Section 1
//MainTimeline (BasketballTribe_cs4_fla.MainTimeline)
package BasketballTribe_cs4_fla {
import flash.events.*;
import flash.display.*;
import flash.geom.*;
import flash.media.*;
import flash.utils.*;
import flash.net.*;
import flash.system.*;
import adobe.utils.*;
import flash.accessibility.*;
import flash.errors.*;
import flash.external.*;
import flash.filters.*;
import flash.printing.*;
import flash.profiler.*;
import flash.sampler.*;
import flash.text.*;
import flash.ui.*;
import flash.xml.*;
public dynamic class MainTimeline extends MovieClip {
public var request:URLRequest;
public var loader:URLLoader;
public var preloader:_Preloader;
public var variables:URLVariables;
public var main:Main;
public var gameLoaded:Boolean;
public function MainTimeline(){
addFrameScript(0, frame1, 1, frame2);
}
function frame1(){
if (loaderInfo.url.substring(0, 4) != "file"){
Security.allowDomain("*");
Security.loadPolicyFile("http://track.g-bot.net/crossdomain.xml");
variables = new URLVariables();
variables.id = "basketballtribe";
variables.ui = loaderInfo.url;
request = new URLRequest("http://track.g-bot.net/track.php");
request.method = "POST";
request.data = variables;
loader = new URLLoader();
loader.load(request);
};
gameLoaded = false;
this.stop();
preloader.stop();
preloader.logo_mc.stop();
preloader.logo_mc.loaderbar.stop();
preloader.addEventListener(Event.ENTER_FRAME, updatePreloader, false, 0, true);
preloader.link_btn.addEventListener(MouseEvent.MOUSE_DOWN, gotoArc, false);
}
public function updatePreloader(e:Event):void{
var perc:Number = ((this.loaderInfo.bytesLoaded / this.loaderInfo.bytesTotal) * 100);
if (perc != 100){
preloader.logo_mc.loaderbar.gotoAndStop(int(perc));
} else {
if (!gameLoaded){
gameLoaded = true;
preloader.logo_mc.play();
};
if (preloader.logo_mc.currentFrame == preloader.logo_mc.totalFrames){
preloader.logo_mc.gotoAndStop(preloader.logo_mc.totalFrames);
preloader.removeEventListener(Event.ENTER_FRAME, updatePreloader, false);
this.gotoAndStop(2);
};
};
}
public function gotoArc(e:MouseEvent):void{
navigateToURL(new URLRequest("http://www.freegamesjungle.com"), "_blank");
}
function frame2(){
main = new Main();
addChild(main);
}
}
}//package BasketballTribe_cs4_fla
Section 2
//Timeline_102 (BasketballTribe_cs4_fla.Timeline_102)
package BasketballTribe_cs4_fla {
import flash.display.*;
public dynamic class Timeline_102 extends MovieClip {
public function Timeline_102(){
addFrameScript(85, frame86);
}
function frame86(){
stop();
}
}
}//package BasketballTribe_cs4_fla
Section 3
//Timeline_28 (BasketballTribe_cs4_fla.Timeline_28)
package BasketballTribe_cs4_fla {
import flash.display.*;
public dynamic class Timeline_28 extends MovieClip {
public function Timeline_28(){
addFrameScript(0, frame1, 10, frame11);
}
function frame1(){
stop();
}
function frame11(){
stop();
}
}
}//package BasketballTribe_cs4_fla
Section 4
//Timeline_36 (BasketballTribe_cs4_fla.Timeline_36)
package BasketballTribe_cs4_fla {
import flash.display.*;
public dynamic class Timeline_36 extends MovieClip {
public function Timeline_36(){
addFrameScript(0, frame1, 10, frame11);
}
function frame1(){
stop();
}
function frame11(){
stop();
}
}
}//package BasketballTribe_cs4_fla
Section 5
//Timeline_52 (BasketballTribe_cs4_fla.Timeline_52)
package BasketballTribe_cs4_fla {
import flash.display.*;
public dynamic class Timeline_52 extends MovieClip {
public function Timeline_52(){
addFrameScript(0, frame1);
}
function frame1(){
stop();
}
}
}//package BasketballTribe_cs4_fla
Section 6
//Timeline_68 (BasketballTribe_cs4_fla.Timeline_68)
package BasketballTribe_cs4_fla {
import flash.display.*;
public dynamic class Timeline_68 extends MovieClip {
public function Timeline_68(){
addFrameScript(9, frame10);
}
function frame10(){
stop();
}
}
}//package BasketballTribe_cs4_fla
Section 7
//Timeline_69 (BasketballTribe_cs4_fla.Timeline_69)
package BasketballTribe_cs4_fla {
import flash.display.*;
public dynamic class Timeline_69 extends MovieClip {
public function Timeline_69(){
addFrameScript(0, frame1);
}
function frame1(){
stop();
}
}
}//package BasketballTribe_cs4_fla
Section 8
//b2CircleDef (Box2D.Collision.Shapes.b2CircleDef)
package Box2D.Collision.Shapes {
import Box2D.Common.Math.*;
public class b2CircleDef extends b2ShapeDef {
public var radius:Number;
public var localPosition:b2Vec2;
public function b2CircleDef(){
localPosition = new b2Vec2(0, 0);
super();
type = b2Shape.e_circleShape;
radius = 1;
}
}
}//package Box2D.Collision.Shapes
Section 9
//b2CircleShape (Box2D.Collision.Shapes.b2CircleShape)
package Box2D.Collision.Shapes {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import Box2D.Common.*;
public class b2CircleShape extends b2Shape {
public var m_localPosition:b2Vec2;
public var m_radius:Number;
public function b2CircleShape(def:b2ShapeDef){
m_localPosition = new b2Vec2();
super(def);
var circleDef:b2CircleDef = (def as b2CircleDef);
m_type = e_circleShape;
m_localPosition.SetV(circleDef.localPosition);
m_radius = circleDef.radius;
}
override public function TestSegment(transform:b2XForm, lambda:Array, normal:b2Vec2, segment:b2Segment, maxLambda:Number):Boolean{
var sY:Number;
var tMat:b2Mat22 = transform.R;
var positionX:Number = (transform.position.x + ((tMat.col1.x * m_localPosition.x) + (tMat.col2.x * m_localPosition.y)));
var positionY:Number = (transform.position.y + ((tMat.col1.y * m_localPosition.x) + (tMat.col2.y * m_localPosition.y)));
var sX:Number = (segment.p1.x - positionX);
sY = (segment.p1.y - positionY);
var b:Number = (((sX * sX) + (sY * sY)) - (m_radius * m_radius));
if (b < 0){
return (false);
};
var rX:Number = (segment.p2.x - segment.p1.x);
var rY:Number = (segment.p2.y - segment.p1.y);
var c:Number = ((sX * rX) + (sY * rY));
var rr:Number = ((rX * rX) + (rY * rY));
var sigma:Number = ((c * c) - (rr * b));
if ((((sigma < 0)) || ((rr < Number.MIN_VALUE)))){
return (false);
};
var a:Number = -((c + Math.sqrt(sigma)));
if ((((0 <= a)) && ((a <= (maxLambda * rr))))){
a = (a / rr);
lambda[0] = a;
normal.x = (sX + (a * rX));
normal.y = (sY + (a * rY));
normal.Normalize();
return (true);
};
return (false);
}
public function GetLocalPosition():b2Vec2{
return (m_localPosition);
}
public function GetRadius():Number{
return (m_radius);
}
override public function ComputeSweptAABB(aabb:b2AABB, transform1:b2XForm, transform2:b2XForm):void{
var tMat:b2Mat22;
tMat = transform1.R;
var p1X:Number = (transform1.position.x + ((tMat.col1.x * m_localPosition.x) + (tMat.col2.x * m_localPosition.y)));
var p1Y:Number = (transform1.position.y + ((tMat.col1.y * m_localPosition.x) + (tMat.col2.y * m_localPosition.y)));
tMat = transform2.R;
var p2X:Number = (transform2.position.x + ((tMat.col1.x * m_localPosition.x) + (tMat.col2.x * m_localPosition.y)));
var p2Y:Number = (transform2.position.y + ((tMat.col1.y * m_localPosition.x) + (tMat.col2.y * m_localPosition.y)));
aabb.lowerBound.Set((((p1X < p2X)) ? p1X : p2X - m_radius), (((p1Y < p2Y)) ? p1Y : p2Y - m_radius));
aabb.upperBound.Set((((p1X > p2X)) ? p1X : p2X + m_radius), (((p1Y > p2Y)) ? p1Y : p2Y + m_radius));
}
override public function ComputeMass(massData:b2MassData):void{
massData.mass = (((m_density * b2Settings.b2_pi) * m_radius) * m_radius);
massData.center.SetV(m_localPosition);
massData.I = (massData.mass * (((0.5 * m_radius) * m_radius) + ((m_localPosition.x * m_localPosition.x) + (m_localPosition.y * m_localPosition.y))));
}
override public function UpdateSweepRadius(center:b2Vec2):void{
var dX:Number = (m_localPosition.x - center.x);
var dY:Number = (m_localPosition.y - center.y);
dX = Math.sqrt(((dX * dX) + (dY * dY)));
m_sweepRadius = ((dX + m_radius) - b2Settings.b2_toiSlop);
}
override public function ComputeAABB(aabb:b2AABB, transform:b2XForm):void{
var tMat:b2Mat22 = transform.R;
var pX:Number = (transform.position.x + ((tMat.col1.x * m_localPosition.x) + (tMat.col2.x * m_localPosition.y)));
var pY:Number = (transform.position.y + ((tMat.col1.y * m_localPosition.x) + (tMat.col2.y * m_localPosition.y)));
aabb.lowerBound.Set((pX - m_radius), (pY - m_radius));
aabb.upperBound.Set((pX + m_radius), (pY + m_radius));
}
override public function TestPoint(transform:b2XForm, p:b2Vec2):Boolean{
var tMat:b2Mat22 = transform.R;
var dX:Number = (transform.position.x + ((tMat.col1.x * m_localPosition.x) + (tMat.col2.x * m_localPosition.y)));
var dY:Number = (transform.position.y + ((tMat.col1.y * m_localPosition.x) + (tMat.col2.y * m_localPosition.y)));
dX = (p.x - dX);
dY = (p.y - dY);
return ((((dX * dX) + (dY * dY)) <= (m_radius * m_radius)));
}
}
}//package Box2D.Collision.Shapes
Section 10
//b2FilterData (Box2D.Collision.Shapes.b2FilterData)
package Box2D.Collision.Shapes {
public class b2FilterData {
public var maskBits:uint;// = 0xFFFF
public var groupIndex:int;// = 0
public var categoryBits:uint;// = 1
public function Copy():b2FilterData{
var copy:b2FilterData = new b2FilterData();
copy.categoryBits = categoryBits;
copy.maskBits = maskBits;
copy.groupIndex = groupIndex;
return (copy);
}
}
}//package Box2D.Collision.Shapes
Section 11
//b2MassData (Box2D.Collision.Shapes.b2MassData)
package Box2D.Collision.Shapes {
import Box2D.Common.Math.*;
public class b2MassData {
public var mass:Number;// = 0
public var center:b2Vec2;
public var I:Number;// = 0
public function b2MassData(){
center = new b2Vec2(0, 0);
super();
}
}
}//package Box2D.Collision.Shapes
Section 12
//b2PolygonDef (Box2D.Collision.Shapes.b2PolygonDef)
package Box2D.Collision.Shapes {
import Box2D.Common.Math.*;
import Box2D.Common.*;
public class b2PolygonDef extends b2ShapeDef {
public var vertices:Array;
public var vertexCount:int;
private static var s_mat:b2Mat22 = new b2Mat22();
public function b2PolygonDef(){
vertices = new Array(b2Settings.b2_maxPolygonVertices);
super();
type = b2Shape.e_polygonShape;
vertexCount = 0;
var i:int;
while (i < b2Settings.b2_maxPolygonVertices) {
vertices[i] = new b2Vec2();
i++;
};
}
public function SetAsOrientedBox(hx:Number, hy:Number, center:b2Vec2=null, angle:Number=0):void{
var xfPosition:b2Vec2;
var xfR:b2Mat22;
var i:int;
vertexCount = 4;
vertices[0].Set(-(hx), -(hy));
vertices[1].Set(hx, -(hy));
vertices[2].Set(hx, hy);
vertices[3].Set(-(hx), hy);
if (center){
xfPosition = center;
xfR = s_mat;
xfR.Set(angle);
i = 0;
while (i < vertexCount) {
center = vertices[i];
hx = (xfPosition.x + ((xfR.col1.x * center.x) + (xfR.col2.x * center.y)));
center.y = (xfPosition.y + ((xfR.col1.y * center.x) + (xfR.col2.y * center.y)));
center.x = hx;
i++;
};
};
}
public function SetAsBox(hx:Number, hy:Number):void{
vertexCount = 4;
vertices[0].Set(-(hx), -(hy));
vertices[1].Set(hx, -(hy));
vertices[2].Set(hx, hy);
vertices[3].Set(-(hx), hy);
}
}
}//package Box2D.Collision.Shapes
Section 13
//b2PolygonShape (Box2D.Collision.Shapes.b2PolygonShape)
package Box2D.Collision.Shapes {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import Box2D.Common.*;
public class b2PolygonShape extends b2Shape {
public var m_coreVertices:Array;
public var m_vertices:Array;
private var s_supportVec:b2Vec2;
public var m_centroid:b2Vec2;
public var m_normals:Array;
public var m_obb:b2OBB;
public var m_vertexCount:int;
private static var s_computeMat:b2Mat22 = new b2Mat22();
private static var s_sweptAABB1:b2AABB = new b2AABB();
private static var s_sweptAABB2:b2AABB = new b2AABB();
public function b2PolygonShape(def:b2ShapeDef){
var i:int;
var edgeX:Number;
var edgeY:Number;
var len:Number;
var n1X:Number;
var n1Y:Number;
var n2X:Number;
var n2Y:Number;
var vX:Number;
var vY:Number;
var dX:Number;
var dY:Number;
var det:Number;
s_supportVec = new b2Vec2();
m_obb = new b2OBB();
m_vertices = new Array(b2Settings.b2_maxPolygonVertices);
m_normals = new Array(b2Settings.b2_maxPolygonVertices);
m_coreVertices = new Array(b2Settings.b2_maxPolygonVertices);
super(def);
m_type = e_polygonShape;
var poly:b2PolygonDef = (def as b2PolygonDef);
m_vertexCount = poly.vertexCount;
var i1:int = i;
var i2:int = i;
i = 0;
while (i < m_vertexCount) {
m_vertices[i] = poly.vertices[i].Copy();
i++;
};
i = 0;
while (i < m_vertexCount) {
i1 = i;
i2 = (((i + 1) < m_vertexCount)) ? (i + 1) : 0;
edgeX = (m_vertices[i2].x - m_vertices[i1].x);
edgeY = (m_vertices[i2].y - m_vertices[i1].y);
len = Math.sqrt(((edgeX * edgeX) + (edgeY * edgeY)));
m_normals[i] = new b2Vec2((edgeY / len), (-(edgeX) / len));
i++;
};
m_centroid = ComputeCentroid(poly.vertices, poly.vertexCount);
ComputeOBB(m_obb, m_vertices, m_vertexCount);
i = 0;
while (i < m_vertexCount) {
i1 = (((i - 1) >= 0)) ? (i - 1) : (m_vertexCount - 1);
i2 = i;
n1X = m_normals[i1].x;
n1Y = m_normals[i1].y;
n2X = m_normals[i2].x;
n2Y = m_normals[i2].y;
vX = (m_vertices[i].x - m_centroid.x);
vY = (m_vertices[i].y - m_centroid.y);
dX = (((n1X * vX) + (n1Y * vY)) - b2Settings.b2_toiSlop);
dY = (((n2X * vX) + (n2Y * vY)) - b2Settings.b2_toiSlop);
det = (1 / ((n1X * n2Y) - (n1Y * n2X)));
m_coreVertices[i] = new b2Vec2(((det * ((n2Y * dX) - (n1Y * dY))) + m_centroid.x), ((det * ((n1X * dY) - (n2X * dX))) + m_centroid.y));
i++;
};
}
override public function ComputeSweptAABB(aabb:b2AABB, transform1:b2XForm, transform2:b2XForm):void{
var aabb1:b2AABB = s_sweptAABB1;
var aabb2:b2AABB = s_sweptAABB2;
ComputeAABB(aabb1, transform1);
ComputeAABB(aabb2, transform2);
aabb.lowerBound.Set(((aabb1.lowerBound.x < aabb2.lowerBound.x)) ? aabb1.lowerBound.x : aabb2.lowerBound.x, ((aabb1.lowerBound.y < aabb2.lowerBound.y)) ? aabb1.lowerBound.y : aabb2.lowerBound.y);
aabb.upperBound.Set(((aabb1.upperBound.x > aabb2.upperBound.x)) ? aabb1.upperBound.x : aabb2.upperBound.x, ((aabb1.upperBound.y > aabb2.upperBound.y)) ? aabb1.upperBound.y : aabb2.upperBound.y);
}
public function GetVertices():Array{
return (m_vertices);
}
public function GetCoreVertices():Array{
return (m_coreVertices);
}
public function GetCentroid():b2Vec2{
return (m_centroid);
}
public function GetOBB():b2OBB{
return (m_obb);
}
public function GetFirstVertex(xf:b2XForm):b2Vec2{
return (b2Math.b2MulX(xf, m_coreVertices[0]));
}
public function Centroid(xf:b2XForm):b2Vec2{
return (b2Math.b2MulX(xf, m_centroid));
}
override public function TestSegment(xf:b2XForm, lambda:Array, normal:b2Vec2, segment:b2Segment, maxLambda:Number):Boolean{
var tX:Number;
var tY:Number;
var tMat:b2Mat22;
var tVec:b2Vec2;
var numerator:Number;
var denominator:Number;
var lower:Number = 0;
var upper:Number = maxLambda;
tX = (segment.p1.x - xf.position.x);
tY = (segment.p1.y - xf.position.y);
tMat = xf.R;
var p1X:Number = ((tX * tMat.col1.x) + (tY * tMat.col1.y));
var p1Y:Number = ((tX * tMat.col2.x) + (tY * tMat.col2.y));
tX = (segment.p2.x - xf.position.x);
tY = (segment.p2.y - xf.position.y);
tMat = xf.R;
var p2X:Number = ((tX * tMat.col1.x) + (tY * tMat.col1.y));
var p2Y:Number = ((tX * tMat.col2.x) + (tY * tMat.col2.y));
var dX:Number = (p2X - p1X);
var dY:Number = (p2Y - p1Y);
var index = -1;
var i:int;
while (i < m_vertexCount) {
tVec = m_vertices[i];
tX = (tVec.x - p1X);
tY = (tVec.y - p1Y);
tVec = m_normals[i];
numerator = ((tVec.x * tX) + (tVec.y * tY));
denominator = ((tVec.x * dX) + (tVec.y * dY));
if ((((denominator < 0)) && ((numerator < (lower * denominator))))){
lower = (numerator / denominator);
index = i;
} else {
if ((((denominator > 0)) && ((numerator < (upper * denominator))))){
upper = (numerator / denominator);
};
};
if (upper < lower){
return (false);
};
i++;
};
if (index >= 0){
lambda[0] = lower;
tMat = xf.R;
tVec = m_normals[index];
normal.x = ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y));
normal.y = ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y));
return (true);
};
return (false);
}
override public function ComputeMass(massData:b2MassData):void{
var p2:b2Vec2;
var p3:b2Vec2;
var e1X:Number;
var e1Y:Number;
var e2X:Number;
var e2Y:Number;
var D:Number;
var triangleArea:Number;
var px:Number;
var py:Number;
var ex1:Number;
var ey1:Number;
var ex2:Number;
var ey2:Number;
var intx2:Number;
var inty2:Number;
var centerX:Number = 0;
var centerY:Number = 0;
var area:Number = 0;
var I:Number = 0;
var p1X:Number = 0;
var p1Y:Number = 0;
var k_inv3:Number = (1 / 3);
var i:int;
while (i < m_vertexCount) {
p2 = m_vertices[i];
p3 = (((i + 1) < m_vertexCount)) ? m_vertices[int((i + 1))] : m_vertices[0];
e1X = (p2.x - p1X);
e1Y = (p2.y - p1Y);
e2X = (p3.x - p1X);
e2Y = (p3.y - p1Y);
D = ((e1X * e2Y) - (e1Y * e2X));
triangleArea = (0.5 * D);
area = (area + triangleArea);
centerX = (centerX + ((triangleArea * k_inv3) * ((p1X + p2.x) + p3.x)));
centerY = (centerY + ((triangleArea * k_inv3) * ((p1Y + p2.y) + p3.y)));
px = p1X;
py = p1Y;
ex1 = e1X;
ey1 = e1Y;
ex2 = e2X;
ey2 = e2Y;
intx2 = ((k_inv3 * ((0.25 * (((ex1 * ex1) + (ex2 * ex1)) + (ex2 * ex2))) + ((px * ex1) + (px * ex2)))) + ((0.5 * px) * px));
inty2 = ((k_inv3 * ((0.25 * (((ey1 * ey1) + (ey2 * ey1)) + (ey2 * ey2))) + ((py * ey1) + (py * ey2)))) + ((0.5 * py) * py));
I = (I + (D * (intx2 + inty2)));
i++;
};
massData.mass = (m_density * area);
centerX = (centerX * (1 / area));
centerY = (centerY * (1 / area));
massData.center.Set(centerX, centerY);
massData.I = (m_density * I);
}
public function GetNormals():Array{
return (m_normals);
}
public function Support(xf:b2XForm, dX:Number, dY:Number):b2Vec2{
var tVec:b2Vec2;
var tMat:b2Mat22;
var value:Number;
tMat = xf.R;
var dLocalX:Number = ((dX * tMat.col1.x) + (dY * tMat.col1.y));
var dLocalY:Number = ((dX * tMat.col2.x) + (dY * tMat.col2.y));
var bestIndex:int;
tVec = m_coreVertices[0];
var bestValue:Number = ((tVec.x * dLocalX) + (tVec.y * dLocalY));
var i = 1;
while (i < m_vertexCount) {
tVec = m_coreVertices[i];
value = ((tVec.x * dLocalX) + (tVec.y * dLocalY));
if (value > bestValue){
bestIndex = i;
bestValue = value;
};
i++;
};
tMat = xf.R;
tVec = m_coreVertices[bestIndex];
s_supportVec.x = (xf.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
s_supportVec.y = (xf.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
return (s_supportVec);
}
public function GetVertexCount():int{
return (m_vertexCount);
}
override public function ComputeAABB(aabb:b2AABB, xf:b2XForm):void{
var tMat:b2Mat22;
var tVec:b2Vec2;
var R:b2Mat22 = s_computeMat;
tMat = xf.R;
tVec = m_obb.R.col1;
R.col1.x = ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y));
R.col1.y = ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y));
tVec = m_obb.R.col2;
R.col2.x = ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y));
R.col2.y = ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y));
R.Abs();
var absR:b2Mat22 = R;
tVec = m_obb.extents;
var hX:Number = ((absR.col1.x * tVec.x) + (absR.col2.x * tVec.y));
var hY:Number = ((absR.col1.y * tVec.x) + (absR.col2.y * tVec.y));
tMat = xf.R;
tVec = m_obb.center;
var positionX:Number = (xf.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
var positionY:Number = (xf.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
aabb.lowerBound.Set((positionX - hX), (positionY - hY));
aabb.upperBound.Set((positionX + hX), (positionY + hY));
}
override public function UpdateSweepRadius(center:b2Vec2):void{
var tVec:b2Vec2;
var dX:Number;
var dY:Number;
m_sweepRadius = 0;
var i:int;
while (i < m_vertexCount) {
tVec = m_coreVertices[i];
dX = (tVec.x - center.x);
dY = (tVec.y - center.y);
dX = Math.sqrt(((dX * dX) + (dY * dY)));
if (dX > m_sweepRadius){
m_sweepRadius = dX;
};
i++;
};
}
override public function TestPoint(xf:b2XForm, p:b2Vec2):Boolean{
var tVec:b2Vec2;
var dot:Number;
var tMat:b2Mat22 = xf.R;
var tX:Number = (p.x - xf.position.x);
var tY:Number = (p.y - xf.position.y);
var pLocalX:Number = ((tX * tMat.col1.x) + (tY * tMat.col1.y));
var pLocalY:Number = ((tX * tMat.col2.x) + (tY * tMat.col2.y));
var i:int;
while (i < m_vertexCount) {
tVec = m_vertices[i];
tX = (pLocalX - tVec.x);
tY = (pLocalY - tVec.y);
tVec = m_normals[i];
dot = ((tVec.x * tX) + (tVec.y * tY));
if (dot > 0){
return (false);
};
i++;
};
return (true);
}
public static function ComputeCentroid(vs:Array, count:int):b2Vec2{
var c:b2Vec2;
var inv3:Number;
var p2:b2Vec2;
var p3:b2Vec2;
var e1X:Number;
var e1Y:Number;
var e2X:Number;
var e2Y:Number;
var D:Number;
var triangleArea:Number;
c = new b2Vec2();
var area:Number = 0;
var p1X:Number = 0;
var p1Y:Number = 0;
inv3 = (1 / 3);
var i:int;
while (i < count) {
p2 = vs[i];
p3 = (((i + 1) < count)) ? vs[int((i + 1))] : vs[0];
e1X = (p2.x - p1X);
e1Y = (p2.y - p1Y);
e2X = (p3.x - p1X);
e2Y = (p3.y - p1Y);
D = ((e1X * e2Y) - (e1Y * e2X));
triangleArea = (0.5 * D);
area = (area + triangleArea);
c.x = (c.x + ((triangleArea * inv3) * ((p1X + p2.x) + p3.x)));
c.y = (c.y + ((triangleArea * inv3) * ((p1Y + p2.y) + p3.y)));
i++;
};
c.x = (c.x * (1 / area));
c.y = (c.y * (1 / area));
return (c);
}
public static function ComputeOBB(obb:b2OBB, vs:Array, count:int):void{
var i:int;
var root:b2Vec2;
var uxX:Number;
var uxY:Number;
var length:Number;
var uyX:Number;
var uyY:Number;
var lowerX:Number;
var lowerY:Number;
var upperX:Number;
var upperY:Number;
var j:int;
var area:Number;
var dX:Number;
var dY:Number;
var rX:Number;
var rY:Number;
var centerX:Number;
var centerY:Number;
var tMat:b2Mat22;
var p:Array = new Array((b2Settings.b2_maxPolygonVertices + 1));
i = 0;
while (i < count) {
p[i] = vs[i];
i++;
};
p[count] = p[0];
var minArea:Number = Number.MAX_VALUE;
i = 1;
while (i <= count) {
root = p[int((i - 1))];
uxX = (p[i].x - root.x);
uxY = (p[i].y - root.y);
length = Math.sqrt(((uxX * uxX) + (uxY * uxY)));
uxX = (uxX / length);
uxY = (uxY / length);
uyX = -(uxY);
uyY = uxX;
lowerX = Number.MAX_VALUE;
lowerY = Number.MAX_VALUE;
upperX = -(Number.MAX_VALUE);
upperY = -(Number.MAX_VALUE);
j = 0;
while (j < count) {
dX = (p[j].x - root.x);
dY = (p[j].y - root.y);
rX = ((uxX * dX) + (uxY * dY));
rY = ((uyX * dX) + (uyY * dY));
if (rX < lowerX){
lowerX = rX;
};
if (rY < lowerY){
lowerY = rY;
};
if (rX > upperX){
upperX = rX;
};
if (rY > upperY){
upperY = rY;
};
j++;
};
area = ((upperX - lowerX) * (upperY - lowerY));
if (area < (0.95 * minArea)){
minArea = area;
obb.R.col1.x = uxX;
obb.R.col1.y = uxY;
obb.R.col2.x = uyX;
obb.R.col2.y = uyY;
centerX = (0.5 * (lowerX + upperX));
centerY = (0.5 * (lowerY + upperY));
tMat = obb.R;
obb.center.x = (root.x + ((tMat.col1.x * centerX) + (tMat.col2.x * centerY)));
obb.center.y = (root.y + ((tMat.col1.y * centerX) + (tMat.col2.y * centerY)));
obb.extents.x = (0.5 * (upperX - lowerX));
obb.extents.y = (0.5 * (upperY - lowerY));
};
i++;
};
}
}
}//package Box2D.Collision.Shapes
Section 14
//b2Shape (Box2D.Collision.Shapes.b2Shape)
package Box2D.Collision.Shapes {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Collision.*;
public class b2Shape {
public var m_next:b2Shape;
public var m_type:int;
public var m_sweepRadius:Number;
public var m_density:Number;
public var m_filter:b2FilterData;
public var m_friction:Number;
public var m_isSensor:Boolean;
public var m_restitution:Number;
public var m_userData;
public var m_proxyId:uint;
public var m_body:b2Body;
public static const e_polygonShape:int = 1;
public static const e_unknownShape:int = -1;
public static const e_circleShape:int = 0;
public static const e_shapeTypeCount:int = 2;
private static var s_resetAABB:b2AABB = new b2AABB();
private static var s_syncAABB:b2AABB = new b2AABB();
private static var s_proxyAABB:b2AABB = new b2AABB();
public function b2Shape(def:b2ShapeDef){
super();
m_userData = def.userData;
m_friction = def.friction;
m_restitution = def.restitution;
m_density = def.density;
m_body = null;
m_sweepRadius = 0;
m_next = null;
m_proxyId = b2Pair.b2_nullProxy;
m_filter = def.filter.Copy();
m_isSensor = def.isSensor;
}
public function SetUserData(data):void{
m_userData = data;
}
public function GetSweepRadius():Number{
return (m_sweepRadius);
}
public function GetNext():b2Shape{
return (m_next);
}
public function ComputeSweptAABB(aabb:b2AABB, xf1:b2XForm, xf2:b2XForm):void{
}
public function GetType():int{
return (m_type);
}
public function GetRestitution():Number{
return (m_restitution);
}
public function GetFriction():Number{
return (m_friction);
}
public function GetFilterData():b2FilterData{
return (m_filter.Copy());
}
public function TestSegment(xf:b2XForm, lambda:Array, normal:b2Vec2, segment:b2Segment, maxLambda:Number):Boolean{
return (false);
}
public function RefilterProxy(broadPhase:b2BroadPhase, transform:b2XForm):void{
if (m_proxyId == b2Pair.b2_nullProxy){
return;
};
broadPhase.DestroyProxy(m_proxyId);
var aabb:b2AABB = s_resetAABB;
ComputeAABB(aabb, transform);
var inRange:Boolean = broadPhase.InRange(aabb);
if (inRange){
m_proxyId = broadPhase.CreateProxy(aabb, this);
} else {
m_proxyId = b2Pair.b2_nullProxy;
};
}
public function SetFilterData(filter:b2FilterData):void{
m_filter = filter.Copy();
}
public function GetUserData(){
return (m_userData);
}
public function Synchronize(broadPhase:b2BroadPhase, transform1:b2XForm, transform2:b2XForm):Boolean{
if (m_proxyId == b2Pair.b2_nullProxy){
return (false);
};
var aabb:b2AABB = s_syncAABB;
ComputeSweptAABB(aabb, transform1, transform2);
if (broadPhase.InRange(aabb)){
broadPhase.MoveProxy(m_proxyId, aabb);
return (true);
};
return (false);
}
public function ComputeMass(massData:b2MassData):void{
}
public function IsSensor():Boolean{
return (m_isSensor);
}
public function DestroyProxy(broadPhase:b2BroadPhase):void{
if (m_proxyId != b2Pair.b2_nullProxy){
broadPhase.DestroyProxy(m_proxyId);
m_proxyId = b2Pair.b2_nullProxy;
};
}
public function UpdateSweepRadius(center:b2Vec2):void{
}
public function ComputeAABB(aabb:b2AABB, xf:b2XForm):void{
}
public function GetBody():b2Body{
return (m_body);
}
public function CreateProxy(broadPhase:b2BroadPhase, transform:b2XForm):void{
var aabb:b2AABB = s_proxyAABB;
ComputeAABB(aabb, transform);
var inRange:Boolean = broadPhase.InRange(aabb);
if (inRange){
m_proxyId = broadPhase.CreateProxy(aabb, this);
} else {
m_proxyId = b2Pair.b2_nullProxy;
};
}
public function TestPoint(xf:b2XForm, p:b2Vec2):Boolean{
return (false);
}
public static function Destroy(shape:b2Shape, allocator):void{
}
public static function Create(def:b2ShapeDef, allocator):b2Shape{
switch (def.type){
case e_circleShape:
return (new b2CircleShape(def));
case e_polygonShape:
return (new b2PolygonShape(def));
default:
return (null);
};
}
}
}//package Box2D.Collision.Shapes
Section 15
//b2ShapeDef (Box2D.Collision.Shapes.b2ShapeDef)
package Box2D.Collision.Shapes {
public class b2ShapeDef {
public var friction:Number;// = 0.2
public var isSensor:Boolean;// = false
public var density:Number;// = 0
public var restitution:Number;// = 0
public var userData;// = null
public var filter:b2FilterData;
public var type:int;// = -1
public function b2ShapeDef(){
filter = new b2FilterData();
super();
}
}
}//package Box2D.Collision.Shapes
Section 16
//b2AABB (Box2D.Collision.b2AABB)
package Box2D.Collision {
import Box2D.Common.Math.*;
public class b2AABB {
public var upperBound:b2Vec2;
public var lowerBound:b2Vec2;
public function b2AABB(){
lowerBound = new b2Vec2();
upperBound = new b2Vec2();
super();
}
public function IsValid():Boolean{
var dX:Number = (upperBound.x - lowerBound.x);
var dY:Number = (upperBound.y - lowerBound.y);
var valid:Boolean = (((dX >= 0)) && ((dY >= 0)));
valid = ((((valid) && (lowerBound.IsValid()))) && (upperBound.IsValid()));
return (valid);
}
}
}//package Box2D.Collision
Section 17
//b2Bound (Box2D.Collision.b2Bound)
package Box2D.Collision {
public class b2Bound {
public var value:uint;
public var proxyId:uint;
public var stabbingCount:uint;
public function Swap(b:b2Bound):void{
var tempValue:uint = value;
var tempProxyId:uint = proxyId;
var tempStabbingCount:uint = stabbingCount;
value = b.value;
proxyId = b.proxyId;
stabbingCount = b.stabbingCount;
b.value = tempValue;
b.proxyId = tempProxyId;
b.stabbingCount = tempStabbingCount;
}
public function IsLower():Boolean{
return (((value & 1) == 0));
}
public function IsUpper():Boolean{
return (((value & 1) == 1));
}
}
}//package Box2D.Collision
Section 18
//b2BoundValues (Box2D.Collision.b2BoundValues)
package Box2D.Collision {
public class b2BoundValues {
public var lowerValues:Array;
public var upperValues:Array;
public function b2BoundValues(){
lowerValues = [0, 0];
upperValues = [0, 0];
super();
}
}
}//package Box2D.Collision
Section 19
//b2BroadPhase (Box2D.Collision.b2BroadPhase)
package Box2D.Collision {
import Box2D.Common.Math.*;
import Box2D.Common.*;
public class b2BroadPhase {
public var m_bounds:Array;
public var m_quantizationFactor:b2Vec2;
public var m_worldAABB:b2AABB;
public var m_freeProxy:uint;
public var m_proxyCount:int;
public var m_proxyPool:Array;
public var m_queryResultCount:int;
public var m_pairManager:b2PairManager;
public var m_timeStamp:uint;
public var m_queryResults:Array;
public static const b2_nullEdge:uint = b2Settings.USHRT_MAX;
public static const b2_invalid:uint = b2Settings.USHRT_MAX;
public static var s_validate:Boolean = false;
public function b2BroadPhase(worldAABB:b2AABB, callback:b2PairCallback){
var i:int;
var dY:Number;
var tProxy:b2Proxy;
var j:int;
m_pairManager = new b2PairManager();
m_proxyPool = new Array(b2Settings.b2_maxPairs);
m_bounds = new Array((2 * b2Settings.b2_maxProxies));
m_queryResults = new Array(b2Settings.b2_maxProxies);
m_quantizationFactor = new b2Vec2();
super();
m_pairManager.Initialize(this, callback);
m_worldAABB = worldAABB;
m_proxyCount = 0;
i = 0;
while (i < b2Settings.b2_maxProxies) {
m_queryResults[i] = 0;
i++;
};
m_bounds = new Array(2);
i = 0;
while (i < 2) {
m_bounds[i] = new Array((2 * b2Settings.b2_maxProxies));
j = 0;
while (j < (2 * b2Settings.b2_maxProxies)) {
m_bounds[i][j] = new b2Bound();
j++;
};
i++;
};
var dX:Number = (worldAABB.upperBound.x - worldAABB.lowerBound.x);
dY = (worldAABB.upperBound.y - worldAABB.lowerBound.y);
m_quantizationFactor.x = (b2Settings.USHRT_MAX / dX);
m_quantizationFactor.y = (b2Settings.USHRT_MAX / dY);
i = 0;
while (i < (b2Settings.b2_maxProxies - 1)) {
tProxy = new b2Proxy();
m_proxyPool[i] = tProxy;
tProxy.SetNext((i + 1));
tProxy.timeStamp = 0;
tProxy.overlapCount = b2_invalid;
tProxy.userData = null;
i++;
};
tProxy = new b2Proxy();
m_proxyPool[int((b2Settings.b2_maxProxies - 1))] = tProxy;
tProxy.SetNext(b2Pair.b2_nullProxy);
tProxy.timeStamp = 0;
tProxy.overlapCount = b2_invalid;
tProxy.userData = null;
m_freeProxy = 0;
m_timeStamp = 1;
m_queryResultCount = 0;
}
public function QueryAABB(aabb:b2AABB, userData, maxCount:int):int{
var lowerIndex:uint;
var upperIndex:uint;
var proxy:b2Proxy;
var lowerValues:Array = new Array();
var upperValues:Array = new Array();
ComputeBounds(lowerValues, upperValues, aabb);
var lowerIndexOut:Array = [lowerIndex];
var upperIndexOut:Array = [upperIndex];
Query(lowerIndexOut, upperIndexOut, lowerValues[0], upperValues[0], m_bounds[0], (2 * m_proxyCount), 0);
Query(lowerIndexOut, upperIndexOut, lowerValues[1], upperValues[1], m_bounds[1], (2 * m_proxyCount), 1);
var count:int;
var i:int;
while ((((i < m_queryResultCount)) && ((count < maxCount)))) {
proxy = m_proxyPool[m_queryResults[i]];
userData[i] = proxy.userData;
i++;
count++;
};
m_queryResultCount = 0;
IncrementTimeStamp();
return (count);
}
public function Commit():void{
m_pairManager.Commit();
}
public function GetProxy(proxyId:int):b2Proxy{
var proxy:b2Proxy = m_proxyPool[proxyId];
if ((((proxyId == b2Pair.b2_nullProxy)) || ((proxy.IsValid() == false)))){
return (null);
};
return (proxy);
}
private function IncrementTimeStamp():void{
var i:uint;
if (m_timeStamp == b2Settings.USHRT_MAX){
i = 0;
while (i < b2Settings.b2_maxProxies) {
(m_proxyPool[i] as b2Proxy).timeStamp = 0;
i++;
};
m_timeStamp = 1;
} else {
m_timeStamp++;
};
}
private function Query(lowerQueryOut:Array, upperQueryOut:Array, lowerValue:uint, upperValue:uint, bounds:Array, boundCount:uint, axis:int):void{
var bound:b2Bound;
var i:int;
var s:int;
var proxy:b2Proxy;
var lowerQuery:uint = BinarySearch(bounds, boundCount, lowerValue);
var upperQuery:uint = BinarySearch(bounds, boundCount, upperValue);
var j:uint = lowerQuery;
while (j < upperQuery) {
bound = bounds[j];
if (bound.IsLower()){
IncrementOverlapCount(bound.proxyId);
};
j++;
};
if (lowerQuery > 0){
i = (lowerQuery - 1);
bound = bounds[i];
s = bound.stabbingCount;
while (s) {
bound = bounds[i];
if (bound.IsLower()){
proxy = m_proxyPool[bound.proxyId];
if (lowerQuery <= proxy.upperBounds[axis]){
IncrementOverlapCount(bound.proxyId);
s--;
};
};
i--;
};
};
lowerQueryOut[0] = lowerQuery;
upperQueryOut[0] = upperQuery;
}
private function TestOverlapValidate(p1:b2Proxy, p2:b2Proxy):Boolean{
var bounds:Array;
var bound1:b2Bound;
var bound2:b2Bound;
var axis:int;
while (axis < 2) {
bounds = m_bounds[axis];
bound1 = bounds[p1.lowerBounds[axis]];
bound2 = bounds[p2.upperBounds[axis]];
if (bound1.value > bound2.value){
return (false);
};
bound1 = bounds[p1.upperBounds[axis]];
bound2 = bounds[p2.lowerBounds[axis]];
if (bound1.value < bound2.value){
return (false);
};
axis++;
};
return (true);
}
private function ComputeBounds(lowerValues:Array, upperValues:Array, aabb:b2AABB):void{
var minVertexX:Number = aabb.lowerBound.x;
var minVertexY:Number = aabb.lowerBound.y;
minVertexX = b2Math.b2Min(minVertexX, m_worldAABB.upperBound.x);
minVertexY = b2Math.b2Min(minVertexY, m_worldAABB.upperBound.y);
minVertexX = b2Math.b2Max(minVertexX, m_worldAABB.lowerBound.x);
minVertexY = b2Math.b2Max(minVertexY, m_worldAABB.lowerBound.y);
var maxVertexX:Number = aabb.upperBound.x;
var maxVertexY:Number = aabb.upperBound.y;
maxVertexX = b2Math.b2Min(maxVertexX, m_worldAABB.upperBound.x);
maxVertexY = b2Math.b2Min(maxVertexY, m_worldAABB.upperBound.y);
maxVertexX = b2Math.b2Max(maxVertexX, m_worldAABB.lowerBound.x);
maxVertexY = b2Math.b2Max(maxVertexY, m_worldAABB.lowerBound.y);
lowerValues[0] = (uint((m_quantizationFactor.x * (minVertexX - m_worldAABB.lowerBound.x))) & (b2Settings.USHRT_MAX - 1));
upperValues[0] = ((uint((m_quantizationFactor.x * (maxVertexX - m_worldAABB.lowerBound.x))) & 0xFFFF) | 1);
lowerValues[1] = (uint((m_quantizationFactor.y * (minVertexY - m_worldAABB.lowerBound.y))) & (b2Settings.USHRT_MAX - 1));
upperValues[1] = ((uint((m_quantizationFactor.y * (maxVertexY - m_worldAABB.lowerBound.y))) & 0xFFFF) | 1);
}
public function CreateProxy(aabb:b2AABB, userData):uint{
var index:uint;
var proxy:b2Proxy;
var bounds:Array;
var lowerIndex:uint;
var upperIndex:uint;
var lowerIndexOut:Array;
var upperIndexOut:Array;
var tArr:Array;
var j:int;
var tEnd:int;
var tBound1:b2Bound;
var tBound2:b2Bound;
var tBoundAS3:b2Bound;
var tIndex:int;
var proxy2:b2Proxy;
var proxyId:uint = m_freeProxy;
proxy = m_proxyPool[proxyId];
m_freeProxy = proxy.GetNext();
proxy.overlapCount = 0;
proxy.userData = userData;
var boundCount:uint = (2 * m_proxyCount);
var lowerValues:Array = new Array();
var upperValues:Array = new Array();
ComputeBounds(lowerValues, upperValues, aabb);
var axis:int;
while (axis < 2) {
bounds = m_bounds[axis];
lowerIndexOut = [lowerIndex];
upperIndexOut = [upperIndex];
Query(lowerIndexOut, upperIndexOut, lowerValues[axis], upperValues[axis], bounds, boundCount, axis);
lowerIndex = lowerIndexOut[0];
upperIndex = upperIndexOut[0];
tArr = new Array();
tEnd = (boundCount - upperIndex);
j = 0;
while (j < tEnd) {
tArr[j] = new b2Bound();
tBound1 = tArr[j];
tBound2 = bounds[int((upperIndex + j))];
tBound1.value = tBound2.value;
tBound1.proxyId = tBound2.proxyId;
tBound1.stabbingCount = tBound2.stabbingCount;
j++;
};
tEnd = tArr.length;
tIndex = (upperIndex + 2);
j = 0;
while (j < tEnd) {
tBound2 = tArr[j];
tBound1 = bounds[int((tIndex + j))];
tBound1.value = tBound2.value;
tBound1.proxyId = tBound2.proxyId;
tBound1.stabbingCount = tBound2.stabbingCount;
j++;
};
tArr = new Array();
tEnd = (upperIndex - lowerIndex);
j = 0;
while (j < tEnd) {
tArr[j] = new b2Bound();
tBound1 = tArr[j];
tBound2 = bounds[int((lowerIndex + j))];
tBound1.value = tBound2.value;
tBound1.proxyId = tBound2.proxyId;
tBound1.stabbingCount = tBound2.stabbingCount;
j++;
};
tEnd = tArr.length;
tIndex = (lowerIndex + 1);
j = 0;
while (j < tEnd) {
tBound2 = tArr[j];
tBound1 = bounds[int((tIndex + j))];
tBound1.value = tBound2.value;
tBound1.proxyId = tBound2.proxyId;
tBound1.stabbingCount = tBound2.stabbingCount;
j++;
};
upperIndex++;
tBound1 = bounds[lowerIndex];
tBound2 = bounds[upperIndex];
tBound1.value = lowerValues[axis];
tBound1.proxyId = proxyId;
tBound2.value = upperValues[axis];
tBound2.proxyId = proxyId;
tBoundAS3 = bounds[int((lowerIndex - 1))];
tBound1.stabbingCount = ((lowerIndex == 0)) ? 0 : tBoundAS3.stabbingCount;
tBoundAS3 = bounds[int((upperIndex - 1))];
tBound2.stabbingCount = tBoundAS3.stabbingCount;
index = lowerIndex;
while (index < upperIndex) {
tBoundAS3 = bounds[index];
tBoundAS3.stabbingCount++;
index++;
};
index = lowerIndex;
while (index < (boundCount + 2)) {
tBound1 = bounds[index];
proxy2 = m_proxyPool[tBound1.proxyId];
if (tBound1.IsLower()){
proxy2.lowerBounds[axis] = index;
} else {
proxy2.upperBounds[axis] = index;
};
index++;
};
axis++;
};
m_proxyCount++;
var i:int;
while (i < m_queryResultCount) {
m_pairManager.AddBufferedPair(proxyId, m_queryResults[i]);
i++;
};
m_pairManager.Commit();
m_queryResultCount = 0;
IncrementTimeStamp();
return (proxyId);
}
public function DestroyProxy(proxyId:uint):void{
var tBound1:b2Bound;
var tBound2:b2Bound;
var bounds:Array;
var lowerIndex:uint;
var upperIndex:uint;
var lowerValue:uint;
var upperValue:uint;
var tArr:Array;
var j:int;
var tEnd:int;
var tIndex:int;
var index:uint;
var index2:int;
var proxy2:b2Proxy;
var proxy:b2Proxy = m_proxyPool[proxyId];
var boundCount:int = (2 * m_proxyCount);
var axis:int;
while (axis < 2) {
bounds = m_bounds[axis];
lowerIndex = proxy.lowerBounds[axis];
upperIndex = proxy.upperBounds[axis];
tBound1 = bounds[lowerIndex];
lowerValue = tBound1.value;
tBound2 = bounds[upperIndex];
upperValue = tBound2.value;
tArr = new Array();
tEnd = ((upperIndex - lowerIndex) - 1);
j = 0;
while (j < tEnd) {
tArr[j] = new b2Bound();
tBound1 = tArr[j];
tBound2 = bounds[int(((lowerIndex + 1) + j))];
tBound1.value = tBound2.value;
tBound1.proxyId = tBound2.proxyId;
tBound1.stabbingCount = tBound2.stabbingCount;
j++;
};
tEnd = tArr.length;
tIndex = lowerIndex;
j = 0;
while (j < tEnd) {
tBound2 = tArr[j];
tBound1 = bounds[int((tIndex + j))];
tBound1.value = tBound2.value;
tBound1.proxyId = tBound2.proxyId;
tBound1.stabbingCount = tBound2.stabbingCount;
j++;
};
tArr = new Array();
tEnd = ((boundCount - upperIndex) - 1);
j = 0;
while (j < tEnd) {
tArr[j] = new b2Bound();
tBound1 = tArr[j];
tBound2 = bounds[int(((upperIndex + 1) + j))];
tBound1.value = tBound2.value;
tBound1.proxyId = tBound2.proxyId;
tBound1.stabbingCount = tBound2.stabbingCount;
j++;
};
tEnd = tArr.length;
tIndex = (upperIndex - 1);
j = 0;
while (j < tEnd) {
tBound2 = tArr[j];
tBound1 = bounds[int((tIndex + j))];
tBound1.value = tBound2.value;
tBound1.proxyId = tBound2.proxyId;
tBound1.stabbingCount = tBound2.stabbingCount;
j++;
};
tEnd = (boundCount - 2);
index = lowerIndex;
while (index < tEnd) {
tBound1 = bounds[index];
proxy2 = m_proxyPool[tBound1.proxyId];
if (tBound1.IsLower()){
proxy2.lowerBounds[axis] = index;
} else {
proxy2.upperBounds[axis] = index;
};
index++;
};
tEnd = (upperIndex - 1);
index2 = lowerIndex;
while (index2 < tEnd) {
tBound1 = bounds[index2];
tBound1.stabbingCount--;
index2++;
};
Query([0], [0], lowerValue, upperValue, bounds, (boundCount - 2), axis);
axis++;
};
var i:int;
while (i < m_queryResultCount) {
m_pairManager.RemoveBufferedPair(proxyId, m_queryResults[i]);
i++;
};
m_pairManager.Commit();
m_queryResultCount = 0;
IncrementTimeStamp();
proxy.userData = null;
proxy.overlapCount = b2_invalid;
proxy.lowerBounds[0] = b2_invalid;
proxy.lowerBounds[1] = b2_invalid;
proxy.upperBounds[0] = b2_invalid;
proxy.upperBounds[1] = b2_invalid;
proxy.SetNext(m_freeProxy);
m_freeProxy = proxyId;
m_proxyCount--;
}
public function TestOverlap(b:b2BoundValues, p:b2Proxy):Boolean{
var bounds:Array;
var bound:b2Bound;
var axis:int;
while (axis < 2) {
bounds = m_bounds[axis];
bound = bounds[p.upperBounds[axis]];
if (b.lowerValues[axis] > bound.value){
return (false);
};
bound = bounds[p.lowerBounds[axis]];
if (b.upperValues[axis] < bound.value){
return (false);
};
axis++;
};
return (true);
}
public function Validate():void{
var pair:b2Pair;
var proxy1:b2Proxy;
var proxy2:b2Proxy;
var overlap:Boolean;
var bounds:b2Bound;
var boundCount:uint;
var stabbingCount:uint;
var i:uint;
var bound:b2Bound;
var axis:int;
while (axis < 2) {
bounds = m_bounds[axis];
boundCount = (2 * m_proxyCount);
stabbingCount = 0;
i = 0;
while (i < boundCount) {
bound = bounds[i];
if (bound.IsLower() == true){
stabbingCount++;
} else {
stabbingCount--;
};
i++;
};
axis++;
};
}
private function IncrementOverlapCount(proxyId:uint):void{
var proxy:b2Proxy = m_proxyPool[proxyId];
if (proxy.timeStamp < m_timeStamp){
proxy.timeStamp = m_timeStamp;
proxy.overlapCount = 1;
} else {
proxy.overlapCount = 2;
m_queryResults[m_queryResultCount] = proxyId;
m_queryResultCount++;
};
}
public function InRange(aabb:b2AABB):Boolean{
var dX:Number;
var dY:Number;
var d2X:Number;
var d2Y:Number;
dX = aabb.lowerBound.x;
dY = aabb.lowerBound.y;
dX = (dX - m_worldAABB.upperBound.x);
dY = (dY - m_worldAABB.upperBound.y);
d2X = m_worldAABB.lowerBound.x;
d2Y = m_worldAABB.lowerBound.y;
d2X = (d2X - aabb.upperBound.x);
d2Y = (d2Y - aabb.upperBound.y);
dX = b2Math.b2Max(dX, d2X);
dY = b2Math.b2Max(dY, d2Y);
return ((b2Math.b2Max(dX, dY) < 0));
}
public function MoveProxy(proxyId:uint, aabb:b2AABB):void{
var as3arr:Array;
var as3int:int;
var axis:uint;
var index:uint;
var bound:b2Bound;
var prevBound:b2Bound;
var nextBound:b2Bound;
var nextProxyId:uint;
var nextProxy:b2Proxy;
var bounds:Array;
var lowerIndex:uint;
var upperIndex:uint;
var lowerValue:uint;
var upperValue:uint;
var deltaLower:int;
var deltaUpper:int;
var prevProxyId:uint;
var prevProxy:b2Proxy;
if ((((proxyId == b2Pair.b2_nullProxy)) || ((b2Settings.b2_maxProxies <= proxyId)))){
return;
};
if (aabb.IsValid() == false){
return;
};
var boundCount:uint = (2 * m_proxyCount);
var proxy:b2Proxy = m_proxyPool[proxyId];
var newValues:b2BoundValues = new b2BoundValues();
ComputeBounds(newValues.lowerValues, newValues.upperValues, aabb);
var oldValues:b2BoundValues = new b2BoundValues();
axis = 0;
while (axis < 2) {
bound = m_bounds[axis][proxy.lowerBounds[axis]];
oldValues.lowerValues[axis] = bound.value;
bound = m_bounds[axis][proxy.upperBounds[axis]];
oldValues.upperValues[axis] = bound.value;
axis++;
};
axis = 0;
while (axis < 2) {
bounds = m_bounds[axis];
lowerIndex = proxy.lowerBounds[axis];
upperIndex = proxy.upperBounds[axis];
lowerValue = newValues.lowerValues[axis];
upperValue = newValues.upperValues[axis];
bound = bounds[lowerIndex];
deltaLower = (lowerValue - bound.value);
bound.value = lowerValue;
bound = bounds[upperIndex];
deltaUpper = (upperValue - bound.value);
bound.value = upperValue;
if (deltaLower < 0){
index = lowerIndex;
while ((((index > 0)) && ((lowerValue < (bounds[int((index - 1))] as b2Bound).value)))) {
bound = bounds[index];
prevBound = bounds[int((index - 1))];
prevProxyId = prevBound.proxyId;
prevProxy = m_proxyPool[prevBound.proxyId];
prevBound.stabbingCount++;
if (prevBound.IsUpper() == true){
if (TestOverlap(newValues, prevProxy)){
m_pairManager.AddBufferedPair(proxyId, prevProxyId);
};
as3arr = prevProxy.upperBounds;
as3int = as3arr[axis];
as3int++;
as3arr[axis] = as3int;
bound.stabbingCount++;
} else {
as3arr = prevProxy.lowerBounds;
as3int = as3arr[axis];
as3int++;
as3arr[axis] = as3int;
bound.stabbingCount--;
};
as3arr = proxy.lowerBounds;
as3int = as3arr[axis];
as3int--;
as3arr[axis] = as3int;
bound.Swap(prevBound);
index--;
};
};
if (deltaUpper > 0){
index = upperIndex;
while ((((index < (boundCount - 1))) && (((bounds[int((index + 1))] as b2Bound).value <= upperValue)))) {
bound = bounds[index];
nextBound = bounds[int((index + 1))];
nextProxyId = nextBound.proxyId;
nextProxy = m_proxyPool[nextProxyId];
nextBound.stabbingCount++;
if (nextBound.IsLower() == true){
if (TestOverlap(newValues, nextProxy)){
m_pairManager.AddBufferedPair(proxyId, nextProxyId);
};
as3arr = nextProxy.lowerBounds;
as3int = as3arr[axis];
as3int--;
as3arr[axis] = as3int;
bound.stabbingCount++;
} else {
as3arr = nextProxy.upperBounds;
as3int = as3arr[axis];
as3int--;
as3arr[axis] = as3int;
bound.stabbingCount--;
};
as3arr = proxy.upperBounds;
as3int = as3arr[axis];
as3int++;
as3arr[axis] = as3int;
bound.Swap(nextBound);
index++;
};
};
if (deltaLower > 0){
index = lowerIndex;
while ((((index < (boundCount - 1))) && (((bounds[int((index + 1))] as b2Bound).value <= lowerValue)))) {
bound = bounds[index];
nextBound = bounds[int((index + 1))];
nextProxyId = nextBound.proxyId;
nextProxy = m_proxyPool[nextProxyId];
nextBound.stabbingCount--;
if (nextBound.IsUpper()){
if (TestOverlap(oldValues, nextProxy)){
m_pairManager.RemoveBufferedPair(proxyId, nextProxyId);
};
as3arr = nextProxy.upperBounds;
as3int = as3arr[axis];
as3int--;
as3arr[axis] = as3int;
bound.stabbingCount--;
} else {
as3arr = nextProxy.lowerBounds;
as3int = as3arr[axis];
as3int--;
as3arr[axis] = as3int;
bound.stabbingCount++;
};
as3arr = proxy.lowerBounds;
as3int = as3arr[axis];
as3int++;
as3arr[axis] = as3int;
bound.Swap(nextBound);
index++;
};
};
if (deltaUpper < 0){
index = upperIndex;
while ((((index > 0)) && ((upperValue < (bounds[int((index - 1))] as b2Bound).value)))) {
bound = bounds[index];
prevBound = bounds[int((index - 1))];
prevProxyId = prevBound.proxyId;
prevProxy = m_proxyPool[prevProxyId];
prevBound.stabbingCount--;
if (prevBound.IsLower() == true){
if (TestOverlap(oldValues, prevProxy)){
m_pairManager.RemoveBufferedPair(proxyId, prevProxyId);
};
as3arr = prevProxy.lowerBounds;
as3int = as3arr[axis];
as3int++;
as3arr[axis] = as3int;
bound.stabbingCount--;
} else {
as3arr = prevProxy.upperBounds;
as3int = as3arr[axis];
as3int++;
as3arr[axis] = as3int;
bound.stabbingCount++;
};
as3arr = proxy.upperBounds;
as3int = as3arr[axis];
as3int--;
as3arr[axis] = as3int;
bound.Swap(prevBound);
index--;
};
};
axis++;
};
}
public static function BinarySearch(bounds:Array, count:int, value:uint):uint{
var mid:int;
var bound:b2Bound;
var low:int;
var high:int = (count - 1);
while (low <= high) {
mid = ((low + high) / 2);
bound = bounds[mid];
if (bound.value > value){
high = (mid - 1);
} else {
if (bound.value < value){
low = (mid + 1);
} else {
return (uint(mid));
};
};
};
return (uint(low));
}
}
}//package Box2D.Collision
Section 20
//b2BufferedPair (Box2D.Collision.b2BufferedPair)
package Box2D.Collision {
public class b2BufferedPair {
public var proxyId1:uint;
public var proxyId2:uint;
}
}//package Box2D.Collision
Section 21
//b2Collision (Box2D.Collision.b2Collision)
package Box2D.Collision {
import Box2D.Common.Math.*;
import Box2D.Collision.Shapes.*;
import Box2D.Common.*;
public class b2Collision {
public static const b2_nullFeature:uint = 0xFF;
private static var b2CollidePolyTempVec:b2Vec2 = new b2Vec2();
public static function EdgeSeparation(poly1:b2PolygonShape, xf1:b2XForm, edge1:int, poly2:b2PolygonShape, xf2:b2XForm):Number{
var tMat:b2Mat22;
var tVec:b2Vec2;
var dot:Number;
var count1:int = poly1.m_vertexCount;
var vertices1:Array = poly1.m_vertices;
var normals1:Array = poly1.m_normals;
var count2:int = poly2.m_vertexCount;
var vertices2:Array = poly2.m_vertices;
tMat = xf1.R;
tVec = normals1[edge1];
var normal1WorldX:Number = ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y));
var normal1WorldY:Number = ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y));
tMat = xf2.R;
var normal1X:Number = ((tMat.col1.x * normal1WorldX) + (tMat.col1.y * normal1WorldY));
var normal1Y:Number = ((tMat.col2.x * normal1WorldX) + (tMat.col2.y * normal1WorldY));
var index:int;
var minDot:Number = Number.MAX_VALUE;
var i:int;
while (i < count2) {
tVec = vertices2[i];
dot = ((tVec.x * normal1X) + (tVec.y * normal1Y));
if (dot < minDot){
minDot = dot;
index = i;
};
i++;
};
tVec = vertices1[edge1];
tMat = xf1.R;
var v1X:Number = (xf1.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
var v1Y:Number = (xf1.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
tVec = vertices2[index];
tMat = xf2.R;
var v2X:Number = (xf2.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
var v2Y:Number = (xf2.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
v2X = (v2X - v1X);
v2Y = (v2Y - v1Y);
var separation:Number = ((v2X * normal1WorldX) + (v2Y * normal1WorldY));
return (separation);
}
public static function b2TestOverlap(a:b2AABB, b:b2AABB):Boolean{
var t1:b2Vec2 = b.lowerBound;
var t2:b2Vec2 = a.upperBound;
var d1X:Number = (t1.x - t2.x);
var d1Y:Number = (t1.y - t2.y);
t1 = a.lowerBound;
t2 = b.upperBound;
var d2X:Number = (t1.x - t2.x);
var d2Y:Number = (t1.y - t2.y);
if ((((d1X > 0)) || ((d1Y > 0)))){
return (false);
};
if ((((d2X > 0)) || ((d2Y > 0)))){
return (false);
};
return (true);
}
public static function FindIncidentEdge(c:Array, poly1:b2PolygonShape, xf1:b2XForm, edge1:int, poly2:b2PolygonShape, xf2:b2XForm):void{
var tMat:b2Mat22;
var tVec:b2Vec2;
var tClip:ClipVertex;
var dot:Number;
var count1:int = poly1.m_vertexCount;
var normals1:Array = poly1.m_normals;
var count2:int = poly2.m_vertexCount;
var vertices2:Array = poly2.m_vertices;
var normals2:Array = poly2.m_normals;
tMat = xf1.R;
tVec = normals1[edge1];
var normal1X:Number = ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y));
var normal1Y:Number = ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y));
tMat = xf2.R;
var tX:Number = ((tMat.col1.x * normal1X) + (tMat.col1.y * normal1Y));
normal1Y = ((tMat.col2.x * normal1X) + (tMat.col2.y * normal1Y));
normal1X = tX;
var index:int;
var minDot:Number = Number.MAX_VALUE;
var i:int;
while (i < count2) {
tVec = normals2[i];
dot = ((normal1X * tVec.x) + (normal1Y * tVec.y));
if (dot < minDot){
minDot = dot;
index = i;
};
i++;
};
var i1:int = index;
var i2:int = (((i1 + 1) < count2)) ? (i1 + 1) : 0;
tClip = c[0];
tVec = vertices2[i1];
tMat = xf2.R;
tClip.v.x = (xf2.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
tClip.v.y = (xf2.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
tClip.id.features.referenceEdge = edge1;
tClip.id.features.incidentEdge = i1;
tClip.id.features.incidentVertex = 0;
tClip = c[1];
tVec = vertices2[i2];
tMat = xf2.R;
tClip.v.x = (xf2.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
tClip.v.y = (xf2.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
tClip.id.features.referenceEdge = edge1;
tClip.id.features.incidentEdge = i2;
tClip.id.features.incidentVertex = 1;
}
public static function b2CollidePolygons(manifold:b2Manifold, polyA:b2PolygonShape, xfA:b2XForm, polyB:b2PolygonShape, xfB:b2XForm):void{
var cv:ClipVertex;
var poly1:b2PolygonShape;
var poly2:b2PolygonShape;
var edge1:int;
var flip:uint;
var np:int;
var v12:b2Vec2;
var separation:Number;
var cp:b2ManifoldPoint;
manifold.pointCount = 0;
var edgeA:int;
var edgeAO:Array = [edgeA];
var separationA:Number = FindMaxSeparation(edgeAO, polyA, xfA, polyB, xfB);
edgeA = edgeAO[0];
if (separationA > 0){
return;
};
var edgeB:int;
var edgeBO:Array = [edgeB];
var separationB:Number = FindMaxSeparation(edgeBO, polyB, xfB, polyA, xfA);
edgeB = edgeBO[0];
if (separationB > 0){
return;
};
var xf1:b2XForm = new b2XForm();
var xf2:b2XForm = new b2XForm();
var k_relativeTol:Number = 0.98;
var k_absoluteTol:Number = 0.001;
if (separationB > ((k_relativeTol * separationA) + k_absoluteTol)){
poly1 = polyB;
poly2 = polyA;
xf1.Set(xfB);
xf2.Set(xfA);
edge1 = edgeB;
flip = 1;
} else {
poly1 = polyA;
poly2 = polyB;
xf1.Set(xfA);
xf2.Set(xfB);
edge1 = edgeA;
flip = 0;
};
var incidentEdge:Array = [new ClipVertex(), new ClipVertex()];
FindIncidentEdge(incidentEdge, poly1, xf1, edge1, poly2, xf2);
var count1:int = poly1.m_vertexCount;
var vertices1:Array = poly1.m_vertices;
var tVec:b2Vec2 = vertices1[edge1];
var v11:b2Vec2 = tVec.Copy();
if ((edge1 + 1) < count1){
tVec = vertices1[int((edge1 + 1))];
v12 = tVec.Copy();
} else {
tVec = vertices1[0];
v12 = tVec.Copy();
};
var dv:b2Vec2 = b2Math.SubtractVV(v12, v11);
var sideNormal:b2Vec2 = b2Math.b2MulMV(xf1.R, b2Math.SubtractVV(v12, v11));
sideNormal.Normalize();
var frontNormal:b2Vec2 = b2Math.b2CrossVF(sideNormal, 1);
v11 = b2Math.b2MulX(xf1, v11);
v12 = b2Math.b2MulX(xf1, v12);
var frontOffset:Number = b2Math.b2Dot(frontNormal, v11);
var sideOffset1:Number = -(b2Math.b2Dot(sideNormal, v11));
var sideOffset2:Number = b2Math.b2Dot(sideNormal, v12);
var clipPoints1:Array = [new ClipVertex(), new ClipVertex()];
var clipPoints2:Array = [new ClipVertex(), new ClipVertex()];
np = ClipSegmentToLine(clipPoints1, incidentEdge, sideNormal.Negative(), sideOffset1);
if (np < 2){
return;
};
np = ClipSegmentToLine(clipPoints2, clipPoints1, sideNormal, sideOffset2);
if (np < 2){
return;
};
manifold.normal = (flip) ? frontNormal.Negative() : frontNormal.Copy();
var pointCount:int;
var i:int;
while (i < b2Settings.b2_maxManifoldPoints) {
cv = clipPoints2[i];
separation = (b2Math.b2Dot(frontNormal, cv.v) - frontOffset);
if (separation <= 0){
cp = manifold.points[pointCount];
cp.separation = separation;
cp.localPoint1 = b2Math.b2MulXT(xfA, cv.v);
cp.localPoint2 = b2Math.b2MulXT(xfB, cv.v);
cp.id.key = cv.id._key;
cp.id.features.flip = flip;
pointCount++;
};
i++;
};
manifold.pointCount = pointCount;
}
public static function FindMaxSeparation(edgeIndex:Array, poly1:b2PolygonShape, xf1:b2XForm, poly2:b2PolygonShape, xf2:b2XForm):Number{
var tVec:b2Vec2;
var tMat:b2Mat22;
var bestEdge:int;
var bestSeparation:Number;
var increment:int;
var dot:Number;
var count1:int = poly1.m_vertexCount;
var normals1:Array = poly1.m_normals;
tMat = xf2.R;
tVec = poly2.m_centroid;
var dX:Number = (xf2.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
var dY:Number = (xf2.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
tMat = xf1.R;
tVec = poly1.m_centroid;
dX = (dX - (xf1.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y))));
dY = (dY - (xf1.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y))));
var dLocal1X:Number = ((dX * xf1.R.col1.x) + (dY * xf1.R.col1.y));
var dLocal1Y:Number = ((dX * xf1.R.col2.x) + (dY * xf1.R.col2.y));
var edge:int;
var maxDot:Number = -(Number.MAX_VALUE);
var i:int;
while (i < count1) {
tVec = normals1[i];
dot = ((tVec.x * dLocal1X) + (tVec.y * dLocal1Y));
if (dot > maxDot){
maxDot = dot;
edge = i;
};
i++;
};
var s:Number = EdgeSeparation(poly1, xf1, edge, poly2, xf2);
if (s > 0){
return (s);
};
var prevEdge:int = (((edge - 1) >= 0)) ? (edge - 1) : (count1 - 1);
var sPrev:Number = EdgeSeparation(poly1, xf1, prevEdge, poly2, xf2);
if (sPrev > 0){
return (sPrev);
};
var nextEdge:int = (((edge + 1) < count1)) ? (edge + 1) : 0;
var sNext:Number = EdgeSeparation(poly1, xf1, nextEdge, poly2, xf2);
if (sNext > 0){
return (sNext);
};
if ((((sPrev > s)) && ((sPrev > sNext)))){
increment = -1;
bestEdge = prevEdge;
bestSeparation = sPrev;
} else {
if (sNext > s){
increment = 1;
bestEdge = nextEdge;
bestSeparation = sNext;
} else {
edgeIndex[0] = edge;
return (s);
};
};
while (true) {
if (increment == -1){
edge = (((bestEdge - 1) >= 0)) ? (bestEdge - 1) : (count1 - 1);
} else {
edge = (((bestEdge + 1) < count1)) ? (bestEdge + 1) : 0;
};
s = EdgeSeparation(poly1, xf1, edge, poly2, xf2);
if (s > 0){
return (s);
};
if (s > bestSeparation){
bestEdge = edge;
bestSeparation = s;
} else {
break;
};
};
edgeIndex[0] = bestEdge;
return (bestSeparation);
}
public static function ClipSegmentToLine(vOut:Array, vIn:Array, normal:b2Vec2, offset:Number):int{
var cv:ClipVertex;
var numOut:int;
var vIn0:b2Vec2;
var vIn1:b2Vec2;
var distance0:Number;
var interp:Number;
var tVec:b2Vec2;
var cv2:ClipVertex;
numOut = 0;
cv = vIn[0];
vIn0 = cv.v;
cv = vIn[1];
vIn1 = cv.v;
distance0 = (b2Math.b2Dot(normal, vIn0) - offset);
var distance1:Number = (b2Math.b2Dot(normal, vIn1) - offset);
if (distance0 <= 0){
var _temp1 = numOut;
numOut = (numOut + 1);
var _local14 = _temp1;
vOut[_local14] = vIn[0];
};
if (distance1 <= 0){
var _temp2 = numOut;
numOut = (numOut + 1);
_local14 = _temp2;
vOut[_local14] = vIn[1];
};
if ((distance0 * distance1) < 0){
interp = (distance0 / (distance0 - distance1));
cv = vOut[numOut];
tVec = cv.v;
tVec.x = (vIn0.x + (interp * (vIn1.x - vIn0.x)));
tVec.y = (vIn0.y + (interp * (vIn1.y - vIn0.y)));
cv = vOut[numOut];
if (distance0 > 0){
cv2 = vIn[0];
cv.id = cv2.id;
} else {
cv2 = vIn[1];
cv.id = cv2.id;
};
numOut++;
};
return (numOut);
}
public static function b2CollideCircles(manifold:b2Manifold, circle1:b2CircleShape, xf1:b2XForm, circle2:b2CircleShape, xf2:b2XForm):void{
var tMat:b2Mat22;
var tVec:b2Vec2;
var separation:Number;
var dist:Number;
var a:Number;
manifold.pointCount = 0;
tMat = xf1.R;
tVec = circle1.m_localPosition;
var p1X:Number = (xf1.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
var p1Y:Number = (xf1.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
tMat = xf2.R;
tVec = circle2.m_localPosition;
var p2X:Number = (xf2.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
var p2Y:Number = (xf2.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
var dX:Number = (p2X - p1X);
var dY:Number = (p2Y - p1Y);
var distSqr:Number = ((dX * dX) + (dY * dY));
var r1:Number = circle1.m_radius;
var r2:Number = circle2.m_radius;
var radiusSum:Number = (r1 + r2);
if (distSqr > (radiusSum * radiusSum)){
return;
};
if (distSqr < Number.MIN_VALUE){
separation = -(radiusSum);
manifold.normal.Set(0, 1);
} else {
dist = Math.sqrt(distSqr);
separation = (dist - radiusSum);
a = (1 / dist);
manifold.normal.x = (a * dX);
manifold.normal.y = (a * dY);
};
manifold.pointCount = 1;
var tPoint:b2ManifoldPoint = manifold.points[0];
tPoint.id.key = 0;
tPoint.separation = separation;
p1X = (p1X + (r1 * manifold.normal.x));
p1Y = (p1Y + (r1 * manifold.normal.y));
p2X = (p2X - (r2 * manifold.normal.x));
p2Y = (p2Y - (r2 * manifold.normal.y));
var pX:Number = (0.5 * (p1X + p2X));
var pY:Number = (0.5 * (p1Y + p2Y));
var tX:Number = (pX - xf1.position.x);
var tY:Number = (pY - xf1.position.y);
tPoint.localPoint1.x = ((tX * xf1.R.col1.x) + (tY * xf1.R.col1.y));
tPoint.localPoint1.y = ((tX * xf1.R.col2.x) + (tY * xf1.R.col2.y));
tX = (pX - xf2.position.x);
tY = (pY - xf2.position.y);
tPoint.localPoint2.x = ((tX * xf2.R.col1.x) + (tY * xf2.R.col1.y));
tPoint.localPoint2.y = ((tX * xf2.R.col2.x) + (tY * xf2.R.col2.y));
}
public static function b2CollidePolygonAndCircle(manifold:b2Manifold, polygon:b2PolygonShape, xf1:b2XForm, circle:b2CircleShape, xf2:b2XForm):void{
var tPoint:b2ManifoldPoint;
var dX:Number;
var dY:Number;
var positionX:Number;
var positionY:Number;
var tVec:b2Vec2;
var tMat:b2Mat22;
var dist:Number;
var pX:Number;
var pY:Number;
var s:Number;
manifold.pointCount = 0;
tMat = xf2.R;
tVec = circle.m_localPosition;
var cX:Number = (xf2.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
var cY:Number = (xf2.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
dX = (cX - xf1.position.x);
dY = (cY - xf1.position.y);
tMat = xf1.R;
var cLocalX:Number = ((dX * tMat.col1.x) + (dY * tMat.col1.y));
var cLocalY:Number = ((dX * tMat.col2.x) + (dY * tMat.col2.y));
var normalIndex:int;
var separation:Number = -(Number.MAX_VALUE);
var radius:Number = circle.m_radius;
var vertexCount:int = polygon.m_vertexCount;
var vertices:Array = polygon.m_vertices;
var normals:Array = polygon.m_normals;
var i:int;
while (i < vertexCount) {
tVec = vertices[i];
dX = (cLocalX - tVec.x);
dY = (cLocalY - tVec.y);
tVec = normals[i];
s = ((tVec.x * dX) + (tVec.y * dY));
if (s > radius){
return;
};
if (s > separation){
separation = s;
normalIndex = i;
};
i++;
};
if (separation < Number.MIN_VALUE){
manifold.pointCount = 1;
tVec = normals[normalIndex];
tMat = xf1.R;
manifold.normal.x = ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y));
manifold.normal.y = ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y));
tPoint = manifold.points[0];
tPoint.id.features.incidentEdge = normalIndex;
tPoint.id.features.incidentVertex = b2_nullFeature;
tPoint.id.features.referenceEdge = 0;
tPoint.id.features.flip = 0;
positionX = (cX - (radius * manifold.normal.x));
positionY = (cY - (radius * manifold.normal.y));
dX = (positionX - xf1.position.x);
dY = (positionY - xf1.position.y);
tMat = xf1.R;
tPoint.localPoint1.x = ((dX * tMat.col1.x) + (dY * tMat.col1.y));
tPoint.localPoint1.y = ((dX * tMat.col2.x) + (dY * tMat.col2.y));
dX = (positionX - xf2.position.x);
dY = (positionY - xf2.position.y);
tMat = xf2.R;
tPoint.localPoint2.x = ((dX * tMat.col1.x) + (dY * tMat.col1.y));
tPoint.localPoint2.y = ((dX * tMat.col2.x) + (dY * tMat.col2.y));
tPoint.separation = (separation - radius);
return;
};
var vertIndex1:int = normalIndex;
var vertIndex2:int = (((vertIndex1 + 1) < vertexCount)) ? (vertIndex1 + 1) : 0;
tVec = vertices[vertIndex1];
var tVec2:b2Vec2 = vertices[vertIndex2];
var eX:Number = (tVec2.x - tVec.x);
var eY:Number = (tVec2.y - tVec.y);
var length:Number = Math.sqrt(((eX * eX) + (eY * eY)));
eX = (eX / length);
eY = (eY / length);
dX = (cLocalX - tVec.x);
dY = (cLocalY - tVec.y);
var u:Number = ((dX * eX) + (dY * eY));
tPoint = manifold.points[0];
if (u <= 0){
pX = tVec.x;
pY = tVec.y;
tPoint.id.features.incidentEdge = b2_nullFeature;
tPoint.id.features.incidentVertex = vertIndex1;
} else {
if (u >= length){
pX = tVec2.x;
pY = tVec2.y;
tPoint.id.features.incidentEdge = b2_nullFeature;
tPoint.id.features.incidentVertex = vertIndex2;
} else {
pX = ((eX * u) + tVec.x);
pY = ((eY * u) + tVec.y);
tPoint.id.features.incidentEdge = normalIndex;
tPoint.id.features.incidentVertex = b2_nullFeature;
};
};
dX = (cLocalX - pX);
dY = (cLocalY - pY);
dist = Math.sqrt(((dX * dX) + (dY * dY)));
dX = (dX / dist);
dY = (dY / dist);
if (dist > radius){
return;
};
manifold.pointCount = 1;
tMat = xf1.R;
manifold.normal.x = ((tMat.col1.x * dX) + (tMat.col2.x * dY));
manifold.normal.y = ((tMat.col1.y * dX) + (tMat.col2.y * dY));
positionX = (cX - (radius * manifold.normal.x));
positionY = (cY - (radius * manifold.normal.y));
dX = (positionX - xf1.position.x);
dY = (positionY - xf1.position.y);
tMat = xf1.R;
tPoint.localPoint1.x = ((dX * tMat.col1.x) + (dY * tMat.col1.y));
tPoint.localPoint1.y = ((dX * tMat.col2.x) + (dY * tMat.col2.y));
dX = (positionX - xf2.position.x);
dY = (positionY - xf2.position.y);
tMat = xf2.R;
tPoint.localPoint2.x = ((dX * tMat.col1.x) + (dY * tMat.col1.y));
tPoint.localPoint2.y = ((dX * tMat.col2.x) + (dY * tMat.col2.y));
tPoint.separation = (dist - radius);
tPoint.id.features.referenceEdge = 0;
tPoint.id.features.flip = 0;
}
}
}//package Box2D.Collision
Section 22
//b2ContactID (Box2D.Collision.b2ContactID)
package Box2D.Collision {
public class b2ContactID {
public var _key:uint;
public var features:Features;
public function b2ContactID(){
features = new Features();
super();
features._m_id = this;
}
public function Set(id:b2ContactID):void{
key = id._key;
}
public function Copy():b2ContactID{
var id:b2ContactID = new b2ContactID();
id.key = key;
return (id);
}
public function set key(value:uint):void{
_key = value;
features._referenceEdge = (_key & 0xFF);
features._incidentEdge = (((_key & 0xFF00) >> 8) & 0xFF);
features._incidentVertex = (((_key & 0xFF0000) >> 16) & 0xFF);
features._flip = (((_key & 4278190080) >> 24) & 0xFF);
}
public function get key():uint{
return (_key);
}
}
}//package Box2D.Collision
Section 23
//b2ContactPoint (Box2D.Collision.b2ContactPoint)
package Box2D.Collision {
import Box2D.Common.Math.*;
import Box2D.Collision.Shapes.*;
public class b2ContactPoint {
public var friction:Number;
public var separation:Number;
public var normal:b2Vec2;
public var position:b2Vec2;
public var restitution:Number;
public var shape1:b2Shape;
public var shape2:b2Shape;
public var id:b2ContactID;
public var velocity:b2Vec2;
public function b2ContactPoint(){
position = new b2Vec2();
velocity = new b2Vec2();
normal = new b2Vec2();
id = new b2ContactID();
super();
}
}
}//package Box2D.Collision
Section 24
//b2Distance (Box2D.Collision.b2Distance)
package Box2D.Collision {
import Box2D.Common.Math.*;
import Box2D.Collision.Shapes.*;
import Box2D.Common.*;
public class b2Distance {
private static var s_p2s:Array = [new b2Vec2(), new b2Vec2(), new b2Vec2()];
private static var s_p1s:Array = [new b2Vec2(), new b2Vec2(), new b2Vec2()];
private static var s_points:Array = [new b2Vec2(), new b2Vec2(), new b2Vec2()];
private static var gPoint:b2Point = new b2Point();
public static var g_GJK_Iterations:int = 0;
public static function InPoints(w:b2Vec2, points:Array, pointCount:int):Boolean{
var points_i:b2Vec2;
var dX:Number;
var dY:Number;
var mX:Number;
var mY:Number;
var k_tolerance:Number = (100 * Number.MIN_VALUE);
var i:int;
while (i < pointCount) {
points_i = points[i];
dX = Math.abs((w.x - points_i.x));
dY = Math.abs((w.y - points_i.y));
mX = Math.max(Math.abs(w.x), Math.abs(points_i.x));
mY = Math.max(Math.abs(w.y), Math.abs(points_i.y));
if ((((dX < (k_tolerance * (mX + 1)))) && ((dY < (k_tolerance * (mY + 1)))))){
return (true);
};
i++;
};
return (false);
}
public static function DistanceGeneric(x1:b2Vec2, x2:b2Vec2, shape1, xf1:b2XForm, shape2, xf2:b2XForm):Number{
var tVec:b2Vec2;
var vX:Number;
var vY:Number;
var w1:b2Vec2;
var w2:b2Vec2;
var wX:Number;
var wY:Number;
var vw:Number;
var maxSqr:Number;
var i:int;
var p1s:Array = s_p1s;
var p2s:Array = s_p2s;
var points:Array = s_points;
var pointCount:int;
x1.SetV(shape1.GetFirstVertex(xf1));
x2.SetV(shape2.GetFirstVertex(xf2));
var vSqr:Number = 0;
var maxIterations = 20;
var iter:int;
while (iter < maxIterations) {
vX = (x2.x - x1.x);
vY = (x2.y - x1.y);
w1 = shape1.Support(xf1, vX, vY);
w2 = shape2.Support(xf2, -(vX), -(vY));
vSqr = ((vX * vX) + (vY * vY));
wX = (w2.x - w1.x);
wY = (w2.y - w1.y);
vw = ((vX * wX) + (vY * wY));
if ((vSqr - vw) <= (0.01 * vSqr)){
if (pointCount == 0){
x1.SetV(w1);
x2.SetV(w2);
};
g_GJK_Iterations = iter;
return (Math.sqrt(vSqr));
};
switch (pointCount){
case 0:
tVec = p1s[0];
tVec.SetV(w1);
tVec = p2s[0];
tVec.SetV(w2);
tVec = points[0];
tVec.x = wX;
tVec.y = wY;
x1.SetV(p1s[0]);
x2.SetV(p2s[0]);
pointCount++;
break;
case 1:
tVec = p1s[1];
tVec.SetV(w1);
tVec = p2s[1];
tVec.SetV(w2);
tVec = points[1];
tVec.x = wX;
tVec.y = wY;
pointCount = ProcessTwo(x1, x2, p1s, p2s, points);
break;
case 2:
tVec = p1s[2];
tVec.SetV(w1);
tVec = p2s[2];
tVec.SetV(w2);
tVec = points[2];
tVec.x = wX;
tVec.y = wY;
pointCount = ProcessThree(x1, x2, p1s, p2s, points);
break;
};
if (pointCount == 3){
g_GJK_Iterations = iter;
return (0);
};
maxSqr = -(Number.MAX_VALUE);
i = 0;
while (i < pointCount) {
tVec = points[i];
maxSqr = b2Math.b2Max(maxSqr, ((tVec.x * tVec.x) + (tVec.y * tVec.y)));
i++;
};
if ((((pointCount == 3)) || ((vSqr <= ((100 * Number.MIN_VALUE) * maxSqr))))){
g_GJK_Iterations = iter;
vX = (x2.x - x1.x);
vY = (x2.y - x1.y);
vSqr = ((vX * vX) + (vY * vY));
return (Math.sqrt(vSqr));
};
iter++;
};
g_GJK_Iterations = maxIterations;
return (Math.sqrt(vSqr));
}
public static function DistanceCC(x1:b2Vec2, x2:b2Vec2, circle1:b2CircleShape, xf1:b2XForm, circle2:b2CircleShape, xf2:b2XForm):Number{
var tMat:b2Mat22;
var tVec:b2Vec2;
var dLen:Number;
var distance:Number;
tMat = xf1.R;
tVec = circle1.m_localPosition;
var p1X:Number = (xf1.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
var p1Y:Number = (xf1.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
tMat = xf2.R;
tVec = circle2.m_localPosition;
var p2X:Number = (xf2.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
var p2Y:Number = (xf2.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
var dX:Number = (p2X - p1X);
var dY:Number = (p2Y - p1Y);
var dSqr:Number = ((dX * dX) + (dY * dY));
var r1:Number = (circle1.m_radius - b2Settings.b2_toiSlop);
var r2:Number = (circle2.m_radius - b2Settings.b2_toiSlop);
var r:Number = (r1 + r2);
if (dSqr > (r * r)){
dLen = Math.sqrt(dSqr);
dX = (dX / dLen);
dY = (dY / dLen);
distance = (dLen - r);
x1.x = (p1X + (r1 * dX));
x1.y = (p1Y + (r1 * dY));
x2.x = (p2X - (r2 * dX));
x2.y = (p2Y - (r2 * dY));
return (distance);
};
if (dSqr > (Number.MIN_VALUE * Number.MIN_VALUE)){
dLen = Math.sqrt(dSqr);
dX = (dX / dLen);
dY = (dY / dLen);
x1.x = (p1X + (r1 * dX));
x1.y = (p1Y + (r1 * dY));
x2.x = x1.x;
x2.y = x1.y;
return (0);
};
x1.x = p1X;
x1.y = p1Y;
x2.x = x1.x;
x2.y = x1.y;
return (0);
}
public static function ProcessThree(x1:b2Vec2, x2:b2Vec2, p1s:Array, p2s:Array, points:Array):int{
var points_0:b2Vec2;
var points_1:b2Vec2;
var points_2:b2Vec2;
var p1s_0:b2Vec2;
var p1s_1:b2Vec2;
var p1s_2:b2Vec2;
var p2s_0:b2Vec2;
var p2s_1:b2Vec2;
var lambda:Number;
points_0 = points[0];
points_1 = points[1];
points_2 = points[2];
p1s_0 = p1s[0];
p1s_1 = p1s[1];
p1s_2 = p1s[2];
p2s_0 = p2s[0];
p2s_1 = p2s[1];
var p2s_2:b2Vec2 = p2s[2];
var aX:Number = points_0.x;
var aY:Number = points_0.y;
var bX:Number = points_1.x;
var bY:Number = points_1.y;
var cX:Number = points_2.x;
var cY:Number = points_2.y;
var abX:Number = (bX - aX);
var abY:Number = (bY - aY);
var acX:Number = (cX - aX);
var acY:Number = (cY - aY);
var bcX:Number = (cX - bX);
var bcY:Number = (cY - bY);
var sn:Number = -(((aX * abX) + (aY * abY)));
var sd:Number = ((bX * abX) + (bY * abY));
var tn:Number = -(((aX * acX) + (aY * acY)));
var td:Number = ((cX * acX) + (cY * acY));
var un:Number = -(((bX * bcX) + (bY * bcY)));
var ud:Number = ((cX * bcX) + (cY * bcY));
if ((((td <= 0)) && ((ud <= 0)))){
x1.SetV(p1s_2);
x2.SetV(p2s_2);
p1s_0.SetV(p1s_2);
p2s_0.SetV(p2s_2);
points_0.SetV(points_2);
return (1);
};
var n:Number = ((abX * acY) - (abY * acX));
var vc:Number = (n * ((aX * bY) - (aY * bX)));
var va:Number = (n * ((bX * cY) - (bY * cX)));
if ((((((((va <= 0)) && ((un >= 0)))) && ((ud >= 0)))) && (((un + ud) > 0)))){
lambda = (un / (un + ud));
x1.x = (p1s_1.x + (lambda * (p1s_2.x - p1s_1.x)));
x1.y = (p1s_1.y + (lambda * (p1s_2.y - p1s_1.y)));
x2.x = (p2s_1.x + (lambda * (p2s_2.x - p2s_1.x)));
x2.y = (p2s_1.y + (lambda * (p2s_2.y - p2s_1.y)));
p1s_0.SetV(p1s_2);
p2s_0.SetV(p2s_2);
points_0.SetV(points_2);
return (2);
};
var vb:Number = (n * ((cX * aY) - (cY * aX)));
if ((((((((vb <= 0)) && ((tn >= 0)))) && ((td >= 0)))) && (((tn + td) > 0)))){
lambda = (tn / (tn + td));
x1.x = (p1s_0.x + (lambda * (p1s_2.x - p1s_0.x)));
x1.y = (p1s_0.y + (lambda * (p1s_2.y - p1s_0.y)));
x2.x = (p2s_0.x + (lambda * (p2s_2.x - p2s_0.x)));
x2.y = (p2s_0.y + (lambda * (p2s_2.y - p2s_0.y)));
p1s_1.SetV(p1s_2);
p2s_1.SetV(p2s_2);
points_1.SetV(points_2);
return (2);
};
var denom:Number = ((va + vb) + vc);
denom = (1 / denom);
var u:Number = (va * denom);
var v:Number = (vb * denom);
var w:Number = ((1 - u) - v);
x1.x = (((u * p1s_0.x) + (v * p1s_1.x)) + (w * p1s_2.x));
x1.y = (((u * p1s_0.y) + (v * p1s_1.y)) + (w * p1s_2.y));
x2.x = (((u * p2s_0.x) + (v * p2s_1.x)) + (w * p2s_2.x));
x2.y = (((u * p2s_0.y) + (v * p2s_1.y)) + (w * p2s_2.y));
return (3);
}
public static function DistancePC(x1:b2Vec2, x2:b2Vec2, polygon:b2PolygonShape, xf1:b2XForm, circle:b2CircleShape, xf2:b2XForm):Number{
var tMat:b2Mat22;
var tVec:b2Vec2;
var dX:Number;
var dY:Number;
var dLen:Number;
var point:b2Point = gPoint;
tVec = circle.m_localPosition;
tMat = xf2.R;
point.p.x = (xf2.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
point.p.y = (xf2.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
var distance:Number = DistanceGeneric(x1, x2, polygon, xf1, point, b2Math.b2XForm_identity);
var r:Number = (circle.m_radius - b2Settings.b2_toiSlop);
if (distance > r){
distance = (distance - r);
dX = (x2.x - x1.x);
dY = (x2.y - x1.y);
dLen = Math.sqrt(((dX * dX) + (dY * dY)));
dX = (dX / dLen);
dY = (dY / dLen);
x2.x = (x2.x - (r * dX));
x2.y = (x2.y - (r * dY));
} else {
distance = 0;
x2.x = x1.x;
x2.y = x1.y;
};
return (distance);
}
public static function Distance(x1:b2Vec2, x2:b2Vec2, shape1:b2Shape, xf1:b2XForm, shape2:b2Shape, xf2:b2XForm):Number{
var type1:int = shape1.m_type;
var type2:int = shape2.m_type;
if ((((type1 == b2Shape.e_circleShape)) && ((type2 == b2Shape.e_circleShape)))){
return (DistanceCC(x1, x2, (shape1 as b2CircleShape), xf1, (shape2 as b2CircleShape), xf2));
};
if ((((type1 == b2Shape.e_polygonShape)) && ((type2 == b2Shape.e_circleShape)))){
return (DistancePC(x1, x2, (shape1 as b2PolygonShape), xf1, (shape2 as b2CircleShape), xf2));
};
if ((((type1 == b2Shape.e_circleShape)) && ((type2 == b2Shape.e_polygonShape)))){
return (DistancePC(x2, x1, (shape2 as b2PolygonShape), xf2, (shape1 as b2CircleShape), xf1));
};
if ((((type1 == b2Shape.e_polygonShape)) && ((type2 == b2Shape.e_polygonShape)))){
return (DistanceGeneric(x1, x2, (shape1 as b2PolygonShape), xf1, (shape2 as b2PolygonShape), xf2));
};
return (0);
}
public static function ProcessTwo(x1:b2Vec2, x2:b2Vec2, p1s:Array, p2s:Array, points:Array):int{
var p1s_1:b2Vec2;
var p2s_0:b2Vec2;
var p2s_1:b2Vec2;
var lambda:Number;
var points_0:b2Vec2 = points[0];
var points_1:b2Vec2 = points[1];
var p1s_0:b2Vec2 = p1s[0];
p1s_1 = p1s[1];
p2s_0 = p2s[0];
p2s_1 = p2s[1];
var rX:Number = -(points_1.x);
var rY:Number = -(points_1.y);
var dX:Number = (points_0.x - points_1.x);
var dY:Number = (points_0.y - points_1.y);
var length:Number = Math.sqrt(((dX * dX) + (dY * dY)));
dX = (dX / length);
dY = (dY / length);
lambda = ((rX * dX) + (rY * dY));
if ((((lambda <= 0)) || ((length < Number.MIN_VALUE)))){
x1.SetV(p1s_1);
x2.SetV(p2s_1);
p1s_0.SetV(p1s_1);
p2s_0.SetV(p2s_1);
points_0.SetV(points_1);
return (1);
};
lambda = (lambda / length);
x1.x = (p1s_1.x + (lambda * (p1s_0.x - p1s_1.x)));
x1.y = (p1s_1.y + (lambda * (p1s_0.y - p1s_1.y)));
x2.x = (p2s_1.x + (lambda * (p2s_0.x - p2s_1.x)));
x2.y = (p2s_1.y + (lambda * (p2s_0.y - p2s_1.y)));
return (2);
}
}
}//package Box2D.Collision
Section 25
//b2Manifold (Box2D.Collision.b2Manifold)
package Box2D.Collision {
import Box2D.Common.Math.*;
import Box2D.Common.*;
public class b2Manifold {
public var pointCount:int;// = 0
public var normal:b2Vec2;
public var points:Array;
public function b2Manifold(){
super();
points = new Array(b2Settings.b2_maxManifoldPoints);
var i:int;
while (i < b2Settings.b2_maxManifoldPoints) {
points[i] = new b2ManifoldPoint();
i++;
};
normal = new b2Vec2();
}
public function Set(m:b2Manifold):void{
pointCount = m.pointCount;
var i:int;
while (i < b2Settings.b2_maxManifoldPoints) {
(points[i] as b2ManifoldPoint).Set(m.points[i]);
i++;
};
normal.SetV(m.normal);
}
public function Reset():void{
var i:int;
while (i < b2Settings.b2_maxManifoldPoints) {
(points[i] as b2ManifoldPoint).Reset();
i++;
};
normal.SetZero();
pointCount = 0;
}
}
}//package Box2D.Collision
Section 26
//b2ManifoldPoint (Box2D.Collision.b2ManifoldPoint)
package Box2D.Collision {
import Box2D.Common.Math.*;
public class b2ManifoldPoint {
public var separation:Number;
public var localPoint2:b2Vec2;
public var normalImpulse:Number;
public var tangentImpulse:Number;
public var localPoint1:b2Vec2;
public var id:b2ContactID;
public function b2ManifoldPoint(){
localPoint1 = new b2Vec2();
localPoint2 = new b2Vec2();
id = new b2ContactID();
super();
}
public function Set(m:b2ManifoldPoint):void{
localPoint1.SetV(m.localPoint1);
localPoint2.SetV(m.localPoint2);
separation = m.separation;
normalImpulse = m.normalImpulse;
tangentImpulse = m.tangentImpulse;
id.key = m.id.key;
}
public function Reset():void{
localPoint1.SetZero();
localPoint2.SetZero();
separation = 0;
normalImpulse = 0;
tangentImpulse = 0;
id.key = 0;
}
}
}//package Box2D.Collision
Section 27
//b2OBB (Box2D.Collision.b2OBB)
package Box2D.Collision {
import Box2D.Common.Math.*;
public class b2OBB {
public var R:b2Mat22;
public var center:b2Vec2;
public var extents:b2Vec2;
public function b2OBB(){
R = new b2Mat22();
center = new b2Vec2();
extents = new b2Vec2();
super();
}
}
}//package Box2D.Collision
Section 28
//b2Pair (Box2D.Collision.b2Pair)
package Box2D.Collision {
import Box2D.Common.*;
public class b2Pair {
public var proxyId1:uint;
public var userData;// = null
public var proxyId2:uint;
public var status:uint;
public var next:uint;
public static var e_pairFinal:uint = 4;
public static var b2_tableMask:int = (b2_tableCapacity - 1);
public static var e_pairRemoved:uint = 2;
public static var b2_nullPair:uint = b2Settings.USHRT_MAX;
public static var e_pairBuffered:uint = 1;
public static var b2_nullProxy:uint = b2Settings.USHRT_MAX;
public static var b2_tableCapacity:int = b2Settings.b2_maxPairs;
public function SetBuffered():void{
status = (status | e_pairBuffered);
}
public function IsBuffered():Boolean{
return (((status & e_pairBuffered) == e_pairBuffered));
}
public function IsFinal():Boolean{
return (((status & e_pairFinal) == e_pairFinal));
}
public function ClearRemoved():void{
status = (status & ~(e_pairRemoved));
}
public function SetFinal():void{
status = (status | e_pairFinal);
}
public function IsRemoved():Boolean{
return (((status & e_pairRemoved) == e_pairRemoved));
}
public function ClearBuffered():void{
status = (status & ~(e_pairBuffered));
}
public function SetRemoved():void{
status = (status | e_pairRemoved);
}
}
}//package Box2D.Collision
Section 29
//b2PairCallback (Box2D.Collision.b2PairCallback)
package Box2D.Collision {
public class b2PairCallback {
public function PairRemoved(proxyUserData1, proxyUserData2, pairUserData):void{
}
public function PairAdded(proxyUserData1, proxyUserData2){
return (null);
}
}
}//package Box2D.Collision
Section 30
//b2PairManager (Box2D.Collision.b2PairManager)
package Box2D.Collision {
import Box2D.Common.Math.*;
import Box2D.Common.*;
public class b2PairManager {
public var m_pairCount:int;
public var m_pairBuffer:Array;
public var m_hashTable:Array;
public var m_callback:b2PairCallback;
public var m_pairs:Array;
public var m_pairBufferCount:int;
public var m_broadPhase:b2BroadPhase;
public var m_freePair:uint;
public function b2PairManager(){
var i:uint;
super();
m_hashTable = new Array(b2Pair.b2_tableCapacity);
i = 0;
while (i < b2Pair.b2_tableCapacity) {
m_hashTable[i] = b2Pair.b2_nullPair;
i++;
};
m_pairs = new Array(b2Settings.b2_maxPairs);
i = 0;
while (i < b2Settings.b2_maxPairs) {
m_pairs[i] = new b2Pair();
i++;
};
m_pairBuffer = new Array(b2Settings.b2_maxPairs);
i = 0;
while (i < b2Settings.b2_maxPairs) {
m_pairBuffer[i] = new b2BufferedPair();
i++;
};
i = 0;
while (i < b2Settings.b2_maxPairs) {
m_pairs[i].proxyId1 = b2Pair.b2_nullProxy;
m_pairs[i].proxyId2 = b2Pair.b2_nullProxy;
m_pairs[i].userData = null;
m_pairs[i].status = 0;
m_pairs[i].next = (i + 1);
i++;
};
m_pairs[int((b2Settings.b2_maxPairs - 1))].next = b2Pair.b2_nullPair;
m_pairCount = 0;
m_pairBufferCount = 0;
}
private function FindHash(proxyId1:uint, proxyId2:uint, hash:uint):b2Pair{
var pair:b2Pair;
var index:uint = m_hashTable[hash];
pair = m_pairs[index];
while (((!((index == b2Pair.b2_nullPair))) && ((Equals(pair, proxyId1, proxyId2) == false)))) {
index = pair.next;
pair = m_pairs[index];
};
if (index == b2Pair.b2_nullPair){
return (null);
};
return (pair);
}
private function Find(proxyId1:uint, proxyId2:uint):b2Pair{
var temp:uint;
if (proxyId1 > proxyId2){
temp = proxyId1;
proxyId1 = proxyId2;
proxyId2 = temp;
};
var hash:uint = (Hash(proxyId1, proxyId2) & b2Pair.b2_tableMask);
return (FindHash(proxyId1, proxyId2, hash));
}
private function ValidateBuffer():void{
}
public function Commit():void{
var bufferedPair:b2BufferedPair;
var i:int;
var pair:b2Pair;
var proxy1:b2Proxy;
var proxy2:b2Proxy;
var removeCount:int;
var proxies:Array = m_broadPhase.m_proxyPool;
i = 0;
while (i < m_pairBufferCount) {
bufferedPair = m_pairBuffer[i];
pair = Find(bufferedPair.proxyId1, bufferedPair.proxyId2);
pair.ClearBuffered();
proxy1 = proxies[pair.proxyId1];
proxy2 = proxies[pair.proxyId2];
if (pair.IsRemoved()){
if (pair.IsFinal() == true){
m_callback.PairRemoved(proxy1.userData, proxy2.userData, pair.userData);
};
bufferedPair = m_pairBuffer[removeCount];
bufferedPair.proxyId1 = pair.proxyId1;
bufferedPair.proxyId2 = pair.proxyId2;
removeCount++;
} else {
if (pair.IsFinal() == false){
pair.userData = m_callback.PairAdded(proxy1.userData, proxy2.userData);
pair.SetFinal();
};
};
i++;
};
i = 0;
while (i < removeCount) {
bufferedPair = m_pairBuffer[i];
RemovePair(bufferedPair.proxyId1, bufferedPair.proxyId2);
i++;
};
m_pairBufferCount = 0;
if (b2BroadPhase.s_validate){
ValidateTable();
};
}
public function RemoveBufferedPair(proxyId1:int, proxyId2:int):void{
var bufferedPair:b2BufferedPair;
var pair:b2Pair = Find(proxyId1, proxyId2);
if (pair == null){
return;
};
if (pair.IsBuffered() == false){
pair.SetBuffered();
bufferedPair = m_pairBuffer[m_pairBufferCount];
bufferedPair.proxyId1 = pair.proxyId1;
bufferedPair.proxyId2 = pair.proxyId2;
m_pairBufferCount++;
};
pair.SetRemoved();
if (b2BroadPhase.s_validate){
ValidateBuffer();
};
}
private function RemovePair(proxyId1:uint, proxyId2:uint){
var pair:b2Pair;
var temp:uint;
var index:uint;
var userData:*;
if (proxyId1 > proxyId2){
temp = proxyId1;
proxyId1 = proxyId2;
proxyId2 = temp;
};
var hash:uint = (Hash(proxyId1, proxyId2) & b2Pair.b2_tableMask);
var node:uint = m_hashTable[hash];
var pNode:b2Pair;
while (node != b2Pair.b2_nullPair) {
if (Equals(m_pairs[node], proxyId1, proxyId2)){
index = node;
pair = m_pairs[node];
if (pNode){
pNode.next = pair.next;
} else {
m_hashTable[hash] = pair.next;
};
pair = m_pairs[index];
userData = pair.userData;
pair.next = m_freePair;
pair.proxyId1 = b2Pair.b2_nullProxy;
pair.proxyId2 = b2Pair.b2_nullProxy;
pair.userData = null;
pair.status = 0;
m_freePair = index;
m_pairCount--;
return (userData);
} else {
pNode = m_pairs[node];
node = pNode.next;
};
};
return (null);
}
public function Initialize(broadPhase:b2BroadPhase, callback:b2PairCallback):void{
m_broadPhase = broadPhase;
m_callback = callback;
}
public function AddBufferedPair(proxyId1:int, proxyId2:int):void{
var bufferedPair:b2BufferedPair;
var pair:b2Pair = AddPair(proxyId1, proxyId2);
if (pair.IsBuffered() == false){
pair.SetBuffered();
bufferedPair = m_pairBuffer[m_pairBufferCount];
bufferedPair.proxyId1 = pair.proxyId1;
bufferedPair.proxyId2 = pair.proxyId2;
m_pairBufferCount++;
};
pair.ClearRemoved();
if (b2BroadPhase.s_validate){
ValidateBuffer();
};
}
private function AddPair(proxyId1:uint, proxyId2:uint):b2Pair{
var temp:uint;
if (proxyId1 > proxyId2){
temp = proxyId1;
proxyId1 = proxyId2;
proxyId2 = temp;
};
var hash:uint = (Hash(proxyId1, proxyId2) & b2Pair.b2_tableMask);
var pair = FindHash(proxyId1, proxyId2, hash);
if (pair != null){
return (pair);
};
var pIndex:uint = m_freePair;
pair = m_pairs[pIndex];
m_freePair = pair.next;
pair.proxyId1 = proxyId1;
pair.proxyId2 = proxyId2;
pair.status = 0;
pair.userData = null;
pair.next = m_hashTable[hash];
m_hashTable[hash] = pIndex;
m_pairCount++;
return (pair);
}
private function ValidateTable():void{
}
public static function EqualsPair(pair1:b2BufferedPair, pair2:b2BufferedPair):Boolean{
return ((((pair1.proxyId1 == pair2.proxyId1)) && ((pair1.proxyId2 == pair2.proxyId2))));
}
public static function Hash(proxyId1:uint, proxyId2:uint):uint{
var key:uint = (((proxyId2 << 16) & 4294901760) | proxyId1);
key = (~(key) + ((key << 15) & 4294934528));
key = (key ^ ((key >> 12) & 1048575));
key = (key + ((key << 2) & 4294967292));
key = (key ^ ((key >> 4) & 268435455));
key = (key * 2057);
key = (key ^ ((key >> 16) & 0xFFFF));
return (key);
}
public static function Equals(pair:b2Pair, proxyId1:uint, proxyId2:uint):Boolean{
return ((((pair.proxyId1 == proxyId1)) && ((pair.proxyId2 == proxyId2))));
}
}
}//package Box2D.Collision
Section 31
//b2Point (Box2D.Collision.b2Point)
package Box2D.Collision {
import Box2D.Common.Math.*;
public class b2Point {
public var p:b2Vec2;
public function b2Point(){
p = new b2Vec2();
super();
}
public function GetFirstVertex(xf:b2XForm):b2Vec2{
return (p);
}
public function Support(xf:b2XForm, vX:Number, vY:Number):b2Vec2{
return (p);
}
}
}//package Box2D.Collision
Section 32
//b2Proxy (Box2D.Collision.b2Proxy)
package Box2D.Collision {
public class b2Proxy {
public var overlapCount:uint;
public var userData;// = null
public var lowerBounds:Array;
public var upperBounds:Array;
public var timeStamp:uint;
public function b2Proxy(){
lowerBounds = [uint(0), uint(0)];
upperBounds = [uint(0), uint(0)];
super();
}
public function GetNext():uint{
return (lowerBounds[0]);
}
public function IsValid():Boolean{
return (!((overlapCount == b2BroadPhase.b2_invalid)));
}
public function SetNext(next:uint):void{
lowerBounds[0] = (next & 0xFFFF);
}
}
}//package Box2D.Collision
Section 33
//b2Segment (Box2D.Collision.b2Segment)
package Box2D.Collision {
import Box2D.Common.Math.*;
import Box2D.Common.*;
public class b2Segment {
public var p1:b2Vec2;
public var p2:b2Vec2;
public function b2Segment(){
p1 = new b2Vec2();
p2 = new b2Vec2();
super();
}
public function TestSegment(lambda:Array, normal:b2Vec2, segment:b2Segment, maxLambda:Number):Boolean{
var bX:Number;
var bY:Number;
var a:Number;
var mu2:Number;
var nLen:Number;
var s:b2Vec2 = segment.p1;
var rX:Number = (segment.p2.x - s.x);
var rY:Number = (segment.p2.y - s.y);
var dX:Number = (p2.x - p1.x);
var dY:Number = (p2.y - p1.y);
var nX:Number = dY;
var nY:Number = -(dX);
var k_slop:Number = (100 * Number.MIN_VALUE);
var denom:Number = -(((rX * nX) + (rY * nY)));
if (denom > k_slop){
bX = (s.x - p1.x);
bY = (s.y - p1.y);
a = ((bX * nX) + (bY * nY));
if ((((0 <= a)) && ((a <= (maxLambda * denom))))){
mu2 = ((-(rX) * bY) + (rY * bX));
if (((((-(k_slop) * denom) <= mu2)) && ((mu2 <= (denom * (1 + k_slop)))))){
a = (a / denom);
nLen = Math.sqrt(((nX * nX) + (nY * nY)));
nX = (nX / nLen);
nY = (nY / nLen);
lambda[0] = a;
normal.Set(nX, nY);
return (true);
};
};
};
return (false);
}
}
}//package Box2D.Collision
Section 34
//b2TimeOfImpact (Box2D.Collision.b2TimeOfImpact)
package Box2D.Collision {
import Box2D.Common.Math.*;
import Box2D.Collision.Shapes.*;
import Box2D.Common.*;
public class b2TimeOfImpact {
public static var s_xf1:b2XForm = new b2XForm();
public static var s_xf2:b2XForm = new b2XForm();
public static var s_p1:b2Vec2 = new b2Vec2();
public static var s_p2:b2Vec2 = new b2Vec2();
public static function TimeOfImpact(shape1:b2Shape, sweep1:b2Sweep, shape2:b2Shape, sweep2:b2Sweep):Number{
var math1:Number;
var math2:Number;
var t:Number;
var xf1:b2XForm;
var xf2:b2XForm;
var nLen:Number;
var approachVelocityBound:Number;
var dAlpha:Number;
var newAlpha:Number;
var r1:Number = shape1.m_sweepRadius;
var r2:Number = shape2.m_sweepRadius;
var t0:Number = sweep1.t0;
var v1X:Number = (sweep1.c.x - sweep1.c0.x);
var v1Y:Number = (sweep1.c.y - sweep1.c0.y);
var v2X:Number = (sweep2.c.x - sweep2.c0.x);
var v2Y:Number = (sweep2.c.y - sweep2.c0.y);
var omega1:Number = (sweep1.a - sweep1.a0);
var omega2:Number = (sweep2.a - sweep2.a0);
var alpha:Number = 0;
var p1:b2Vec2 = s_p1;
var p2:b2Vec2 = s_p2;
var k_maxIterations = 20;
var iter:int;
var normalX:Number = 0;
var normalY:Number = 0;
var distance:Number = 0;
var targetDistance:Number = 0;
while (true) {
t = (((1 - alpha) * t0) + alpha);
xf1 = s_xf1;
xf2 = s_xf2;
sweep1.GetXForm(xf1, t);
sweep2.GetXForm(xf2, t);
distance = b2Distance.Distance(p1, p2, shape1, xf1, shape2, xf2);
if (iter == 0){
if (distance > (2 * b2Settings.b2_toiSlop)){
targetDistance = (1.5 * b2Settings.b2_toiSlop);
} else {
math1 = (0.05 * b2Settings.b2_toiSlop);
math2 = (distance - (0.5 * b2Settings.b2_toiSlop));
targetDistance = ((math1 > math2)) ? math1 : math2;
};
};
if (((((distance - targetDistance) < (0.05 * b2Settings.b2_toiSlop))) || ((iter == k_maxIterations)))){
break;
};
normalX = (p2.x - p1.x);
normalY = (p2.y - p1.y);
nLen = Math.sqrt(((normalX * normalX) + (normalY * normalY)));
normalX = (normalX / nLen);
normalY = (normalY / nLen);
approachVelocityBound = ((((normalX * (v1X - v2X)) + (normalY * (v1Y - v2Y))) + (((omega1 < 0)) ? -(omega1) : omega1 * r1)) + (((omega2 < 0)) ? -(omega2) : omega2 * r2));
if (approachVelocityBound == 0){
alpha = 1;
break;
};
dAlpha = ((distance - targetDistance) / approachVelocityBound);
newAlpha = (alpha + dAlpha);
if ((((newAlpha < 0)) || ((1 < newAlpha)))){
alpha = 1;
break;
};
if (newAlpha < ((1 + (100 * Number.MIN_VALUE)) * alpha)){
break;
};
alpha = newAlpha;
iter++;
};
return (alpha);
}
}
}//package Box2D.Collision
Section 35
//ClipVertex (Box2D.Collision.ClipVertex)
package Box2D.Collision {
import Box2D.Common.Math.*;
public class ClipVertex {
public var id:b2ContactID;
public var v:b2Vec2;
public function ClipVertex(){
v = new b2Vec2();
id = new b2ContactID();
super();
}
}
}//package Box2D.Collision
Section 36
//Features (Box2D.Collision.Features)
package Box2D.Collision {
public class Features {
public var _referenceEdge:int;
public var _incidentEdge:int;
public var _flip:int;
public var _incidentVertex:int;
public var _m_id:b2ContactID;
public function get referenceEdge():int{
return (_referenceEdge);
}
public function set incidentVertex(value:int):void{
_incidentVertex = value;
_m_id._key = ((_m_id._key & 4278255615) | ((_incidentVertex << 16) & 0xFF0000));
}
public function get flip():int{
return (_flip);
}
public function get incidentEdge():int{
return (_incidentEdge);
}
public function set referenceEdge(value:int):void{
_referenceEdge = value;
_m_id._key = ((_m_id._key & 4294967040) | (_referenceEdge & 0xFF));
}
public function get incidentVertex():int{
return (_incidentVertex);
}
public function set flip(value:int):void{
_flip = value;
_m_id._key = ((_m_id._key & 0xFFFFFF) | ((_flip << 24) & 4278190080));
}
public function set incidentEdge(value:int):void{
_incidentEdge = value;
_m_id._key = ((_m_id._key & 4294902015) | ((_incidentEdge << 8) & 0xFF00));
}
}
}//package Box2D.Collision
Section 37
//b2Mat22 (Box2D.Common.Math.b2Mat22)
package Box2D.Common.Math {
public class b2Mat22 {
public var col1:b2Vec2;
public var col2:b2Vec2;
public function b2Mat22(angle:Number=0, c1:b2Vec2=null, c2:b2Vec2=null){
var c:Number;
var s:Number;
col1 = new b2Vec2();
col2 = new b2Vec2();
super();
if (((!((c1 == null))) && (!((c2 == null))))){
col1.SetV(c1);
col2.SetV(c2);
} else {
c = Math.cos(angle);
s = Math.sin(angle);
col1.x = c;
col2.x = -(s);
col1.y = s;
col2.y = c;
};
}
public function SetIdentity():void{
col1.x = 1;
col2.x = 0;
col1.y = 0;
col2.y = 1;
}
public function SetVV(c1:b2Vec2, c2:b2Vec2):void{
col1.SetV(c1);
col2.SetV(c2);
}
public function Set(angle:Number):void{
var c:Number;
c = Math.cos(angle);
var s:Number = Math.sin(angle);
col1.x = c;
col2.x = -(s);
col1.y = s;
col2.y = c;
}
public function SetZero():void{
col1.x = 0;
col2.x = 0;
col1.y = 0;
col2.y = 0;
}
public function SetM(m:b2Mat22):void{
col1.SetV(m.col1);
col2.SetV(m.col2);
}
public function AddM(m:b2Mat22):void{
col1.x = (col1.x + m.col1.x);
col1.y = (col1.y + m.col1.y);
col2.x = (col2.x + m.col2.x);
col2.y = (col2.y + m.col2.y);
}
public function Abs():void{
col1.Abs();
col2.Abs();
}
public function Copy():b2Mat22{
return (new b2Mat22(0, col1, col2));
}
public function Invert(out:b2Mat22):b2Mat22{
var a:Number;
var c:Number;
var det:Number;
a = col1.x;
var b:Number = col2.x;
c = col1.y;
var d:Number = col2.y;
det = ((a * d) - (b * c));
det = (1 / det);
out.col1.x = (det * d);
out.col2.x = (-(det) * b);
out.col1.y = (-(det) * c);
out.col2.y = (det * a);
return (out);
}
public function GetAngle():Number{
return (Math.atan2(col1.y, col1.x));
}
public function Solve(out:b2Vec2, bX:Number, bY:Number):b2Vec2{
var a11:Number = col1.x;
var a12:Number = col2.x;
var a21:Number = col1.y;
var a22:Number = col2.y;
var det:Number = ((a11 * a22) - (a12 * a21));
det = (1 / det);
out.x = (det * ((a22 * bX) - (a12 * bY)));
out.y = (det * ((a11 * bY) - (a21 * bX)));
return (out);
}
}
}//package Box2D.Common.Math
Section 38
//b2Math (Box2D.Common.Math.b2Math)
package Box2D.Common.Math {
public class b2Math {
public static const b2Mat22_identity:b2Mat22 = new b2Mat22(0, new b2Vec2(1, 0), new b2Vec2(0, 1));
public static const b2XForm_identity:b2XForm = new b2XForm(b2Vec2_zero, b2Mat22_identity);
public static const b2Vec2_zero:b2Vec2 = new b2Vec2(0, 0);
public static function b2CrossVF(a:b2Vec2, s:Number):b2Vec2{
var v:b2Vec2 = new b2Vec2((s * a.y), (-(s) * a.x));
return (v);
}
public static function AddVV(a:b2Vec2, b:b2Vec2):b2Vec2{
var v:b2Vec2 = new b2Vec2((a.x + b.x), (a.y + b.y));
return (v);
}
public static function b2IsValid(x:Number):Boolean{
return (isFinite(x));
}
public static function b2MinV(a:b2Vec2, b:b2Vec2):b2Vec2{
var c:b2Vec2 = new b2Vec2(b2Min(a.x, b.x), b2Min(a.y, b.y));
return (c);
}
public static function b2MulX(T:b2XForm, v:b2Vec2):b2Vec2{
var a:b2Vec2;
a = b2MulMV(T.R, v);
a.x = (a.x + T.position.x);
a.y = (a.y + T.position.y);
return (a);
}
public static function b2DistanceSquared(a:b2Vec2, b:b2Vec2):Number{
var cX:Number = (a.x - b.x);
var cY:Number = (a.y - b.y);
return (((cX * cX) + (cY * cY)));
}
public static function b2Swap(a:Array, b:Array):void{
var tmp:* = a[0];
a[0] = b[0];
b[0] = tmp;
}
public static function b2AbsM(A:b2Mat22):b2Mat22{
var B:b2Mat22 = new b2Mat22(0, b2AbsV(A.col1), b2AbsV(A.col2));
return (B);
}
public static function SubtractVV(a:b2Vec2, b:b2Vec2):b2Vec2{
var v:b2Vec2 = new b2Vec2((a.x - b.x), (a.y - b.y));
return (v);
}
public static function b2MulXT(T:b2XForm, v:b2Vec2):b2Vec2{
var a:b2Vec2;
var tX:Number;
a = SubtractVV(v, T.position);
tX = ((a.x * T.R.col1.x) + (a.y * T.R.col1.y));
a.y = ((a.x * T.R.col2.x) + (a.y * T.R.col2.y));
a.x = tX;
return (a);
}
public static function b2Abs(a:Number):Number{
return (((a > 0)) ? a : -(a));
}
public static function b2Clamp(a:Number, low:Number, high:Number):Number{
return (b2Max(low, b2Min(a, high)));
}
public static function b2AbsV(a:b2Vec2):b2Vec2{
var b:b2Vec2 = new b2Vec2(b2Abs(a.x), b2Abs(a.y));
return (b);
}
public static function MulFV(s:Number, a:b2Vec2):b2Vec2{
var v:b2Vec2 = new b2Vec2((s * a.x), (s * a.y));
return (v);
}
public static function b2CrossVV(a:b2Vec2, b:b2Vec2):Number{
return (((a.x * b.y) - (a.y * b.x)));
}
public static function b2Dot(a:b2Vec2, b:b2Vec2):Number{
return (((a.x * b.x) + (a.y * b.y)));
}
public static function b2CrossFV(s:Number, a:b2Vec2):b2Vec2{
var v:b2Vec2 = new b2Vec2((-(s) * a.y), (s * a.x));
return (v);
}
public static function AddMM(A:b2Mat22, B:b2Mat22):b2Mat22{
var C:b2Mat22 = new b2Mat22(0, AddVV(A.col1, B.col1), AddVV(A.col2, B.col2));
return (C);
}
public static function b2Distance(a:b2Vec2, b:b2Vec2):Number{
var cX:Number = (a.x - b.x);
var cY:Number = (a.y - b.y);
return (Math.sqrt(((cX * cX) + (cY * cY))));
}
public static function b2MulTMM(A:b2Mat22, B:b2Mat22):b2Mat22{
var c1:b2Vec2 = new b2Vec2(b2Dot(A.col1, B.col1), b2Dot(A.col2, B.col1));
var c2:b2Vec2 = new b2Vec2(b2Dot(A.col1, B.col2), b2Dot(A.col2, B.col2));
var C:b2Mat22 = new b2Mat22(0, c1, c2);
return (C);
}
public static function b2MaxV(a:b2Vec2, b:b2Vec2):b2Vec2{
var c:b2Vec2 = new b2Vec2(b2Max(a.x, b.x), b2Max(a.y, b.y));
return (c);
}
public static function b2IsPowerOfTwo(x:uint):Boolean{
var result:Boolean = (((x > 0)) && (((x & (x - 1)) == 0)));
return (result);
}
public static function b2ClampV(a:b2Vec2, low:b2Vec2, high:b2Vec2):b2Vec2{
return (b2MaxV(low, b2MinV(a, high)));
}
public static function b2RandomRange(lo:Number, hi:Number):Number{
var r:Number = Math.random();
r = (((hi - lo) * r) + lo);
return (r);
}
public static function b2MulTMV(A:b2Mat22, v:b2Vec2):b2Vec2{
var u:b2Vec2 = new b2Vec2(b2Dot(v, A.col1), b2Dot(v, A.col2));
return (u);
}
public static function b2Min(a:Number, b:Number):Number{
return (((a < b)) ? a : b);
}
public static function b2Random():Number{
return (((Math.random() * 2) - 1));
}
public static function b2MulMM(A:b2Mat22, B:b2Mat22):b2Mat22{
var C:b2Mat22 = new b2Mat22(0, b2MulMV(A, B.col1), b2MulMV(A, B.col2));
return (C);
}
public static function b2NextPowerOfTwo(x:uint):uint{
x = (x | ((x >> 1) & 2147483647));
x = (x | ((x >> 2) & 1073741823));
x = (x | ((x >> 4) & 268435455));
x = (x | ((x >> 8) & 0xFFFFFF));
x = (x | ((x >> 16) & 0xFFFF));
return ((x + 1));
}
public static function b2Max(a:Number, b:Number):Number{
return (((a > b)) ? a : b);
}
public static function b2MulMV(A:b2Mat22, v:b2Vec2):b2Vec2{
var u:b2Vec2 = new b2Vec2(((A.col1.x * v.x) + (A.col2.x * v.y)), ((A.col1.y * v.x) + (A.col2.y * v.y)));
return (u);
}
}
}//package Box2D.Common.Math
Section 39
//b2Sweep (Box2D.Common.Math.b2Sweep)
package Box2D.Common.Math {
public class b2Sweep {
public var localCenter:b2Vec2;
public var a:Number;
public var c:b2Vec2;
public var a0:Number;
public var c0:b2Vec2;
public var t0:Number;
public function b2Sweep(){
localCenter = new b2Vec2();
c0 = new b2Vec2();
c = new b2Vec2();
super();
}
public function Advance(t:Number):void{
var alpha:Number;
if ((((t0 < t)) && (((1 - t0) > Number.MIN_VALUE)))){
alpha = ((t - t0) / (1 - t0));
c0.x = (((1 - alpha) * c0.x) + (alpha * c.x));
c0.y = (((1 - alpha) * c0.y) + (alpha * c.y));
a0 = (((1 - alpha) * a0) + (alpha * a));
t0 = t;
};
}
public function GetXForm(xf:b2XForm, t:Number):void{
var alpha:Number;
var angle:Number;
if ((1 - t0) > Number.MIN_VALUE){
alpha = ((t - t0) / (1 - t0));
xf.position.x = (((1 - alpha) * c0.x) + (alpha * c.x));
xf.position.y = (((1 - alpha) * c0.y) + (alpha * c.y));
angle = (((1 - alpha) * a0) + (alpha * a));
xf.R.Set(angle);
} else {
xf.position.SetV(c);
xf.R.Set(a);
};
var tMat:b2Mat22 = xf.R;
xf.position.x = (xf.position.x - ((tMat.col1.x * localCenter.x) + (tMat.col2.x * localCenter.y)));
xf.position.y = (xf.position.y - ((tMat.col1.y * localCenter.x) + (tMat.col2.y * localCenter.y)));
}
}
}//package Box2D.Common.Math
Section 40
//b2Vec2 (Box2D.Common.Math.b2Vec2)
package Box2D.Common.Math {
public class b2Vec2 {
public var y:Number;
public var x:Number;
public function b2Vec2(x_:Number=0, y_:Number=0):void{
super();
x = x_;
y = y_;
}
public function Add(v:b2Vec2):void{
x = (x + v.x);
y = (y + v.y);
}
public function Set(x_:Number=0, y_:Number=0):void{
x = x_;
y = y_;
}
public function Multiply(a:Number):void{
x = (x * a);
y = (y * a);
}
public function Length():Number{
return (Math.sqrt(((x * x) + (y * y))));
}
public function LengthSquared():Number{
return (((x * x) + (y * y)));
}
public function MulM(A:b2Mat22):void{
var tX:Number = x;
x = ((A.col1.x * tX) + (A.col2.x * y));
y = ((A.col1.y * tX) + (A.col2.y * y));
}
public function SetZero():void{
x = 0;
y = 0;
}
public function MinV(b:b2Vec2):void{
x = ((x < b.x)) ? x : b.x;
y = ((y < b.y)) ? y : b.y;
}
public function Normalize():Number{
var length:Number = Math.sqrt(((x * x) + (y * y)));
if (length < Number.MIN_VALUE){
return (0);
};
var invLength:Number = (1 / length);
x = (x * invLength);
y = (y * invLength);
return (length);
}
public function CrossVF(s:Number):void{
var tX:Number = x;
x = (s * y);
y = (-(s) * tX);
}
public function MaxV(b:b2Vec2):void{
x = ((x > b.x)) ? x : b.x;
y = ((y > b.y)) ? y : b.y;
}
public function SetV(v:b2Vec2):void{
x = v.x;
y = v.y;
}
public function Negative():b2Vec2{
return (new b2Vec2(-(x), -(y)));
}
public function CrossFV(s:Number):void{
var tX:Number = x;
x = (-(s) * y);
y = (s * tX);
}
public function Abs():void{
if (x < 0){
x = -(x);
};
if (y < 0){
y = -(y);
};
}
public function Subtract(v:b2Vec2):void{
x = (x - v.x);
y = (y - v.y);
}
public function Copy():b2Vec2{
return (new b2Vec2(x, y));
}
public function MulTM(A:b2Mat22):void{
var tX:Number = b2Math.b2Dot(this, A.col1);
y = b2Math.b2Dot(this, A.col2);
x = tX;
}
public function IsValid():Boolean{
return (((b2Math.b2IsValid(x)) && (b2Math.b2IsValid(y))));
}
public static function Make(x_:Number, y_:Number):b2Vec2{
return (new b2Vec2(x_, y_));
}
}
}//package Box2D.Common.Math
Section 41
//b2XForm (Box2D.Common.Math.b2XForm)
package Box2D.Common.Math {
public class b2XForm {
public var position:b2Vec2;
public var R:b2Mat22;
public function b2XForm(pos:b2Vec2=null, r:b2Mat22=null):void{
position = new b2Vec2();
R = new b2Mat22();
super();
if (pos){
position.SetV(pos);
R.SetM(r);
};
}
public function Initialize(pos:b2Vec2, r:b2Mat22):void{
position.SetV(pos);
R.SetM(r);
}
public function Set(x:b2XForm):void{
position.SetV(x.position);
R.SetM(x.R);
}
public function SetIdentity():void{
position.SetZero();
R.SetIdentity();
}
}
}//package Box2D.Common.Math
Section 42
//b2Color (Box2D.Common.b2Color)
package Box2D.Common {
import Box2D.Common.Math.*;
public class b2Color {
private var _r:uint;// = 0
private var _g:uint;// = 0
private var _b:uint;// = 0
public function b2Color(rr:Number, gg:Number, bb:Number){
super();
_r = uint((0xFF * b2Math.b2Clamp(rr, 0, 1)));
_g = uint((0xFF * b2Math.b2Clamp(gg, 0, 1)));
_b = uint((0xFF * b2Math.b2Clamp(bb, 0, 1)));
}
public function Set(rr:Number, gg:Number, bb:Number):void{
_r = uint((0xFF * b2Math.b2Clamp(rr, 0, 1)));
_g = uint((0xFF * b2Math.b2Clamp(gg, 0, 1)));
_b = uint((0xFF * b2Math.b2Clamp(bb, 0, 1)));
}
public function set b(bb:Number):void{
_b = uint((0xFF * b2Math.b2Clamp(bb, 0, 1)));
}
public function get color():uint{
return (((_r | (_g << 8)) | (_b << 16)));
}
public function set r(rr:Number):void{
_r = uint((0xFF * b2Math.b2Clamp(rr, 0, 1)));
}
public function set g(gg:Number):void{
_g = uint((0xFF * b2Math.b2Clamp(gg, 0, 1)));
}
}
}//package Box2D.Common
Section 43
//b2Settings (Box2D.Common.b2Settings)
package Box2D.Common {
import Box2D.Common.Math.*;
public class b2Settings {
public static const b2_angularSleepTolerance:Number = 0.0111111111111111;
public static const b2_linearSleepTolerance:Number = 0.01;
public static const b2_angularSlop:Number = 0.0349065850398866;
public static const b2_linearSlop:Number = 0.005;
public static const b2_pi:Number = 3.14159265358979;
public static const b2_maxProxies:int = 0x0200;
public static const b2_maxAngularVelocitySquared:Number = 62500;
public static const b2_maxPolygonVertices:int = 8;
public static const b2_velocityThreshold:Number = 1;
public static const b2_contactBaumgarte:Number = 0.2;
public static const b2_maxPairs:int = 4096;
public static const b2_maxTOIContactsPerIsland:int = 32;
public static const b2_timeToSleep:Number = 0.5;
public static const b2_maxManifoldPoints:int = 2;
public static const b2_maxAngularVelocity:Number = 250;
public static const b2_maxAngularCorrection:Number = 0.139626340159546;
public static const USHRT_MAX:int = 0xFFFF;
public static const b2_maxLinearVelocity:Number = 200;
public static const b2_maxLinearCorrection:Number = 0.2;
public static const b2_toiSlop:Number = 0.04;
public static const b2_maxLinearVelocitySquared:Number = 40000;
public static function b2Assert(a:Boolean):void{
var nullVec:b2Vec2;
if (!a){
nullVec.x++;
};
}
}
}//package Box2D.Common
Section 44
//b2CircleContact (Box2D.Dynamics.Contacts.b2CircleContact)
package Box2D.Dynamics.Contacts {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import Box2D.Collision.Shapes.*;
import Box2D.Common.*;
public class b2CircleContact extends b2Contact {
private var m_manifolds:Array;
public var m_manifold:b2Manifold;
private var m0:b2Manifold;
private static const s_evalCP:b2ContactPoint = new b2ContactPoint();
public function b2CircleContact(shape1:b2Shape, shape2:b2Shape){
m_manifolds = [new b2Manifold()];
m0 = new b2Manifold();
super(shape1, shape2);
m_manifold = m_manifolds[0];
m_manifold.pointCount = 0;
var point:b2ManifoldPoint = m_manifold.points[0];
point.normalImpulse = 0;
point.tangentImpulse = 0;
}
override public function Evaluate(listener:b2ContactListener):void{
var v1:b2Vec2;
var v2:b2Vec2;
var mp0:b2ManifoldPoint;
var mp:b2ManifoldPoint;
var b1:b2Body = m_shape1.m_body;
var b2:b2Body = m_shape2.m_body;
m0.Set(m_manifold);
b2Collision.b2CollideCircles(m_manifold, (m_shape1 as b2CircleShape), b1.m_xf, (m_shape2 as b2CircleShape), b2.m_xf);
var cp:b2ContactPoint = s_evalCP;
cp.shape1 = m_shape1;
cp.shape2 = m_shape2;
cp.friction = m_friction;
cp.restitution = m_restitution;
if (m_manifold.pointCount > 0){
m_manifoldCount = 1;
mp = m_manifold.points[0];
if (m0.pointCount == 0){
mp.normalImpulse = 0;
mp.tangentImpulse = 0;
if (listener){
cp.position = b1.GetWorldPoint(mp.localPoint1);
v1 = b1.GetLinearVelocityFromLocalPoint(mp.localPoint1);
v2 = b2.GetLinearVelocityFromLocalPoint(mp.localPoint2);
cp.velocity.Set((v2.x - v1.x), (v2.y - v1.y));
cp.normal.SetV(m_manifold.normal);
cp.separation = mp.separation;
cp.id.key = mp.id._key;
listener.Add(cp);
};
} else {
mp0 = m0.points[0];
mp.normalImpulse = mp0.normalImpulse;
mp.tangentImpulse = mp0.tangentImpulse;
if (listener){
cp.position = b1.GetWorldPoint(mp.localPoint1);
v1 = b1.GetLinearVelocityFromLocalPoint(mp.localPoint1);
v2 = b2.GetLinearVelocityFromLocalPoint(mp.localPoint2);
cp.velocity.Set((v2.x - v1.x), (v2.y - v1.y));
cp.normal.SetV(m_manifold.normal);
cp.separation = mp.separation;
cp.id.key = mp.id._key;
listener.Persist(cp);
};
};
} else {
m_manifoldCount = 0;
if ((((m0.pointCount > 0)) && (listener))){
mp0 = m0.points[0];
cp.position = b1.GetWorldPoint(mp0.localPoint1);
v1 = b1.GetLinearVelocityFromLocalPoint(mp0.localPoint1);
v2 = b2.GetLinearVelocityFromLocalPoint(mp0.localPoint2);
cp.velocity.Set((v2.x - v1.x), (v2.y - v1.y));
cp.normal.SetV(m0.normal);
cp.separation = mp0.separation;
cp.id.key = mp0.id._key;
listener.Remove(cp);
};
};
}
override public function GetManifolds():Array{
return (m_manifolds);
}
public static function Destroy(contact:b2Contact, allocator):void{
}
public static function Create(shape1:b2Shape, shape2:b2Shape, allocator):b2Contact{
return (new b2CircleContact(shape1, shape2));
}
}
}//package Box2D.Dynamics.Contacts
Section 45
//b2Contact (Box2D.Dynamics.Contacts.b2Contact)
package Box2D.Dynamics.Contacts {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import Box2D.Collision.Shapes.*;
import Box2D.Common.*;
public class b2Contact {
public var m_shape1:b2Shape;
public var m_shape2:b2Shape;
public var m_prev:b2Contact;
public var m_toi:Number;
public var m_next:b2Contact;
public var m_friction:Number;
public var m_manifoldCount:int;
public var m_node1:b2ContactEdge;
public var m_node2:b2ContactEdge;
public var m_restitution:Number;
public var m_flags:uint;
public static var e_toiFlag:uint = 8;
public static var e_nonSolidFlag:uint = 1;
public static var e_slowFlag:uint = 2;
public static var e_islandFlag:uint = 4;
public static var s_registers:Array;
public static var s_initialized:Boolean = false;
public function b2Contact(s1:b2Shape=null, s2:b2Shape=null){
m_node1 = new b2ContactEdge();
m_node2 = new b2ContactEdge();
super();
m_flags = 0;
if (((!(s1)) || (!(s2)))){
m_shape1 = null;
m_shape2 = null;
return;
};
if (((s1.IsSensor()) || (s2.IsSensor()))){
m_flags = (m_flags | e_nonSolidFlag);
};
m_shape1 = s1;
m_shape2 = s2;
m_manifoldCount = 0;
m_friction = Math.sqrt((m_shape1.m_friction * m_shape2.m_friction));
m_restitution = b2Math.b2Max(m_shape1.m_restitution, m_shape2.m_restitution);
m_prev = null;
m_next = null;
m_node1.contact = null;
m_node1.prev = null;
m_node1.next = null;
m_node1.other = null;
m_node2.contact = null;
m_node2.prev = null;
m_node2.next = null;
m_node2.other = null;
}
public function IsSolid():Boolean{
return (((m_flags & e_nonSolidFlag) == 0));
}
public function GetShape1():b2Shape{
return (m_shape1);
}
public function GetShape2():b2Shape{
return (m_shape2);
}
public function GetNext():b2Contact{
return (m_next);
}
public function GetManifoldCount():int{
return (m_manifoldCount);
}
public function GetManifolds():Array{
return (null);
}
public function Update(listener:b2ContactListener):void{
var oldCount:int = m_manifoldCount;
Evaluate(listener);
var newCount:int = m_manifoldCount;
var body1:b2Body = m_shape1.m_body;
var body2:b2Body = m_shape2.m_body;
if ((((newCount == 0)) && ((oldCount > 0)))){
body1.WakeUp();
body2.WakeUp();
};
if (((((((body1.IsStatic()) || (body1.IsBullet()))) || (body2.IsStatic()))) || (body2.IsBullet()))){
m_flags = (m_flags & ~(e_slowFlag));
} else {
m_flags = (m_flags | e_slowFlag);
};
}
public function Evaluate(listener:b2ContactListener):void{
}
public static function InitializeRegisters():void{
var j:int;
s_registers = new Array(b2Shape.e_shapeTypeCount);
var i:int;
while (i < b2Shape.e_shapeTypeCount) {
s_registers[i] = new Array(b2Shape.e_shapeTypeCount);
j = 0;
while (j < b2Shape.e_shapeTypeCount) {
s_registers[i][j] = new b2ContactRegister();
j++;
};
i++;
};
AddType(b2CircleContact.Create, b2CircleContact.Destroy, b2Shape.e_circleShape, b2Shape.e_circleShape);
AddType(b2PolyAndCircleContact.Create, b2PolyAndCircleContact.Destroy, b2Shape.e_polygonShape, b2Shape.e_circleShape);
AddType(b2PolygonContact.Create, b2PolygonContact.Destroy, b2Shape.e_polygonShape, b2Shape.e_polygonShape);
}
public static function Destroy(contact:b2Contact, allocator):void{
if (contact.m_manifoldCount > 0){
contact.m_shape1.m_body.WakeUp();
contact.m_shape2.m_body.WakeUp();
};
var type1:int = contact.m_shape1.m_type;
var type2:int = contact.m_shape2.m_type;
var reg:b2ContactRegister = s_registers[type1][type2];
var destroyFcn:Function = reg.destroyFcn;
destroyFcn(contact, allocator);
}
public static function AddType(createFcn:Function, destroyFcn:Function, type1:int, type2:int):void{
s_registers[type1][type2].createFcn = createFcn;
s_registers[type1][type2].destroyFcn = destroyFcn;
s_registers[type1][type2].primary = true;
if (type1 != type2){
s_registers[type2][type1].createFcn = createFcn;
s_registers[type2][type1].destroyFcn = destroyFcn;
s_registers[type2][type1].primary = false;
};
}
public static function Create(shape1:b2Shape, shape2:b2Shape, allocator):b2Contact{
var c:b2Contact;
var i:int;
var m:b2Manifold;
if (s_initialized == false){
InitializeRegisters();
s_initialized = true;
};
var type1:int = shape1.m_type;
var type2:int = shape2.m_type;
var reg:b2ContactRegister = s_registers[type1][type2];
var createFcn:Function = reg.createFcn;
if (createFcn != null){
if (reg.primary){
return (createFcn(shape1, shape2, allocator));
};
c = createFcn(shape2, shape1, allocator);
i = 0;
while (i < c.m_manifoldCount) {
m = c.GetManifolds()[i];
m.normal = m.normal.Negative();
i++;
};
return (c);
//unresolved jump
};
return (null);
}
}
}//package Box2D.Dynamics.Contacts
Section 46
//b2ContactConstraint (Box2D.Dynamics.Contacts.b2ContactConstraint)
package Box2D.Dynamics.Contacts {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import Box2D.Common.*;
public class b2ContactConstraint {
public var points:Array;
public var normal:b2Vec2;
public var restitution:Number;
public var body1:b2Body;
public var manifold:b2Manifold;
public var body2:b2Body;
public var friction:Number;
public var pointCount:int;
public function b2ContactConstraint(){
normal = new b2Vec2();
super();
points = new Array(b2Settings.b2_maxManifoldPoints);
var i:int;
while (i < b2Settings.b2_maxManifoldPoints) {
points[i] = new b2ContactConstraintPoint();
i++;
};
}
}
}//package Box2D.Dynamics.Contacts
Section 47
//b2ContactConstraintPoint (Box2D.Dynamics.Contacts.b2ContactConstraintPoint)
package Box2D.Dynamics.Contacts {
import Box2D.Common.Math.*;
public class b2ContactConstraintPoint {
public var r2:b2Vec2;
public var separation:Number;
public var positionImpulse:Number;
public var normalImpulse:Number;
public var tangentMass:Number;
public var equalizedMass:Number;
public var tangentImpulse:Number;
public var localAnchor1:b2Vec2;
public var localAnchor2:b2Vec2;
public var normalMass:Number;
public var velocityBias:Number;
public var r1:b2Vec2;
public function b2ContactConstraintPoint(){
localAnchor1 = new b2Vec2();
localAnchor2 = new b2Vec2();
r1 = new b2Vec2();
r2 = new b2Vec2();
super();
}
}
}//package Box2D.Dynamics.Contacts
Section 48
//b2ContactEdge (Box2D.Dynamics.Contacts.b2ContactEdge)
package Box2D.Dynamics.Contacts {
import Box2D.Dynamics.*;
public class b2ContactEdge {
public var other:b2Body;
public var prev:b2ContactEdge;
public var contact:b2Contact;
public var next:b2ContactEdge;
}
}//package Box2D.Dynamics.Contacts
Section 49
//b2ContactRegister (Box2D.Dynamics.Contacts.b2ContactRegister)
package Box2D.Dynamics.Contacts {
public class b2ContactRegister {
public var primary:Boolean;
public var createFcn:Function;
public var destroyFcn:Function;
}
}//package Box2D.Dynamics.Contacts
Section 50
//b2ContactResult (Box2D.Dynamics.Contacts.b2ContactResult)
package Box2D.Dynamics.Contacts {
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import Box2D.Collision.Shapes.*;
public class b2ContactResult {
public var position:b2Vec2;
public var shape1:b2Shape;
public var shape2:b2Shape;
public var normalImpulse:Number;
public var normal:b2Vec2;
public var tangentImpulse:Number;
public var id:b2ContactID;
public function b2ContactResult(){
position = new b2Vec2();
normal = new b2Vec2();
id = new b2ContactID();
super();
}
}
}//package Box2D.Dynamics.Contacts
Section 51
//b2ContactSolver (Box2D.Dynamics.Contacts.b2ContactSolver)
package Box2D.Dynamics.Contacts {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import Box2D.Common.*;
public class b2ContactSolver {
public var m_constraintCount:int;
public var m_constraints:Array;
public var m_allocator;
public var m_step:b2TimeStep;
public function b2ContactSolver(step:b2TimeStep, contacts:Array, contactCount:int, allocator){
var contact:b2Contact;
var i:int;
var tVec:b2Vec2;
var tMat:b2Mat22;
var b1:b2Body;
var b2:b2Body;
var manifoldCount:int;
var manifolds:Array;
var friction:Number;
var restitution:Number;
var v1X:Number;
var v1Y:Number;
var v2X:Number;
var v2Y:Number;
var w1:Number;
var w2:Number;
var j:int;
var manifold:b2Manifold;
var normalX:Number;
var normalY:Number;
var c:b2ContactConstraint;
var k:uint;
var cp:b2ManifoldPoint;
var ccp:b2ContactConstraintPoint;
var tX:Number;
var tY:Number;
var r1X:Number;
var r1Y:Number;
var r2X:Number;
var r2Y:Number;
var r1Sqr:Number;
var r2Sqr:Number;
var rn1:Number;
var rn2:Number;
var kNormal:Number;
var kEqualized:Number;
var tangentX:Number;
var tangentY:Number;
var rt1:Number;
var rt2:Number;
var kTangent:Number;
var vRel:Number;
m_step = new b2TimeStep();
m_constraints = new Array();
super();
m_step.dt = step.dt;
m_step.inv_dt = step.inv_dt;
m_step.maxIterations = step.maxIterations;
m_allocator = allocator;
m_constraintCount = 0;
i = 0;
while (i < contactCount) {
contact = contacts[i];
m_constraintCount = (m_constraintCount + contact.m_manifoldCount);
i++;
};
i = 0;
while (i < m_constraintCount) {
m_constraints[i] = new b2ContactConstraint();
i++;
};
var count:int;
i = 0;
while (i < contactCount) {
contact = contacts[i];
b1 = contact.m_shape1.m_body;
b2 = contact.m_shape2.m_body;
manifoldCount = contact.m_manifoldCount;
manifolds = contact.GetManifolds();
friction = contact.m_friction;
restitution = contact.m_restitution;
v1X = b1.m_linearVelocity.x;
v1Y = b1.m_linearVelocity.y;
v2X = b2.m_linearVelocity.x;
v2Y = b2.m_linearVelocity.y;
w1 = b1.m_angularVelocity;
w2 = b2.m_angularVelocity;
j = 0;
while (j < manifoldCount) {
manifold = manifolds[j];
normalX = manifold.normal.x;
normalY = manifold.normal.y;
c = m_constraints[count];
c.body1 = b1;
c.body2 = b2;
c.manifold = manifold;
c.normal.x = normalX;
c.normal.y = normalY;
c.pointCount = manifold.pointCount;
c.friction = friction;
c.restitution = restitution;
k = 0;
while (k < c.pointCount) {
cp = manifold.points[k];
ccp = c.points[k];
ccp.normalImpulse = cp.normalImpulse;
ccp.tangentImpulse = cp.tangentImpulse;
ccp.separation = cp.separation;
ccp.positionImpulse = 0;
ccp.localAnchor1.SetV(cp.localPoint1);
ccp.localAnchor2.SetV(cp.localPoint2);
tMat = b1.m_xf.R;
r1X = (cp.localPoint1.x - b1.m_sweep.localCenter.x);
r1Y = (cp.localPoint1.y - b1.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
ccp.r1.Set(r1X, r1Y);
tMat = b2.m_xf.R;
r2X = (cp.localPoint2.x - b2.m_sweep.localCenter.x);
r2Y = (cp.localPoint2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
ccp.r2.Set(r2X, r2Y);
r1Sqr = ((r1X * r1X) + (r1Y * r1Y));
r2Sqr = ((r2X * r2X) + (r2Y * r2Y));
rn1 = ((r1X * normalX) + (r1Y * normalY));
rn2 = ((r2X * normalX) + (r2Y * normalY));
kNormal = (b1.m_invMass + b2.m_invMass);
kNormal = (kNormal + ((b1.m_invI * (r1Sqr - (rn1 * rn1))) + (b2.m_invI * (r2Sqr - (rn2 * rn2)))));
ccp.normalMass = (1 / kNormal);
kEqualized = ((b1.m_mass * b1.m_invMass) + (b2.m_mass * b2.m_invMass));
kEqualized = (kEqualized + (((b1.m_mass * b1.m_invI) * (r1Sqr - (rn1 * rn1))) + ((b2.m_mass * b2.m_invI) * (r2Sqr - (rn2 * rn2)))));
ccp.equalizedMass = (1 / kEqualized);
tangentX = normalY;
tangentY = -(normalX);
rt1 = ((r1X * tangentX) + (r1Y * tangentY));
rt2 = ((r2X * tangentX) + (r2Y * tangentY));
kTangent = (b1.m_invMass + b2.m_invMass);
kTangent = (kTangent + ((b1.m_invI * (r1Sqr - (rt1 * rt1))) + (b2.m_invI * (r2Sqr - (rt2 * rt2)))));
ccp.tangentMass = (1 / kTangent);
ccp.velocityBias = 0;
if (ccp.separation > 0){
ccp.velocityBias = (-60 * ccp.separation);
};
tX = (((v2X + (-(w2) * r2Y)) - v1X) - (-(w1) * r1Y));
tY = (((v2Y + (w2 * r2X)) - v1Y) - (w1 * r1X));
vRel = ((c.normal.x * tX) + (c.normal.y * tY));
if (vRel < -(b2Settings.b2_velocityThreshold)){
ccp.velocityBias = (ccp.velocityBias + (-(c.restitution) * vRel));
};
k++;
};
count++;
j++;
};
i++;
};
}
public function InitVelocityConstraints(step:b2TimeStep):void{
var tVec:b2Vec2;
var tVec2:b2Vec2;
var tMat:b2Mat22;
var c:b2ContactConstraint;
var b1:b2Body;
var b2:b2Body;
var invMass1:Number;
var invI1:Number;
var invMass2:Number;
var invI2:Number;
var normalX:Number;
var normalY:Number;
var tangentX:Number;
var tangentY:Number;
var tX:Number;
var j:int;
var tCount:int;
var ccp:b2ContactConstraintPoint;
var PX:Number;
var PY:Number;
var ccp2:b2ContactConstraintPoint;
var i:int;
while (i < m_constraintCount) {
c = m_constraints[i];
b1 = c.body1;
b2 = c.body2;
invMass1 = b1.m_invMass;
invI1 = b1.m_invI;
invMass2 = b2.m_invMass;
invI2 = b2.m_invI;
normalX = c.normal.x;
normalY = c.normal.y;
tangentX = normalY;
tangentY = -(normalX);
if (step.warmStarting){
tCount = c.pointCount;
j = 0;
while (j < tCount) {
ccp = c.points[j];
ccp.normalImpulse = (ccp.normalImpulse * step.dtRatio);
ccp.tangentImpulse = (ccp.tangentImpulse * step.dtRatio);
PX = ((ccp.normalImpulse * normalX) + (ccp.tangentImpulse * tangentX));
PY = ((ccp.normalImpulse * normalY) + (ccp.tangentImpulse * tangentY));
b1.m_angularVelocity = (b1.m_angularVelocity - (invI1 * ((ccp.r1.x * PY) - (ccp.r1.y * PX))));
b1.m_linearVelocity.x = (b1.m_linearVelocity.x - (invMass1 * PX));
b1.m_linearVelocity.y = (b1.m_linearVelocity.y - (invMass1 * PY));
b2.m_angularVelocity = (b2.m_angularVelocity + (invI2 * ((ccp.r2.x * PY) - (ccp.r2.y * PX))));
b2.m_linearVelocity.x = (b2.m_linearVelocity.x + (invMass2 * PX));
b2.m_linearVelocity.y = (b2.m_linearVelocity.y + (invMass2 * PY));
j++;
};
} else {
tCount = c.pointCount;
j = 0;
while (j < tCount) {
ccp2 = c.points[j];
ccp2.normalImpulse = 0;
ccp2.tangentImpulse = 0;
j++;
};
};
i++;
};
}
public function SolvePositionConstraints(baumgarte:Number):Boolean{
var tMat:b2Mat22;
var tVec:b2Vec2;
var c:b2ContactConstraint;
var b1:b2Body;
var b2:b2Body;
var b1_sweep_c:b2Vec2;
var b1_sweep_a:Number;
var b2_sweep_c:b2Vec2;
var b2_sweep_a:Number;
var invMass1:Number;
var invI1:Number;
var invMass2:Number;
var invI2:Number;
var normalX:Number;
var normalY:Number;
var tCount:int;
var j:int;
var ccp:b2ContactConstraintPoint;
var r1X:Number;
var r1Y:Number;
var r2X:Number;
var r2Y:Number;
var tX:Number;
var p1X:Number;
var p1Y:Number;
var p2X:Number;
var p2Y:Number;
var dpX:Number;
var dpY:Number;
var separation:Number;
var C:Number;
var dImpulse:Number;
var impulse0:Number;
var impulseX:Number;
var impulseY:Number;
var minSeparation:Number = 0;
var i:int;
while (i < m_constraintCount) {
c = m_constraints[i];
b1 = c.body1;
b2 = c.body2;
b1_sweep_c = b1.m_sweep.c;
b1_sweep_a = b1.m_sweep.a;
b2_sweep_c = b2.m_sweep.c;
b2_sweep_a = b2.m_sweep.a;
invMass1 = (b1.m_mass * b1.m_invMass);
invI1 = (b1.m_mass * b1.m_invI);
invMass2 = (b2.m_mass * b2.m_invMass);
invI2 = (b2.m_mass * b2.m_invI);
normalX = c.normal.x;
normalY = c.normal.y;
tCount = c.pointCount;
j = 0;
while (j < tCount) {
ccp = c.points[j];
tMat = b1.m_xf.R;
tVec = b1.m_sweep.localCenter;
r1X = (ccp.localAnchor1.x - tVec.x);
r1Y = (ccp.localAnchor1.y - tVec.y);
tX = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
tMat = b2.m_xf.R;
tVec = b2.m_sweep.localCenter;
r2X = (ccp.localAnchor2.x - tVec.x);
r2Y = (ccp.localAnchor2.y - tVec.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
p1X = (b1_sweep_c.x + r1X);
p1Y = (b1_sweep_c.y + r1Y);
p2X = (b2_sweep_c.x + r2X);
p2Y = (b2_sweep_c.y + r2Y);
dpX = (p2X - p1X);
dpY = (p2Y - p1Y);
separation = (((dpX * normalX) + (dpY * normalY)) + ccp.separation);
minSeparation = b2Math.b2Min(minSeparation, separation);
C = (baumgarte * b2Math.b2Clamp((separation + b2Settings.b2_linearSlop), -(b2Settings.b2_maxLinearCorrection), 0));
dImpulse = (-(ccp.equalizedMass) * C);
impulse0 = ccp.positionImpulse;
ccp.positionImpulse = b2Math.b2Max((impulse0 + dImpulse), 0);
dImpulse = (ccp.positionImpulse - impulse0);
impulseX = (dImpulse * normalX);
impulseY = (dImpulse * normalY);
b1_sweep_c.x = (b1_sweep_c.x - (invMass1 * impulseX));
b1_sweep_c.y = (b1_sweep_c.y - (invMass1 * impulseY));
b1_sweep_a = (b1_sweep_a - (invI1 * ((r1X * impulseY) - (r1Y * impulseX))));
b1.m_sweep.a = b1_sweep_a;
b1.SynchronizeTransform();
b2_sweep_c.x = (b2_sweep_c.x + (invMass2 * impulseX));
b2_sweep_c.y = (b2_sweep_c.y + (invMass2 * impulseY));
b2_sweep_a = (b2_sweep_a + (invI2 * ((r2X * impulseY) - (r2Y * impulseX))));
b2.m_sweep.a = b2_sweep_a;
b2.SynchronizeTransform();
j++;
};
i++;
};
return ((minSeparation >= (-1.5 * b2Settings.b2_linearSlop)));
}
public function SolveVelocityConstraints():void{
var j:int;
var ccp:b2ContactConstraintPoint;
var r1X:Number;
var r1Y:Number;
var r2X:Number;
var r2Y:Number;
var dvX:Number;
var dvY:Number;
var vn:Number;
var vt:Number;
var lambda_n:Number;
var lambda_t:Number;
var newImpulse_n:Number;
var newImpulse_t:Number;
var PX:Number;
var PY:Number;
var tMat:b2Mat22;
var tVec:b2Vec2;
var c:b2ContactConstraint;
var b1:b2Body;
var b2:b2Body;
var w1:Number;
var w2:Number;
var v1:b2Vec2;
var v2:b2Vec2;
var invMass1:Number;
var invI1:Number;
var invMass2:Number;
var invI2:Number;
var normalX:Number;
var normalY:Number;
var tangentX:Number;
var tangentY:Number;
var friction:Number;
var tX:Number;
var tCount:int;
var maxFriction:Number;
var i:int;
while (i < m_constraintCount) {
c = m_constraints[i];
b1 = c.body1;
b2 = c.body2;
w1 = b1.m_angularVelocity;
w2 = b2.m_angularVelocity;
v1 = b1.m_linearVelocity;
v2 = b2.m_linearVelocity;
invMass1 = b1.m_invMass;
invI1 = b1.m_invI;
invMass2 = b2.m_invMass;
invI2 = b2.m_invI;
normalX = c.normal.x;
normalY = c.normal.y;
tangentX = normalY;
tangentY = -(normalX);
friction = c.friction;
tCount = c.pointCount;
j = 0;
while (j < tCount) {
ccp = c.points[j];
dvX = (((v2.x + (-(w2) * ccp.r2.y)) - v1.x) - (-(w1) * ccp.r1.y));
dvY = (((v2.y + (w2 * ccp.r2.x)) - v1.y) - (w1 * ccp.r1.x));
vn = ((dvX * normalX) + (dvY * normalY));
lambda_n = (-(ccp.normalMass) * (vn - ccp.velocityBias));
vt = ((dvX * tangentX) + (dvY * tangentY));
lambda_t = (ccp.tangentMass * -(vt));
newImpulse_n = b2Math.b2Max((ccp.normalImpulse + lambda_n), 0);
lambda_n = (newImpulse_n - ccp.normalImpulse);
maxFriction = (friction * ccp.normalImpulse);
newImpulse_t = b2Math.b2Clamp((ccp.tangentImpulse + lambda_t), -(maxFriction), maxFriction);
lambda_t = (newImpulse_t - ccp.tangentImpulse);
PX = ((lambda_n * normalX) + (lambda_t * tangentX));
PY = ((lambda_n * normalY) + (lambda_t * tangentY));
v1.x = (v1.x - (invMass1 * PX));
v1.y = (v1.y - (invMass1 * PY));
w1 = (w1 - (invI1 * ((ccp.r1.x * PY) - (ccp.r1.y * PX))));
v2.x = (v2.x + (invMass2 * PX));
v2.y = (v2.y + (invMass2 * PY));
w2 = (w2 + (invI2 * ((ccp.r2.x * PY) - (ccp.r2.y * PX))));
ccp.normalImpulse = newImpulse_n;
ccp.tangentImpulse = newImpulse_t;
j++;
};
b1.m_angularVelocity = w1;
b2.m_angularVelocity = w2;
i++;
};
}
public function FinalizeVelocityConstraints():void{
var c:b2ContactConstraint;
var m:b2Manifold;
var j:int;
var point1:b2ManifoldPoint;
var point2:b2ContactConstraintPoint;
var i:int;
while (i < m_constraintCount) {
c = m_constraints[i];
m = c.manifold;
j = 0;
while (j < c.pointCount) {
point1 = m.points[j];
point2 = c.points[j];
point1.normalImpulse = point2.normalImpulse;
point1.tangentImpulse = point2.tangentImpulse;
j++;
};
i++;
};
}
}
}//package Box2D.Dynamics.Contacts
Section 52
//b2NullContact (Box2D.Dynamics.Contacts.b2NullContact)
package Box2D.Dynamics.Contacts {
import Box2D.Dynamics.*;
public class b2NullContact extends b2Contact {
public function b2NullContact(){
super();
}
override public function Evaluate(l:b2ContactListener):void{
}
override public function GetManifolds():Array{
return (null);
}
}
}//package Box2D.Dynamics.Contacts
Section 53
//b2PolyAndCircleContact (Box2D.Dynamics.Contacts.b2PolyAndCircleContact)
package Box2D.Dynamics.Contacts {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import Box2D.Collision.Shapes.*;
import Box2D.Common.*;
public class b2PolyAndCircleContact extends b2Contact {
private var m_manifolds:Array;
public var m_manifold:b2Manifold;
private var m0:b2Manifold;
private static const s_evalCP:b2ContactPoint = new b2ContactPoint();
public function b2PolyAndCircleContact(shape1:b2Shape, shape2:b2Shape){
m_manifolds = [new b2Manifold()];
m0 = new b2Manifold();
super(shape1, shape2);
m_manifold = m_manifolds[0];
b2Settings.b2Assert((m_shape1.m_type == b2Shape.e_polygonShape));
b2Settings.b2Assert((m_shape2.m_type == b2Shape.e_circleShape));
m_manifold.pointCount = 0;
var point:b2ManifoldPoint = m_manifold.points[0];
point.normalImpulse = 0;
point.tangentImpulse = 0;
}
override public function Evaluate(listener:b2ContactListener):void{
var i:int;
var v1:b2Vec2;
var v2:b2Vec2;
var mp0:b2ManifoldPoint;
var mp:b2ManifoldPoint;
var found:Boolean;
var idKey:uint;
var j:int;
var b1:b2Body = m_shape1.m_body;
var b2:b2Body = m_shape2.m_body;
m0.Set(m_manifold);
b2Collision.b2CollidePolygonAndCircle(m_manifold, (m_shape1 as b2PolygonShape), b1.m_xf, (m_shape2 as b2CircleShape), b2.m_xf);
var persisted:Array = [false, false];
var cp:b2ContactPoint = s_evalCP;
cp.shape1 = m_shape1;
cp.shape2 = m_shape2;
cp.friction = m_friction;
cp.restitution = m_restitution;
if (m_manifold.pointCount > 0){
i = 0;
while (i < m_manifold.pointCount) {
mp = m_manifold.points[i];
mp.normalImpulse = 0;
mp.tangentImpulse = 0;
found = false;
idKey = mp.id._key;
j = 0;
while (j < m0.pointCount) {
if (persisted[j] == true){
} else {
mp0 = m0.points[j];
if (mp0.id._key == idKey){
persisted[j] = true;
mp.normalImpulse = mp0.normalImpulse;
mp.tangentImpulse = mp0.tangentImpulse;
found = true;
if (listener != null){
cp.position = b1.GetWorldPoint(mp.localPoint1);
v1 = b1.GetLinearVelocityFromLocalPoint(mp.localPoint1);
v2 = b2.GetLinearVelocityFromLocalPoint(mp.localPoint2);
cp.velocity.Set((v2.x - v1.x), (v2.y - v1.y));
cp.normal.SetV(m_manifold.normal);
cp.separation = mp.separation;
cp.id.key = idKey;
listener.Persist(cp);
};
break;
};
};
j++;
};
if ((((found == false)) && (!((listener == null))))){
cp.position = b1.GetWorldPoint(mp.localPoint1);
v1 = b1.GetLinearVelocityFromLocalPoint(mp.localPoint1);
v2 = b2.GetLinearVelocityFromLocalPoint(mp.localPoint2);
cp.velocity.Set((v2.x - v1.x), (v2.y - v1.y));
cp.normal.SetV(m_manifold.normal);
cp.separation = mp.separation;
cp.id.key = idKey;
listener.Add(cp);
};
i++;
};
m_manifoldCount = 1;
} else {
m_manifoldCount = 0;
};
if (listener == null){
return;
};
i = 0;
while (i < m0.pointCount) {
if (persisted[i]){
} else {
mp0 = m0.points[i];
cp.position = b1.GetWorldPoint(mp0.localPoint1);
v1 = b1.GetLinearVelocityFromLocalPoint(mp0.localPoint1);
v2 = b2.GetLinearVelocityFromLocalPoint(mp0.localPoint2);
cp.velocity.Set((v2.x - v1.x), (v2.y - v1.y));
cp.normal.SetV(m0.normal);
cp.separation = mp0.separation;
cp.id.key = mp0.id._key;
listener.Remove(cp);
};
i++;
};
}
override public function GetManifolds():Array{
return (m_manifolds);
}
public static function Destroy(contact:b2Contact, allocator):void{
}
public static function Create(shape1:b2Shape, shape2:b2Shape, allocator):b2Contact{
return (new b2PolyAndCircleContact(shape1, shape2));
}
}
}//package Box2D.Dynamics.Contacts
Section 54
//b2PolygonContact (Box2D.Dynamics.Contacts.b2PolygonContact)
package Box2D.Dynamics.Contacts {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import Box2D.Collision.Shapes.*;
import Box2D.Common.*;
public class b2PolygonContact extends b2Contact {
private var m_manifolds:Array;
private var m0:b2Manifold;
public var m_manifold:b2Manifold;
private static const s_evalCP:b2ContactPoint = new b2ContactPoint();
public function b2PolygonContact(shape1:b2Shape, shape2:b2Shape):void{
m0 = new b2Manifold();
m_manifolds = [new b2Manifold()];
super(shape1, shape2);
m_manifold = m_manifolds[0];
m_manifold.pointCount = 0;
}
override public function Evaluate(listener:b2ContactListener):void{
var v1:b2Vec2;
var v2:b2Vec2;
var mp0:b2ManifoldPoint;
var cp:b2ContactPoint;
var i:int;
var mp:b2ManifoldPoint;
var found:Boolean;
var idKey:uint;
var j:int;
var b1:b2Body = m_shape1.m_body;
var b2:b2Body = m_shape2.m_body;
m0.Set(m_manifold);
b2Collision.b2CollidePolygons(m_manifold, (m_shape1 as b2PolygonShape), b1.m_xf, (m_shape2 as b2PolygonShape), b2.m_xf);
var persisted:Array = [false, false];
cp = s_evalCP;
cp.shape1 = m_shape1;
cp.shape2 = m_shape2;
cp.friction = m_friction;
cp.restitution = m_restitution;
if (m_manifold.pointCount > 0){
i = 0;
while (i < m_manifold.pointCount) {
mp = m_manifold.points[i];
mp.normalImpulse = 0;
mp.tangentImpulse = 0;
found = false;
idKey = mp.id._key;
j = 0;
while (j < m0.pointCount) {
if (persisted[j] == true){
} else {
mp0 = m0.points[j];
if (mp0.id._key == idKey){
persisted[j] = true;
mp.normalImpulse = mp0.normalImpulse;
mp.tangentImpulse = mp0.tangentImpulse;
found = true;
if (listener != null){
cp.position = b1.GetWorldPoint(mp.localPoint1);
v1 = b1.GetLinearVelocityFromLocalPoint(mp.localPoint1);
v2 = b2.GetLinearVelocityFromLocalPoint(mp.localPoint2);
cp.velocity.Set((v2.x - v1.x), (v2.y - v1.y));
cp.normal.SetV(m_manifold.normal);
cp.separation = mp.separation;
cp.id.key = idKey;
listener.Persist(cp);
};
break;
};
};
j++;
};
if ((((found == false)) && (!((listener == null))))){
cp.position = b1.GetWorldPoint(mp.localPoint1);
v1 = b1.GetLinearVelocityFromLocalPoint(mp.localPoint1);
v2 = b2.GetLinearVelocityFromLocalPoint(mp.localPoint2);
cp.velocity.Set((v2.x - v1.x), (v2.y - v1.y));
cp.normal.SetV(m_manifold.normal);
cp.separation = mp.separation;
cp.id.key = idKey;
listener.Add(cp);
};
i++;
};
m_manifoldCount = 1;
} else {
m_manifoldCount = 0;
};
if (listener == null){
return;
};
i = 0;
while (i < m0.pointCount) {
if (persisted[i]){
} else {
mp0 = m0.points[i];
cp.position = b1.GetWorldPoint(mp0.localPoint1);
v1 = b1.GetLinearVelocityFromLocalPoint(mp0.localPoint1);
v2 = b2.GetLinearVelocityFromLocalPoint(mp0.localPoint2);
cp.velocity.Set((v2.x - v1.x), (v2.y - v1.y));
cp.normal.SetV(m0.normal);
cp.separation = mp0.separation;
cp.id.key = mp0.id._key;
listener.Remove(cp);
};
i++;
};
}
override public function GetManifolds():Array{
return (m_manifolds);
}
public static function Destroy(contact:b2Contact, allocator):void{
}
public static function Create(shape1:b2Shape, shape2:b2Shape, allocator):b2Contact{
return (new b2PolygonContact(shape1, shape2));
}
}
}//package Box2D.Dynamics.Contacts
Section 55
//b2DistanceJoint (Box2D.Dynamics.Joints.b2DistanceJoint)
package Box2D.Dynamics.Joints {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Common.*;
public class b2DistanceJoint extends b2Joint {
public var m_localAnchor1:b2Vec2;
public var m_localAnchor2:b2Vec2;
public var m_bias:Number;
public var m_gamma:Number;
public var m_u:b2Vec2;
public var m_mass:Number;
public var m_impulse:Number;
public var m_dampingRatio:Number;
public var m_frequencyHz:Number;
public var m_length:Number;
public function b2DistanceJoint(def:b2DistanceJointDef){
var tMat:b2Mat22;
var tX:Number;
var tY:Number;
m_localAnchor1 = new b2Vec2();
m_localAnchor2 = new b2Vec2();
m_u = new b2Vec2();
super(def);
m_localAnchor1.SetV(def.localAnchor1);
m_localAnchor2.SetV(def.localAnchor2);
m_length = def.length;
m_frequencyHz = def.frequencyHz;
m_dampingRatio = def.dampingRatio;
m_impulse = 0;
m_gamma = 0;
m_bias = 0;
m_inv_dt = 0;
}
override public function GetAnchor1():b2Vec2{
return (m_body1.GetWorldPoint(m_localAnchor1));
}
override public function GetAnchor2():b2Vec2{
return (m_body2.GetWorldPoint(m_localAnchor2));
}
override public function InitVelocityConstraints(step:b2TimeStep):void{
var tMat:b2Mat22;
var tX:Number;
var b1:b2Body;
var b2:b2Body;
var r1X:Number;
var r2X:Number;
var C:Number;
var omega:Number;
var d:Number;
var k:Number;
var PX:Number;
var PY:Number;
m_inv_dt = step.inv_dt;
b1 = m_body1;
b2 = m_body2;
tMat = b1.m_xf.R;
r1X = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
var r1Y:Number = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
tMat = b2.m_xf.R;
r2X = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
var r2Y:Number = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
m_u.x = (((b2.m_sweep.c.x + r2X) - b1.m_sweep.c.x) - r1X);
m_u.y = (((b2.m_sweep.c.y + r2Y) - b1.m_sweep.c.y) - r1Y);
var length:Number = Math.sqrt(((m_u.x * m_u.x) + (m_u.y * m_u.y)));
if (length > b2Settings.b2_linearSlop){
m_u.Multiply((1 / length));
} else {
m_u.SetZero();
};
var cr1u:Number = ((r1X * m_u.y) - (r1Y * m_u.x));
var cr2u:Number = ((r2X * m_u.y) - (r2Y * m_u.x));
var invMass:Number = (((b1.m_invMass + ((b1.m_invI * cr1u) * cr1u)) + b2.m_invMass) + ((b2.m_invI * cr2u) * cr2u));
m_mass = (1 / invMass);
if (m_frequencyHz > 0){
C = (length - m_length);
omega = ((2 * Math.PI) * m_frequencyHz);
d = (((2 * m_mass) * m_dampingRatio) * omega);
k = ((m_mass * omega) * omega);
m_gamma = (1 / (step.dt * (d + (step.dt * k))));
m_bias = (((C * step.dt) * k) * m_gamma);
m_mass = (1 / (invMass + m_gamma));
};
if (step.warmStarting){
m_impulse = (m_impulse * step.dtRatio);
PX = (m_impulse * m_u.x);
PY = (m_impulse * m_u.y);
b1.m_linearVelocity.x = (b1.m_linearVelocity.x - (b1.m_invMass * PX));
b1.m_linearVelocity.y = (b1.m_linearVelocity.y - (b1.m_invMass * PY));
b1.m_angularVelocity = (b1.m_angularVelocity - (b1.m_invI * ((r1X * PY) - (r1Y * PX))));
b2.m_linearVelocity.x = (b2.m_linearVelocity.x + (b2.m_invMass * PX));
b2.m_linearVelocity.y = (b2.m_linearVelocity.y + (b2.m_invMass * PY));
b2.m_angularVelocity = (b2.m_angularVelocity + (b2.m_invI * ((r2X * PY) - (r2Y * PX))));
} else {
m_impulse = 0;
};
}
override public function GetReactionTorque():Number{
return (0);
}
override public function GetReactionForce():b2Vec2{
var F:b2Vec2 = new b2Vec2();
F.SetV(m_u);
F.Multiply((m_inv_dt * m_impulse));
return (F);
}
override public function SolvePositionConstraints():Boolean{
var tMat:b2Mat22;
if (m_frequencyHz > 0){
return (true);
};
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
tMat = b1.m_xf.R;
var r1X:Number = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
var r1Y:Number = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
var tX:Number = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
tMat = b2.m_xf.R;
var r2X:Number = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
var r2Y:Number = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
var dX:Number = (((b2.m_sweep.c.x + r2X) - b1.m_sweep.c.x) - r1X);
var dY:Number = (((b2.m_sweep.c.y + r2Y) - b1.m_sweep.c.y) - r1Y);
var length:Number = Math.sqrt(((dX * dX) + (dY * dY)));
dX = (dX / length);
dY = (dY / length);
var C:Number = (length - m_length);
C = b2Math.b2Clamp(C, -(b2Settings.b2_maxLinearCorrection), b2Settings.b2_maxLinearCorrection);
var impulse:Number = (-(m_mass) * C);
m_u.Set(dX, dY);
var PX:Number = (impulse * m_u.x);
var PY:Number = (impulse * m_u.y);
b1.m_sweep.c.x = (b1.m_sweep.c.x - (b1.m_invMass * PX));
b1.m_sweep.c.y = (b1.m_sweep.c.y - (b1.m_invMass * PY));
b1.m_sweep.a = (b1.m_sweep.a - (b1.m_invI * ((r1X * PY) - (r1Y * PX))));
b2.m_sweep.c.x = (b2.m_sweep.c.x + (b2.m_invMass * PX));
b2.m_sweep.c.y = (b2.m_sweep.c.y + (b2.m_invMass * PY));
b2.m_sweep.a = (b2.m_sweep.a + (b2.m_invI * ((r2X * PY) - (r2Y * PX))));
b1.SynchronizeTransform();
b2.SynchronizeTransform();
return ((b2Math.b2Abs(C) < b2Settings.b2_linearSlop));
}
override public function SolveVelocityConstraints(step:b2TimeStep):void{
var tMat:b2Mat22;
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
tMat = b1.m_xf.R;
var r1X:Number = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
var r1Y:Number = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
var tX:Number = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
tMat = b2.m_xf.R;
var r2X:Number = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
var r2Y:Number = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
var v1X:Number = (b1.m_linearVelocity.x + (-(b1.m_angularVelocity) * r1Y));
var v1Y:Number = (b1.m_linearVelocity.y + (b1.m_angularVelocity * r1X));
var v2X:Number = (b2.m_linearVelocity.x + (-(b2.m_angularVelocity) * r2Y));
var v2Y:Number = (b2.m_linearVelocity.y + (b2.m_angularVelocity * r2X));
var Cdot:Number = ((m_u.x * (v2X - v1X)) + (m_u.y * (v2Y - v1Y)));
var impulse:Number = (-(m_mass) * ((Cdot + m_bias) + (m_gamma * m_impulse)));
m_impulse = (m_impulse + impulse);
var PX:Number = (impulse * m_u.x);
var PY:Number = (impulse * m_u.y);
b1.m_linearVelocity.x = (b1.m_linearVelocity.x - (b1.m_invMass * PX));
b1.m_linearVelocity.y = (b1.m_linearVelocity.y - (b1.m_invMass * PY));
b1.m_angularVelocity = (b1.m_angularVelocity - (b1.m_invI * ((r1X * PY) - (r1Y * PX))));
b2.m_linearVelocity.x = (b2.m_linearVelocity.x + (b2.m_invMass * PX));
b2.m_linearVelocity.y = (b2.m_linearVelocity.y + (b2.m_invMass * PY));
b2.m_angularVelocity = (b2.m_angularVelocity + (b2.m_invI * ((r2X * PY) - (r2Y * PX))));
}
}
}//package Box2D.Dynamics.Joints
Section 56
//b2DistanceJointDef (Box2D.Dynamics.Joints.b2DistanceJointDef)
package Box2D.Dynamics.Joints {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
public class b2DistanceJointDef extends b2JointDef {
public var localAnchor1:b2Vec2;
public var length:Number;
public var dampingRatio:Number;
public var localAnchor2:b2Vec2;
public var frequencyHz:Number;
public function b2DistanceJointDef(){
localAnchor1 = new b2Vec2();
localAnchor2 = new b2Vec2();
super();
type = b2Joint.e_distanceJoint;
length = 1;
frequencyHz = 0;
dampingRatio = 0;
}
public function Initialize(b1:b2Body, b2:b2Body, anchor1:b2Vec2, anchor2:b2Vec2):void{
body1 = b1;
body2 = b2;
localAnchor1.SetV(body1.GetLocalPoint(anchor1));
localAnchor2.SetV(body2.GetLocalPoint(anchor2));
var dX:Number = (anchor2.x - anchor1.x);
var dY:Number = (anchor2.y - anchor1.y);
length = Math.sqrt(((dX * dX) + (dY * dY)));
frequencyHz = 0;
dampingRatio = 0;
}
}
}//package Box2D.Dynamics.Joints
Section 57
//b2GearJoint (Box2D.Dynamics.Joints.b2GearJoint)
package Box2D.Dynamics.Joints {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Common.*;
public class b2GearJoint extends b2Joint {
public var m_ground2:b2Body;
public var m_groundAnchor1:b2Vec2;
public var m_groundAnchor2:b2Vec2;
public var m_localAnchor1:b2Vec2;
public var m_localAnchor2:b2Vec2;
public var m_ratio:Number;
public var m_revolute2:b2RevoluteJoint;
public var m_force:Number;
public var m_mass:Number;
public var m_prismatic2:b2PrismaticJoint;
public var m_ground1:b2Body;
public var m_revolute1:b2RevoluteJoint;
public var m_prismatic1:b2PrismaticJoint;
public var m_constant:Number;
public var m_J:b2Jacobian;
public function b2GearJoint(def:b2GearJointDef){
var coordinate1:Number;
var coordinate2:Number;
m_groundAnchor1 = new b2Vec2();
m_groundAnchor2 = new b2Vec2();
m_localAnchor1 = new b2Vec2();
m_localAnchor2 = new b2Vec2();
m_J = new b2Jacobian();
super(def);
var type1:int = def.joint1.m_type;
var type2:int = def.joint2.m_type;
m_revolute1 = null;
m_prismatic1 = null;
m_revolute2 = null;
m_prismatic2 = null;
m_ground1 = def.joint1.m_body1;
m_body1 = def.joint1.m_body2;
if (type1 == b2Joint.e_revoluteJoint){
m_revolute1 = (def.joint1 as b2RevoluteJoint);
m_groundAnchor1.SetV(m_revolute1.m_localAnchor1);
m_localAnchor1.SetV(m_revolute1.m_localAnchor2);
coordinate1 = m_revolute1.GetJointAngle();
} else {
m_prismatic1 = (def.joint1 as b2PrismaticJoint);
m_groundAnchor1.SetV(m_prismatic1.m_localAnchor1);
m_localAnchor1.SetV(m_prismatic1.m_localAnchor2);
coordinate1 = m_prismatic1.GetJointTranslation();
};
m_ground2 = def.joint2.m_body1;
m_body2 = def.joint2.m_body2;
if (type2 == b2Joint.e_revoluteJoint){
m_revolute2 = (def.joint2 as b2RevoluteJoint);
m_groundAnchor2.SetV(m_revolute2.m_localAnchor1);
m_localAnchor2.SetV(m_revolute2.m_localAnchor2);
coordinate2 = m_revolute2.GetJointAngle();
} else {
m_prismatic2 = (def.joint2 as b2PrismaticJoint);
m_groundAnchor2.SetV(m_prismatic2.m_localAnchor1);
m_localAnchor2.SetV(m_prismatic2.m_localAnchor2);
coordinate2 = m_prismatic2.GetJointTranslation();
};
m_ratio = def.ratio;
m_constant = (coordinate1 + (m_ratio * coordinate2));
m_force = 0;
}
override public function GetAnchor1():b2Vec2{
return (m_body1.GetWorldPoint(m_localAnchor1));
}
override public function GetAnchor2():b2Vec2{
return (m_body2.GetWorldPoint(m_localAnchor2));
}
override public function InitVelocityConstraints(step:b2TimeStep):void{
var ugX:Number;
var ugY:Number;
var rX:Number;
var rY:Number;
var tMat:b2Mat22;
var tVec:b2Vec2;
var crug:Number;
var tX:Number;
var P:Number;
var g1:b2Body = m_ground1;
var g2:b2Body = m_ground2;
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
var K:Number = 0;
m_J.SetZero();
if (m_revolute1){
m_J.angular1 = -1;
K = (K + b1.m_invI);
} else {
tMat = g1.m_xf.R;
tVec = m_prismatic1.m_localXAxis1;
ugX = ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y));
ugY = ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y));
tMat = b1.m_xf.R;
rX = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
rY = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
tX = ((tMat.col1.x * rX) + (tMat.col2.x * rY));
rY = ((tMat.col1.y * rX) + (tMat.col2.y * rY));
rX = tX;
crug = ((rX * ugY) - (rY * ugX));
m_J.linear1.Set(-(ugX), -(ugY));
m_J.angular1 = -(crug);
K = (K + (b1.m_invMass + ((b1.m_invI * crug) * crug)));
};
if (m_revolute2){
m_J.angular2 = -(m_ratio);
K = (K + ((m_ratio * m_ratio) * b2.m_invI));
} else {
tMat = g2.m_xf.R;
tVec = m_prismatic2.m_localXAxis1;
ugX = ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y));
ugY = ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y));
tMat = b2.m_xf.R;
rX = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
rY = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * rX) + (tMat.col2.x * rY));
rY = ((tMat.col1.y * rX) + (tMat.col2.y * rY));
rX = tX;
crug = ((rX * ugY) - (rY * ugX));
m_J.linear2.Set((-(m_ratio) * ugX), (-(m_ratio) * ugY));
m_J.angular2 = (-(m_ratio) * crug);
K = (K + ((m_ratio * m_ratio) * (b2.m_invMass + ((b2.m_invI * crug) * crug))));
};
m_mass = (1 / K);
if (step.warmStarting){
P = (step.dt * m_force);
b1.m_linearVelocity.x = (b1.m_linearVelocity.x + ((b1.m_invMass * P) * m_J.linear1.x));
b1.m_linearVelocity.y = (b1.m_linearVelocity.y + ((b1.m_invMass * P) * m_J.linear1.y));
b1.m_angularVelocity = (b1.m_angularVelocity + ((b1.m_invI * P) * m_J.angular1));
b2.m_linearVelocity.x = (b2.m_linearVelocity.x + ((b2.m_invMass * P) * m_J.linear2.x));
b2.m_linearVelocity.y = (b2.m_linearVelocity.y + ((b2.m_invMass * P) * m_J.linear2.y));
b2.m_angularVelocity = (b2.m_angularVelocity + ((b2.m_invI * P) * m_J.angular2));
} else {
m_force = 0;
};
}
override public function GetReactionTorque():Number{
var tMat:b2Mat22 = m_body2.m_xf.R;
var rX:Number = (m_localAnchor1.x - m_body2.m_sweep.localCenter.x);
var rY:Number = (m_localAnchor1.y - m_body2.m_sweep.localCenter.y);
var tX:Number = ((tMat.col1.x * rX) + (tMat.col2.x * rY));
rY = ((tMat.col1.y * rX) + (tMat.col2.y * rY));
rX = tX;
tX = ((m_force * m_J.angular2) - ((rX * (m_force * m_J.linear2.y)) - (rY * (m_force * m_J.linear2.x))));
return (tX);
}
override public function GetReactionForce():b2Vec2{
var F:b2Vec2 = new b2Vec2((m_force * m_J.linear2.x), (m_force * m_J.linear2.y));
return (F);
}
override public function SolvePositionConstraints():Boolean{
var coordinate1:Number;
var coordinate2:Number;
var linearError:Number = 0;
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
if (m_revolute1){
coordinate1 = m_revolute1.GetJointAngle();
} else {
coordinate1 = m_prismatic1.GetJointTranslation();
};
if (m_revolute2){
coordinate2 = m_revolute2.GetJointAngle();
} else {
coordinate2 = m_prismatic2.GetJointTranslation();
};
var C:Number = (m_constant - (coordinate1 + (m_ratio * coordinate2)));
var impulse:Number = (-(m_mass) * C);
b1.m_sweep.c.x = (b1.m_sweep.c.x + ((b1.m_invMass * impulse) * m_J.linear1.x));
b1.m_sweep.c.y = (b1.m_sweep.c.y + ((b1.m_invMass * impulse) * m_J.linear1.y));
b1.m_sweep.a = (b1.m_sweep.a + ((b1.m_invI * impulse) * m_J.angular1));
b2.m_sweep.c.x = (b2.m_sweep.c.x + ((b2.m_invMass * impulse) * m_J.linear2.x));
b2.m_sweep.c.y = (b2.m_sweep.c.y + ((b2.m_invMass * impulse) * m_J.linear2.y));
b2.m_sweep.a = (b2.m_sweep.a + ((b2.m_invI * impulse) * m_J.angular2));
b1.SynchronizeTransform();
b2.SynchronizeTransform();
return ((linearError < b2Settings.b2_linearSlop));
}
public function GetRatio():Number{
return (m_ratio);
}
override public function SolveVelocityConstraints(step:b2TimeStep):void{
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
var Cdot:Number = m_J.Compute(b1.m_linearVelocity, b1.m_angularVelocity, b2.m_linearVelocity, b2.m_angularVelocity);
var force:Number = ((-(step.inv_dt) * m_mass) * Cdot);
m_force = (m_force + force);
var P:Number = (step.dt * force);
b1.m_linearVelocity.x = (b1.m_linearVelocity.x + ((b1.m_invMass * P) * m_J.linear1.x));
b1.m_linearVelocity.y = (b1.m_linearVelocity.y + ((b1.m_invMass * P) * m_J.linear1.y));
b1.m_angularVelocity = (b1.m_angularVelocity + ((b1.m_invI * P) * m_J.angular1));
b2.m_linearVelocity.x = (b2.m_linearVelocity.x + ((b2.m_invMass * P) * m_J.linear2.x));
b2.m_linearVelocity.y = (b2.m_linearVelocity.y + ((b2.m_invMass * P) * m_J.linear2.y));
b2.m_angularVelocity = (b2.m_angularVelocity + ((b2.m_invI * P) * m_J.angular2));
}
}
}//package Box2D.Dynamics.Joints
Section 58
//b2GearJointDef (Box2D.Dynamics.Joints.b2GearJointDef)
package Box2D.Dynamics.Joints {
public class b2GearJointDef extends b2JointDef {
public var joint1:b2Joint;
public var joint2:b2Joint;
public var ratio:Number;
public function b2GearJointDef(){
super();
type = b2Joint.e_gearJoint;
joint1 = null;
joint2 = null;
ratio = 1;
}
}
}//package Box2D.Dynamics.Joints
Section 59
//b2Jacobian (Box2D.Dynamics.Joints.b2Jacobian)
package Box2D.Dynamics.Joints {
import Box2D.Common.Math.*;
public class b2Jacobian {
public var linear1:b2Vec2;
public var linear2:b2Vec2;
public var angular1:Number;
public var angular2:Number;
public function b2Jacobian(){
linear1 = new b2Vec2();
linear2 = new b2Vec2();
super();
}
public function Set(x1:b2Vec2, a1:Number, x2:b2Vec2, a2:Number):void{
linear1.SetV(x1);
angular1 = a1;
linear2.SetV(x2);
angular2 = a2;
}
public function SetZero():void{
linear1.SetZero();
angular1 = 0;
linear2.SetZero();
angular2 = 0;
}
public function Compute(x1:b2Vec2, a1:Number, x2:b2Vec2, a2:Number):Number{
return ((((((linear1.x * x1.x) + (linear1.y * x1.y)) + (angular1 * a1)) + ((linear2.x * x2.x) + (linear2.y * x2.y))) + (angular2 * a2)));
}
}
}//package Box2D.Dynamics.Joints
Section 60
//b2Joint (Box2D.Dynamics.Joints.b2Joint)
package Box2D.Dynamics.Joints {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
public class b2Joint {
public var m_islandFlag:Boolean;
public var m_body1:b2Body;
public var m_prev:b2Joint;
public var m_next:b2Joint;
public var m_type:int;
public var m_collideConnected:Boolean;
public var m_node1:b2JointEdge;
public var m_node2:b2JointEdge;
public var m_inv_dt:Number;
public var m_userData;
public var m_body2:b2Body;
public static const e_unknownJoint:int = 0;
public static const e_inactiveLimit:int = 0;
public static const e_atUpperLimit:int = 2;
public static const e_atLowerLimit:int = 1;
public static const e_gearJoint:int = 6;
public static const e_revoluteJoint:int = 1;
public static const e_equalLimits:int = 3;
public static const e_distanceJoint:int = 3;
public static const e_pulleyJoint:int = 4;
public static const e_prismaticJoint:int = 2;
public static const e_mouseJoint:int = 5;
public function b2Joint(def:b2JointDef){
m_node1 = new b2JointEdge();
m_node2 = new b2JointEdge();
super();
m_type = def.type;
m_prev = null;
m_next = null;
m_body1 = def.body1;
m_body2 = def.body2;
m_collideConnected = def.collideConnected;
m_islandFlag = false;
m_userData = def.userData;
}
public function GetBody2():b2Body{
return (m_body2);
}
public function GetAnchor1():b2Vec2{
return (null);
}
public function GetAnchor2():b2Vec2{
return (null);
}
public function GetNext():b2Joint{
return (m_next);
}
public function GetType():int{
return (m_type);
}
public function InitVelocityConstraints(step:b2TimeStep):void{
}
public function GetReactionTorque():Number{
return (0);
}
public function GetUserData(){
return (m_userData);
}
public function GetReactionForce():b2Vec2{
return (null);
}
public function SolvePositionConstraints():Boolean{
return (false);
}
public function SetUserData(data):void{
m_userData = data;
}
public function GetBody1():b2Body{
return (m_body1);
}
public function SolveVelocityConstraints(step:b2TimeStep):void{
}
public function InitPositionConstraints():void{
}
public static function Destroy(joint:b2Joint, allocator):void{
}
public static function Create(def:b2JointDef, allocator):b2Joint{
var joint:b2Joint;
switch (def.type){
case e_distanceJoint:
joint = new b2DistanceJoint((def as b2DistanceJointDef));
break;
case e_mouseJoint:
joint = new b2MouseJoint((def as b2MouseJointDef));
break;
case e_prismaticJoint:
joint = new b2PrismaticJoint((def as b2PrismaticJointDef));
break;
case e_revoluteJoint:
joint = new b2RevoluteJoint((def as b2RevoluteJointDef));
break;
case e_pulleyJoint:
joint = new b2PulleyJoint((def as b2PulleyJointDef));
break;
case e_gearJoint:
joint = new b2GearJoint((def as b2GearJointDef));
break;
default:
break;
};
return (joint);
}
}
}//package Box2D.Dynamics.Joints
Section 61
//b2JointDef (Box2D.Dynamics.Joints.b2JointDef)
package Box2D.Dynamics.Joints {
import Box2D.Dynamics.*;
public class b2JointDef {
public var body2:b2Body;
public var type:int;
public var userData;
public var collideConnected:Boolean;
public var body1:b2Body;
public function b2JointDef(){
super();
type = b2Joint.e_unknownJoint;
userData = null;
body1 = null;
body2 = null;
collideConnected = false;
}
}
}//package Box2D.Dynamics.Joints
Section 62
//b2JointEdge (Box2D.Dynamics.Joints.b2JointEdge)
package Box2D.Dynamics.Joints {
import Box2D.Dynamics.*;
public class b2JointEdge {
public var other:b2Body;
public var next:b2JointEdge;
public var prev:b2JointEdge;
public var joint:b2Joint;
}
}//package Box2D.Dynamics.Joints
Section 63
//b2MouseJoint (Box2D.Dynamics.Joints.b2MouseJoint)
package Box2D.Dynamics.Joints {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Common.*;
public class b2MouseJoint extends b2Joint {
private var K1:b2Mat22;
private var K:b2Mat22;
public var m_beta:Number;
public var m_mass:b2Mat22;
private var K2:b2Mat22;
public var m_target:b2Vec2;
public var m_gamma:Number;
public var m_impulse:b2Vec2;
public var m_C:b2Vec2;
public var m_localAnchor:b2Vec2;
public var m_maxForce:Number;
public function b2MouseJoint(def:b2MouseJointDef){
var tY:Number;
K = new b2Mat22();
K1 = new b2Mat22();
K2 = new b2Mat22();
m_localAnchor = new b2Vec2();
m_target = new b2Vec2();
m_impulse = new b2Vec2();
m_mass = new b2Mat22();
m_C = new b2Vec2();
super(def);
m_target.SetV(def.target);
var tX:Number = (m_target.x - m_body2.m_xf.position.x);
tY = (m_target.y - m_body2.m_xf.position.y);
var tMat:b2Mat22 = m_body2.m_xf.R;
m_localAnchor.x = ((tX * tMat.col1.x) + (tY * tMat.col1.y));
m_localAnchor.y = ((tX * tMat.col2.x) + (tY * tMat.col2.y));
m_maxForce = def.maxForce;
m_impulse.SetZero();
var mass:Number = m_body2.m_mass;
var omega:Number = ((2 * b2Settings.b2_pi) * def.frequencyHz);
var d:Number = (((2 * mass) * def.dampingRatio) * omega);
var k:Number = ((def.timeStep * mass) * (omega * omega));
m_gamma = (1 / (d + k));
m_beta = (k / (d + k));
}
public function SetTarget(target:b2Vec2):void{
if (m_body2.IsSleeping()){
m_body2.WakeUp();
};
m_target = target;
}
override public function GetAnchor2():b2Vec2{
return (m_body2.GetWorldPoint(m_localAnchor));
}
override public function InitVelocityConstraints(step:b2TimeStep):void{
var b:b2Body;
var tMat:b2Mat22;
var rX:Number;
var rY:Number;
var invMass:Number;
var invI:Number;
b = m_body2;
tMat = b.m_xf.R;
rX = (m_localAnchor.x - b.m_sweep.localCenter.x);
rY = (m_localAnchor.y - b.m_sweep.localCenter.y);
var tX:Number = ((tMat.col1.x * rX) + (tMat.col2.x * rY));
rY = ((tMat.col1.y * rX) + (tMat.col2.y * rY));
rX = tX;
invMass = b.m_invMass;
invI = b.m_invI;
K1.col1.x = invMass;
K1.col2.x = 0;
K1.col1.y = 0;
K1.col2.y = invMass;
K2.col1.x = ((invI * rY) * rY);
K2.col2.x = ((-(invI) * rX) * rY);
K2.col1.y = ((-(invI) * rX) * rY);
K2.col2.y = ((invI * rX) * rX);
K.SetM(K1);
K.AddM(K2);
K.col1.x = (K.col1.x + m_gamma);
K.col2.y = (K.col2.y + m_gamma);
K.Invert(m_mass);
m_C.x = ((b.m_sweep.c.x + rX) - m_target.x);
m_C.y = ((b.m_sweep.c.y + rY) - m_target.y);
b.m_angularVelocity = (b.m_angularVelocity * 0.98);
var PX:Number = (step.dt * m_impulse.x);
var PY:Number = (step.dt * m_impulse.y);
b.m_linearVelocity.x = (b.m_linearVelocity.x + (invMass * PX));
b.m_linearVelocity.y = (b.m_linearVelocity.y + (invMass * PY));
b.m_angularVelocity = (b.m_angularVelocity + (invI * ((rX * PY) - (rY * PX))));
}
override public function GetAnchor1():b2Vec2{
return (m_target);
}
override public function GetReactionTorque():Number{
return (0);
}
override public function GetReactionForce():b2Vec2{
return (m_impulse);
}
override public function SolvePositionConstraints():Boolean{
return (true);
}
override public function SolveVelocityConstraints(step:b2TimeStep):void{
var tMat:b2Mat22;
var tX:Number;
var tY:Number;
var b:b2Body = m_body2;
tMat = b.m_xf.R;
var rX:Number = (m_localAnchor.x - b.m_sweep.localCenter.x);
var rY:Number = (m_localAnchor.y - b.m_sweep.localCenter.y);
tX = ((tMat.col1.x * rX) + (tMat.col2.x * rY));
rY = ((tMat.col1.y * rX) + (tMat.col2.y * rY));
rX = tX;
var CdotX:Number = (b.m_linearVelocity.x + (-(b.m_angularVelocity) * rY));
var CdotY:Number = (b.m_linearVelocity.y + (b.m_angularVelocity * rX));
tMat = m_mass;
tX = ((CdotX + ((m_beta * step.inv_dt) * m_C.x)) + ((m_gamma * step.dt) * m_impulse.x));
tY = ((CdotY + ((m_beta * step.inv_dt) * m_C.y)) + ((m_gamma * step.dt) * m_impulse.y));
var forceX:Number = (-(step.inv_dt) * ((tMat.col1.x * tX) + (tMat.col2.x * tY)));
var forceY:Number = (-(step.inv_dt) * ((tMat.col1.y * tX) + (tMat.col2.y * tY)));
var oldForceX:Number = m_impulse.x;
var oldForceY:Number = m_impulse.y;
m_impulse.x = (m_impulse.x + forceX);
m_impulse.y = (m_impulse.y + forceY);
var forceMagnitude:Number = m_impulse.Length();
if (forceMagnitude > m_maxForce){
m_impulse.Multiply((m_maxForce / forceMagnitude));
};
forceX = (m_impulse.x - oldForceX);
forceY = (m_impulse.y - oldForceY);
var PX:Number = (step.dt * forceX);
var PY:Number = (step.dt * forceY);
b.m_linearVelocity.x = (b.m_linearVelocity.x + (b.m_invMass * PX));
b.m_linearVelocity.y = (b.m_linearVelocity.y + (b.m_invMass * PY));
b.m_angularVelocity = (b.m_angularVelocity + (b.m_invI * ((rX * PY) - (rY * PX))));
}
}
}//package Box2D.Dynamics.Joints
Section 64
//b2MouseJointDef (Box2D.Dynamics.Joints.b2MouseJointDef)
package Box2D.Dynamics.Joints {
import Box2D.Common.Math.*;
public class b2MouseJointDef extends b2JointDef {
public var timeStep:Number;
public var target:b2Vec2;
public var maxForce:Number;
public var dampingRatio:Number;
public var frequencyHz:Number;
public function b2MouseJointDef(){
target = new b2Vec2();
super();
type = b2Joint.e_mouseJoint;
maxForce = 0;
frequencyHz = 5;
dampingRatio = 0.7;
timeStep = (1 / 60);
}
}
}//package Box2D.Dynamics.Joints
Section 65
//b2PrismaticJoint (Box2D.Dynamics.Joints.b2PrismaticJoint)
package Box2D.Dynamics.Joints {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Common.*;
public class b2PrismaticJoint extends b2Joint {
public var m_limitForce:Number;
public var m_lowerTranslation:Number;
public var m_localXAxis1:b2Vec2;
public var m_refAngle:Number;
public var m_torque:Number;
public var m_motorForce:Number;
public var m_enableLimit:Boolean;
public var m_angularMass:Number;
public var m_maxMotorForce:Number;
public var m_localYAxis1:b2Vec2;
public var m_force:Number;
public var m_motorMass:Number;
public var m_upperTranslation:Number;
public var m_localAnchor1:b2Vec2;
public var m_localAnchor2:b2Vec2;
public var m_limitState:int;
public var m_linearMass:Number;
public var m_motorJacobian:b2Jacobian;
public var m_limitPositionImpulse:Number;
public var m_motorSpeed:Number;
public var m_enableMotor:Boolean;
public var m_linearJacobian:b2Jacobian;
public function b2PrismaticJoint(def:b2PrismaticJointDef){
var tMat:b2Mat22;
var tX:Number;
var tY:Number;
m_localAnchor1 = new b2Vec2();
m_localAnchor2 = new b2Vec2();
m_localXAxis1 = new b2Vec2();
m_localYAxis1 = new b2Vec2();
m_linearJacobian = new b2Jacobian();
m_motorJacobian = new b2Jacobian();
super(def);
m_localAnchor1.SetV(def.localAnchor1);
m_localAnchor2.SetV(def.localAnchor2);
m_localXAxis1.SetV(def.localAxis1);
m_localYAxis1.x = -(m_localXAxis1.y);
m_localYAxis1.y = m_localXAxis1.x;
m_refAngle = def.referenceAngle;
m_linearJacobian.SetZero();
m_linearMass = 0;
m_force = 0;
m_angularMass = 0;
m_torque = 0;
m_motorJacobian.SetZero();
m_motorMass = 0;
m_motorForce = 0;
m_limitForce = 0;
m_limitPositionImpulse = 0;
m_lowerTranslation = def.lowerTranslation;
m_upperTranslation = def.upperTranslation;
m_maxMotorForce = def.maxMotorForce;
m_motorSpeed = def.motorSpeed;
m_enableLimit = def.enableLimit;
m_enableMotor = def.enableMotor;
}
override public function SolveVelocityConstraints(step:b2TimeStep):void{
var oldLimitForce:Number;
var motorCdot:Number;
var motorForce:Number;
var oldMotorForce:Number;
var limitCdot:Number;
var limitForce:Number;
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
var invMass1:Number = b1.m_invMass;
var invMass2:Number = b2.m_invMass;
var invI1:Number = b1.m_invI;
var invI2:Number = b2.m_invI;
var linearCdot:Number = m_linearJacobian.Compute(b1.m_linearVelocity, b1.m_angularVelocity, b2.m_linearVelocity, b2.m_angularVelocity);
var force:Number = ((-(step.inv_dt) * m_linearMass) * linearCdot);
m_force = (m_force + force);
var P:Number = (step.dt * force);
b1.m_linearVelocity.x = (b1.m_linearVelocity.x + ((invMass1 * P) * m_linearJacobian.linear1.x));
b1.m_linearVelocity.y = (b1.m_linearVelocity.y + ((invMass1 * P) * m_linearJacobian.linear1.y));
b1.m_angularVelocity = (b1.m_angularVelocity + ((invI1 * P) * m_linearJacobian.angular1));
b2.m_linearVelocity.x = (b2.m_linearVelocity.x + ((invMass2 * P) * m_linearJacobian.linear2.x));
b2.m_linearVelocity.y = (b2.m_linearVelocity.y + ((invMass2 * P) * m_linearJacobian.linear2.y));
b2.m_angularVelocity = (b2.m_angularVelocity + ((invI2 * P) * m_linearJacobian.angular2));
var angularCdot:Number = (b2.m_angularVelocity - b1.m_angularVelocity);
var torque:Number = ((-(step.inv_dt) * m_angularMass) * angularCdot);
m_torque = (m_torque + torque);
var L:Number = (step.dt * torque);
b1.m_angularVelocity = (b1.m_angularVelocity - (invI1 * L));
b2.m_angularVelocity = (b2.m_angularVelocity + (invI2 * L));
if (((m_enableMotor) && (!((m_limitState == e_equalLimits))))){
motorCdot = (m_motorJacobian.Compute(b1.m_linearVelocity, b1.m_angularVelocity, b2.m_linearVelocity, b2.m_angularVelocity) - m_motorSpeed);
motorForce = ((-(step.inv_dt) * m_motorMass) * motorCdot);
oldMotorForce = m_motorForce;
m_motorForce = b2Math.b2Clamp((m_motorForce + motorForce), -(m_maxMotorForce), m_maxMotorForce);
motorForce = (m_motorForce - oldMotorForce);
P = (step.dt * motorForce);
b1.m_linearVelocity.x = (b1.m_linearVelocity.x + ((invMass1 * P) * m_motorJacobian.linear1.x));
b1.m_linearVelocity.y = (b1.m_linearVelocity.y + ((invMass1 * P) * m_motorJacobian.linear1.y));
b1.m_angularVelocity = (b1.m_angularVelocity + ((invI1 * P) * m_motorJacobian.angular1));
b2.m_linearVelocity.x = (b2.m_linearVelocity.x + ((invMass2 * P) * m_motorJacobian.linear2.x));
b2.m_linearVelocity.y = (b2.m_linearVelocity.y + ((invMass2 * P) * m_motorJacobian.linear2.y));
b2.m_angularVelocity = (b2.m_angularVelocity + ((invI2 * P) * m_motorJacobian.angular2));
};
if (((m_enableLimit) && (!((m_limitState == e_inactiveLimit))))){
limitCdot = m_motorJacobian.Compute(b1.m_linearVelocity, b1.m_angularVelocity, b2.m_linearVelocity, b2.m_angularVelocity);
limitForce = ((-(step.inv_dt) * m_motorMass) * limitCdot);
if (m_limitState == e_equalLimits){
m_limitForce = (m_limitForce + limitForce);
} else {
if (m_limitState == e_atLowerLimit){
oldLimitForce = m_limitForce;
m_limitForce = b2Math.b2Max((m_limitForce + limitForce), 0);
limitForce = (m_limitForce - oldLimitForce);
} else {
if (m_limitState == e_atUpperLimit){
oldLimitForce = m_limitForce;
m_limitForce = b2Math.b2Min((m_limitForce + limitForce), 0);
limitForce = (m_limitForce - oldLimitForce);
};
};
};
P = (step.dt * limitForce);
b1.m_linearVelocity.x = (b1.m_linearVelocity.x + ((invMass1 * P) * m_motorJacobian.linear1.x));
b1.m_linearVelocity.y = (b1.m_linearVelocity.y + ((invMass1 * P) * m_motorJacobian.linear1.y));
b1.m_angularVelocity = (b1.m_angularVelocity + ((invI1 * P) * m_motorJacobian.angular1));
b2.m_linearVelocity.x = (b2.m_linearVelocity.x + ((invMass2 * P) * m_motorJacobian.linear2.x));
b2.m_linearVelocity.y = (b2.m_linearVelocity.y + ((invMass2 * P) * m_motorJacobian.linear2.y));
b2.m_angularVelocity = (b2.m_angularVelocity + ((invI2 * P) * m_motorJacobian.angular2));
};
}
override public function GetAnchor1():b2Vec2{
return (m_body1.GetWorldPoint(m_localAnchor1));
}
override public function GetAnchor2():b2Vec2{
return (m_body2.GetWorldPoint(m_localAnchor2));
}
public function GetUpperLimit():Number{
return (m_upperTranslation);
}
public function GetLowerLimit():Number{
return (m_lowerTranslation);
}
public function EnableMotor(flag:Boolean):void{
m_enableMotor = flag;
}
public function GetJointTranslation():Number{
var tMat:b2Mat22;
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
var p1:b2Vec2 = b1.GetWorldPoint(m_localAnchor1);
var p2:b2Vec2 = b2.GetWorldPoint(m_localAnchor2);
var dX:Number = (p2.x - p1.x);
var dY:Number = (p2.y - p1.y);
var axis:b2Vec2 = b1.GetWorldVector(m_localXAxis1);
var translation:Number = ((axis.x * dX) + (axis.y * dY));
return (translation);
}
public function GetMotorSpeed():Number{
return (m_motorSpeed);
}
override public function GetReactionForce():b2Vec2{
var tMat:b2Mat22 = m_body1.m_xf.R;
var ax1X:Number = (m_limitForce * ((tMat.col1.x * m_localXAxis1.x) + (tMat.col2.x * m_localXAxis1.y)));
var ax1Y:Number = (m_limitForce * ((tMat.col1.y * m_localXAxis1.x) + (tMat.col2.y * m_localXAxis1.y)));
var ay1X:Number = (m_force * ((tMat.col1.x * m_localYAxis1.x) + (tMat.col2.x * m_localYAxis1.y)));
var ay1Y:Number = (m_force * ((tMat.col1.y * m_localYAxis1.x) + (tMat.col2.y * m_localYAxis1.y)));
return (new b2Vec2(((m_limitForce * ax1X) + (m_force * ay1X)), ((m_limitForce * ax1Y) + (m_force * ay1Y))));
}
override public function SolvePositionConstraints():Boolean{
var limitC:Number;
var oldLimitImpulse:Number;
var tMat:b2Mat22;
var tX:Number;
var ax1X:Number;
var ax1Y:Number;
var translation:Number;
var limitImpulse:Number;
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
var invMass1:Number = b1.m_invMass;
var invMass2:Number = b2.m_invMass;
var invI1:Number = b1.m_invI;
var invI2:Number = b2.m_invI;
tMat = b1.m_xf.R;
var r1X:Number = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
var r1Y:Number = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
tMat = b2.m_xf.R;
var r2X:Number = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
var r2Y:Number = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
var p1X:Number = (b1.m_sweep.c.x + r1X);
var p1Y:Number = (b1.m_sweep.c.y + r1Y);
var p2X:Number = (b2.m_sweep.c.x + r2X);
var p2Y:Number = (b2.m_sweep.c.y + r2Y);
var dX:Number = (p2X - p1X);
var dY:Number = (p2Y - p1Y);
tMat = b1.m_xf.R;
var ay1X:Number = ((tMat.col1.x * m_localYAxis1.x) + (tMat.col2.x * m_localYAxis1.y));
var ay1Y:Number = ((tMat.col1.y * m_localYAxis1.x) + (tMat.col2.y * m_localYAxis1.y));
var linearC:Number = ((ay1X * dX) + (ay1Y * dY));
linearC = b2Math.b2Clamp(linearC, -(b2Settings.b2_maxLinearCorrection), b2Settings.b2_maxLinearCorrection);
var linearImpulse:Number = (-(m_linearMass) * linearC);
b1.m_sweep.c.x = (b1.m_sweep.c.x + ((invMass1 * linearImpulse) * m_linearJacobian.linear1.x));
b1.m_sweep.c.y = (b1.m_sweep.c.y + ((invMass1 * linearImpulse) * m_linearJacobian.linear1.y));
b1.m_sweep.a = (b1.m_sweep.a + ((invI1 * linearImpulse) * m_linearJacobian.angular1));
b2.m_sweep.c.x = (b2.m_sweep.c.x + ((invMass2 * linearImpulse) * m_linearJacobian.linear2.x));
b2.m_sweep.c.y = (b2.m_sweep.c.y + ((invMass2 * linearImpulse) * m_linearJacobian.linear2.y));
b2.m_sweep.a = (b2.m_sweep.a + ((invI2 * linearImpulse) * m_linearJacobian.angular2));
var positionError:Number = b2Math.b2Abs(linearC);
var angularC:Number = ((b2.m_sweep.a - b1.m_sweep.a) - m_refAngle);
angularC = b2Math.b2Clamp(angularC, -(b2Settings.b2_maxAngularCorrection), b2Settings.b2_maxAngularCorrection);
var angularImpulse:Number = (-(m_angularMass) * angularC);
b1.m_sweep.a = (b1.m_sweep.a - (b1.m_invI * angularImpulse));
b2.m_sweep.a = (b2.m_sweep.a + (b2.m_invI * angularImpulse));
b1.SynchronizeTransform();
b2.SynchronizeTransform();
var angularError:Number = b2Math.b2Abs(angularC);
if (((m_enableLimit) && (!((m_limitState == e_inactiveLimit))))){
tMat = b1.m_xf.R;
r1X = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
r1Y = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
tMat = b2.m_xf.R;
r2X = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
r2Y = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
p1X = (b1.m_sweep.c.x + r1X);
p1Y = (b1.m_sweep.c.y + r1Y);
p2X = (b2.m_sweep.c.x + r2X);
p2Y = (b2.m_sweep.c.y + r2Y);
dX = (p2X - p1X);
dY = (p2Y - p1Y);
tMat = b1.m_xf.R;
ax1X = ((tMat.col1.x * m_localXAxis1.x) + (tMat.col2.x * m_localXAxis1.y));
ax1Y = ((tMat.col1.y * m_localXAxis1.x) + (tMat.col2.y * m_localXAxis1.y));
translation = ((ax1X * dX) + (ax1Y * dY));
limitImpulse = 0;
if (m_limitState == e_equalLimits){
limitC = b2Math.b2Clamp(translation, -(b2Settings.b2_maxLinearCorrection), b2Settings.b2_maxLinearCorrection);
limitImpulse = (-(m_motorMass) * limitC);
positionError = b2Math.b2Max(positionError, b2Math.b2Abs(angularC));
} else {
if (m_limitState == e_atLowerLimit){
limitC = (translation - m_lowerTranslation);
positionError = b2Math.b2Max(positionError, -(limitC));
limitC = b2Math.b2Clamp((limitC + b2Settings.b2_linearSlop), -(b2Settings.b2_maxLinearCorrection), 0);
limitImpulse = (-(m_motorMass) * limitC);
oldLimitImpulse = m_limitPositionImpulse;
m_limitPositionImpulse = b2Math.b2Max((m_limitPositionImpulse + limitImpulse), 0);
limitImpulse = (m_limitPositionImpulse - oldLimitImpulse);
} else {
if (m_limitState == e_atUpperLimit){
limitC = (translation - m_upperTranslation);
positionError = b2Math.b2Max(positionError, limitC);
limitC = b2Math.b2Clamp((limitC - b2Settings.b2_linearSlop), 0, b2Settings.b2_maxLinearCorrection);
limitImpulse = (-(m_motorMass) * limitC);
oldLimitImpulse = m_limitPositionImpulse;
m_limitPositionImpulse = b2Math.b2Min((m_limitPositionImpulse + limitImpulse), 0);
limitImpulse = (m_limitPositionImpulse - oldLimitImpulse);
};
};
};
b1.m_sweep.c.x = (b1.m_sweep.c.x + ((invMass1 * limitImpulse) * m_motorJacobian.linear1.x));
b1.m_sweep.c.y = (b1.m_sweep.c.y + ((invMass1 * limitImpulse) * m_motorJacobian.linear1.y));
b1.m_sweep.a = (b1.m_sweep.a + ((invI1 * limitImpulse) * m_motorJacobian.angular1));
b2.m_sweep.c.x = (b2.m_sweep.c.x + ((invMass2 * limitImpulse) * m_motorJacobian.linear2.x));
b2.m_sweep.c.y = (b2.m_sweep.c.y + ((invMass2 * limitImpulse) * m_motorJacobian.linear2.y));
b2.m_sweep.a = (b2.m_sweep.a + ((invI2 * limitImpulse) * m_motorJacobian.angular2));
b1.SynchronizeTransform();
b2.SynchronizeTransform();
};
return ((((positionError <= b2Settings.b2_linearSlop)) && ((angularError <= b2Settings.b2_angularSlop))));
}
public function SetMotorSpeed(speed:Number):void{
m_motorSpeed = speed;
}
public function GetJointSpeed():Number{
var tMat:b2Mat22;
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
tMat = b1.m_xf.R;
var r1X:Number = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
var r1Y:Number = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
var tX:Number = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
tMat = b2.m_xf.R;
var r2X:Number = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
var r2Y:Number = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
var p1X:Number = (b1.m_sweep.c.x + r1X);
var p1Y:Number = (b1.m_sweep.c.y + r1Y);
var p2X:Number = (b2.m_sweep.c.x + r2X);
var p2Y:Number = (b2.m_sweep.c.y + r2Y);
var dX:Number = (p2X - p1X);
var dY:Number = (p2Y - p1Y);
var axis:b2Vec2 = b1.GetWorldVector(m_localXAxis1);
var v1:b2Vec2 = b1.m_linearVelocity;
var v2:b2Vec2 = b2.m_linearVelocity;
var w1:Number = b1.m_angularVelocity;
var w2:Number = b2.m_angularVelocity;
var speed:Number = (((dX * (-(w1) * axis.y)) + (dY * (w1 * axis.x))) + ((axis.x * (((v2.x + (-(w2) * r2Y)) - v1.x) - (-(w1) * r1Y))) + (axis.y * (((v2.y + (w2 * r2X)) - v1.y) - (w1 * r1X)))));
return (speed);
}
override public function InitVelocityConstraints(step:b2TimeStep):void{
var tMat:b2Mat22;
var tX:Number;
var ax1X:Number;
var ax1Y:Number;
var dX:Number;
var dY:Number;
var jointTranslation:Number;
var P1X:Number;
var P1Y:Number;
var P2X:Number;
var P2Y:Number;
var L1:Number;
var L2:Number;
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
tMat = b1.m_xf.R;
var r1X:Number = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
var r1Y:Number = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
tMat = b2.m_xf.R;
var r2X:Number = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
var r2Y:Number = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
var invMass1:Number = b1.m_invMass;
var invMass2:Number = b2.m_invMass;
var invI1:Number = b1.m_invI;
var invI2:Number = b2.m_invI;
tMat = b1.m_xf.R;
var ay1X:Number = ((tMat.col1.x * m_localYAxis1.x) + (tMat.col2.x * m_localYAxis1.y));
var ay1Y:Number = ((tMat.col1.y * m_localYAxis1.x) + (tMat.col2.y * m_localYAxis1.y));
var eX:Number = ((b2.m_sweep.c.x + r2X) - b1.m_sweep.c.x);
var eY:Number = ((b2.m_sweep.c.y + r2Y) - b1.m_sweep.c.y);
m_linearJacobian.linear1.x = -(ay1X);
m_linearJacobian.linear1.y = -(ay1Y);
m_linearJacobian.linear2.x = ay1X;
m_linearJacobian.linear2.y = ay1Y;
m_linearJacobian.angular1 = -(((eX * ay1Y) - (eY * ay1X)));
m_linearJacobian.angular2 = ((r2X * ay1Y) - (r2Y * ay1X));
m_linearMass = (((invMass1 + ((invI1 * m_linearJacobian.angular1) * m_linearJacobian.angular1)) + invMass2) + ((invI2 * m_linearJacobian.angular2) * m_linearJacobian.angular2));
m_linearMass = (1 / m_linearMass);
m_angularMass = (invI1 + invI2);
if (m_angularMass > Number.MIN_VALUE){
m_angularMass = (1 / m_angularMass);
};
if (((m_enableLimit) || (m_enableMotor))){
tMat = b1.m_xf.R;
ax1X = ((tMat.col1.x * m_localXAxis1.x) + (tMat.col2.x * m_localXAxis1.y));
ax1Y = ((tMat.col1.y * m_localXAxis1.x) + (tMat.col2.y * m_localXAxis1.y));
m_motorJacobian.linear1.x = -(ax1X);
m_motorJacobian.linear1.y = -(ax1Y);
m_motorJacobian.linear2.x = ax1X;
m_motorJacobian.linear2.y = ax1Y;
m_motorJacobian.angular1 = -(((eX * ax1Y) - (eY * ax1X)));
m_motorJacobian.angular2 = ((r2X * ax1Y) - (r2Y * ax1X));
m_motorMass = (((invMass1 + ((invI1 * m_motorJacobian.angular1) * m_motorJacobian.angular1)) + invMass2) + ((invI2 * m_motorJacobian.angular2) * m_motorJacobian.angular2));
m_motorMass = (1 / m_motorMass);
if (m_enableLimit){
dX = (eX - r1X);
dY = (eY - r1Y);
jointTranslation = ((ax1X * dX) + (ax1Y * dY));
if (b2Math.b2Abs((m_upperTranslation - m_lowerTranslation)) < (2 * b2Settings.b2_linearSlop)){
m_limitState = e_equalLimits;
} else {
if (jointTranslation <= m_lowerTranslation){
if (m_limitState != e_atLowerLimit){
m_limitForce = 0;
};
m_limitState = e_atLowerLimit;
} else {
if (jointTranslation >= m_upperTranslation){
if (m_limitState != e_atUpperLimit){
m_limitForce = 0;
};
m_limitState = e_atUpperLimit;
} else {
m_limitState = e_inactiveLimit;
m_limitForce = 0;
};
};
};
};
};
if (m_enableMotor == false){
m_motorForce = 0;
};
if (m_enableLimit == false){
m_limitForce = 0;
};
if (step.warmStarting){
P1X = (step.dt * ((m_force * m_linearJacobian.linear1.x) + ((m_motorForce + m_limitForce) * m_motorJacobian.linear1.x)));
P1Y = (step.dt * ((m_force * m_linearJacobian.linear1.y) + ((m_motorForce + m_limitForce) * m_motorJacobian.linear1.y)));
P2X = (step.dt * ((m_force * m_linearJacobian.linear2.x) + ((m_motorForce + m_limitForce) * m_motorJacobian.linear2.x)));
P2Y = (step.dt * ((m_force * m_linearJacobian.linear2.y) + ((m_motorForce + m_limitForce) * m_motorJacobian.linear2.y)));
L1 = (step.dt * (((m_force * m_linearJacobian.angular1) - m_torque) + ((m_motorForce + m_limitForce) * m_motorJacobian.angular1)));
L2 = (step.dt * (((m_force * m_linearJacobian.angular2) + m_torque) + ((m_motorForce + m_limitForce) * m_motorJacobian.angular2)));
b1.m_linearVelocity.x = (b1.m_linearVelocity.x + (invMass1 * P1X));
b1.m_linearVelocity.y = (b1.m_linearVelocity.y + (invMass1 * P1Y));
b1.m_angularVelocity = (b1.m_angularVelocity + (invI1 * L1));
b2.m_linearVelocity.x = (b2.m_linearVelocity.x + (invMass2 * P2X));
b2.m_linearVelocity.y = (b2.m_linearVelocity.y + (invMass2 * P2Y));
b2.m_angularVelocity = (b2.m_angularVelocity + (invI2 * L2));
} else {
m_force = 0;
m_torque = 0;
m_limitForce = 0;
m_motorForce = 0;
};
m_limitPositionImpulse = 0;
}
public function GetMotorForce():Number{
return (m_motorForce);
}
public function EnableLimit(flag:Boolean):void{
m_enableLimit = flag;
}
public function SetMaxMotorForce(force:Number):void{
m_maxMotorForce = force;
}
override public function GetReactionTorque():Number{
return (m_torque);
}
public function IsLimitEnabled():Boolean{
return (m_enableLimit);
}
public function IsMotorEnabled():Boolean{
return (m_enableMotor);
}
public function SetLimits(lower:Number, upper:Number):void{
m_lowerTranslation = lower;
m_upperTranslation = upper;
}
}
}//package Box2D.Dynamics.Joints
Section 66
//b2PrismaticJointDef (Box2D.Dynamics.Joints.b2PrismaticJointDef)
package Box2D.Dynamics.Joints {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
public class b2PrismaticJointDef extends b2JointDef {
public var motorSpeed:Number;
public var localAxis1:b2Vec2;
public var referenceAngle:Number;
public var upperTranslation:Number;
public var localAnchor1:b2Vec2;
public var localAnchor2:b2Vec2;
public var enableLimit:Boolean;
public var enableMotor:Boolean;
public var maxMotorForce:Number;
public var lowerTranslation:Number;
public function b2PrismaticJointDef(){
localAnchor1 = new b2Vec2();
localAnchor2 = new b2Vec2();
localAxis1 = new b2Vec2();
super();
type = b2Joint.e_prismaticJoint;
localAxis1.Set(1, 0);
referenceAngle = 0;
enableLimit = false;
lowerTranslation = 0;
upperTranslation = 0;
enableMotor = false;
maxMotorForce = 0;
motorSpeed = 0;
}
public function Initialize(b1:b2Body, b2:b2Body, anchor:b2Vec2, axis:b2Vec2):void{
body1 = b1;
body2 = b2;
localAnchor1 = body1.GetLocalPoint(anchor);
localAnchor2 = body2.GetLocalPoint(anchor);
localAxis1 = body1.GetLocalVector(axis);
referenceAngle = (body2.GetAngle() - body1.GetAngle());
}
}
}//package Box2D.Dynamics.Joints
Section 67
//b2PulleyJoint (Box2D.Dynamics.Joints.b2PulleyJoint)
package Box2D.Dynamics.Joints {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Common.*;
public class b2PulleyJoint extends b2Joint {
public var m_limitState1:int;
public var m_limitState2:int;
public var m_ground:b2Body;
public var m_maxLength2:Number;
public var m_maxLength1:Number;
public var m_limitPositionImpulse1:Number;
public var m_limitPositionImpulse2:Number;
public var m_force:Number;
public var m_constant:Number;
public var m_positionImpulse:Number;
public var m_state:int;
public var m_ratio:Number;
public var m_groundAnchor1:b2Vec2;
public var m_groundAnchor2:b2Vec2;
public var m_localAnchor1:b2Vec2;
public var m_localAnchor2:b2Vec2;
public var m_limitMass1:Number;
public var m_limitMass2:Number;
public var m_pulleyMass:Number;
public var m_u1:b2Vec2;
public var m_limitForce1:Number;
public var m_limitForce2:Number;
public var m_u2:b2Vec2;
public static const b2_minPulleyLength:Number = 2;
public function b2PulleyJoint(def:b2PulleyJointDef){
var tMat:b2Mat22;
var tX:Number;
var tY:Number;
m_groundAnchor1 = new b2Vec2();
m_groundAnchor2 = new b2Vec2();
m_localAnchor1 = new b2Vec2();
m_localAnchor2 = new b2Vec2();
m_u1 = new b2Vec2();
m_u2 = new b2Vec2();
super(def);
m_ground = m_body1.m_world.m_groundBody;
m_groundAnchor1.x = (def.groundAnchor1.x - m_ground.m_xf.position.x);
m_groundAnchor1.y = (def.groundAnchor1.y - m_ground.m_xf.position.y);
m_groundAnchor2.x = (def.groundAnchor2.x - m_ground.m_xf.position.x);
m_groundAnchor2.y = (def.groundAnchor2.y - m_ground.m_xf.position.y);
m_localAnchor1.SetV(def.localAnchor1);
m_localAnchor2.SetV(def.localAnchor2);
m_ratio = def.ratio;
m_constant = (def.length1 + (m_ratio * def.length2));
m_maxLength1 = b2Math.b2Min(def.maxLength1, (m_constant - (m_ratio * b2_minPulleyLength)));
m_maxLength2 = b2Math.b2Min(def.maxLength2, ((m_constant - b2_minPulleyLength) / m_ratio));
m_force = 0;
m_limitForce1 = 0;
m_limitForce2 = 0;
}
public function GetGroundAnchor2():b2Vec2{
var a:b2Vec2 = m_ground.m_xf.position.Copy();
a.Add(m_groundAnchor2);
return (a);
}
override public function GetAnchor1():b2Vec2{
return (m_body1.GetWorldPoint(m_localAnchor1));
}
override public function GetAnchor2():b2Vec2{
return (m_body2.GetWorldPoint(m_localAnchor2));
}
override public function GetReactionForce():b2Vec2{
var F:b2Vec2 = m_u2.Copy();
F.Multiply(m_force);
return (F);
}
override public function SolvePositionConstraints():Boolean{
var tMat:b2Mat22;
var r1X:Number;
var r1Y:Number;
var r2X:Number;
var r2Y:Number;
var p1X:Number;
var p1Y:Number;
var p2X:Number;
var p2Y:Number;
var length1:Number;
var length2:Number;
var C:Number;
var impulse:Number;
var oldImpulse:Number;
var oldLimitPositionImpulse:Number;
var tX:Number;
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
var s1X:Number = (m_ground.m_xf.position.x + m_groundAnchor1.x);
var s1Y:Number = (m_ground.m_xf.position.y + m_groundAnchor1.y);
var s2X:Number = (m_ground.m_xf.position.x + m_groundAnchor2.x);
var s2Y:Number = (m_ground.m_xf.position.y + m_groundAnchor2.y);
var linearError:Number = 0;
if (m_state == e_atUpperLimit){
tMat = b1.m_xf.R;
r1X = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
r1Y = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
tMat = b2.m_xf.R;
r2X = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
r2Y = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
p1X = (b1.m_sweep.c.x + r1X);
p1Y = (b1.m_sweep.c.y + r1Y);
p2X = (b2.m_sweep.c.x + r2X);
p2Y = (b2.m_sweep.c.y + r2Y);
m_u1.Set((p1X - s1X), (p1Y - s1Y));
m_u2.Set((p2X - s2X), (p2Y - s2Y));
length1 = m_u1.Length();
length2 = m_u2.Length();
if (length1 > b2Settings.b2_linearSlop){
m_u1.Multiply((1 / length1));
} else {
m_u1.SetZero();
};
if (length2 > b2Settings.b2_linearSlop){
m_u2.Multiply((1 / length2));
} else {
m_u2.SetZero();
};
C = ((m_constant - length1) - (m_ratio * length2));
linearError = b2Math.b2Max(linearError, -(C));
C = b2Math.b2Clamp((C + b2Settings.b2_linearSlop), -(b2Settings.b2_maxLinearCorrection), 0);
impulse = (-(m_pulleyMass) * C);
oldImpulse = m_positionImpulse;
m_positionImpulse = b2Math.b2Max(0, (m_positionImpulse + impulse));
impulse = (m_positionImpulse - oldImpulse);
p1X = (-(impulse) * m_u1.x);
p1Y = (-(impulse) * m_u1.y);
p2X = ((-(m_ratio) * impulse) * m_u2.x);
p2Y = ((-(m_ratio) * impulse) * m_u2.y);
b1.m_sweep.c.x = (b1.m_sweep.c.x + (b1.m_invMass * p1X));
b1.m_sweep.c.y = (b1.m_sweep.c.y + (b1.m_invMass * p1Y));
b1.m_sweep.a = (b1.m_sweep.a + (b1.m_invI * ((r1X * p1Y) - (r1Y * p1X))));
b2.m_sweep.c.x = (b2.m_sweep.c.x + (b2.m_invMass * p2X));
b2.m_sweep.c.y = (b2.m_sweep.c.y + (b2.m_invMass * p2Y));
b2.m_sweep.a = (b2.m_sweep.a + (b2.m_invI * ((r2X * p2Y) - (r2Y * p2X))));
b1.SynchronizeTransform();
b2.SynchronizeTransform();
};
if (m_limitState1 == e_atUpperLimit){
tMat = b1.m_xf.R;
r1X = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
r1Y = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
p1X = (b1.m_sweep.c.x + r1X);
p1Y = (b1.m_sweep.c.y + r1Y);
m_u1.Set((p1X - s1X), (p1Y - s1Y));
length1 = m_u1.Length();
if (length1 > b2Settings.b2_linearSlop){
m_u1.x = (m_u1.x * (1 / length1));
m_u1.y = (m_u1.y * (1 / length1));
} else {
m_u1.SetZero();
};
C = (m_maxLength1 - length1);
linearError = b2Math.b2Max(linearError, -(C));
C = b2Math.b2Clamp((C + b2Settings.b2_linearSlop), -(b2Settings.b2_maxLinearCorrection), 0);
impulse = (-(m_limitMass1) * C);
oldLimitPositionImpulse = m_limitPositionImpulse1;
m_limitPositionImpulse1 = b2Math.b2Max(0, (m_limitPositionImpulse1 + impulse));
impulse = (m_limitPositionImpulse1 - oldLimitPositionImpulse);
p1X = (-(impulse) * m_u1.x);
p1Y = (-(impulse) * m_u1.y);
b1.m_sweep.c.x = (b1.m_sweep.c.x + (b1.m_invMass * p1X));
b1.m_sweep.c.y = (b1.m_sweep.c.y + (b1.m_invMass * p1Y));
b1.m_sweep.a = (b1.m_sweep.a + (b1.m_invI * ((r1X * p1Y) - (r1Y * p1X))));
b1.SynchronizeTransform();
};
if (m_limitState2 == e_atUpperLimit){
tMat = b2.m_xf.R;
r2X = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
r2Y = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
p2X = (b2.m_sweep.c.x + r2X);
p2Y = (b2.m_sweep.c.y + r2Y);
m_u2.Set((p2X - s2X), (p2Y - s2Y));
length2 = m_u2.Length();
if (length2 > b2Settings.b2_linearSlop){
m_u2.x = (m_u2.x * (1 / length2));
m_u2.y = (m_u2.y * (1 / length2));
} else {
m_u2.SetZero();
};
C = (m_maxLength2 - length2);
linearError = b2Math.b2Max(linearError, -(C));
C = b2Math.b2Clamp((C + b2Settings.b2_linearSlop), -(b2Settings.b2_maxLinearCorrection), 0);
impulse = (-(m_limitMass2) * C);
oldLimitPositionImpulse = m_limitPositionImpulse2;
m_limitPositionImpulse2 = b2Math.b2Max(0, (m_limitPositionImpulse2 + impulse));
impulse = (m_limitPositionImpulse2 - oldLimitPositionImpulse);
p2X = (-(impulse) * m_u2.x);
p2Y = (-(impulse) * m_u2.y);
b2.m_sweep.c.x = (b2.m_sweep.c.x + (b2.m_invMass * p2X));
b2.m_sweep.c.y = (b2.m_sweep.c.y + (b2.m_invMass * p2Y));
b2.m_sweep.a = (b2.m_sweep.a + (b2.m_invI * ((r2X * p2Y) - (r2Y * p2X))));
b2.SynchronizeTransform();
};
return ((linearError < b2Settings.b2_linearSlop));
}
override public function InitVelocityConstraints(step:b2TimeStep):void{
var tMat:b2Mat22;
var P1X:Number;
var P1Y:Number;
var P2X:Number;
var P2Y:Number;
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
tMat = b1.m_xf.R;
var r1X:Number = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
var r1Y:Number = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
var tX:Number = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
tMat = b2.m_xf.R;
var r2X:Number = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
var r2Y:Number = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
var p1X:Number = (b1.m_sweep.c.x + r1X);
var p1Y:Number = (b1.m_sweep.c.y + r1Y);
var p2X:Number = (b2.m_sweep.c.x + r2X);
var p2Y:Number = (b2.m_sweep.c.y + r2Y);
var s1X:Number = (m_ground.m_xf.position.x + m_groundAnchor1.x);
var s1Y:Number = (m_ground.m_xf.position.y + m_groundAnchor1.y);
var s2X:Number = (m_ground.m_xf.position.x + m_groundAnchor2.x);
var s2Y:Number = (m_ground.m_xf.position.y + m_groundAnchor2.y);
m_u1.Set((p1X - s1X), (p1Y - s1Y));
m_u2.Set((p2X - s2X), (p2Y - s2Y));
var length1:Number = m_u1.Length();
var length2:Number = m_u2.Length();
if (length1 > b2Settings.b2_linearSlop){
m_u1.Multiply((1 / length1));
} else {
m_u1.SetZero();
};
if (length2 > b2Settings.b2_linearSlop){
m_u2.Multiply((1 / length2));
} else {
m_u2.SetZero();
};
var C:Number = ((m_constant - length1) - (m_ratio * length2));
if (C > 0){
m_state = e_inactiveLimit;
m_force = 0;
} else {
m_state = e_atUpperLimit;
m_positionImpulse = 0;
};
if (length1 < m_maxLength1){
m_limitState1 = e_inactiveLimit;
m_limitForce1 = 0;
} else {
m_limitState1 = e_atUpperLimit;
m_limitPositionImpulse1 = 0;
};
if (length2 < m_maxLength2){
m_limitState2 = e_inactiveLimit;
m_limitForce2 = 0;
} else {
m_limitState2 = e_atUpperLimit;
m_limitPositionImpulse2 = 0;
};
var cr1u1:Number = ((r1X * m_u1.y) - (r1Y * m_u1.x));
var cr2u2:Number = ((r2X * m_u2.y) - (r2Y * m_u2.x));
m_limitMass1 = (b1.m_invMass + ((b1.m_invI * cr1u1) * cr1u1));
m_limitMass2 = (b2.m_invMass + ((b2.m_invI * cr2u2) * cr2u2));
m_pulleyMass = (m_limitMass1 + ((m_ratio * m_ratio) * m_limitMass2));
m_limitMass1 = (1 / m_limitMass1);
m_limitMass2 = (1 / m_limitMass2);
m_pulleyMass = (1 / m_pulleyMass);
if (step.warmStarting){
P1X = ((step.dt * (-(m_force) - m_limitForce1)) * m_u1.x);
P1Y = ((step.dt * (-(m_force) - m_limitForce1)) * m_u1.y);
P2X = ((step.dt * ((-(m_ratio) * m_force) - m_limitForce2)) * m_u2.x);
P2Y = ((step.dt * ((-(m_ratio) * m_force) - m_limitForce2)) * m_u2.y);
b1.m_linearVelocity.x = (b1.m_linearVelocity.x + (b1.m_invMass * P1X));
b1.m_linearVelocity.y = (b1.m_linearVelocity.y + (b1.m_invMass * P1Y));
b1.m_angularVelocity = (b1.m_angularVelocity + (b1.m_invI * ((r1X * P1Y) - (r1Y * P1X))));
b2.m_linearVelocity.x = (b2.m_linearVelocity.x + (b2.m_invMass * P2X));
b2.m_linearVelocity.y = (b2.m_linearVelocity.y + (b2.m_invMass * P2Y));
b2.m_angularVelocity = (b2.m_angularVelocity + (b2.m_invI * ((r2X * P2Y) - (r2Y * P2X))));
} else {
m_force = 0;
m_limitForce1 = 0;
m_limitForce2 = 0;
};
}
override public function GetReactionTorque():Number{
return (0);
}
public function GetRatio():Number{
return (m_ratio);
}
override public function SolveVelocityConstraints(step:b2TimeStep):void{
var tMat:b2Mat22;
var v1X:Number;
var v1Y:Number;
var v2X:Number;
var v2Y:Number;
var P1X:Number;
var P1Y:Number;
var P2X:Number;
var P2Y:Number;
var Cdot:Number;
var force:Number;
var oldForce:Number;
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
tMat = b1.m_xf.R;
var r1X:Number = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
var r1Y:Number = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
var tX:Number = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
tMat = b2.m_xf.R;
var r2X:Number = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
var r2Y:Number = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
if (m_state == e_atUpperLimit){
v1X = (b1.m_linearVelocity.x + (-(b1.m_angularVelocity) * r1Y));
v1Y = (b1.m_linearVelocity.y + (b1.m_angularVelocity * r1X));
v2X = (b2.m_linearVelocity.x + (-(b2.m_angularVelocity) * r2Y));
v2Y = (b2.m_linearVelocity.y + (b2.m_angularVelocity * r2X));
Cdot = (-(((m_u1.x * v1X) + (m_u1.y * v1Y))) - (m_ratio * ((m_u2.x * v2X) + (m_u2.y * v2Y))));
force = ((-(step.inv_dt) * m_pulleyMass) * Cdot);
oldForce = m_force;
m_force = b2Math.b2Max(0, (m_force + force));
force = (m_force - oldForce);
P1X = ((-(step.dt) * force) * m_u1.x);
P1Y = ((-(step.dt) * force) * m_u1.y);
P2X = (((-(step.dt) * m_ratio) * force) * m_u2.x);
P2Y = (((-(step.dt) * m_ratio) * force) * m_u2.y);
b1.m_linearVelocity.x = (b1.m_linearVelocity.x + (b1.m_invMass * P1X));
b1.m_linearVelocity.y = (b1.m_linearVelocity.y + (b1.m_invMass * P1Y));
b1.m_angularVelocity = (b1.m_angularVelocity + (b1.m_invI * ((r1X * P1Y) - (r1Y * P1X))));
b2.m_linearVelocity.x = (b2.m_linearVelocity.x + (b2.m_invMass * P2X));
b2.m_linearVelocity.y = (b2.m_linearVelocity.y + (b2.m_invMass * P2Y));
b2.m_angularVelocity = (b2.m_angularVelocity + (b2.m_invI * ((r2X * P2Y) - (r2Y * P2X))));
};
if (m_limitState1 == e_atUpperLimit){
v1X = (b1.m_linearVelocity.x + (-(b1.m_angularVelocity) * r1Y));
v1Y = (b1.m_linearVelocity.y + (b1.m_angularVelocity * r1X));
Cdot = -(((m_u1.x * v1X) + (m_u1.y * v1Y)));
force = ((-(step.inv_dt) * m_limitMass1) * Cdot);
oldForce = m_limitForce1;
m_limitForce1 = b2Math.b2Max(0, (m_limitForce1 + force));
force = (m_limitForce1 - oldForce);
P1X = ((-(step.dt) * force) * m_u1.x);
P1Y = ((-(step.dt) * force) * m_u1.y);
b1.m_linearVelocity.x = (b1.m_linearVelocity.x + (b1.m_invMass * P1X));
b1.m_linearVelocity.y = (b1.m_linearVelocity.y + (b1.m_invMass * P1Y));
b1.m_angularVelocity = (b1.m_angularVelocity + (b1.m_invI * ((r1X * P1Y) - (r1Y * P1X))));
};
if (m_limitState2 == e_atUpperLimit){
v2X = (b2.m_linearVelocity.x + (-(b2.m_angularVelocity) * r2Y));
v2Y = (b2.m_linearVelocity.y + (b2.m_angularVelocity * r2X));
Cdot = -(((m_u2.x * v2X) + (m_u2.y * v2Y)));
force = ((-(step.inv_dt) * m_limitMass2) * Cdot);
oldForce = m_limitForce2;
m_limitForce2 = b2Math.b2Max(0, (m_limitForce2 + force));
force = (m_limitForce2 - oldForce);
P2X = ((-(step.dt) * force) * m_u2.x);
P2Y = ((-(step.dt) * force) * m_u2.y);
b2.m_linearVelocity.x = (b2.m_linearVelocity.x + (b2.m_invMass * P2X));
b2.m_linearVelocity.y = (b2.m_linearVelocity.y + (b2.m_invMass * P2Y));
b2.m_angularVelocity = (b2.m_angularVelocity + (b2.m_invI * ((r2X * P2Y) - (r2Y * P2X))));
};
}
public function GetLength1():Number{
var p:b2Vec2 = m_body1.GetWorldPoint(m_localAnchor1);
var sX:Number = (m_ground.m_xf.position.x + m_groundAnchor1.x);
var sY:Number = (m_ground.m_xf.position.y + m_groundAnchor1.y);
var dX:Number = (p.x - sX);
var dY:Number = (p.y - sY);
return (Math.sqrt(((dX * dX) + (dY * dY))));
}
public function GetLength2():Number{
var p:b2Vec2 = m_body2.GetWorldPoint(m_localAnchor2);
var sX:Number = (m_ground.m_xf.position.x + m_groundAnchor2.x);
var sY:Number = (m_ground.m_xf.position.y + m_groundAnchor2.y);
var dX:Number = (p.x - sX);
var dY:Number = (p.y - sY);
return (Math.sqrt(((dX * dX) + (dY * dY))));
}
public function GetGroundAnchor1():b2Vec2{
var a:b2Vec2 = m_ground.m_xf.position.Copy();
a.Add(m_groundAnchor1);
return (a);
}
}
}//package Box2D.Dynamics.Joints
Section 68
//b2PulleyJointDef (Box2D.Dynamics.Joints.b2PulleyJointDef)
package Box2D.Dynamics.Joints {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
public class b2PulleyJointDef extends b2JointDef {
public var maxLength1:Number;
public var maxLength2:Number;
public var length1:Number;
public var localAnchor1:b2Vec2;
public var localAnchor2:b2Vec2;
public var groundAnchor1:b2Vec2;
public var groundAnchor2:b2Vec2;
public var ratio:Number;
public var length2:Number;
public function b2PulleyJointDef(){
groundAnchor1 = new b2Vec2();
groundAnchor2 = new b2Vec2();
localAnchor1 = new b2Vec2();
localAnchor2 = new b2Vec2();
super();
type = b2Joint.e_pulleyJoint;
groundAnchor1.Set(-1, 1);
groundAnchor2.Set(1, 1);
localAnchor1.Set(-1, 0);
localAnchor2.Set(1, 0);
length1 = 0;
maxLength1 = 0;
length2 = 0;
maxLength2 = 0;
ratio = 1;
collideConnected = true;
}
public function Initialize(b1:b2Body, b2:b2Body, ga1:b2Vec2, ga2:b2Vec2, anchor1:b2Vec2, anchor2:b2Vec2, r:Number):void{
body1 = b1;
body2 = b2;
groundAnchor1.SetV(ga1);
groundAnchor2.SetV(ga2);
localAnchor1 = body1.GetLocalPoint(anchor1);
localAnchor2 = body2.GetLocalPoint(anchor2);
var d1X:Number = (anchor1.x - ga1.x);
var d1Y:Number = (anchor1.y - ga1.y);
length1 = Math.sqrt(((d1X * d1X) + (d1Y * d1Y)));
var d2X:Number = (anchor2.x - ga2.x);
var d2Y:Number = (anchor2.y - ga2.y);
length2 = Math.sqrt(((d2X * d2X) + (d2Y * d2Y)));
ratio = r;
var C:Number = (length1 + (ratio * length2));
maxLength1 = (C - (ratio * b2PulleyJoint.b2_minPulleyLength));
maxLength2 = ((C - b2PulleyJoint.b2_minPulleyLength) / ratio);
}
}
}//package Box2D.Dynamics.Joints
Section 69
//b2RevoluteJoint (Box2D.Dynamics.Joints.b2RevoluteJoint)
package Box2D.Dynamics.Joints {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Common.*;
public class b2RevoluteJoint extends b2Joint {
public var m_limitForce:Number;
public var m_pivotMass:b2Mat22;
public var m_motorForce:Number;
public var m_enableLimit:Boolean;
public var m_limitState:int;
public var m_motorMass:Number;
public var m_localAnchor1:b2Vec2;
public var m_localAnchor2:b2Vec2;
private var K1:b2Mat22;
private var K2:b2Mat22;
private var K3:b2Mat22;
private var K:b2Mat22;
public var m_pivotForce:b2Vec2;
public var m_enableMotor:Boolean;
public var m_referenceAngle:Number;
public var m_limitPositionImpulse:Number;
public var m_motorSpeed:Number;
public var m_upperAngle:Number;
public var m_lowerAngle:Number;
public var m_maxMotorTorque:Number;
public static var tImpulse:b2Vec2 = new b2Vec2();
public function b2RevoluteJoint(def:b2RevoluteJointDef){
K = new b2Mat22();
K1 = new b2Mat22();
K2 = new b2Mat22();
K3 = new b2Mat22();
m_localAnchor1 = new b2Vec2();
m_localAnchor2 = new b2Vec2();
m_pivotForce = new b2Vec2();
m_pivotMass = new b2Mat22();
super(def);
m_localAnchor1.SetV(def.localAnchor1);
m_localAnchor2.SetV(def.localAnchor2);
m_referenceAngle = def.referenceAngle;
m_pivotForce.Set(0, 0);
m_motorForce = 0;
m_limitForce = 0;
m_limitPositionImpulse = 0;
m_lowerAngle = def.lowerAngle;
m_upperAngle = def.upperAngle;
m_maxMotorTorque = def.maxMotorTorque;
m_motorSpeed = def.motorSpeed;
m_enableLimit = def.enableLimit;
m_enableMotor = def.enableMotor;
}
override public function SolveVelocityConstraints(step:b2TimeStep):void{
var tMat:b2Mat22;
var tX:Number;
var oldLimitForce:Number;
var motorCdot:Number;
var motorForce:Number;
var oldMotorForce:Number;
var limitCdot:Number;
var limitForce:Number;
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
tMat = b1.m_xf.R;
var r1X:Number = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
var r1Y:Number = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
tMat = b2.m_xf.R;
var r2X:Number = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
var r2Y:Number = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
var pivotCdotX:Number = (((b2.m_linearVelocity.x + (-(b2.m_angularVelocity) * r2Y)) - b1.m_linearVelocity.x) - (-(b1.m_angularVelocity) * r1Y));
var pivotCdotY:Number = (((b2.m_linearVelocity.y + (b2.m_angularVelocity * r2X)) - b1.m_linearVelocity.y) - (b1.m_angularVelocity * r1X));
var pivotForceX:Number = (-(step.inv_dt) * ((m_pivotMass.col1.x * pivotCdotX) + (m_pivotMass.col2.x * pivotCdotY)));
var pivotForceY:Number = (-(step.inv_dt) * ((m_pivotMass.col1.y * pivotCdotX) + (m_pivotMass.col2.y * pivotCdotY)));
m_pivotForce.x = (m_pivotForce.x + pivotForceX);
m_pivotForce.y = (m_pivotForce.y + pivotForceY);
var PX:Number = (step.dt * pivotForceX);
var PY:Number = (step.dt * pivotForceY);
b1.m_linearVelocity.x = (b1.m_linearVelocity.x - (b1.m_invMass * PX));
b1.m_linearVelocity.y = (b1.m_linearVelocity.y - (b1.m_invMass * PY));
b1.m_angularVelocity = (b1.m_angularVelocity - (b1.m_invI * ((r1X * PY) - (r1Y * PX))));
b2.m_linearVelocity.x = (b2.m_linearVelocity.x + (b2.m_invMass * PX));
b2.m_linearVelocity.y = (b2.m_linearVelocity.y + (b2.m_invMass * PY));
b2.m_angularVelocity = (b2.m_angularVelocity + (b2.m_invI * ((r2X * PY) - (r2Y * PX))));
if (((m_enableMotor) && (!((m_limitState == e_equalLimits))))){
motorCdot = ((b2.m_angularVelocity - b1.m_angularVelocity) - m_motorSpeed);
motorForce = ((-(step.inv_dt) * m_motorMass) * motorCdot);
oldMotorForce = m_motorForce;
m_motorForce = b2Math.b2Clamp((m_motorForce + motorForce), -(m_maxMotorTorque), m_maxMotorTorque);
motorForce = (m_motorForce - oldMotorForce);
b1.m_angularVelocity = (b1.m_angularVelocity - ((b1.m_invI * step.dt) * motorForce));
b2.m_angularVelocity = (b2.m_angularVelocity + ((b2.m_invI * step.dt) * motorForce));
};
if (((m_enableLimit) && (!((m_limitState == e_inactiveLimit))))){
limitCdot = (b2.m_angularVelocity - b1.m_angularVelocity);
limitForce = ((-(step.inv_dt) * m_motorMass) * limitCdot);
if (m_limitState == e_equalLimits){
m_limitForce = (m_limitForce + limitForce);
} else {
if (m_limitState == e_atLowerLimit){
oldLimitForce = m_limitForce;
m_limitForce = b2Math.b2Max((m_limitForce + limitForce), 0);
limitForce = (m_limitForce - oldLimitForce);
} else {
if (m_limitState == e_atUpperLimit){
oldLimitForce = m_limitForce;
m_limitForce = b2Math.b2Min((m_limitForce + limitForce), 0);
limitForce = (m_limitForce - oldLimitForce);
};
};
};
b1.m_angularVelocity = (b1.m_angularVelocity - ((b1.m_invI * step.dt) * limitForce));
b2.m_angularVelocity = (b2.m_angularVelocity + ((b2.m_invI * step.dt) * limitForce));
};
}
override public function GetAnchor1():b2Vec2{
return (m_body1.GetWorldPoint(m_localAnchor1));
}
override public function GetAnchor2():b2Vec2{
return (m_body2.GetWorldPoint(m_localAnchor2));
}
public function GetUpperLimit():Number{
return (m_upperAngle);
}
public function GetLowerLimit():Number{
return (m_lowerAngle);
}
public function EnableMotor(flag:Boolean):void{
m_enableMotor = flag;
}
public function GetMotorSpeed():Number{
return (m_motorSpeed);
}
override public function GetReactionForce():b2Vec2{
return (m_pivotForce);
}
override public function SolvePositionConstraints():Boolean{
var oldLimitImpulse:Number;
var limitC:Number;
var tMat:b2Mat22;
var angle:Number;
var limitImpulse:Number;
var b1:b2Body = m_body1;
var b2:b2Body = m_body2;
var positionError:Number = 0;
tMat = b1.m_xf.R;
var r1X:Number = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
var r1Y:Number = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
var tX:Number = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
tMat = b2.m_xf.R;
var r2X:Number = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
var r2Y:Number = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
var p1X:Number = (b1.m_sweep.c.x + r1X);
var p1Y:Number = (b1.m_sweep.c.y + r1Y);
var p2X:Number = (b2.m_sweep.c.x + r2X);
var p2Y:Number = (b2.m_sweep.c.y + r2Y);
var ptpCX:Number = (p2X - p1X);
var ptpCY:Number = (p2Y - p1Y);
positionError = Math.sqrt(((ptpCX * ptpCX) + (ptpCY * ptpCY)));
var invMass1:Number = b1.m_invMass;
var invMass2:Number = b2.m_invMass;
var invI1:Number = b1.m_invI;
var invI2:Number = b2.m_invI;
K1.col1.x = (invMass1 + invMass2);
K1.col2.x = 0;
K1.col1.y = 0;
K1.col2.y = (invMass1 + invMass2);
K2.col1.x = ((invI1 * r1Y) * r1Y);
K2.col2.x = ((-(invI1) * r1X) * r1Y);
K2.col1.y = ((-(invI1) * r1X) * r1Y);
K2.col2.y = ((invI1 * r1X) * r1X);
K3.col1.x = ((invI2 * r2Y) * r2Y);
K3.col2.x = ((-(invI2) * r2X) * r2Y);
K3.col1.y = ((-(invI2) * r2X) * r2Y);
K3.col2.y = ((invI2 * r2X) * r2X);
K.SetM(K1);
K.AddM(K2);
K.AddM(K3);
K.Solve(tImpulse, -(ptpCX), -(ptpCY));
var impulseX:Number = tImpulse.x;
var impulseY:Number = tImpulse.y;
b1.m_sweep.c.x = (b1.m_sweep.c.x - (b1.m_invMass * impulseX));
b1.m_sweep.c.y = (b1.m_sweep.c.y - (b1.m_invMass * impulseY));
b1.m_sweep.a = (b1.m_sweep.a - (b1.m_invI * ((r1X * impulseY) - (r1Y * impulseX))));
b2.m_sweep.c.x = (b2.m_sweep.c.x + (b2.m_invMass * impulseX));
b2.m_sweep.c.y = (b2.m_sweep.c.y + (b2.m_invMass * impulseY));
b2.m_sweep.a = (b2.m_sweep.a + (b2.m_invI * ((r2X * impulseY) - (r2Y * impulseX))));
b1.SynchronizeTransform();
b2.SynchronizeTransform();
var angularError:Number = 0;
if (((m_enableLimit) && (!((m_limitState == e_inactiveLimit))))){
angle = ((b2.m_sweep.a - b1.m_sweep.a) - m_referenceAngle);
limitImpulse = 0;
if (m_limitState == e_equalLimits){
limitC = b2Math.b2Clamp(angle, -(b2Settings.b2_maxAngularCorrection), b2Settings.b2_maxAngularCorrection);
limitImpulse = (-(m_motorMass) * limitC);
angularError = b2Math.b2Abs(limitC);
} else {
if (m_limitState == e_atLowerLimit){
limitC = (angle - m_lowerAngle);
angularError = b2Math.b2Max(0, -(limitC));
limitC = b2Math.b2Clamp((limitC + b2Settings.b2_angularSlop), -(b2Settings.b2_maxAngularCorrection), 0);
limitImpulse = (-(m_motorMass) * limitC);
oldLimitImpulse = m_limitPositionImpulse;
m_limitPositionImpulse = b2Math.b2Max((m_limitPositionImpulse + limitImpulse), 0);
limitImpulse = (m_limitPositionImpulse - oldLimitImpulse);
} else {
if (m_limitState == e_atUpperLimit){
limitC = (angle - m_upperAngle);
angularError = b2Math.b2Max(0, limitC);
limitC = b2Math.b2Clamp((limitC - b2Settings.b2_angularSlop), 0, b2Settings.b2_maxAngularCorrection);
limitImpulse = (-(m_motorMass) * limitC);
oldLimitImpulse = m_limitPositionImpulse;
m_limitPositionImpulse = b2Math.b2Min((m_limitPositionImpulse + limitImpulse), 0);
limitImpulse = (m_limitPositionImpulse - oldLimitImpulse);
};
};
};
b1.m_sweep.a = (b1.m_sweep.a - (b1.m_invI * limitImpulse));
b2.m_sweep.a = (b2.m_sweep.a + (b2.m_invI * limitImpulse));
b1.SynchronizeTransform();
b2.SynchronizeTransform();
};
return ((((positionError <= b2Settings.b2_linearSlop)) && ((angularError <= b2Settings.b2_angularSlop))));
}
public function SetMotorSpeed(speed:Number):void{
m_motorSpeed = speed;
}
public function GetJointSpeed():Number{
return ((m_body2.m_angularVelocity - m_body1.m_angularVelocity));
}
public function SetMaxMotorTorque(torque:Number):void{
m_maxMotorTorque = torque;
}
public function GetJointAngle():Number{
return (((m_body2.m_sweep.a - m_body1.m_sweep.a) - m_referenceAngle));
}
public function GetMotorTorque():Number{
return (m_motorForce);
}
override public function InitVelocityConstraints(step:b2TimeStep):void{
var b1:b2Body;
var b2:b2Body;
var tMat:b2Mat22;
var tX:Number;
var r1Y:Number;
var jointAngle:Number;
b1 = m_body1;
b2 = m_body2;
tMat = b1.m_xf.R;
var r1X:Number = (m_localAnchor1.x - b1.m_sweep.localCenter.x);
r1Y = (m_localAnchor1.y - b1.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r1X) + (tMat.col2.x * r1Y));
r1Y = ((tMat.col1.y * r1X) + (tMat.col2.y * r1Y));
r1X = tX;
tMat = b2.m_xf.R;
var r2X:Number = (m_localAnchor2.x - b2.m_sweep.localCenter.x);
var r2Y:Number = (m_localAnchor2.y - b2.m_sweep.localCenter.y);
tX = ((tMat.col1.x * r2X) + (tMat.col2.x * r2Y));
r2Y = ((tMat.col1.y * r2X) + (tMat.col2.y * r2Y));
r2X = tX;
var invMass1:Number = b1.m_invMass;
var invMass2:Number = b2.m_invMass;
var invI1:Number = b1.m_invI;
var invI2:Number = b2.m_invI;
K1.col1.x = (invMass1 + invMass2);
K1.col2.x = 0;
K1.col1.y = 0;
K1.col2.y = (invMass1 + invMass2);
K2.col1.x = ((invI1 * r1Y) * r1Y);
K2.col2.x = ((-(invI1) * r1X) * r1Y);
K2.col1.y = ((-(invI1) * r1X) * r1Y);
K2.col2.y = ((invI1 * r1X) * r1X);
K3.col1.x = ((invI2 * r2Y) * r2Y);
K3.col2.x = ((-(invI2) * r2X) * r2Y);
K3.col1.y = ((-(invI2) * r2X) * r2Y);
K3.col2.y = ((invI2 * r2X) * r2X);
K.SetM(K1);
K.AddM(K2);
K.AddM(K3);
K.Invert(m_pivotMass);
m_motorMass = (1 / (invI1 + invI2));
if (m_enableMotor == false){
m_motorForce = 0;
};
if (m_enableLimit){
jointAngle = ((b2.m_sweep.a - b1.m_sweep.a) - m_referenceAngle);
if (b2Math.b2Abs((m_upperAngle - m_lowerAngle)) < (2 * b2Settings.b2_angularSlop)){
m_limitState = e_equalLimits;
} else {
if (jointAngle <= m_lowerAngle){
if (m_limitState != e_atLowerLimit){
m_limitForce = 0;
};
m_limitState = e_atLowerLimit;
} else {
if (jointAngle >= m_upperAngle){
if (m_limitState != e_atUpperLimit){
m_limitForce = 0;
};
m_limitState = e_atUpperLimit;
} else {
m_limitState = e_inactiveLimit;
m_limitForce = 0;
};
};
};
} else {
m_limitForce = 0;
};
if (step.warmStarting){
b1.m_linearVelocity.x = (b1.m_linearVelocity.x - ((step.dt * invMass1) * m_pivotForce.x));
b1.m_linearVelocity.y = (b1.m_linearVelocity.y - ((step.dt * invMass1) * m_pivotForce.y));
b1.m_angularVelocity = (b1.m_angularVelocity - ((step.dt * invI1) * ((((r1X * m_pivotForce.y) - (r1Y * m_pivotForce.x)) + m_motorForce) + m_limitForce)));
b2.m_linearVelocity.x = (b2.m_linearVelocity.x + ((step.dt * invMass2) * m_pivotForce.x));
b2.m_linearVelocity.y = (b2.m_linearVelocity.y + ((step.dt * invMass2) * m_pivotForce.y));
b2.m_angularVelocity = (b2.m_angularVelocity + ((step.dt * invI2) * ((((r2X * m_pivotForce.y) - (r2Y * m_pivotForce.x)) + m_motorForce) + m_limitForce)));
} else {
m_pivotForce.SetZero();
m_motorForce = 0;
m_limitForce = 0;
};
m_limitPositionImpulse = 0;
}
public function EnableLimit(flag:Boolean):void{
m_enableLimit = flag;
}
override public function GetReactionTorque():Number{
return (m_limitForce);
}
public function IsLimitEnabled():Boolean{
return (m_enableLimit);
}
public function IsMotorEnabled():Boolean{
return (m_enableMotor);
}
public function SetLimits(lower:Number, upper:Number):void{
m_lowerAngle = lower;
m_upperAngle = upper;
}
}
}//package Box2D.Dynamics.Joints
Section 70
//b2RevoluteJointDef (Box2D.Dynamics.Joints.b2RevoluteJointDef)
package Box2D.Dynamics.Joints {
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
public class b2RevoluteJointDef extends b2JointDef {
public var upperAngle:Number;
public var enableMotor:Boolean;
public var referenceAngle:Number;
public var motorSpeed:Number;
public var localAnchor1:b2Vec2;
public var localAnchor2:b2Vec2;
public var enableLimit:Boolean;
public var lowerAngle:Number;
public var maxMotorTorque:Number;
public function b2RevoluteJointDef(){
localAnchor1 = new b2Vec2();
localAnchor2 = new b2Vec2();
super();
type = b2Joint.e_revoluteJoint;
localAnchor1.Set(0, 0);
localAnchor2.Set(0, 0);
referenceAngle = 0;
lowerAngle = 0;
upperAngle = 0;
maxMotorTorque = 0;
motorSpeed = 0;
enableLimit = false;
enableMotor = false;
}
public function Initialize(b1:b2Body, b2:b2Body, anchor:b2Vec2):void{
body1 = b1;
body2 = b2;
localAnchor1 = body1.GetLocalPoint(anchor);
localAnchor2 = body2.GetLocalPoint(anchor);
referenceAngle = (body2.GetAngle() - body1.GetAngle());
}
}
}//package Box2D.Dynamics.Joints
Section 71
//b2Body (Box2D.Dynamics.b2Body)
package Box2D.Dynamics {
import Box2D.Common.Math.*;
import Box2D.Collision.Shapes.*;
import Box2D.Dynamics.Joints.*;
import Box2D.Dynamics.Contacts.*;
public class b2Body {
public var m_next:b2Body;
public var m_xf:b2XForm;
public var m_contactList:b2ContactEdge;
public var m_angularVelocity:Number;
public var m_shapeList:b2Shape;
public var m_force:b2Vec2;
public var m_mass:Number;
public var m_sweep:b2Sweep;
public var m_torque:Number;
public var m_userData;
public var m_flags:uint;
public var m_world:b2World;
public var m_prev:b2Body;
public var m_invMass:Number;
public var m_type:int;
public var m_linearDamping:Number;
public var m_shapeCount:int;
public var m_angularDamping:Number;
public var m_invI:Number;
public var m_linearVelocity:b2Vec2;
public var m_sleepTime:Number;
public var m_jointList:b2JointEdge;
public var m_I:Number;
public static var e_fixedRotationFlag:uint = 64;
public static var e_frozenFlag:uint = 2;
public static var e_maxTypes:uint = 3;
public static var e_sleepFlag:uint = 8;
private static var s_massData:b2MassData = new b2MassData();
public static var e_bulletFlag:uint = 32;
public static var e_staticType:uint = 1;
public static var e_islandFlag:uint = 4;
public static var e_allowSleepFlag:uint = 16;
private static var s_xf1:b2XForm = new b2XForm();
public static var e_dynamicType:uint = 2;
public function b2Body(bd:b2BodyDef, world:b2World){
m_xf = new b2XForm();
m_sweep = new b2Sweep();
m_linearVelocity = new b2Vec2();
m_force = new b2Vec2();
super();
m_flags = 0;
if (bd.isBullet){
m_flags = (m_flags | e_bulletFlag);
};
if (bd.fixedRotation){
m_flags = (m_flags | e_fixedRotationFlag);
};
if (bd.allowSleep){
m_flags = (m_flags | e_allowSleepFlag);
};
if (bd.isSleeping){
m_flags = (m_flags | e_sleepFlag);
};
m_world = world;
m_xf.position.SetV(bd.position);
m_xf.R.Set(bd.angle);
m_sweep.localCenter.SetV(bd.massData.center);
m_sweep.t0 = 1;
m_sweep.a0 = (m_sweep.a = bd.angle);
var tMat:b2Mat22 = m_xf.R;
var tVec:b2Vec2 = m_sweep.localCenter;
m_sweep.c.x = ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y));
m_sweep.c.y = ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y));
m_sweep.c.x = (m_sweep.c.x + m_xf.position.x);
m_sweep.c.y = (m_sweep.c.y + m_xf.position.y);
m_sweep.c0.SetV(m_sweep.c);
m_jointList = null;
m_contactList = null;
m_prev = null;
m_next = null;
m_linearDamping = bd.linearDamping;
m_angularDamping = bd.angularDamping;
m_force.Set(0, 0);
m_torque = 0;
m_linearVelocity.SetZero();
m_angularVelocity = 0;
m_sleepTime = 0;
m_invMass = 0;
m_I = 0;
m_invI = 0;
m_mass = bd.massData.mass;
if (m_mass > 0){
m_invMass = (1 / m_mass);
};
if ((m_flags & b2Body.e_fixedRotationFlag) == 0){
m_I = bd.massData.I;
};
if (m_I > 0){
m_invI = (1 / m_I);
};
if ((((m_invMass == 0)) && ((m_invI == 0)))){
m_type = e_staticType;
} else {
m_type = e_dynamicType;
};
m_userData = bd.userData;
m_shapeList = null;
m_shapeCount = 0;
}
public function GetLinearVelocityFromWorldPoint(worldPoint:b2Vec2):b2Vec2{
return (new b2Vec2((m_linearVelocity.x - (m_angularVelocity * (worldPoint.y - m_sweep.c.y))), (m_linearVelocity.y + (m_angularVelocity * (worldPoint.x - m_sweep.c.x)))));
}
public function SetLinearVelocity(v:b2Vec2):void{
m_linearVelocity.SetV(v);
}
public function WakeUp():void{
m_flags = (m_flags & ~(e_sleepFlag));
m_sleepTime = 0;
}
public function GetLocalCenter():b2Vec2{
return (m_sweep.localCenter);
}
public function ApplyTorque(torque:Number):void{
if (IsSleeping()){
WakeUp();
};
m_torque = (m_torque + torque);
}
public function IsFrozen():Boolean{
return (((m_flags & e_frozenFlag) == e_frozenFlag));
}
public function IsDynamic():Boolean{
return ((m_type == e_dynamicType));
}
public function GetLinearVelocity():b2Vec2{
return (m_linearVelocity);
}
public function SynchronizeTransform():void{
m_xf.R.Set(m_sweep.a);
var tMat:b2Mat22 = m_xf.R;
var tVec:b2Vec2 = m_sweep.localCenter;
m_xf.position.x = (m_sweep.c.x - ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
m_xf.position.y = (m_sweep.c.y - ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
}
public function GetInertia():Number{
return (m_I);
}
public function IsSleeping():Boolean{
return (((m_flags & e_sleepFlag) == e_sleepFlag));
}
public function SetMassFromShapes():void{
var s:b2Shape;
if (m_world.m_lock == true){
return;
};
m_mass = 0;
m_invMass = 0;
m_I = 0;
m_invI = 0;
var centerX:Number = 0;
var centerY:Number = 0;
var massData:b2MassData = s_massData;
s = m_shapeList;
while (s) {
s.ComputeMass(massData);
m_mass = (m_mass + massData.mass);
centerX = (centerX + (massData.mass * massData.center.x));
centerY = (centerY + (massData.mass * massData.center.y));
m_I = (m_I + massData.I);
s = s.m_next;
};
if (m_mass > 0){
m_invMass = (1 / m_mass);
centerX = (centerX * m_invMass);
centerY = (centerY * m_invMass);
};
if ((((m_I > 0)) && (((m_flags & e_fixedRotationFlag) == 0)))){
m_I = (m_I - (m_mass * ((centerX * centerX) + (centerY * centerY))));
m_invI = (1 / m_I);
} else {
m_I = 0;
m_invI = 0;
};
m_sweep.localCenter.Set(centerX, centerY);
var tMat:b2Mat22 = m_xf.R;
var tVec:b2Vec2 = m_sweep.localCenter;
m_sweep.c.x = ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y));
m_sweep.c.y = ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y));
m_sweep.c.x = (m_sweep.c.x + m_xf.position.x);
m_sweep.c.y = (m_sweep.c.y + m_xf.position.y);
m_sweep.c0.SetV(m_sweep.c);
s = m_shapeList;
while (s) {
s.UpdateSweepRadius(m_sweep.localCenter);
s = s.m_next;
};
var oldType:int = m_type;
if ((((m_invMass == 0)) && ((m_invI == 0)))){
m_type = e_staticType;
} else {
m_type = e_dynamicType;
};
if (oldType != m_type){
s = m_shapeList;
while (s) {
s.RefilterProxy(m_world.m_broadPhase, m_xf);
s = s.m_next;
};
};
}
public function PutToSleep():void{
m_flags = (m_flags | e_sleepFlag);
m_sleepTime = 0;
m_linearVelocity.SetZero();
m_angularVelocity = 0;
m_force.SetZero();
m_torque = 0;
}
public function GetJointList():b2JointEdge{
return (m_jointList);
}
public function SetXForm(position:b2Vec2, angle:Number, temp:Boolean=false):Boolean{
var s:b2Shape;
var inRange:Boolean;
if (temp){
m_world.m_lock = false;
};
if (m_world.m_lock == true){
return (true);
};
if (IsFrozen()){
return (false);
};
m_xf.R.Set(angle);
m_xf.position.SetV(position);
var tMat:b2Mat22 = m_xf.R;
var tVec:b2Vec2 = m_sweep.localCenter;
m_sweep.c.x = ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y));
m_sweep.c.y = ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y));
m_sweep.c.x = (m_sweep.c.x + m_xf.position.x);
m_sweep.c.y = (m_sweep.c.y + m_xf.position.y);
m_sweep.c0.SetV(m_sweep.c);
m_sweep.a0 = (m_sweep.a = angle);
var freeze:Boolean;
s = m_shapeList;
while (s) {
inRange = s.Synchronize(m_world.m_broadPhase, m_xf, m_xf);
if (inRange == false){
freeze = true;
break;
};
s = s.m_next;
};
if (freeze == true){
m_flags = (m_flags | e_frozenFlag);
m_linearVelocity.SetZero();
m_angularVelocity = 0;
s = m_shapeList;
while (s) {
s.DestroyProxy(m_world.m_broadPhase);
s = s.m_next;
};
return (false);
};
m_world.m_broadPhase.Commit();
return (true);
}
public function GetLocalPoint(worldPoint:b2Vec2):b2Vec2{
return (b2Math.b2MulXT(m_xf, worldPoint));
}
public function ApplyForce(force:b2Vec2, point:b2Vec2):void{
if (IsSleeping()){
WakeUp();
};
m_force.x = (m_force.x + force.x);
m_force.y = (m_force.y + force.y);
m_torque = (m_torque + (((point.x - m_sweep.c.x) * force.y) - ((point.y - m_sweep.c.y) * force.x)));
}
public function SynchronizeShapes():Boolean{
var s:b2Shape;
var xf1:b2XForm = s_xf1;
xf1.R.Set(m_sweep.a0);
var tMat:b2Mat22 = xf1.R;
var tVec:b2Vec2 = m_sweep.localCenter;
xf1.position.x = (m_sweep.c0.x - ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
xf1.position.y = (m_sweep.c0.y - ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
var inRange:Boolean;
s = m_shapeList;
while (s) {
inRange = s.Synchronize(m_world.m_broadPhase, xf1, m_xf);
if (inRange == false){
break;
};
s = s.m_next;
};
if (inRange == false){
m_flags = (m_flags | e_frozenFlag);
m_linearVelocity.SetZero();
m_angularVelocity = 0;
s = m_shapeList;
while (s) {
s.DestroyProxy(m_world.m_broadPhase);
s = s.m_next;
};
return (false);
};
return (true);
}
public function GetAngle():Number{
return (m_sweep.a);
}
public function GetXForm():b2XForm{
return (m_xf);
}
public function GetLinearVelocityFromLocalPoint(localPoint:b2Vec2):b2Vec2{
var A:b2Mat22 = m_xf.R;
var worldPoint:b2Vec2 = new b2Vec2(((A.col1.x * localPoint.x) + (A.col2.x * localPoint.y)), ((A.col1.y * localPoint.x) + (A.col2.y * localPoint.y)));
worldPoint.x = (worldPoint.x + m_xf.position.x);
worldPoint.y = (worldPoint.y + m_xf.position.y);
return (new b2Vec2((m_linearVelocity.x + (m_angularVelocity * (worldPoint.y - m_sweep.c.y))), (m_linearVelocity.x - (m_angularVelocity * (worldPoint.x - m_sweep.c.x)))));
}
public function GetNext():b2Body{
return (m_next);
}
public function GetMass():Number{
return (m_mass);
}
public function ApplyImpulse(impulse:b2Vec2, point:b2Vec2):void{
if (IsSleeping()){
WakeUp();
};
m_linearVelocity.x = (m_linearVelocity.x + (m_invMass * impulse.x));
m_linearVelocity.y = (m_linearVelocity.y + (m_invMass * impulse.y));
m_angularVelocity = (m_angularVelocity + (m_invI * (((point.x - m_sweep.c.x) * impulse.y) - ((point.y - m_sweep.c.y) * impulse.x))));
}
public function GetAngularVelocity():Number{
return (m_angularVelocity);
}
public function SetAngularVelocity(omega:Number):void{
m_angularVelocity = omega;
}
public function SetMass(massData:b2MassData):void{
var s:b2Shape;
if (m_world.m_lock == true){
return;
};
m_invMass = 0;
m_I = 0;
m_invI = 0;
m_mass = massData.mass;
if (m_mass > 0){
m_invMass = (1 / m_mass);
};
if ((m_flags & b2Body.e_fixedRotationFlag) == 0){
m_I = massData.I;
};
if (m_I > 0){
m_invI = (1 / m_I);
};
m_sweep.localCenter.SetV(massData.center);
var tMat:b2Mat22 = m_xf.R;
var tVec:b2Vec2 = m_sweep.localCenter;
m_sweep.c.x = ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y));
m_sweep.c.y = ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y));
m_sweep.c.x = (m_sweep.c.x + m_xf.position.x);
m_sweep.c.y = (m_sweep.c.y + m_xf.position.y);
m_sweep.c0.SetV(m_sweep.c);
s = m_shapeList;
while (s) {
s.UpdateSweepRadius(m_sweep.localCenter);
s = s.m_next;
};
var oldType:int = m_type;
if ((((m_invMass == 0)) && ((m_invI == 0)))){
m_type = e_staticType;
} else {
m_type = e_dynamicType;
};
if (oldType != m_type){
s = m_shapeList;
while (s) {
s.RefilterProxy(m_world.m_broadPhase, m_xf);
s = s.m_next;
};
};
}
public function IsStatic():Boolean{
return ((m_type == e_staticType));
}
public function GetWorldVector(localVector:b2Vec2):b2Vec2{
return (b2Math.b2MulMV(m_xf.R, localVector));
}
public function GetShapeList():b2Shape{
return (m_shapeList);
}
public function Advance(t:Number):void{
m_sweep.Advance(t);
m_sweep.c.SetV(m_sweep.c0);
m_sweep.a = m_sweep.a0;
SynchronizeTransform();
}
public function SetBullet(flag:Boolean):void{
if (flag){
m_flags = (m_flags | e_bulletFlag);
} else {
m_flags = (m_flags & ~(e_bulletFlag));
};
}
public function CreateShape(def:b2ShapeDef):b2Shape{
var s:b2Shape;
if (m_world.m_lock == true){
return (null);
};
s = b2Shape.Create(def, m_world.m_blockAllocator);
s.m_next = m_shapeList;
m_shapeList = s;
m_shapeCount++;
s.m_body = this;
s.CreateProxy(m_world.m_broadPhase, m_xf);
s.UpdateSweepRadius(m_sweep.localCenter);
return (s);
}
public function IsConnected(other:b2Body):Boolean{
var jn:b2JointEdge = m_jointList;
while (jn) {
if (jn.other == other){
return ((jn.joint.m_collideConnected == false));
};
jn = jn.next;
};
return (false);
}
public function DestroyShape(s:b2Shape):void{
if (m_world.m_lock == true){
return;
};
s.DestroyProxy(m_world.m_broadPhase);
var node:b2Shape = m_shapeList;
var ppS:b2Shape;
var found:Boolean;
while (node != null) {
if (node == s){
if (ppS){
ppS.m_next = s.m_next;
} else {
m_shapeList = s.m_next;
};
found = true;
break;
};
ppS = node;
node = node.m_next;
};
s.m_body = null;
s.m_next = null;
m_shapeCount--;
b2Shape.Destroy(s, m_world.m_blockAllocator);
}
public function GetUserData(){
return (m_userData);
}
public function IsBullet():Boolean{
return (((m_flags & e_bulletFlag) == e_bulletFlag));
}
public function GetWorldCenter():b2Vec2{
return (m_sweep.c);
}
public function AllowSleeping(flag:Boolean):void{
if (flag){
m_flags = (m_flags | e_allowSleepFlag);
} else {
m_flags = (m_flags & ~(e_allowSleepFlag));
WakeUp();
};
}
public function SetUserData(data):void{
m_userData = data;
}
public function GetLocalVector(worldVector:b2Vec2):b2Vec2{
return (b2Math.b2MulTMV(m_xf.R, worldVector));
}
public function GetWorldPoint(localPoint:b2Vec2):b2Vec2{
var A:b2Mat22 = m_xf.R;
var u:b2Vec2 = new b2Vec2(((A.col1.x * localPoint.x) + (A.col2.x * localPoint.y)), ((A.col1.y * localPoint.x) + (A.col2.y * localPoint.y)));
u.x = (u.x + m_xf.position.x);
u.y = (u.y + m_xf.position.y);
return (u);
}
public function GetWorld():b2World{
return (m_world);
}
public function GetPosition():b2Vec2{
return (m_xf.position);
}
}
}//package Box2D.Dynamics
Section 72
//b2BodyDef (Box2D.Dynamics.b2BodyDef)
package Box2D.Dynamics {
import Box2D.Common.Math.*;
import Box2D.Collision.Shapes.*;
public class b2BodyDef {
public var angularDamping:Number;
public var angle:Number;
public var isSleeping:Boolean;
public var position:b2Vec2;
public var isBullet:Boolean;
public var allowSleep:Boolean;
public var userData;
public var fixedRotation:Boolean;
public var linearDamping:Number;
public var massData:b2MassData;
public function b2BodyDef(){
massData = new b2MassData();
position = new b2Vec2();
super();
massData.center.SetZero();
massData.mass = 0;
massData.I = 0;
userData = null;
position.Set(0, 0);
angle = 0;
linearDamping = 0;
angularDamping = 0;
allowSleep = true;
isSleeping = false;
fixedRotation = false;
isBullet = false;
}
}
}//package Box2D.Dynamics
Section 73
//b2BoundaryListener (Box2D.Dynamics.b2BoundaryListener)
package Box2D.Dynamics {
public class b2BoundaryListener {
public function Violation(body:b2Body):void{
}
}
}//package Box2D.Dynamics
Section 74
//b2ContactFilter (Box2D.Dynamics.b2ContactFilter)
package Box2D.Dynamics {
import Box2D.Collision.Shapes.*;
public class b2ContactFilter {
public static var b2_defaultFilter:b2ContactFilter = new (b2ContactFilter);
;
public function ShouldCollide(shape1:b2Shape, shape2:b2Shape):Boolean{
var filter1:b2FilterData = shape1.GetFilterData();
var filter2:b2FilterData = shape2.GetFilterData();
if ((((filter1.groupIndex == filter2.groupIndex)) && (!((filter1.groupIndex == 0))))){
return ((filter1.groupIndex > 0));
};
var collide:Boolean = ((!(((filter1.maskBits & filter2.categoryBits) == 0))) && (!(((filter1.categoryBits & filter2.maskBits) == 0))));
return (collide);
}
}
}//package Box2D.Dynamics
Section 75
//b2ContactListener (Box2D.Dynamics.b2ContactListener)
package Box2D.Dynamics {
import Box2D.Collision.*;
import Box2D.Dynamics.Contacts.*;
public class b2ContactListener {
public function Add(point:b2ContactPoint):void{
}
public function Remove(point:b2ContactPoint):void{
}
public function Persist(point:b2ContactPoint):void{
}
public function Result(point:b2ContactResult):void{
}
}
}//package Box2D.Dynamics
Section 76
//b2ContactManager (Box2D.Dynamics.b2ContactManager)
package Box2D.Dynamics {
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import Box2D.Collision.Shapes.*;
import Box2D.Dynamics.Contacts.*;
import Box2D.Common.*;
public class b2ContactManager extends b2PairCallback {
public var m_world:b2World;
public var m_destroyImmediate:Boolean;
public var m_nullContact:b2NullContact;
private static const s_evalCP:b2ContactPoint = new b2ContactPoint();
public function b2ContactManager(){
m_nullContact = new b2NullContact();
super();
m_world = null;
m_destroyImmediate = false;
}
override public function PairRemoved(proxyUserData1, proxyUserData2, pairUserData):void{
if (pairUserData == null){
return;
};
var c:b2Contact = (pairUserData as b2Contact);
if (c == m_nullContact){
return;
};
Destroy(c);
}
public function Destroy(c:b2Contact):void{
var b1:b2Body;
var b2:b2Body;
var manifolds:Array;
var cp:b2ContactPoint;
var i:int;
var manifold:b2Manifold;
var j:int;
var mp:b2ManifoldPoint;
var v1:b2Vec2;
var v2:b2Vec2;
var shape1:b2Shape = c.m_shape1;
var shape2:b2Shape = c.m_shape2;
var manifoldCount:int = c.m_manifoldCount;
if ((((manifoldCount > 0)) && (m_world.m_contactListener))){
b1 = shape1.m_body;
b2 = shape2.m_body;
manifolds = c.GetManifolds();
cp = s_evalCP;
cp.shape1 = c.m_shape1;
cp.shape2 = c.m_shape2;
cp.friction = c.m_friction;
cp.restitution = c.m_restitution;
i = 0;
while (i < manifoldCount) {
manifold = manifolds[i];
cp.normal.SetV(manifold.normal);
j = 0;
while (j < manifold.pointCount) {
mp = manifold.points[j];
cp.position = b1.GetWorldPoint(mp.localPoint1);
v1 = b1.GetLinearVelocityFromLocalPoint(mp.localPoint1);
v2 = b2.GetLinearVelocityFromLocalPoint(mp.localPoint2);
cp.velocity.Set((v2.x - v1.x), (v2.y - v1.y));
cp.separation = mp.separation;
cp.id.key = mp.id._key;
m_world.m_contactListener.Remove(cp);
j++;
};
i++;
};
};
if (c.m_prev){
c.m_prev.m_next = c.m_next;
};
if (c.m_next){
c.m_next.m_prev = c.m_prev;
};
if (c == m_world.m_contactList){
m_world.m_contactList = c.m_next;
};
var body1:b2Body = shape1.m_body;
var body2:b2Body = shape2.m_body;
if (c.m_node1.prev){
c.m_node1.prev.next = c.m_node1.next;
};
if (c.m_node1.next){
c.m_node1.next.prev = c.m_node1.prev;
};
if (c.m_node1 == body1.m_contactList){
body1.m_contactList = c.m_node1.next;
};
if (c.m_node2.prev){
c.m_node2.prev.next = c.m_node2.next;
};
if (c.m_node2.next){
c.m_node2.next.prev = c.m_node2.prev;
};
if (c.m_node2 == body2.m_contactList){
body2.m_contactList = c.m_node2.next;
};
b2Contact.Destroy(c, m_world.m_blockAllocator);
m_world.m_contactCount--;
}
override public function PairAdded(proxyUserData1, proxyUserData2){
var shape1:b2Shape = (proxyUserData1 as b2Shape);
var shape2:b2Shape = (proxyUserData2 as b2Shape);
var body1:b2Body = shape1.m_body;
var body2:b2Body = shape2.m_body;
if (((body1.IsStatic()) && (body2.IsStatic()))){
return (m_nullContact);
};
if (shape1.m_body == shape2.m_body){
return (m_nullContact);
};
if (body2.IsConnected(body1)){
return (m_nullContact);
};
if (((!((m_world.m_contactFilter == null))) && ((m_world.m_contactFilter.ShouldCollide(shape1, shape2) == false)))){
return (m_nullContact);
};
var c:b2Contact = b2Contact.Create(shape1, shape2, m_world.m_blockAllocator);
if (c == null){
return (m_nullContact);
};
shape1 = c.m_shape1;
shape2 = c.m_shape2;
body1 = shape1.m_body;
body2 = shape2.m_body;
c.m_prev = null;
c.m_next = m_world.m_contactList;
if (m_world.m_contactList != null){
m_world.m_contactList.m_prev = c;
};
m_world.m_contactList = c;
c.m_node1.contact = c;
c.m_node1.other = body2;
c.m_node1.prev = null;
c.m_node1.next = body1.m_contactList;
if (body1.m_contactList != null){
body1.m_contactList.prev = c.m_node1;
};
body1.m_contactList = c.m_node1;
c.m_node2.contact = c;
c.m_node2.other = body1;
c.m_node2.prev = null;
c.m_node2.next = body2.m_contactList;
if (body2.m_contactList != null){
body2.m_contactList.prev = c.m_node2;
};
body2.m_contactList = c.m_node2;
m_world.m_contactCount++;
return (c);
}
public function Collide():void{
var body1:b2Body;
var body2:b2Body;
var c:b2Contact = m_world.m_contactList;
while (c) {
body1 = c.m_shape1.m_body;
body2 = c.m_shape2.m_body;
if (((body1.IsSleeping()) && (body2.IsSleeping()))){
} else {
c.Update(m_world.m_contactListener);
};
c = c.m_next;
};
}
}
}//package Box2D.Dynamics
Section 77
//b2DebugDraw (Box2D.Dynamics.b2DebugDraw)
package Box2D.Dynamics {
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import Box2D.Collision.Shapes.*;
import flash.display.*;
import Box2D.Dynamics.Contacts.*;
import Box2D.Common.*;
public class b2DebugDraw {
public var m_xformScale:Number;// = 1
public var m_fillAlpha:Number;// = 1
public var m_alpha:Number;// = 1
public var m_drawFlags:uint;
public var m_lineThickness:Number;// = 1
public var m_drawScale:Number;// = 1
public var m_sprite:Sprite;
public static var e_coreShapeBit:uint = 4;
public static var e_shapeBit:uint = 1;
public static var e_centerOfMassBit:uint = 64;
public static var e_aabbBit:uint = 8;
public static var e_obbBit:uint = 16;
public static var e_pairBit:uint = 32;
public static var e_jointBit:uint = 2;
public function b2DebugDraw(){
super();
m_drawFlags = 0;
}
public function ClearFlags(flags:uint):void{
m_drawFlags = (m_drawFlags & ~(flags));
}
public function SetFlags(flags:uint):void{
m_drawFlags = flags;
}
public function AppendFlags(flags:uint):void{
m_drawFlags = (m_drawFlags | flags);
}
public function DrawSegment(p1:b2Vec2, p2:b2Vec2, color:b2Color):void{
m_sprite.graphics.lineStyle(m_lineThickness, color.color, m_alpha);
m_sprite.graphics.moveTo((p1.x * m_drawScale), (p1.y * m_drawScale));
m_sprite.graphics.lineTo((p2.x * m_drawScale), (p2.y * m_drawScale));
}
public function DrawSolidPolygon(vertices:Array, vertexCount:int, color:b2Color):void{
m_sprite.graphics.lineStyle(m_lineThickness, color.color, m_alpha);
m_sprite.graphics.moveTo((vertices[0].x * m_drawScale), (vertices[0].y * m_drawScale));
m_sprite.graphics.beginFill(color.color, m_fillAlpha);
var i = 1;
while (i < vertexCount) {
m_sprite.graphics.lineTo((vertices[i].x * m_drawScale), (vertices[i].y * m_drawScale));
i++;
};
m_sprite.graphics.lineTo((vertices[0].x * m_drawScale), (vertices[0].y * m_drawScale));
m_sprite.graphics.endFill();
}
public function DrawCircle(center:b2Vec2, radius:Number, color:b2Color):void{
m_sprite.graphics.lineStyle(m_lineThickness, color.color, m_alpha);
m_sprite.graphics.drawCircle((center.x * m_drawScale), (center.y * m_drawScale), (radius * m_drawScale));
}
public function DrawPolygon(vertices:Array, vertexCount:int, color:b2Color):void{
m_sprite.graphics.lineStyle(m_lineThickness, color.color, m_alpha);
m_sprite.graphics.moveTo((vertices[0].x * m_drawScale), (vertices[0].y * m_drawScale));
var i = 1;
while (i < vertexCount) {
m_sprite.graphics.lineTo((vertices[i].x * m_drawScale), (vertices[i].y * m_drawScale));
i++;
};
m_sprite.graphics.lineTo((vertices[0].x * m_drawScale), (vertices[0].y * m_drawScale));
}
public function DrawSolidCircle(center:b2Vec2, radius:Number, axis:b2Vec2, color:b2Color):void{
m_sprite.graphics.lineStyle(m_lineThickness, color.color, m_alpha);
m_sprite.graphics.moveTo(0, 0);
m_sprite.graphics.beginFill(color.color, m_fillAlpha);
m_sprite.graphics.drawCircle((center.x * m_drawScale), (center.y * m_drawScale), (radius * m_drawScale));
m_sprite.graphics.endFill();
m_sprite.graphics.moveTo((center.x * m_drawScale), (center.y * m_drawScale));
m_sprite.graphics.lineTo(((center.x + (axis.x * radius)) * m_drawScale), ((center.y + (axis.y * radius)) * m_drawScale));
}
public function GetFlags():uint{
return (m_drawFlags);
}
public function DrawXForm(xf:b2XForm):void{
m_sprite.graphics.lineStyle(m_lineThickness, 0xFF0000, m_alpha);
m_sprite.graphics.moveTo((xf.position.x * m_drawScale), (xf.position.y * m_drawScale));
m_sprite.graphics.lineTo(((xf.position.x + (m_xformScale * xf.R.col1.x)) * m_drawScale), ((xf.position.y + (m_xformScale * xf.R.col1.y)) * m_drawScale));
m_sprite.graphics.lineStyle(m_lineThickness, 0xFF00, m_alpha);
m_sprite.graphics.moveTo((xf.position.x * m_drawScale), (xf.position.y * m_drawScale));
m_sprite.graphics.lineTo(((xf.position.x + (m_xformScale * xf.R.col2.x)) * m_drawScale), ((xf.position.y + (m_xformScale * xf.R.col2.y)) * m_drawScale));
}
}
}//package Box2D.Dynamics
Section 78
//b2DestructionListener (Box2D.Dynamics.b2DestructionListener)
package Box2D.Dynamics {
import Box2D.Collision.Shapes.*;
import Box2D.Dynamics.Joints.*;
public class b2DestructionListener {
public function SayGoodbyeShape(shape:b2Shape):void{
}
public function SayGoodbyeJoint(joint:b2Joint):void{
}
}
}//package Box2D.Dynamics
Section 79
//b2Island (Box2D.Dynamics.b2Island)
package Box2D.Dynamics {
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import Box2D.Dynamics.Joints.*;
import Box2D.Dynamics.Contacts.*;
import Box2D.Common.*;
public class b2Island {
public var m_listener:b2ContactListener;
public var m_positionIterationCount:int;
public var m_bodyCapacity:int;
public var m_bodies:Array;
public var m_joints:Array;
public var m_jointCapacity:int;
public var m_contactCount:int;
public var m_contacts:Array;
public var m_contactCapacity:int;
public var m_jointCount:int;
public var m_allocator;
public var m_bodyCount:int;
private static var s_reportCR:b2ContactResult = new b2ContactResult();
public function b2Island(bodyCapacity:int, contactCapacity:int, jointCapacity:int, allocator, listener:b2ContactListener){
var i:int;
super();
if (contactCapacity < 1){
contactCapacity = 0;
};
m_bodyCapacity = bodyCapacity;
m_contactCapacity = contactCapacity;
m_jointCapacity = jointCapacity;
m_bodyCount = 0;
m_contactCount = 0;
m_jointCount = 0;
m_allocator = allocator;
m_listener = listener;
m_bodies = new Array(bodyCapacity);
i = 0;
while (i < bodyCapacity) {
m_bodies[i] = null;
i++;
};
m_contacts = new Array(contactCapacity);
i = 0;
while (i < contactCapacity) {
m_contacts[i] = null;
i++;
};
m_joints = new Array(jointCapacity);
i = 0;
while (i < jointCapacity) {
m_joints[i] = null;
i++;
};
m_positionIterationCount = 0;
}
public function AddBody(body:b2Body):void{
var _local2 = m_bodyCount++;
m_bodies[_local2] = body;
}
public function AddJoint(joint:b2Joint):void{
var _local2 = m_jointCount++;
m_joints[_local2] = joint;
}
public function Report(constraints:Array):void{
var tMat:b2Mat22;
var tVec:b2Vec2;
var c:b2Contact;
var cc:b2ContactConstraint;
var cr:b2ContactResult;
var b1:b2Body;
var manifoldCount:int;
var manifolds:Array;
var j:int;
var manifold:b2Manifold;
var k:int;
var point:b2ManifoldPoint;
var ccp:b2ContactConstraintPoint;
if (m_listener == null){
return;
};
var i:int;
while (i < m_contactCount) {
c = m_contacts[i];
cc = constraints[i];
cr = s_reportCR;
cr.shape1 = c.m_shape1;
cr.shape2 = c.m_shape2;
b1 = cr.shape1.m_body;
manifoldCount = c.m_manifoldCount;
manifolds = c.GetManifolds();
j = 0;
while (j < manifoldCount) {
manifold = manifolds[j];
cr.normal.SetV(manifold.normal);
k = 0;
while (k < manifold.pointCount) {
point = manifold.points[k];
ccp = cc.points[k];
cr.position = b1.GetWorldPoint(point.localPoint1);
cr.normalImpulse = ccp.normalImpulse;
cr.tangentImpulse = ccp.tangentImpulse;
cr.id.key = point.id.key;
m_listener.Result(cr);
k++;
};
j++;
};
i++;
};
}
public function AddContact(contact:b2Contact):void{
var _local2 = m_contactCount++;
m_contacts[_local2] = contact;
}
public function Solve(step:b2TimeStep, gravity:b2Vec2, correctPositions:Boolean, allowSleep:Boolean):void{
var i:int;
var b:b2Body;
var joint:b2Joint;
var j:int;
var contactsOkay:Boolean;
var jointsOkay:Boolean;
var jointOkay:Boolean;
var minSleepTime:Number;
var linTolSqr:Number;
var angTolSqr:Number;
i = 0;
while (i < m_bodyCount) {
b = m_bodies[i];
if (b.IsStatic()){
} else {
b.m_linearVelocity.x = (b.m_linearVelocity.x + (step.dt * (gravity.x + (b.m_invMass * b.m_force.x))));
b.m_linearVelocity.y = (b.m_linearVelocity.y + (step.dt * (gravity.y + (b.m_invMass * b.m_force.y))));
b.m_angularVelocity = (b.m_angularVelocity + ((step.dt * b.m_invI) * b.m_torque));
b.m_force.SetZero();
b.m_torque = 0;
b.m_linearVelocity.Multiply(b2Math.b2Clamp((1 - (step.dt * b.m_linearDamping)), 0, 1));
b.m_angularVelocity = (b.m_angularVelocity * b2Math.b2Clamp((1 - (step.dt * b.m_angularDamping)), 0, 1));
if (b.m_linearVelocity.LengthSquared() > b2Settings.b2_maxLinearVelocitySquared){
b.m_linearVelocity.Normalize();
b.m_linearVelocity.x = (b.m_linearVelocity.x * b2Settings.b2_maxLinearVelocity);
b.m_linearVelocity.y = (b.m_linearVelocity.y * b2Settings.b2_maxLinearVelocity);
};
if ((b.m_angularVelocity * b.m_angularVelocity) > b2Settings.b2_maxAngularVelocitySquared){
if (b.m_angularVelocity < 0){
b.m_angularVelocity = -(b2Settings.b2_maxAngularVelocity);
} else {
b.m_angularVelocity = b2Settings.b2_maxAngularVelocity;
};
};
};
i++;
};
var contactSolver:b2ContactSolver = new b2ContactSolver(step, m_contacts, m_contactCount, m_allocator);
contactSolver.InitVelocityConstraints(step);
i = 0;
while (i < m_jointCount) {
joint = m_joints[i];
joint.InitVelocityConstraints(step);
i++;
};
i = 0;
while (i < step.maxIterations) {
contactSolver.SolveVelocityConstraints();
j = 0;
while (j < m_jointCount) {
joint = m_joints[j];
joint.SolveVelocityConstraints(step);
j++;
};
i++;
};
contactSolver.FinalizeVelocityConstraints();
i = 0;
while (i < m_bodyCount) {
b = m_bodies[i];
if (b.IsStatic()){
} else {
b.m_sweep.c0.SetV(b.m_sweep.c);
b.m_sweep.a0 = b.m_sweep.a;
b.m_sweep.c.x = (b.m_sweep.c.x + (step.dt * b.m_linearVelocity.x));
b.m_sweep.c.y = (b.m_sweep.c.y + (step.dt * b.m_linearVelocity.y));
b.m_sweep.a = (b.m_sweep.a + (step.dt * b.m_angularVelocity));
b.SynchronizeTransform();
};
i++;
};
if (correctPositions){
i = 0;
while (i < m_jointCount) {
joint = m_joints[i];
joint.InitPositionConstraints();
i++;
};
m_positionIterationCount = 0;
while (m_positionIterationCount < step.maxIterations) {
contactsOkay = contactSolver.SolvePositionConstraints(b2Settings.b2_contactBaumgarte);
jointsOkay = true;
i = 0;
while (i < m_jointCount) {
joint = m_joints[i];
jointOkay = joint.SolvePositionConstraints();
jointsOkay = ((jointsOkay) && (jointOkay));
i++;
};
if (((contactsOkay) && (jointsOkay))){
break;
};
m_positionIterationCount++;
};
};
Report(contactSolver.m_constraints);
if (allowSleep){
minSleepTime = Number.MAX_VALUE;
linTolSqr = (b2Settings.b2_linearSleepTolerance * b2Settings.b2_linearSleepTolerance);
angTolSqr = (b2Settings.b2_angularSleepTolerance * b2Settings.b2_angularSleepTolerance);
i = 0;
while (i < m_bodyCount) {
b = m_bodies[i];
if (b.m_invMass == 0){
} else {
if ((b.m_flags & b2Body.e_allowSleepFlag) == 0){
b.m_sleepTime = 0;
minSleepTime = 0;
};
if (((((((b.m_flags & b2Body.e_allowSleepFlag) == 0)) || (((b.m_angularVelocity * b.m_angularVelocity) > angTolSqr)))) || ((b2Math.b2Dot(b.m_linearVelocity, b.m_linearVelocity) > linTolSqr)))){
b.m_sleepTime = 0;
minSleepTime = 0;
} else {
b.m_sleepTime = (b.m_sleepTime + step.dt);
minSleepTime = b2Math.b2Min(minSleepTime, b.m_sleepTime);
};
};
i++;
};
if (minSleepTime >= b2Settings.b2_timeToSleep){
i = 0;
while (i < m_bodyCount) {
b = m_bodies[i];
b.m_flags = (b.m_flags | b2Body.e_sleepFlag);
b.m_linearVelocity.SetZero();
b.m_angularVelocity = 0;
i++;
};
};
};
}
public function Clear():void{
m_bodyCount = 0;
m_contactCount = 0;
m_jointCount = 0;
}
public function SolveTOI(subStep:b2TimeStep):void{
var i:int;
var b:b2Body;
var contactsOkay:Boolean;
var contactSolver:b2ContactSolver = new b2ContactSolver(subStep, m_contacts, m_contactCount, m_allocator);
i = 0;
while (i < subStep.maxIterations) {
contactSolver.SolveVelocityConstraints();
i++;
};
i = 0;
while (i < m_bodyCount) {
b = m_bodies[i];
if (b.IsStatic()){
} else {
b.m_sweep.c0.SetV(b.m_sweep.c);
b.m_sweep.a0 = b.m_sweep.a;
b.m_sweep.c.x = (b.m_sweep.c.x + (subStep.dt * b.m_linearVelocity.x));
b.m_sweep.c.y = (b.m_sweep.c.y + (subStep.dt * b.m_linearVelocity.y));
b.m_sweep.a = (b.m_sweep.a + (subStep.dt * b.m_angularVelocity));
b.SynchronizeTransform();
};
i++;
};
var k_toiBaumgarte:Number = 0.75;
i = 0;
while (i < subStep.maxIterations) {
contactsOkay = contactSolver.SolvePositionConstraints(k_toiBaumgarte);
if (contactsOkay){
break;
};
i++;
};
Report(contactSolver.m_constraints);
}
}
}//package Box2D.Dynamics
Section 80
//b2TimeStep (Box2D.Dynamics.b2TimeStep)
package Box2D.Dynamics {
public class b2TimeStep {
public var warmStarting:Boolean;
public var positionCorrection:Boolean;
public var dt:Number;
public var maxIterations:int;
public var dtRatio:Number;
public var inv_dt:Number;
}
}//package Box2D.Dynamics
Section 81
//b2World (Box2D.Dynamics.b2World)
package Box2D.Dynamics {
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import Box2D.Collision.Shapes.*;
import Box2D.Dynamics.Joints.*;
import Box2D.Dynamics.Contacts.*;
import Box2D.Common.*;
public class b2World {
public var m_inv_dt0:Number;
public var m_boundaryListener:b2BoundaryListener;
public var m_contactList:b2Contact;
public var m_blockAllocator;
public var m_contactListener:b2ContactListener;
public var m_allowSleep:Boolean;
public var m_broadPhase:b2BroadPhase;
public var m_destructionListener:b2DestructionListener;
public var m_jointCount:int;
public var m_bodyCount:int;
public var m_lock:Boolean;
public var m_positionIterationCount:int;
public var m_groundBody:b2Body;
public var m_contactCount:int;
public var m_debugDraw:b2DebugDraw;
public var m_contactFilter:b2ContactFilter;
public var m_bodyList:b2Body;
public var m_stackAllocator;
public var m_jointList:b2Joint;
public var m_gravity:b2Vec2;
public var m_contactManager:b2ContactManager;
private static var s_jointColor:b2Color = new b2Color(0.5, 0.8, 0.8);
public static var m_continuousPhysics:Boolean;
public static var m_warmStarting:Boolean;
private static var s_coreColor:b2Color = new b2Color(0.9, 0.6, 0.6);
public static var m_positionCorrection:Boolean;
private static var s_xf:b2XForm = new b2XForm();
public function b2World(worldAABB:b2AABB, gravity:b2Vec2, doSleep:Boolean){
m_contactManager = new b2ContactManager();
super();
m_destructionListener = null;
m_boundaryListener = null;
m_contactFilter = b2ContactFilter.b2_defaultFilter;
m_contactListener = null;
m_debugDraw = null;
m_bodyList = null;
m_contactList = null;
m_jointList = null;
m_bodyCount = 0;
m_contactCount = 0;
m_jointCount = 0;
m_positionCorrection = true;
m_warmStarting = true;
m_continuousPhysics = true;
m_allowSleep = doSleep;
m_gravity = gravity;
m_lock = false;
m_inv_dt0 = 0;
m_contactManager.m_world = this;
m_broadPhase = new b2BroadPhase(worldAABB, m_contactManager);
var bd:b2BodyDef = new b2BodyDef();
m_groundBody = CreateBody(bd);
}
public function DrawJoint(joint:b2Joint):void{
var pulley:b2PulleyJoint;
var s1:b2Vec2;
var s2:b2Vec2;
var b1:b2Body = joint.m_body1;
var b2:b2Body = joint.m_body2;
var xf1:b2XForm = b1.m_xf;
var xf2:b2XForm = b2.m_xf;
var x1:b2Vec2 = xf1.position;
var x2:b2Vec2 = xf2.position;
var p1:b2Vec2 = joint.GetAnchor1();
var p2:b2Vec2 = joint.GetAnchor2();
var color:b2Color = s_jointColor;
switch (joint.m_type){
case b2Joint.e_distanceJoint:
m_debugDraw.DrawSegment(p1, p2, color);
break;
case b2Joint.e_pulleyJoint:
pulley = (joint as b2PulleyJoint);
s1 = pulley.GetGroundAnchor1();
s2 = pulley.GetGroundAnchor2();
m_debugDraw.DrawSegment(s1, p1, color);
m_debugDraw.DrawSegment(s2, p2, color);
m_debugDraw.DrawSegment(s1, s2, color);
break;
case b2Joint.e_mouseJoint:
m_debugDraw.DrawSegment(p1, p2, color);
break;
default:
if (b1 != m_groundBody){
m_debugDraw.DrawSegment(x1, p1, color);
};
m_debugDraw.DrawSegment(p1, p2, color);
if (b2 != m_groundBody){
m_debugDraw.DrawSegment(x2, p2, color);
};
};
}
public function Refilter(shape:b2Shape):void{
shape.RefilterProxy(m_broadPhase, shape.m_body.m_xf);
}
public function SetDebugDraw(debugDraw:b2DebugDraw):void{
m_debugDraw = debugDraw;
}
public function SetContinuousPhysics(flag:Boolean):void{
m_continuousPhysics = flag;
}
public function GetProxyCount():int{
return (m_broadPhase.m_proxyCount);
}
public function DrawDebugData():void{
var i:int;
var b:b2Body;
var s:b2Shape;
var j:b2Joint;
var bp:b2BroadPhase;
var xf:b2XForm;
var core:Boolean;
var index:uint;
var pair:b2Pair;
var p1:b2Proxy;
var p2:b2Proxy;
var worldLower:b2Vec2;
var worldUpper:b2Vec2;
var p:b2Proxy;
var poly:b2PolygonShape;
var obb:b2OBB;
var h:b2Vec2;
var tMat:b2Mat22;
var tVec:b2Vec2;
var tX:Number;
if (m_debugDraw == null){
return;
};
m_debugDraw.m_sprite.graphics.clear();
var flags:uint = m_debugDraw.GetFlags();
var invQ:b2Vec2 = new b2Vec2();
var x1:b2Vec2 = new b2Vec2();
var x2:b2Vec2 = new b2Vec2();
var color:b2Color = new b2Color(0, 0, 0);
var b1:b2AABB = new b2AABB();
var b2:b2AABB = new b2AABB();
var vs:Array = [new b2Vec2(), new b2Vec2(), new b2Vec2(), new b2Vec2()];
if ((flags & b2DebugDraw.e_shapeBit)){
core = ((flags & b2DebugDraw.e_coreShapeBit) == b2DebugDraw.e_coreShapeBit);
b = m_bodyList;
while (b) {
xf = b.m_xf;
s = b.GetShapeList();
while (s) {
if (b.IsStatic()){
DrawShape(s, xf, new b2Color(0.5, 0.9, 0.5), core);
} else {
if (b.IsSleeping()){
DrawShape(s, xf, new b2Color(0.5, 0.5, 0.9), core);
} else {
DrawShape(s, xf, new b2Color(0.9, 0.9, 0.9), core);
};
};
s = s.m_next;
};
b = b.m_next;
};
};
if ((flags & b2DebugDraw.e_jointBit)){
j = m_jointList;
while (j) {
DrawJoint(j);
j = j.m_next;
};
};
if ((flags & b2DebugDraw.e_pairBit)){
bp = m_broadPhase;
invQ.Set((1 / bp.m_quantizationFactor.x), (1 / bp.m_quantizationFactor.y));
color.Set(0.9, 0.9, 0.3);
i = 0;
while (i < b2Pair.b2_tableCapacity) {
index = bp.m_pairManager.m_hashTable[i];
while (index != b2Pair.b2_nullPair) {
pair = bp.m_pairManager.m_pairs[index];
p1 = bp.m_proxyPool[pair.proxyId1];
p2 = bp.m_proxyPool[pair.proxyId2];
b1.lowerBound.x = (bp.m_worldAABB.lowerBound.x + (invQ.x * bp.m_bounds[0][p1.lowerBounds[0]].value));
b1.lowerBound.y = (bp.m_worldAABB.lowerBound.y + (invQ.y * bp.m_bounds[1][p1.lowerBounds[1]].value));
b1.upperBound.x = (bp.m_worldAABB.lowerBound.x + (invQ.x * bp.m_bounds[0][p1.upperBounds[0]].value));
b1.upperBound.y = (bp.m_worldAABB.lowerBound.y + (invQ.y * bp.m_bounds[1][p1.upperBounds[1]].value));
b2.lowerBound.x = (bp.m_worldAABB.lowerBound.x + (invQ.x * bp.m_bounds[0][p2.lowerBounds[0]].value));
b2.lowerBound.y = (bp.m_worldAABB.lowerBound.y + (invQ.y * bp.m_bounds[1][p2.lowerBounds[1]].value));
b2.upperBound.x = (bp.m_worldAABB.lowerBound.x + (invQ.x * bp.m_bounds[0][p2.upperBounds[0]].value));
b2.upperBound.y = (bp.m_worldAABB.lowerBound.y + (invQ.y * bp.m_bounds[1][p2.upperBounds[1]].value));
x1.x = (0.5 * (b1.lowerBound.x + b1.upperBound.x));
x1.y = (0.5 * (b1.lowerBound.y + b1.upperBound.y));
x2.x = (0.5 * (b2.lowerBound.x + b2.upperBound.x));
x2.y = (0.5 * (b2.lowerBound.y + b2.upperBound.y));
m_debugDraw.DrawSegment(x1, x2, color);
index = pair.next;
};
i++;
};
};
if ((flags & b2DebugDraw.e_aabbBit)){
bp = m_broadPhase;
worldLower = bp.m_worldAABB.lowerBound;
worldUpper = bp.m_worldAABB.upperBound;
invQ.Set((1 / bp.m_quantizationFactor.x), (1 / bp.m_quantizationFactor.y));
color.Set(0.9, 0.3, 0.9);
i = 0;
while (i < b2Settings.b2_maxProxies) {
p = bp.m_proxyPool[i];
if (p.IsValid() == false){
} else {
b1.lowerBound.x = (worldLower.x + (invQ.x * bp.m_bounds[0][p.lowerBounds[0]].value));
b1.lowerBound.y = (worldLower.y + (invQ.y * bp.m_bounds[1][p.lowerBounds[1]].value));
b1.upperBound.x = (worldLower.x + (invQ.x * bp.m_bounds[0][p.upperBounds[0]].value));
b1.upperBound.y = (worldLower.y + (invQ.y * bp.m_bounds[1][p.upperBounds[1]].value));
vs[0].Set(b1.lowerBound.x, b1.lowerBound.y);
vs[1].Set(b1.upperBound.x, b1.lowerBound.y);
vs[2].Set(b1.upperBound.x, b1.upperBound.y);
vs[3].Set(b1.lowerBound.x, b1.upperBound.y);
m_debugDraw.DrawPolygon(vs, 4, color);
};
i++;
};
vs[0].Set(worldLower.x, worldLower.y);
vs[1].Set(worldUpper.x, worldLower.y);
vs[2].Set(worldUpper.x, worldUpper.y);
vs[3].Set(worldLower.x, worldUpper.y);
m_debugDraw.DrawPolygon(vs, 4, new b2Color(0.3, 0.9, 0.9));
};
if ((flags & b2DebugDraw.e_obbBit)){
color.Set(0.5, 0.3, 0.5);
b = m_bodyList;
while (b) {
xf = b.m_xf;
s = b.GetShapeList();
while (s) {
if (s.m_type != b2Shape.e_polygonShape){
} else {
poly = (s as b2PolygonShape);
obb = poly.GetOBB();
h = obb.extents;
vs[0].Set(-(h.x), -(h.y));
vs[1].Set(h.x, -(h.y));
vs[2].Set(h.x, h.y);
vs[3].Set(-(h.x), h.y);
i = 0;
while (i < 4) {
tMat = obb.R;
tVec = vs[i];
tX = (obb.center.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
vs[i].y = (obb.center.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
vs[i].x = tX;
tMat = xf.R;
tX = (xf.position.x + ((tMat.col1.x * tVec.x) + (tMat.col2.x * tVec.y)));
vs[i].y = (xf.position.y + ((tMat.col1.y * tVec.x) + (tMat.col2.y * tVec.y)));
vs[i].x = tX;
i++;
};
m_debugDraw.DrawPolygon(vs, 4, color);
};
s = s.m_next;
};
b = b.m_next;
};
};
if ((flags & b2DebugDraw.e_centerOfMassBit)){
b = m_bodyList;
while (b) {
xf = s_xf;
xf.R = b.m_xf.R;
xf.position = b.GetWorldCenter();
m_debugDraw.DrawXForm(xf);
b = b.m_next;
};
};
}
public function DestroyBody(b:b2Body):void{
var jn0:b2JointEdge;
var s0:b2Shape;
if (m_lock == true){
return;
};
var jn:b2JointEdge = b.m_jointList;
while (jn) {
jn0 = jn;
jn = jn.next;
if (m_destructionListener){
m_destructionListener.SayGoodbyeJoint(jn0.joint);
};
DestroyJoint(jn0.joint);
};
var s:b2Shape = b.m_shapeList;
while (s) {
s0 = s;
s = s.m_next;
if (m_destructionListener){
m_destructionListener.SayGoodbyeShape(s0);
};
s0.DestroyProxy(m_broadPhase);
b2Shape.Destroy(s0, m_blockAllocator);
};
if (b.m_prev){
b.m_prev.m_next = b.m_next;
};
if (b.m_next){
b.m_next.m_prev = b.m_prev;
};
if (b == m_bodyList){
m_bodyList = b.m_next;
};
m_bodyCount--;
}
public function SetContactFilter(filter:b2ContactFilter):void{
m_contactFilter = filter;
}
public function GetGroundBody():b2Body{
return (m_groundBody);
}
public function DrawShape(shape:b2Shape, xf:b2XForm, color:b2Color, core:Boolean):void{
var circle:b2CircleShape;
var center:b2Vec2;
var radius:Number;
var axis:b2Vec2;
var i:int;
var poly:b2PolygonShape;
var vertexCount:int;
var localVertices:Array;
var vertices:Array;
var localCoreVertices:Array;
var coreColor:b2Color = s_coreColor;
switch (shape.m_type){
case b2Shape.e_circleShape:
circle = (shape as b2CircleShape);
center = b2Math.b2MulX(xf, circle.m_localPosition);
radius = circle.m_radius;
axis = xf.R.col1;
m_debugDraw.DrawSolidCircle(center, radius, axis, color);
if (core){
m_debugDraw.DrawCircle(center, (radius - b2Settings.b2_toiSlop), coreColor);
};
break;
case b2Shape.e_polygonShape:
poly = (shape as b2PolygonShape);
vertexCount = poly.GetVertexCount();
localVertices = poly.GetVertices();
vertices = new Array(b2Settings.b2_maxPolygonVertices);
i = 0;
while (i < vertexCount) {
vertices[i] = b2Math.b2MulX(xf, localVertices[i]);
i++;
};
m_debugDraw.DrawSolidPolygon(vertices, vertexCount, color);
if (core){
localCoreVertices = poly.GetCoreVertices();
i = 0;
while (i < vertexCount) {
vertices[i] = b2Math.b2MulX(xf, localCoreVertices[i]);
i++;
};
m_debugDraw.DrawPolygon(vertices, vertexCount, coreColor);
};
break;
};
}
public function GetContactCount():int{
return (m_contactCount);
}
public function Solve(step:b2TimeStep):void{
var b:b2Body;
var stackCount:int;
var i:int;
var other:b2Body;
var cn:b2ContactEdge;
var jn:b2JointEdge;
var inRange:Boolean;
m_positionIterationCount = 0;
var island:b2Island = new b2Island(m_bodyCount, m_contactCount, m_jointCount, m_stackAllocator, m_contactListener);
b = m_bodyList;
while (b) {
b.m_flags = (b.m_flags & ~(b2Body.e_islandFlag));
b = b.m_next;
};
var c:b2Contact = m_contactList;
while (c) {
c.m_flags = (c.m_flags & ~(b2Contact.e_islandFlag));
c = c.m_next;
};
var j:b2Joint = m_jointList;
while (j) {
j.m_islandFlag = false;
j = j.m_next;
};
var stackSize:int = m_bodyCount;
var stack:Array = new Array(stackSize);
var seed:b2Body = m_bodyList;
while (seed) {
if ((seed.m_flags & ((b2Body.e_islandFlag | b2Body.e_sleepFlag) | b2Body.e_frozenFlag))){
} else {
if (seed.IsStatic()){
} else {
island.Clear();
stackCount = 0;
var _temp1 = stackCount;
stackCount = (stackCount + 1);
var _local15 = _temp1;
stack[_local15] = seed;
seed.m_flags = (seed.m_flags | b2Body.e_islandFlag);
while (stackCount > 0) {
--stackCount;
b = stack[stackCount];
island.AddBody(b);
b.m_flags = (b.m_flags & ~(b2Body.e_sleepFlag));
if (b.IsStatic()){
} else {
cn = b.m_contactList;
while (cn) {
if ((cn.contact.m_flags & (b2Contact.e_islandFlag | b2Contact.e_nonSolidFlag))){
} else {
if (cn.contact.m_manifoldCount == 0){
} else {
island.AddContact(cn.contact);
cn.contact.m_flags = (cn.contact.m_flags | b2Contact.e_islandFlag);
other = cn.other;
if ((other.m_flags & b2Body.e_islandFlag)){
} else {
var _temp2 = stackCount;
stackCount = (stackCount + 1);
var _local16 = _temp2;
stack[_local16] = other;
other.m_flags = (other.m_flags | b2Body.e_islandFlag);
};
};
};
cn = cn.next;
};
jn = b.m_jointList;
while (jn) {
if (jn.joint.m_islandFlag == true){
} else {
island.AddJoint(jn.joint);
jn.joint.m_islandFlag = true;
other = jn.other;
if ((other.m_flags & b2Body.e_islandFlag)){
} else {
var _temp3 = stackCount;
stackCount = (stackCount + 1);
_local16 = _temp3;
stack[_local16] = other;
other.m_flags = (other.m_flags | b2Body.e_islandFlag);
};
};
jn = jn.next;
};
};
};
island.Solve(step, m_gravity, m_positionCorrection, m_allowSleep);
if (island.m_positionIterationCount > m_positionIterationCount){
m_positionIterationCount = island.m_positionIterationCount;
};
i = 0;
while (i < island.m_bodyCount) {
b = island.m_bodies[i];
if (b.IsStatic()){
b.m_flags = (b.m_flags & ~(b2Body.e_islandFlag));
};
i++;
};
};
};
seed = seed.m_next;
};
b = m_bodyList;
while (b) {
if ((b.m_flags & (b2Body.e_sleepFlag | b2Body.e_frozenFlag))){
} else {
if (b.IsStatic()){
} else {
inRange = b.SynchronizeShapes();
if ((((inRange == false)) && (!((m_boundaryListener == null))))){
m_boundaryListener.Violation(b);
};
};
};
b = b.m_next;
};
m_broadPhase.Commit();
}
public function Query(aabb:b2AABB, shapes:Array, maxCount:int):int{
var results:Array = new Array(maxCount);
var count:int = m_broadPhase.QueryAABB(aabb, results, maxCount);
var i:int;
while (i < count) {
shapes[i] = results[i];
i++;
};
return (count);
}
public function SetGravity(gravity:b2Vec2):void{
m_gravity = gravity;
}
public function SolveTOI(step:b2TimeStep):void{
var b:b2Body;
var s1:b2Shape;
var s2:b2Shape;
var b1:b2Body;
var b2:b2Body;
var cn:b2ContactEdge;
var c:b2Contact;
var minContact:b2Contact;
var minTOI:Number;
var seed:b2Body;
var stackCount:int;
var subStep:b2TimeStep;
var i:int;
var toi:Number;
var t0:Number;
var other:b2Body;
var inRange:Boolean;
var island:b2Island = new b2Island(m_bodyCount, b2Settings.b2_maxTOIContactsPerIsland, 0, m_stackAllocator, m_contactListener);
var stackSize:int = m_bodyCount;
var stack:Array = new Array(stackSize);
b = m_bodyList;
while (b) {
b.m_flags = (b.m_flags & ~(b2Body.e_islandFlag));
b.m_sweep.t0 = 0;
b = b.m_next;
};
c = m_contactList;
while (c) {
c.m_flags = (c.m_flags & ~((b2Contact.e_toiFlag | b2Contact.e_islandFlag)));
c = c.m_next;
};
while (true) {
minContact = null;
minTOI = 1;
c = m_contactList;
for (;c;(c = c.m_next)) {
if ((c.m_flags & (b2Contact.e_slowFlag | b2Contact.e_nonSolidFlag))){
} else {
toi = 1;
if ((c.m_flags & b2Contact.e_toiFlag)){
toi = c.m_toi;
} else {
s1 = c.m_shape1;
s2 = c.m_shape2;
b1 = s1.m_body;
b2 = s2.m_body;
if (((((b1.IsStatic()) || (b1.IsSleeping()))) && (((b2.IsStatic()) || (b2.IsSleeping()))))){
continue;
};
t0 = b1.m_sweep.t0;
if (b1.m_sweep.t0 < b2.m_sweep.t0){
t0 = b2.m_sweep.t0;
b1.m_sweep.Advance(t0);
} else {
if (b2.m_sweep.t0 < b1.m_sweep.t0){
t0 = b1.m_sweep.t0;
b2.m_sweep.Advance(t0);
};
};
toi = b2TimeOfImpact.TimeOfImpact(c.m_shape1, b1.m_sweep, c.m_shape2, b2.m_sweep);
if ((((toi > 0)) && ((toi < 1)))){
toi = (((1 - toi) * t0) + toi);
if (toi > 1){
toi = 1;
};
};
c.m_toi = toi;
c.m_flags = (c.m_flags | b2Contact.e_toiFlag);
};
if ((((Number.MIN_VALUE < toi)) && ((toi < minTOI)))){
minContact = c;
minTOI = toi;
};
};
};
if ((((minContact == null)) || (((1 - (100 * Number.MIN_VALUE)) < minTOI)))){
break;
};
s1 = minContact.m_shape1;
s2 = minContact.m_shape2;
b1 = s1.m_body;
b2 = s2.m_body;
b1.Advance(minTOI);
b2.Advance(minTOI);
minContact.Update(m_contactListener);
minContact.m_flags = (minContact.m_flags & ~(b2Contact.e_toiFlag));
if (minContact.m_manifoldCount == 0){
} else {
seed = b1;
if (seed.IsStatic()){
seed = b2;
};
island.Clear();
stackCount = 0;
var _temp1 = stackCount;
stackCount = (stackCount + 1);
var _local22 = _temp1;
stack[_local22] = seed;
seed.m_flags = (seed.m_flags | b2Body.e_islandFlag);
while (stackCount > 0) {
--stackCount;
b = stack[stackCount];
island.AddBody(b);
b.m_flags = (b.m_flags & ~(b2Body.e_sleepFlag));
if (b.IsStatic()){
} else {
cn = b.m_contactList;
while (cn) {
if (island.m_contactCount == island.m_contactCapacity){
} else {
if ((cn.contact.m_flags & ((b2Contact.e_islandFlag | b2Contact.e_slowFlag) | b2Contact.e_nonSolidFlag))){
} else {
if (cn.contact.m_manifoldCount == 0){
} else {
island.AddContact(cn.contact);
cn.contact.m_flags = (cn.contact.m_flags | b2Contact.e_islandFlag);
other = cn.other;
if ((other.m_flags & b2Body.e_islandFlag)){
} else {
if (other.IsStatic() == false){
other.Advance(minTOI);
other.WakeUp();
};
var _temp2 = stackCount;
stackCount = (stackCount + 1);
var _local23 = _temp2;
stack[_local23] = other;
other.m_flags = (other.m_flags | b2Body.e_islandFlag);
};
};
};
};
cn = cn.next;
};
};
};
subStep = new b2TimeStep();
subStep.dt = ((1 - minTOI) * step.dt);
subStep.inv_dt = (1 / subStep.dt);
subStep.maxIterations = step.maxIterations;
island.SolveTOI(subStep);
i = 0;
while (i < island.m_bodyCount) {
b = island.m_bodies[i];
b.m_flags = (b.m_flags & ~(b2Body.e_islandFlag));
if ((b.m_flags & (b2Body.e_sleepFlag | b2Body.e_frozenFlag))){
} else {
if (b.IsStatic()){
} else {
inRange = b.SynchronizeShapes();
if ((((inRange == false)) && (!((m_boundaryListener == null))))){
m_boundaryListener.Violation(b);
};
cn = b.m_contactList;
while (cn) {
cn.contact.m_flags = (cn.contact.m_flags & ~(b2Contact.e_toiFlag));
cn = cn.next;
};
};
};
i++;
};
i = 0;
while (i < island.m_contactCount) {
c = island.m_contacts[i];
c.m_flags = (c.m_flags & ~((b2Contact.e_toiFlag | b2Contact.e_islandFlag)));
i++;
};
m_broadPhase.Commit();
};
};
}
public function GetJointList():b2Joint{
return (m_jointList);
}
public function GetBodyList():b2Body{
return (m_bodyList);
}
public function GetPairCount():int{
return (m_broadPhase.m_pairManager.m_pairCount);
}
public function Validate():void{
m_broadPhase.Validate();
}
public function SetWarmStarting(flag:Boolean):void{
m_warmStarting = flag;
}
public function SetPositionCorrection(flag:Boolean):void{
m_positionCorrection = flag;
}
public function CreateJoint(def:b2JointDef):b2Joint{
var b:b2Body;
var s:b2Shape;
var j:b2Joint = b2Joint.Create(def, m_blockAllocator);
j.m_prev = null;
j.m_next = m_jointList;
if (m_jointList){
m_jointList.m_prev = j;
};
m_jointList = j;
m_jointCount++;
j.m_node1.joint = j;
j.m_node1.other = j.m_body2;
j.m_node1.prev = null;
j.m_node1.next = j.m_body1.m_jointList;
if (j.m_body1.m_jointList){
j.m_body1.m_jointList.prev = j.m_node1;
};
j.m_body1.m_jointList = j.m_node1;
j.m_node2.joint = j;
j.m_node2.other = j.m_body1;
j.m_node2.prev = null;
j.m_node2.next = j.m_body2.m_jointList;
if (j.m_body2.m_jointList){
j.m_body2.m_jointList.prev = j.m_node2;
};
j.m_body2.m_jointList = j.m_node2;
if (def.collideConnected == false){
b = ((def.body1.m_shapeCount < def.body2.m_shapeCount)) ? def.body1 : def.body2;
s = b.m_shapeList;
while (s) {
s.RefilterProxy(m_broadPhase, b.m_xf);
s = s.m_next;
};
};
return (j);
}
public function DestroyJoint(j:b2Joint):void{
var b:b2Body;
var s:b2Shape;
var collideConnected:Boolean = j.m_collideConnected;
if (j.m_prev){
j.m_prev.m_next = j.m_next;
};
if (j.m_next){
j.m_next.m_prev = j.m_prev;
};
if (j == m_jointList){
m_jointList = j.m_next;
};
var body1:b2Body = j.m_body1;
var body2:b2Body = j.m_body2;
body1.WakeUp();
body2.WakeUp();
if (j.m_node1.prev){
j.m_node1.prev.next = j.m_node1.next;
};
if (j.m_node1.next){
j.m_node1.next.prev = j.m_node1.prev;
};
if (j.m_node1 == body1.m_jointList){
body1.m_jointList = j.m_node1.next;
};
j.m_node1.prev = null;
j.m_node1.next = null;
if (j.m_node2.prev){
j.m_node2.prev.next = j.m_node2.next;
};
if (j.m_node2.next){
j.m_node2.next.prev = j.m_node2.prev;
};
if (j.m_node2 == body2.m_jointList){
body2.m_jointList = j.m_node2.next;
};
j.m_node2.prev = null;
j.m_node2.next = null;
b2Joint.Destroy(j, m_blockAllocator);
m_jointCount--;
if (collideConnected == false){
b = ((body1.m_shapeCount < body2.m_shapeCount)) ? body1 : body2;
s = b.m_shapeList;
while (s) {
s.RefilterProxy(m_broadPhase, b.m_xf);
s = s.m_next;
};
};
}
public function SetContactListener(listener:b2ContactListener):void{
m_contactListener = listener;
}
public function CreateBody(def:b2BodyDef):b2Body{
if (m_lock == true){
return (null);
};
var b:b2Body = new b2Body(def, this);
b.m_prev = null;
b.m_next = m_bodyList;
if (m_bodyList){
m_bodyList.m_prev = b;
};
m_bodyList = b;
m_bodyCount++;
return (b);
}
public function SetBoundaryListener(listener:b2BoundaryListener):void{
m_boundaryListener = listener;
}
public function SetDestructionListener(listener:b2DestructionListener):void{
m_destructionListener = listener;
}
public function Step(dt:Number, iterations:int):void{
m_lock = true;
var step:b2TimeStep = new b2TimeStep();
step.dt = dt;
step.maxIterations = iterations;
if (dt > 0){
step.inv_dt = (1 / dt);
} else {
step.inv_dt = 0;
};
step.dtRatio = (m_inv_dt0 * dt);
step.positionCorrection = m_positionCorrection;
step.warmStarting = m_warmStarting;
m_contactManager.Collide();
if (step.dt > 0){
Solve(step);
};
if (((m_continuousPhysics) && ((step.dt > 0)))){
SolveTOI(step);
};
DrawDebugData();
m_inv_dt0 = step.inv_dt;
m_lock = false;
}
public function GetBodyCount():int{
return (m_bodyCount);
}
public function GetJointCount():int{
return (m_jointCount);
}
}
}//package Box2D.Dynamics
Section 82
//Actor (Element.Actor)
package Element {
import flash.display.*;
public class Actor extends MovieClip {
public var Framestr:Array;
public var ball:Boolean;// = true
public var basestage:BaseStage;
public var state:String;
public var ballmc:MovieClip;
public var firecount:int;// = 0
public var excursionY:Number;// = 100
public var speedX:Number;// = 12
public static var NumWay:Number;
public function Actor(b:BaseStage, _x:Number, _y:Number){
Framestr = new Array("haveballrun", "noballrun", "stand", "fire", "hold");
super();
addFrameScript(0, frame1, 1, frame2, 2, frame3, 3, frame4, 4, frame5);
basestage = b;
this.x = _x;
this.y = _y;
ballmc = basestage.newball(x, y, 0);
}
public function updata(_x:Number){
if (state == "fire"){
if (firecount > 0){
firecount--;
if (firecount == 4){
ball = false;
basestage.throwball();
};
} else {
state = "";
};
};
Actor.NumWay = this.scaleX;
var tempW:* = (this.width * 0.5);
var tempLen:int;
if (state == "fire"){
return;
};
if (_x > x){
this.scaleX = 1;
} else {
this.scaleX = -1;
};
if (_x >= (x + tempW)){
if (ball){
JumpFrame(0);
} else {
JumpFrame(1);
};
if (x <= (640 - speedX)){
x = (x + speedX);
};
} else {
if (_x <= (x - tempW)){
if (ball){
JumpFrame(0);
} else {
JumpFrame(1);
};
if (x >= speedX){
x = (x - speedX);
};
} else {
if ((((_x >= x)) && ((_x < (x + tempW))))){
if (ball){
JumpFrame(4);
} else {
JumpFrame(2);
};
} else {
if ((((_x <= x)) && ((_x > (x - tempW))))){
if (ball){
JumpFrame(4);
} else {
JumpFrame(2);
};
};
};
};
};
}
function frame1(){
stop();
}
function frame2(){
stop();
}
function frame3(){
stop();
}
function frame4(){
stop();
}
function frame5(){
stop();
}
public function tofire(){
if (!ball){
return;
};
if (state == Framestr[3]){
return;
};
firecount = 14;
this.scaleX = 1;
this.gotoAndStop(Framestr[3]);
state = Framestr[3];
}
public function destroy(){
}
public function JumpFrame(num:int){
if (state == Framestr[num]){
return;
};
this.gotoAndStop(Framestr[num]);
state = Framestr[num];
}
}
}//package Element
Section 83
//Backboard (Element.Backboard)
package Element {
import UserdefinedClass.*;
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import flash.display.*;
import flash.geom.*;
import flash.utils.*;
public class Backboard extends MovieClip {
public var ballbasket:Sprite;
public var scoreGroup:Array;
public var isdestroy:Boolean;// = false
public var state:int;// = -1
public var score:int;// = 3000
public var resetcount:int;// = 0
public var ballining:Boolean;// = false
public var Bbasketstand_m:MovieClip;
public var Bbasketnet_h:MovieClip;
public var basketnet_h:MovieClip;
public var Bbasketstand_s:MovieClip;
public var basketnet_l:MovieClip;
public var basketstand_m:MovieClip;
public var basket:MovieClip;
public var ballboard:Sprite;
public var Bbasketnet_l:MovieClip;
public var basketstand_s:MovieClip;
public var basestage:BaseStage;
public var ballin2:MovieClip;
public var basketnet_w:MovieClip;
public var Bbasketnet_w:MovieClip;
public var ballin1:MovieClip;
public var No:int;// = 0
public var isclear:Boolean;// = false
public var board:MovieClip;
public var McGroup:Array;
public var bodyclear:Boolean;// = false
public var way:int;// = 1
public var ballcount:int;// = 0
public var cx:Number;// = 0
public var backbroad:MovieClip;
public var cy:Number;// = 0
public var hit1:MovieClip;
public var hit2:MovieClip;
public function Backboard(b:BaseStage, lv:int, _way:int, num:int=0){
scoreGroup = new Array(10, 30, 20, 60, 30, 90, 40, 120);
McGroup = new Array();
super();
basestage = b;
initcontainer(lv);
var tempnum:int;
if (basestage.istriple){
if (num < 8){
tempnum = (num + 1);
} else {
tempnum = num;
};
} else {
tempnum = num;
};
initmc(tempnum);
way = _way;
if ((way == 1)){
cx = -50;
} else {
cx = 690;
};
setsleep();
initbody();
initballin();
No = tempnum;
}
public function size(){
var tempbool:Boolean = isbig(state);
switch (state){
case 0:
state = -1;
setsleep();
break;
case 1:
state = -1;
shake();
break;
case 2:
state = -1;
goodin();
break;
};
}
public function shake(){
resetcount = 11;
state = 1;
clearMC();
if (basestage.isbig){
board = Bbasketstand_m;
} else {
board = basketstand_m;
};
if (basestage.isbig){
basket = Bbasketnet_w;
} else {
basket = basketnet_w;
};
ballboard.addChild(board);
ballbasket.addChild(basket);
board.x = cx;
basket.x = cx;
board.gotoAndPlay(1);
basket.gotoAndPlay(1);
Main.ballhit_sd.playsound(1);
}
public function hitin(mc:MovieClip):Boolean{
var tempp:Point = MyMath.LtoG(basestage.actor, ballin1);
if (mc.hitTestObject(ballin1)){
trace(name, getTimer());
return (true);
};
tempp = MyMath.LtoG(basestage.actor, ballin2);
if (mc.hitTestObject(ballin2)){
trace(name, getTimer());
return (true);
};
return (false);
}
public function setballinmc(){
(ballin1.bd as b2Body).SetXForm(new b2Vec2((cx / 30), ((cy - 20) / 30)), 0);
(ballin2.bd as b2Body).SetXForm(new b2Vec2((cx / 30), ((cy + 30) / 30)), 0);
}
public function setbody(){
var tempnum:Number = (basestage.isbig) ? 45 : 27;
(hit1.bd as b2Body).SetXForm(new b2Vec2(((cx - tempnum) / 30), (cy / 30)), 0);
(hit2.bd as b2Body).SetXForm(new b2Vec2(((cx + tempnum) / 30), (cy / 30)), 0);
}
public function isin(str:String){
if (isclear){
return;
};
if (((((ballin2.time[str] - ballin1.time[str]) > 0)) && (((ballin2.time[str] - ballin1.time[str]) < 1000)))){
Main.in_sd.playsound(1);
ballin2.time[str] = 0;
ballin1.time[str] = 0;
goodin();
workscore();
};
}
public function setSize(){
size();
}
public function isbig(_state:int):Boolean{
var tempbool:Boolean;
switch (_state){
case 0:
if ((board == Bbasketstand_s)){
tempbool = true;
} else {
tempbool = false;
};
break;
case 1:
if ((board == Bbasketstand_m)){
tempbool = true;
} else {
tempbool = false;
};
break;
case 2:
if ((board == Bbasketstand_s)){
tempbool = true;
} else {
tempbool = false;
};
break;
case 3:
if ((board == Bbasketstand_s)){
tempbool = true;
} else {
tempbool = false;
};
break;
};
return (tempbool);
}
public function clearMC(){
if (board){
if (board.parent){
board.parent.removeChild(board);
};
};
if (basket){
if (basket.parent){
basket.parent.removeChild(basket);
};
};
}
public function initmc(num):void{
backbroad = new backbroad_b();
backbroad.gotoAndStop(num);
ballboard.addChild(backbroad);
basketstand_m = new basketstand_move();
basketstand_s = new basketstand_sleep();
basketnet_w = new basketnet_wave();
basketnet_l = new basketnet_lightin();
basketnet_h = new basketnet_hardin();
Bbasketstand_m = new Bbasketstand_move();
Bbasketstand_s = new Bbasketstand_sleep();
Bbasketnet_w = new Bbasketnet_wave();
Bbasketnet_l = new Bbasketnet_lightin();
Bbasketnet_h = new Bbasketnet_hardin();
backbroad.y = cy;
basketstand_m.y = cy;
basketstand_s.y = cy;
basketnet_w.y = cy;
basketnet_l.y = cy;
basketnet_h.y = cy;
Bbasketstand_m.y = cy;
Bbasketstand_s.y = cy;
Bbasketnet_w.y = cy;
Bbasketnet_l.y = cy;
Bbasketnet_h.y = cy;
McGroup.push(backbroad);
McGroup.push(basketstand_m);
McGroup.push(basketstand_s);
McGroup.push(basketnet_w);
McGroup.push(basketnet_l);
McGroup.push(basketnet_h);
McGroup.push(Bbasketstand_m);
McGroup.push(Bbasketstand_s);
McGroup.push(Bbasketnet_w);
McGroup.push(Bbasketnet_l);
McGroup.push(Bbasketnet_h);
}
public function workscore():void{
if (backbroad.currentFrame > 8){
Main.spin_sd.playsound(1);
};
switch (backbroad.currentFrame){
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
trace("score:", scoreGroup[(backbroad.currentFrame - 1)]);
basestage.addscore(scoreGroup[(backbroad.currentFrame - 1)]);
basestage.showcue(backbroad.currentFrame, scoreGroup[(backbroad.currentFrame - 1)], cx, cy);
break;
case 9:
isclear = true;
basestage.addscore((basestage.istriple) ? (score * 3) : score);
basestage.showcue(backbroad.currentFrame, (basestage.istriple) ? (score * 3) : score, cx, cy);
trace("score:", score);
break;
case 10:
isclear = true;
basestage.setbiger();
basestage.showcue(backbroad.currentFrame, 0, cx, cy);
trace("big");
break;
case 11:
isclear = true;
basestage.settriple();
basestage.showcue(backbroad.currentFrame, 0, cx, cy);
trace("×3");
break;
case 12:
isclear = true;
basestage.moreball();
basestage.showcue(backbroad.currentFrame, 0, cx, cy);
trace("多球");
break;
case 13:
isclear = true;
basestage.setspDown();
basestage.showcue(backbroad.currentFrame, 0, cx, cy);
trace("减速");
break;
case 14:
isclear = true;
basestage.addTime();
basestage.showcue(backbroad.currentFrame, 0, cx, cy);
trace("增加时间");
break;
default:
break;
};
}
public function smallbody(){
hit1 = new Smallhit();
hit2 = new Smallhit();
hit1.x = (cx - 27);
hit1.y = cy;
hit2.x = (cx + 27);
hit2.y = cy;
hit1.obj = this;
hit2.obj = this;
basestage.actor.addChild(hit1);
basestage.actor.addChild(hit2);
basestage.world.makeBodyByYuanInside((hit1.x / 30), (hit1.y / 30), hit1, 0, 1, 0, false, "hit");
basestage.world.makeBodyByYuanInside((hit2.x / 30), (hit2.y / 30), hit2, 0, 1, 0, false, "hit");
}
public function goodin(){
if (state == 2){
return;
};
resetcount = 11;
state = 2;
clearMC();
if (basestage.isbig){
board = Bbasketstand_m;
} else {
board = basketstand_m;
};
if (basestage.isbig){
basket = Bbasketnet_w;
} else {
basket = basketnet_w;
};
ballboard.addChild(board);
ballbasket.addChild(basket);
board.x = cx;
basket.x = cx;
basket.sheng.gotoAndPlay(1);
}
public function workscoreNUM9(){
if (No != 9){
return;
};
score = (score - 26);
if (score < 200){
score = 200;
};
BaseUI.setmoney(backbroad.s, score, "s", 4);
}
public function initbody():void{
smallbody();
}
public function get hitPoint():Array{
var tempX:Number = 0;
if (basestage.isbig){
tempX = 45;
} else {
tempX = 27;
};
var tempArr:Array = new Array(new Point((cx + tempX), cy), new Point((cx - tempX), cy));
return (tempArr);
}
public function get goodball():Array{
var temparr:Array = new Array();
return (temparr);
}
public function commonin(){
if (state == 3){
return;
};
resetcount = 11;
state = 3;
clearMC();
if (basestage.isbig){
board = Bbasketstand_s;
} else {
board = basketstand_s;
};
if (basestage.isbig){
basket = Bbasketnet_h;
} else {
basket = basketnet_h;
};
ballboard.addChild(board);
ballbasket.addChild(basket);
basket.gotoAndPlay(1);
}
public function setsleep(){
if (state == 0){
return;
};
state = 0;
clearMC();
if (basestage.isbig){
board = Bbasketstand_s;
} else {
board = basketstand_s;
};
if (basestage.isbig){
basket = Bbasketnet_l;
} else {
basket = basketnet_l;
};
ballboard.addChild(board);
ballbasket.addChild(basket);
basket.gotoAndStop(1);
}
public function setAlpha(num:Number):Boolean{
clearbody();
var templen:int = McGroup.length;
var tempbool:Boolean;
var i:int;
while (i < templen) {
McGroup[i].alpha = (McGroup[i].alpha + num);
if (McGroup[i].alpha <= 0){
tempbool = true;
};
i++;
};
return (tempbool);
}
public function updata(s:Number){
if (isclear){
return;
};
cx = (cx + (s * way));
backbroad.x = cx;
board.x = cx;
basket.x = cx;
setbody();
setballinmc();
if (ballining){
ballcount++;
if (ballcount >= 15){
ballining = false;
ballcount = 0;
};
};
workscoreNUM9();
}
public function clearbody(){
if (bodyclear){
return;
};
bodyclear = true;
(hit1.bd as b2Body).SetXForm(new b2Vec2((700 / 30), (cy / 30)), 0);
(hit2.bd as b2Body).SetXForm(new b2Vec2((700 / 30), (cy / 30)), 0);
(ballin1.bd as b2Body).SetXForm(new b2Vec2(700, ((cy - 20) / 30)), 0);
(ballin2.bd as b2Body).SetXForm(new b2Vec2(700, ((cy + 30) / 30)), 0);
basestage.world.world.DestroyBody((hit1.bd as b2Body));
basestage.world.world.DestroyBody((hit2.bd as b2Body));
basestage.world.world.DestroyBody((ballin1.bd as b2Body));
basestage.world.world.DestroyBody((ballin2.bd as b2Body));
}
public function setTriple(){
if (basestage.istriple){
if (No < 8){
if ((No % 2) == 1){
No = (No + 1);
backbroad.gotoAndStop(No);
};
};
} else {
if (No < 9){
if ((No % 2) == 0){
No = (No - 1);
backbroad.gotoAndStop(No);
};
};
};
}
public function initcontainer(lv:int):void{
switch (lv){
case 1:
ballboard = basestage.ballboard1;
ballbasket = basestage.ballbasket1;
cy = 88;
break;
case 2:
ballboard = basestage.ballboard2;
ballbasket = basestage.ballbasket2;
cy = 163;
break;
case 3:
ballboard = basestage.ballboard3;
ballbasket = basestage.ballbasket3;
cy = 238;
break;
};
}
public function movebody(s:Number){
}
public function initballin(){
ballin1 = new Bighit();
ballin2 = new BBighit();
ballin1.x = cx;
ballin1.y = (cy - 20);
ballin2.x = cx;
ballin2.y = (cy + 30);
ballin1.time = new Object();
ballin2.time = new Object();
ballin2.obj = this;
ballin1.no = 1;
ballin2.no = 2;
basestage.actor.addChild(ballin1);
basestage.actor.addChild(ballin2);
basestage.world.makeBodyByYuanInside((ballin1.x / 30), (ballin1.y / 30), ballin1, 0, 1, 0, false, "in");
basestage.world.makeBodyByYuanInside((ballin2.x / 30), (ballin2.y / 30), ballin2, 0, 1, 0, false, "in");
}
public function destroy(){
isdestroy = true;
var templen:int = McGroup.length;
var i:int;
while (i < templen) {
if (McGroup[i].parent){
McGroup[i].parent.removeChild(McGroup[i]);
};
i++;
};
(hit1.bd as b2Body).SetXForm(new b2Vec2((700 / 30), (cy / 30)), 0);
(hit2.bd as b2Body).SetXForm(new b2Vec2((700 / 30), (cy / 30)), 0);
(ballin1.bd as b2Body).SetXForm(new b2Vec2(700, ((cy - 20) / 30)), 0);
(ballin2.bd as b2Body).SetXForm(new b2Vec2(700, ((cy + 30) / 30)), 0);
if (!bodyclear){
basestage.world.world.DestroyBody((hit1.bd as b2Body));
basestage.world.world.DestroyBody((hit2.bd as b2Body));
basestage.world.world.DestroyBody((ballin1.bd as b2Body));
basestage.world.world.DestroyBody((ballin2.bd as b2Body));
};
if (hit1.parent){
hit1.parent.removeChild(hit1);
};
if (hit2.parent){
hit2.parent.removeChild(hit2);
};
if (ballin1.parent){
ballin1.parent.removeChild(ballin1);
};
if (ballin2.parent){
ballin2.parent.removeChild(ballin2);
};
basestage = null;
ballboard = null;
ballbasket = null;
board = null;
basket = null;
McGroup = null;
}
}
}//package Element
Section 84
//BaseStage (Element.BaseStage)
package Element {
import flash.events.*;
import UserdefinedClass.*;
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import flash.display.*;
import flash.geom.*;
import flash.utils.*;
public class BaseStage extends MovieClip {
public var lway:int;// = 1
public var istriple:Boolean;// = false
public var backgroundsp:Sprite;
public var bigcount:int;// = 0
public var ball1:Sprite;
public var ball2:Sprite;
public var ball3:Sprite;
public var hgroup:Array;
public var actorsp:Sprite;
public var lcount:int;// = 0
public var isspdown:Boolean;// = false
public var background:MovieClip;
public var spdownonecwait:Boolean;// = false
public var mgroup:Array;
public var minsp:Number;// = 2
public var upperpoint:Point;
public var lowerpoint:Point;
public var G:Number;// = 10
public var mouseP:MovieClip;
public var ballbasket1:Sprite;
public var ballbasket2:Sprite;
public var ballbasket3:Sprite;
public var maxTime:int;// = 180
public var debug:Sprite;
public var speed:Number;// = 3
public var starttime:Number;// = 0
public var mway:int;// = -1
public var PHYSCALE:Number;// = 30
public var triplecount:int;// = 0
public var hway:int;// = 1
public var world:Box2dFactory;
public var lgroup:Array;
public var ui:Sprite;
public var score:int;// = 0
public var isbig:Boolean;// = false
public var hcount:int;// = 0
public var main:Main;
public var gametime:MyTime;
public var ballGroup:Array;
public var maxsp:Number;// = 10
public var mcount:int;// = 0
public var ballboard1:Sprite;
public var ballboard2:Sprite;
public var ballboard3:Sprite;
public var gamesp:Sprite;
public var cuesp:Sprite;
public var spdowncount:int;// = 0
public var tempspeed:Number;// = 0
public var actor:Actor;
public var ismoreball:Boolean;// = false
public function BaseStage(m:Main){
ballGroup = new Array();
hgroup = new Array();
mgroup = new Array();
lgroup = new Array();
lowerpoint = new Point(-2000, -2000);
upperpoint = new Point(2000, 2000);
super();
main = m;
initgame();
}
public function initgame():void{
initbox2d();
initcontainer();
initactor();
initmousePoint();
startListen();
initbgm();
starttime = int((getTimer() / 1000));
newball(-200, 450, 0);
newball(-200, 450, 0);
newball(-200, 450, 0);
newball(-200, 450, 0);
newball(-200, 450, 0);
}
public function setbaskettriple(){
var templen:int = hgroup.length;
var i:int;
i = 0;
while (i < templen) {
hgroup[i].setTriple();
i++;
};
templen = mgroup.length;
i = 0;
while (i < templen) {
mgroup[i].setTriple();
i++;
};
templen = lgroup.length;
i = 0;
while (i < templen) {
lgroup[i].setTriple();
i++;
};
}
public function addTime(){
if ((gametime.count + 30) <= maxTime){
gametime.count = (gametime.count + 30);
} else {
gametime.count = maxTime;
};
setTime();
}
public function movenum(num:Number){
if (num >= 0){
return (1);
};
return (-1);
}
public function showcue(num:int, s:int, x:Number, y:Number){
var tempmc:MovieClip = new Cuemc();
tempmc.x = x;
tempmc.y = (y - 30);
var tempnum:int;
if (num < 10){
tempnum = 1;
} else {
tempnum = (num - 8);
};
tempmc.gotoAndStop(tempnum);
BaseUI.setMaxscore(tempmc.s, s, "s", 4);
cuesp.addChild(tempmc);
}
public function worknummatch(num:int){
var templen:int = hgroup.length;
var i:int;
var tempbool:Boolean;
i = 0;
while (i < templen) {
if (hgroup[i].No == num){
tempbool = false;
break;
};
i++;
};
templen = mgroup.length;
i = 0;
while (i < templen) {
if (mgroup[i].No == num){
tempbool = false;
break;
};
i++;
};
templen = lgroup.length;
i = 0;
while (i < templen) {
if (lgroup[i].No == num){
tempbool = false;
break;
};
i++;
};
return (tempbool);
}
public function resetcount(){
hcount = getspace();
mcount = getspace();
lcount = getspace();
}
public function updataL(){
var boardnum:int;
var tempbackboard:Backboard;
var tempnum:int = MyMath.randRange(3);
var tempNum:Array = new Array(1, 3, 5, 7);
var tempspNum:Array = new Array();
tempspNum = setboardspnum();
if (tempspNum.length){
boardnum = (MyMath.randRange(5)) ? tempNum[MyMath.randRange((tempNum.length - 1))] : tempspNum[MyMath.randRange((tempspNum.length - 1))];
} else {
boardnum = tempNum[MyMath.randRange((tempNum.length - 1))];
};
if (lcount == 0){
if (tempnum == 1){
if (((isspdown) && (spdownonecwait))){
spdownonecwait = false;
return;
};
lcount = getspace();
tempbackboard = new Backboard(this, 3, lway, boardnum);
lgroup.push(tempbackboard);
};
} else {
lcount--;
};
var templen:int = lgroup.length;
var tempalpha:Array = new Array();
var tempspeed:Number = speed;
var i:int;
while (i < templen) {
lgroup[i].updata(tempspeed);
if (lgroup[i].isclear){
if (lgroup[i].setAlpha(-0.1)){
tempalpha.push(lgroup[i]);
};
};
i++;
};
templen = tempalpha.length;
i = 0;
while (i < templen) {
lgroup[lgroup.indexOf(tempalpha[i])].destroy();
lgroup.splice(lgroup.indexOf(tempalpha[i]), 1);
i++;
};
templen = lgroup.length;
if (templen >= 1){
if ((((lgroup[0].cx < -80)) || ((lgroup[0].cx > 720)))){
lgroup[0].destroy();
lgroup.splice(0, 1);
};
};
}
public function updataH(){
var boardnum:int;
var tempbackboard:Backboard;
var tempnum:int = MyMath.randRange(3);
var tempNum:Array = new Array(1, 3, 5, 7);
var tempspNum:Array = new Array();
tempspNum = setboardspnum();
if (tempspNum.length){
boardnum = (MyMath.randRange(3)) ? tempNum[MyMath.randRange((tempNum.length - 1))] : tempspNum[MyMath.randRange((tempspNum.length - 1))];
} else {
boardnum = tempNum[MyMath.randRange((tempNum.length - 1))];
};
if (hcount == 0){
if (tempnum == 1){
if (((isspdown) && (spdownonecwait))){
spdownonecwait = false;
return;
};
hcount = getspace();
tempbackboard = new Backboard(this, 1, hway, boardnum);
hgroup.push(tempbackboard);
};
} else {
hcount--;
};
var templen:int = hgroup.length;
var tempalpha:Array = new Array();
var tempspeed:Number = speed;
var i:int;
while (i < templen) {
hgroup[i].updata(tempspeed);
if (hgroup[i].isclear){
if (hgroup[i].setAlpha(-0.1)){
tempalpha.push(hgroup[i]);
};
};
i++;
};
templen = tempalpha.length;
i = 0;
while (i < templen) {
hgroup[hgroup.indexOf(tempalpha[i])].destroy();
hgroup.splice(hgroup.indexOf(tempalpha[i]), 1);
i++;
};
templen = hgroup.length;
if (templen >= 1){
if ((((hgroup[0].cx < -80)) || ((hgroup[0].cx > 720)))){
hgroup[0].destroy();
hgroup.splice(0, 1);
};
};
}
public function updataM(){
var boardnum:int;
var tempbackboard:Backboard;
var tempnum:int = MyMath.randRange(3);
var tempNum:Array = new Array(1, 3, 5, 7);
var tempspNum:Array = new Array();
tempspNum = setboardspnum();
if (tempspNum.length){
boardnum = (MyMath.randRange(4)) ? tempNum[MyMath.randRange((tempNum.length - 1))] : tempspNum[MyMath.randRange((tempspNum.length - 1))];
} else {
boardnum = tempNum[MyMath.randRange((tempNum.length - 1))];
};
if (mcount == 0){
if (tempnum == 1){
if (((isspdown) && (spdownonecwait))){
spdownonecwait = false;
return;
};
mcount = getspace();
tempbackboard = new Backboard(this, 2, mway, boardnum);
mgroup.push(tempbackboard);
};
} else {
mcount--;
};
var templen:int = mgroup.length;
var tempalpha:Array = new Array();
var tempspeed:Number = speed;
var i:int;
while (i < templen) {
mgroup[i].updata(tempspeed);
if (mgroup[i].isclear){
if (mgroup[i].setAlpha(-0.1)){
tempalpha.push(mgroup[i]);
};
};
i++;
};
templen = tempalpha.length;
i = 0;
while (i < templen) {
mgroup[mgroup.indexOf(tempalpha[i])].destroy();
mgroup.splice(mgroup.indexOf(tempalpha[i]), 1);
i++;
};
templen = mgroup.length;
if (templen >= 1){
if ((((mgroup[0].cx < -80)) || ((mgroup[0].cx > 720)))){
mgroup[0].destroy();
mgroup.splice(0, 1);
};
};
}
public function pushball(){
if (actor.ball){
return;
};
if (actor.ballmc.canhit > 0){
return;
};
var templen:int = ballGroup.length;
var i:int;
while (i < templen) {
if (ballGroup[i].alpha == 0){
} else {
if ((ballGroup[i].bd as b2Body).GetXForm().position.y > (400 / 30)){
if (ballGroup[i].hitTestObject(actor)){
(ballGroup[i].bd as b2Body).SetLinearVelocity(new b2Vec2(0, 0));
ballGroup[i].alpha = 0;
ballGroup[i].vy = 0;
ballGroup[i].vx = 0;
actor.ballmc = ballGroup[i];
actor.ball = true;
Main.pickup_sd.playsound(1);
break;
};
};
};
i++;
};
}
public function settriple(){
istriple = true;
setbaskettriple();
triplecount = (30 * 10);
}
public function workballdepth(){
var setdepth:Function = function (tmc:MovieClip){
var tempY:Number = tmc.y;
var tempVY:Number = (tmc.bd as b2Body).GetLinearVelocity().y;
if (tempY > (238 - 17)){
if ((tempVY < 0)){
actorsp.addChild(tmc);
} else {
ball3.addChild(tmc);
};
} else {
if (tempY > (163 - 17)){
if ((tempVY < 0)){
actorsp.addChild(tmc);
} else {
ball2.addChild(tmc);
};
} else {
if (tempY > (88 - 17)){
if ((tempVY < 0)){
actorsp.addChild(tmc);
} else {
ball1.addChild(tmc);
};
};
};
};
if (tmc.canhit > 0){
tmc.canhit--;
};
};
var templen:int = ballGroup.length;
var i:int;
while (i < templen) {
setdepth((ballGroup[i] as MovieClip));
if ((ballGroup[i].bd as b2Body).GetLinearVelocity().y > -4){
(ballGroup[i].bd as b2Body).GetUserData().type = "ball";
} else {
(ballGroup[i].bd as b2Body).GetUserData().type = "none";
};
i = (i + 1);
};
}
public function updataball(){
if (!ismoreball){
return;
};
var templen:int = ballGroup.length;
if (templen < 2){
return;
};
var temparr:Array = new Array();
var i = 1;
while (i < templen) {
if (ballGroup[i].road){
if (ballGroup[i].alpha == 0){
} else {
ballGroup[i].count--;
if (ballGroup[i].count <= 0){
if (ballGroup[i].activity){
ballGroup[i].activity = false;
(ballGroup[i].bd as b2Body).SetXForm(new b2Vec2((-200 / 30), (450 / 30)), 0, true);
ballGroup[i].alpha = 0;
trace("aa");
};
};
};
};
i++;
};
var tempbool:Boolean;
i = 1;
while (i < 6) {
if (ballGroup[i].activity){
tempbool = false;
break;
};
i++;
};
if (tempbool){
ismoreball = false;
};
}
public function initbackground(){
background = new BackGround();
backgroundsp.addChild(background);
world.addToWorld((background.x / PHYSCALE), (background.y / PHYSCALE), 0, 1, 0, 0, background, false, "road");
}
public function setTime(){
main.setTime(((gametime.count * 100) / maxTime));
}
public function updatacue():void{
var tempmc:MovieClip;
var templen:int = cuesp.numChildren;
if (templen < 1){
return;
};
var i:int;
while (i < templen) {
tempmc = (cuesp.getChildAt(i) as MovieClip);
tempmc.alpha = (tempmc.alpha - 0.05);
tempmc.y = (tempmc.y - 1);
i++;
};
if (templen < 1){
return;
};
tempmc = (cuesp.getChildAt(0) as MovieClip);
if (tempmc.alpha <= 0){
cuesp.removeChild(tempmc);
};
}
public function workhitboard(tmc:MovieClip, arr:Array, _speed:Number=0){
var verticalP:Point;
var quotiety:Number;
var tempvec:Point;
var tempunitvec:Point;
var tempnum:Number;
var unitvec:Point;
var tempVY:Number = tmc.vy;
if (tempVY < 0){
return;
};
var templen:int = arr.length;
var tmcP:Point = new Point(tmc.x, tmc.y);
var tempHit:Array = new Array();
var hitlen:Number = 0;
var ballP:Point = new Point(tmc.vx, tmc.vy);
var i:int;
while (i < templen) {
tempHit = arr[i].hitPoint;
hitlen = Point.distance(tmcP, (tempHit[0] as Point));
if (hitlen <= 20){
verticalP = new Point((tempHit[0].x - tmcP.x), (tempHit[0].y - tmcP.y));
tempnum = Math.sqrt(((verticalP.x * verticalP.x) + (verticalP.y * verticalP.y)));
unitvec = new Point((verticalP.x / tempnum), (verticalP.y / tempnum));
tempunitvec = new Point(((((20 - hitlen) + 2) * unitvec.x) * -1), ((((20 - hitlen) + 2) * unitvec.y) * -1));
quotiety = (((verticalP.x * ballP.x) + (verticalP.y * ballP.y)) / ((verticalP.x * verticalP.x) + (verticalP.y * verticalP.y)));
tempvec = new Point(((verticalP.x * quotiety) * -1), ((verticalP.y * quotiety) * -1));
tmc.vx = (tempvec.x * 0.8);
tmc.vy = (tempvec.y * 0.8);
tmc.x = (tmc.x + ((tempunitvec.x + movenum(tempunitvec.x)) - _speed));
tmc.y = (tmc.y + (tempunitvec.y + movenum(tempunitvec.y)));
break;
};
hitlen = Point.distance(tmcP, (tempHit[1] as Point));
if (hitlen <= 20){
verticalP = new Point((tempHit[1].x - tmcP.x), (tempHit[1].y - tmcP.y));
tempnum = Math.sqrt(((verticalP.x * verticalP.x) + (verticalP.y * verticalP.y)));
unitvec = new Point((verticalP.x / tempnum), (verticalP.y / tempnum));
tempunitvec = new Point(((((20 - hitlen) + 2) * unitvec.x) * -1), ((((20 - hitlen) + 2) * unitvec.y) * -1));
quotiety = (((verticalP.x * ballP.x) + (verticalP.y * ballP.y)) / ((verticalP.x * verticalP.x) + (verticalP.y * verticalP.y)));
tempvec = new Point(((verticalP.x * quotiety) * -1), ((verticalP.y * quotiety) * -1));
tmc.vx = (tempvec.x * 0.8);
tmc.vy = (tempvec.y * 0.8);
tmc.x = (tmc.x + ((tempunitvec.x + movenum(tempunitvec.x)) - _speed));
tmc.y = (tmc.y + (tempunitvec.y + movenum(tempunitvec.y)));
break;
};
i++;
};
}
public function initbox2d(){
world = Box2dFactory.getInstance();
var aabb:b2AABB = new b2AABB();
aabb.lowerBound.Set(lowerpoint.x, lowerpoint.y);
aabb.upperBound.Set(upperpoint.x, upperpoint.y);
world.createWorld(new b2Vec2(0, 10), aabb);
world.world.SetContactFilter(new MyContactFilter());
MyContactFilter.basestage = this;
world.world.SetContactListener(new MyContactListener());
}
public function getspace():int{
return (Math.ceil((150 / speed)));
}
public function initcontainer():void{
ui = new Sprite();
gamesp = new Sprite();
backgroundsp = new Sprite();
debug = new Sprite();
cuesp = new Sprite();
addChild(gamesp);
addChild(cuesp);
addChild(ui);
addChild(debug);
gamesp.addChild(backgroundsp);
initbackground();
ballboard1 = new Sprite();
ball1 = new Sprite();
ballbasket1 = new Sprite();
ballboard2 = new Sprite();
ball2 = new Sprite();
ballbasket2 = new Sprite();
ballboard3 = new Sprite();
ball3 = new Sprite();
ballbasket3 = new Sprite();
actorsp = new Sprite();
gamesp.addChild(ballboard3);
gamesp.addChild(ball3);
gamesp.addChild(ballbasket3);
gamesp.addChild(ballboard2);
gamesp.addChild(ball2);
gamesp.addChild(ballbasket2);
gamesp.addChild(ballboard1);
gamesp.addChild(ball1);
gamesp.addChild(ballbasket1);
gamesp.addChild(actorsp);
}
public function showball(){
actor.ballmc.canhit = 10;
actor.ballmc.alpha = 1;
actor.ballmc.x = actor.x;
actor.ballmc.y = (actor.y - 100);
actor.ballmc.stopy = false;
(actor.ballmc.bd as b2Body).SetXForm(new b2Vec2((actor.ballmc.x / PHYSCALE), (actor.ballmc.y / PHYSCALE)), 0);
if (mouseY > 238){
actor.ballmc.target = 238;
} else {
actor.ballmc.target = mouseY;
};
actor.ballmc.vy = -(Math.sqrt((((2 * G) * Math.abs((actor.ballmc.target - actor.ballmc.y))) / PHYSCALE)));
(actor.ballmc.bd as b2Body).SetLinearVelocity(new b2Vec2(0, actor.ballmc.vy));
}
public function setspDown(){
isspdown = true;
background.Mask.alpha = 1;
tempspeed = speed;
speed = minsp;
spdowncount = (30 * 10);
spdownonecwait = true;
resetcount();
}
public function setbiger(){
isbig = true;
setbasketsize();
bigcount = (30 * 10);
}
public function ballint(tmc:MovieClip, arr:Array){
var templen:int = arr.length;
var i:int;
while (i < templen) {
i++;
};
}
public function addscore(num:int){
score = (score + num);
main.setScore(score);
}
public function onfire(e:MouseEvent):void{
actor.tofire();
}
public function setbasketsize(){
var templen:int = hgroup.length;
var i:int;
i = 0;
while (i < templen) {
if (((hgroup[i].isdestroy) || (hgroup[i].bodyclear))){
} else {
hgroup[i].setSize();
};
i++;
};
templen = mgroup.length;
i = 0;
while (i < templen) {
if (((mgroup[i].isdestroy) || (mgroup[i].bodyclear))){
} else {
mgroup[i].setSize();
};
i++;
};
templen = lgroup.length;
i = 0;
while (i < templen) {
if (((lgroup[i].isdestroy) || (lgroup[i].bodyclear))){
} else {
lgroup[i].setSize();
};
i++;
};
}
public function newball(bx:Number, by:Number, balpha:Number=1):MovieClip{
var tempmc:MovieClip = new Ball();
tempmc.time1 = 0;
tempmc.time2 = 0;
tempmc.stopy = false;
tempmc.canhit = 0;
tempmc.x = bx;
tempmc.y = by;
world.makeBodyByYuanInside((tempmc.x / PHYSCALE), (tempmc.y / PHYSCALE), tempmc, 1, 1, 0.75, true, "ball", false);
tempmc.alpha = balpha;
tempmc.vx = 0;
tempmc.vy = 0;
tempmc.activity = false;
tempmc.count = (30 * 3);
tempmc.road = false;
ballGroup.push(tempmc);
actorsp.addChild(tempmc);
return (tempmc);
}
public function updataspeed():void{
if (isspdown){
return;
};
var timespace:Number = 30;
var temp:Number = int(((getTimer() / 1000) - starttime));
speed = ((int((temp / timespace)) * 0.5) + 3);
if (speed > maxsp){
speed = maxsp;
};
}
public function workbasketchange():void{
if (isbig){
bigcount--;
if (bigcount <= 0){
isbig = false;
setbasketsize();
};
};
if (istriple){
triplecount--;
if (triplecount <= 0){
istriple = false;
setbaskettriple();
};
};
if (isspdown){
spdowncount--;
if (spdowncount <= 0){
isspdown = false;
background.Mask.alpha = 0;
speed = tempspeed;
};
};
}
public function initbgm():void{
SoundControl.stopallsound();
Main.bgm.playsound(1000000);
}
public function updata(e:Event=null){
setmousePoint();
actor.updata(mouseX);
workballdepth();
pushball();
updataH();
updataM();
updataL();
world.updata();
workbasketchange();
updatacue();
updataball();
updataspeed();
}
public function gameover(){
removeEventListener(Event.ENTER_FRAME, updata);
main.showwin(score);
}
public function startListen(){
gametime = new MyTime(maxTime, setTime, gameover);
gametime.starttime();
addEventListener(Event.ENTER_FRAME, updata);
main.stage.addEventListener(MouseEvent.MOUSE_DOWN, onfire);
}
private function setmousePoint():void{
mouseP.x = mouseX;
mouseP.y = mouseY;
}
public function moreball(){
if (ismoreball){
return;
};
ismoreball = true;
var tempx:Number = int(ballGroup[0].x);
var tempy:Number = int(ballGroup[0].y);
var i = 1;
while (i < 6) {
ballGroup[i].alpha = 1;
ballGroup[i].bd.SetXForm(new b2Vec2(((tempx + i) / 30), ((tempy + i) / 30)), 0, true);
(ballGroup[i].bd as b2Body).SetLinearVelocity(new b2Vec2(i, 0));
ballGroup[i].count = (30 * 3);
ballGroup[i].activity = true;
i++;
};
trace("more");
}
public function setboardspnum():Array{
var temparr:Array = new Array();
if (worknummatch(9)){
temparr.push(9);
};
if (((!(isbig)) && (worknummatch(10)))){
temparr.push(10);
};
if (((!(istriple)) && (worknummatch(11)))){
temparr.push(11);
};
if (((!(ismoreball)) && (worknummatch(12)))){
temparr.push(12);
};
if (((!(isspdown)) && (worknummatch(13)))){
temparr.push(13);
};
if (!MyMath.randRange(3)){
temparr.push(14);
};
return (temparr);
}
public function initactor(){
actor = new Actor(this, 320, 465);
actorsp.addChild(actor);
}
public function throwball(){
showball();
}
public function destroy(){
Clr.removeAllChildren(ballboard1);
Clr.removeAllChildren(ballbasket1);
Clr.removeAllChildren(ball1);
Clr.removeAllChildren(ballboard2);
Clr.removeAllChildren(ballbasket2);
Clr.removeAllChildren(ball2);
Clr.removeAllChildren(ballboard3);
Clr.removeAllChildren(ballbasket3);
Clr.removeAllChildren(ball3);
Clr.removeAllChildren(actorsp);
Clr.removeAllChildren(backgroundsp);
Clr.removeAllChildren(gamesp);
Clr.removeAllChildren(ui);
Clr.removeAllChildren(cuesp);
Clr.removeAllChildren(debug);
Clr.removeAllChildren(this);
removeEventListener(Event.ENTER_FRAME, updata);
main.stage.removeEventListener(MouseEvent.MOUSE_DOWN, onfire);
gametime.removetime();
Box2dFactory.getInstance().clear();
}
private function initmousePoint():void{
mouseP = new MousePoint();
ui.addChild(mouseP);
}
}
}//package Element
Section 85
//MyContactFilter (Element.MyContactFilter)
package Element {
import Box2D.Dynamics.*;
import Box2D.Collision.Shapes.*;
import flash.utils.*;
public class MyContactFilter extends b2ContactFilter {
public static var basestage:BaseStage;
public function MyContactFilter(){
super();
}
override public function ShouldCollide(fixtureA:b2Shape, fixtureB:b2Shape):Boolean{
var b1:b2Body = fixtureA.GetBody();
var b2:b2Body = fixtureB.GetBody();
var u1:Object = b1.GetUserData();
var u2:Object = b2.GetUserData();
if (((u1) && (u2))){
if ((((u1.type == "none")) && ((u2.type == "in")))){
u2.element.time[u1.element.name] = getTimer();
return (false);
};
if ((((u1.type == "in")) && ((u2.type == "none")))){
u1.element.time[u2.element.name] = getTimer();
return (false);
};
if ((((u1.type == "ball")) && ((u2.type == "in")))){
u2.element.time[u1.element.name] = getTimer();
if (u2.element.no == 2){
u2.element.obj.isin(u1.element.name);
};
return (false);
} else {
if ((((u1.type == "in")) && ((u2.type == "ball")))){
u1.element.time[u2.element.name] = getTimer();
if (u1.element.no == 2){
u1.element.obj.isin(u2.element.name);
};
return (false);
};
};
if ((((u1.type == "ball")) && ((u2.type == "ball")))){
return (false);
};
if ((((u1.type == "ball")) && ((u2.type == "ball")))){
return (false);
};
if ((((u1.type == "none")) && ((u2.type == "none")))){
return (false);
};
if ((((u1.type == "none")) && ((u2.type == "none")))){
return (false);
};
if ((((u1.type == "ball")) && ((u2.type == "none")))){
return (false);
};
if ((((u1.type == "none")) && ((u2.type == "ball")))){
return (false);
};
if ((((u1.type == "hit")) && ((u2.type == "none")))){
return (false);
};
if ((((u1.type == "none")) && ((u2.type == "hit")))){
return (false);
};
return (true);
//unresolved jump
};
return (true);
}
}
}//package Element
Section 86
//MyContactListener (Element.MyContactListener)
package Element {
import Box2D.Dynamics.*;
import Box2D.Collision.*;
import flash.display.*;
public class MyContactListener extends b2ContactListener {
public static var basestage:BaseStage;
public function MyContactListener(){
super();
}
override public function Add(point:b2ContactPoint):void{
var b1:* = point.shape1.GetBody().GetUserData();
var b2:* = point.shape2.GetBody().GetUserData();
var body1:b2Body = point.shape1.GetBody();
var body2:b2Body = point.shape2.GetBody();
if (((b1) && (b2))){
if (((b1.type) && (b2.type))){
if ((((b1.type == "ball")) && ((b2.type == "hit")))){
if ((b2.element.obj is Backboard)){
(b2.element.obj as Backboard).shake();
};
} else {
if ((((b2.type == "ball")) && ((b1.type == "hit")))){
if ((b1.element.obj is Backboard)){
(b1.element.obj as Backboard).shake();
};
};
};
if ((((b1.type == "ball")) && ((b2.type == "road")))){
if (b1.element.alpha == 1){
Main.hitroad_sd.playsound(1);
};
} else {
if ((((b2.type == "ball")) && ((b1.type == "road")))){
if (b2.element.alpha == 1){
Main.hitroad_sd.playsound(1);
};
};
};
};
};
}
override public function Persist(point:b2ContactPoint):void{
var b1:* = point.shape1.GetBody().GetUserData();
var b2:* = point.shape2.GetBody().GetUserData();
var body1:b2Body = point.shape1.GetBody();
var body2:b2Body = point.shape2.GetBody();
var bm1:MovieClip = (b1.element as MovieClip);
var bm2:MovieClip = (b2.element as MovieClip);
if (((b1) && (b2))){
if (((b1.type) && (b2.type))){
if ((((b1.type == "ball")) && ((b2.type == "road")))){
bm1.road = true;
} else {
if ((((b2.type == "ball")) && ((b1.type == "road")))){
bm2.road = true;
};
};
};
};
}
override public function Remove(point:b2ContactPoint):void{
var b1:* = point.shape1.GetBody().GetUserData();
var b2:* = point.shape2.GetBody().GetUserData();
var body1:b2Body = point.shape1.GetBody();
var body2:b2Body = point.shape2.GetBody();
var bm1:MovieClip = (b1.element as MovieClip);
var bm2:MovieClip = (b2.element as MovieClip);
if (((b1) && (b2))){
if (((b1.type) && (b2.type))){
if ((((b1.type == "ball")) && ((b2.type == "road")))){
bm1.road = false;
} else {
if ((((b2.type == "ball")) && ((b1.type == "road")))){
bm2.road = false;
};
};
};
};
}
}
}//package Element
Section 87
//Num10 (Element.Num10)
package Element {
import flash.events.*;
import flash.display.*;
public class Num10 extends MovieClip {
public static var cacheObj:Array = new Array();
public function Num10(){
super();
addFrameScript(0, frame1, 1, frame2);
}
public function setFrame(num:int){
if ((num == 1)){
this.gotoAndStop(1);
} else {
this.gotoAndStop(2);
};
}
function frame1(){
stop();
}
private function updata(e:Event=null):void{
if ((Actor.NumWay == 1)){
this.gotoAndStop(1);
} else {
this.gotoAndStop(2);
};
}
function frame2(){
stop();
}
public static function Delecho(){
var templen:int = _slot1.cacheObj.length;
if (templen > 2){
_slot1.cacheObj.splice(0, 1);
};
}
}
}//package Element
Section 88
//BaseSound (UserdefinedClass.BaseSound)
package UserdefinedClass {
import flash.media.*;
import flash.utils.*;
public class BaseSound {
public var sd:Sound;
public var sdChannel:SoundChannel;
public var sdTransform:SoundTransform;
public function BaseSound(soundclassname:String){
super();
var soundclass:Object = getDefinitionByName(soundclassname);
sd = (new (soundclass) as Sound);
sdChannel = new SoundChannel();
}
public function playsound(loop:int, volume:Number=1){
sdTransform = new SoundTransform();
sdTransform.volume = volume;
sdChannel = sd.play(0, loop, sdTransform);
}
public function setvolume(volume:Number){
sdTransform = new SoundTransform();
sdTransform.volume = volume;
sdChannel.soundTransform = sdTransform;
}
public function stopSound(){
if (sdChannel){
sdChannel.stop();
};
}
}
}//package UserdefinedClass
Section 89
//BaseUI (UserdefinedClass.BaseUI)
package UserdefinedClass {
import flash.display.*;
public class BaseUI {
public static var uisp:Sprite = new Sprite();
public function BaseUI(){
super();
}
public static function setcargo(obj:MovieClip, num:int, str:String){
var temp:Array = MyMath.worknum(num);
(obj[(str + 0)] as MovieClip).gotoAndStop((temp[0] + 1));
(obj[(str + 1)] as MovieClip).gotoAndStop((temp[1] + 1));
}
public static function setWinHighScore(obj:MovieClip, Scorenum:int){
var Temp:Array = new Array(obj.h0, obj.h1, obj.h2, obj.h3, obj.h4);
var tempnum:Array = MyMath.NumtoArray(Scorenum);
var len:int = tempnum.length;
var i:int;
while (i < 5) {
if (i < len){
Temp[i].alpha = 1;
Temp[i].gotoAndStop((tempnum[i] + 1));
} else {
Temp[i].alpha = 0;
};
i++;
};
}
public static function setfloattime(Mc:MovieClip, S:Number){
var tempint:Array = MyMath.worknum(int(S));
var tempdec:Array = MyMath.worknum(int(((S - int(S)) * 100)));
Mc.t2.gotoAndStop((tempint[0] + 1));
Mc.t3.gotoAndStop((tempint[1] + 1));
Mc.t0.gotoAndStop((tempdec[0] + 1));
Mc.t1.gotoAndStop((tempdec[1] + 1));
if (tempint[1] == 0){
Mc.t3.alpha = 0;
} else {
Mc.t3.alpha = 1;
};
if (tempdec[0] == 0){
Mc.t0.alpha = 0;
} else {
Mc.t0.alpha = 1;
};
}
public static function setlv(obj:MovieClip, num:int){
var temp:Array = MyMath.worknum(num);
(obj.lv0 as MovieClip).gotoAndStop((temp[0] + 1));
(obj.lv1 as MovieClip).gotoAndStop((temp[1] + 1));
}
public static function setP(Mc:MovieClip, val:int, max:int, str:String){
var tempP:Array = new Array(Mc[str]["p1"], Mc[str]["p2"], Mc[str]["p3"], Mc[str]["p4"], Mc[str]["p5"], Mc[str]["p6"], Mc[str]["p7"], Mc[str]["p8"], Mc[str]["p9"], Mc[str]["p10"]);
var i:int;
while (i < 10) {
tempP[i].gotoAndStop(3);
if (i < max){
tempP[i].gotoAndStop(2);
};
if (i < val){
tempP[i].gotoAndStop(1);
};
i++;
};
}
public static function settime(Mc:MovieClip, num:int){
var timearr:Array = MyMath.TimeFormat(num);
var timemcname:Array = new Array(Mc.t0, Mc.t1, Mc.t2, Mc.t3);
var i:int;
while (i < 4) {
(timemcname[i] as MovieClip).gotoAndStop((timearr[i] + 1));
i++;
};
}
public static function setMaxscore(Mc:MovieClip, val:int, str:String, Maxval:int){
var tempP:Array = new Array();
var i:int;
while (i < Maxval) {
tempP.push(Mc[(str + i)]);
i++;
};
var tempnum:Array = MyMath.NumtoArray(val);
var len:int = tempnum.length;
if (val == 0){
i = 0;
while (i < Maxval) {
tempP[i].alpha = 0;
i++;
};
tempP[0].alpha = 1;
tempP[0].gotoAndStop(1);
return;
};
i = 0;
while (i < Maxval) {
if (i < len){
tempP[i].alpha = 1;
tempP[i].gotoAndStop((tempnum[i] + 1));
} else {
tempP[i].alpha = 0;
};
i++;
};
}
public static function setcombo(obj:MovieClip, num:int){
var temp:Array = MyMath.worknum(num);
(obj.c0 as MovieClip).alpha = 1;
if (num > 9){
(obj.c1 as MovieClip).alpha = 1;
} else {
(obj.c1 as MovieClip).alpha = 0;
};
(obj.c0 as MovieClip).gotoAndStop((temp[0] + 1));
(obj.c1 as MovieClip).gotoAndStop((temp[1] + 1));
}
public static function showscore(scnum:int, objname, Container:DisplayObjectContainer, x:Number, y:Number, size:Number=1, flushleft:Boolean=true){
var sc:MovieClip;
Clr.removeAllChildren(uisp);
var tempnum:Array = MyMath.NumtoArray(scnum, flushleft);
var len:int = tempnum.length;
var i:int;
while (i < len) {
sc = (new (objname) as MovieClip);
sc.scaleX = (sc.scaleY = size);
sc.x = (sc.width * i);
if (!flushleft){
sc.x = (-(sc.width) * i);
};
sc.gotoAndStop((tempnum[i] + 1));
uisp.addChild(sc);
i++;
};
uisp.x = x;
uisp.y = y;
Container.addChild(uisp);
}
public static function setValue(obj:MovieClip, objname:String, frame:int){
obj[objname].gotoAndStop(frame);
}
public static function setcenter(mc:MovieClip, mid:Number, numval:int, maxval:int){
var tempL:Number = (mc.width / maxval);
var tempnum:int = MyMath.NumtoArray(numval).length;
mc.x = (mid - ((tempnum * tempL) / 2));
}
public static function setWinScore(obj:MovieClip, Scorenum:int){
var Temp:Array = new Array(obj.s0, obj.s1, obj.s2, obj.s3, obj.s4);
var tempnum:Array = MyMath.NumtoArray(Scorenum);
var len:int = tempnum.length;
var i:int;
while (i < 5) {
if (i < len){
Temp[i].alpha = 1;
Temp[i].gotoAndStop((tempnum[i] + 1));
} else {
Temp[i].alpha = 0;
};
i++;
};
}
public static function setmax(Mc:MovieClip, val:int, max:int, str:String){
if ((max == val)){
Mc[str].gotoAndStop(2);
} else {
Mc[str].gotoAndStop(1);
};
}
public static function setalpha(alpha:Number, Mc:MovieClip, str:String, Max:int){
var tempP:Array = new Array();
var i:int;
while (i < Max) {
tempP.push(Mc[(str + i)]);
i++;
};
i = 0;
while (i < Max) {
tempP[i].alpha = alpha;
i++;
};
}
public static function setnumval(Mc:MovieClip, val:int, str:String){
var tempmc:Array = new Array();
var i = 1;
while (i < 11) {
tempmc.push(Mc[(str + i)]);
i++;
};
i = 0;
while (i < 10) {
if (i < val){
tempmc[i].gotoAndStop(1);
} else {
tempmc[i].gotoAndStop(2);
};
i++;
};
}
public static function setmoney(Mc:MovieClip, val:int, str:String, Maxval:int){
var tempP:Array = new Array();
var i:int;
while (i < Maxval) {
tempP.push(Mc[(str + i)]);
i++;
};
var tempnum:Array = MyMath.NumtoArray(val, false);
var len:int = tempnum.length;
if (val == 0){
i = 0;
while (i < Maxval) {
tempP[i].alpha = 0;
i++;
};
tempP[0].alpha = 1;
tempP[0].gotoAndStop(1);
return;
};
i = 0;
while (i < Maxval) {
if (i < len){
tempP[i].alpha = 1;
tempP[i].gotoAndStop((tempnum[i] + 1));
} else {
tempP[i].alpha = 0;
};
i++;
};
}
public static function setScore(obj:MovieClip, Scorenum:int, str:String){
var Temp:Array = new Array(obj[(str + "0")], obj[(str + "1")], obj[(str + "2")], obj[(str + "3")], obj[(str + "4")], obj[(str + "5")]);
var tempnum:Array = MyMath.NumtoArray(Scorenum);
var len:int = tempnum.length;
var i:int;
while (i < 6) {
if (i < len){
Temp[i].alpha = 1;
Temp[i].gotoAndStop((tempnum[i] + 1));
} else {
Temp[i].alpha = 0;
};
i++;
};
}
}
}//package UserdefinedClass
Section 90
//Box2dFactory (UserdefinedClass.Box2dFactory)
package UserdefinedClass {
import flash.events.*;
import Box2D.Dynamics.*;
import Box2D.Common.Math.*;
import Box2D.Collision.*;
import Box2D.Collision.Shapes.*;
import Box2D.Dynamics.Joints.*;
import flash.display.*;
public class Box2dFactory {
public var mousecount:int;// = 0
public var mX:Number;
public var mY:Number;
private var _world:b2World;
public var _density:Number;// = 5
public var _restitution:Number;// = 0
public var mousesp:Sprite;
private var _useMouseJoint:Boolean;// = false
public var _friction:Number;// = 5
private var mouse_MaxForce:int;// = 1500
private var mouseJoint:b2MouseJoint;
public var tempmc:MovieClip;
public var fourangle:Number;
private var _stage:Stage;
public static const PHYSCALE:Number = 30;
public static const STEP:Number = 0.0666666666666667;
public static const ITERATION:int = 50;
private static var _instance:Box2dFactory;
public function Box2dFactory(){
super();
}
public function createMouse(evt:MouseEvent):void{
var mouseJointDef:b2MouseJointDef;
var body:b2Body = (tempmc.bd as b2Body);
if (body){
mouseJointDef = new b2MouseJointDef();
mouseJointDef.body1 = world.GetGroundBody();
mouseJointDef.body2 = body;
mouseJointDef.target.Set((_stage.mouseX / 30), (_stage.mouseY / 30));
mouseJointDef.maxForce = mouse_MaxForce;
mouseJointDef.timeStep = STEP;
mouseJoint = (world.CreateJoint(mouseJointDef) as b2MouseJoint);
};
}
public function get world():b2World{
return (_world);
}
public function GetBodyAtMouse(includeStatic:Boolean=false):b2Body{
var tShape:b2Shape;
var inside:Boolean;
var mouseXWorldPhys:Number = (_stage.mouseX / PHYSCALE);
var mouseYWorldPhys:Number = (_stage.mouseY / PHYSCALE);
var vec:b2Vec2 = new b2Vec2(mouseXWorldPhys, mouseYWorldPhys);
var aabb:b2AABB = new b2AABB();
aabb.lowerBound.Set((mouseXWorldPhys - 0.001), (mouseYWorldPhys - 0.001));
aabb.upperBound.Set((mouseXWorldPhys + 0.001), (mouseYWorldPhys + 0.001));
var k_maxCount = 10;
var shapes:Array = new Array();
var count:int = world.Query(aabb, shapes, k_maxCount);
var body:b2Body;
var i:int;
while (i < count) {
if ((((shapes[i].GetBody().IsStatic() == false)) || (includeStatic))){
tShape = (shapes[i] as b2Shape);
inside = tShape.TestPoint(tShape.GetBody().GetXForm(), vec);
if (inside){
body = tShape.GetBody();
break;
};
};
i++;
};
return (body);
}
public function getBody():b2Body{
var temp:b2Body;
var b:b2Body = world.GetBodyList();
while (b) {
if (b.m_userData){
if (b.m_userData.element){
if (b.m_userData.element.name == tempmc.name){
temp = b;
break;
};
};
};
b = b.GetNext();
};
return (temp);
}
public function createRevoluteJoint(body1:b2Body, body2:b2Body, anchor:b2Vec2, enableLimit:Boolean=false, lowerAngle:Number=0, upperAngle:Number=0, enableMotor:Boolean=false, motorSpeed:Number=0, maxMotorTorque:Number=0):b2Joint{
var revoluteJointDef:b2RevoluteJointDef = new b2RevoluteJointDef();
revoluteJointDef.Initialize(body1, body2, anchor);
revoluteJointDef.enableLimit = enableLimit;
revoluteJointDef.lowerAngle = lowerAngle;
revoluteJointDef.upperAngle = upperAngle;
revoluteJointDef.enableMotor = enableMotor;
revoluteJointDef.motorSpeed = motorSpeed;
revoluteJointDef.maxMotorTorque = maxMotorTorque;
return (world.CreateJoint(revoluteJointDef));
}
public function makeBodyByYuanInside(x, y, targetSprite, density=1, friction=1, restitution=1, bullet:Boolean=false, type:String="none", allowSleep:Boolean=true):b2Body{
var _b2BodyDef:b2BodyDef;
var _b2Body:b2Body;
var _b2CircleDef:b2CircleDef;
var tem:Number;
var _loc_10:* = undefined;
_b2BodyDef = new b2BodyDef();
_b2BodyDef.position.Set(x, y);
_b2BodyDef.userData = new Object();
_b2BodyDef.userData.element = targetSprite;
_b2BodyDef.userData.type = type;
_b2BodyDef.allowSleep = allowSleep;
_b2BodyDef.isBullet = bullet;
_b2Body = world.CreateBody(_b2BodyDef);
targetSprite.bd = _b2Body;
var i:int;
while (i < targetSprite.numChildren) {
_loc_10 = targetSprite.getChildAt(i);
if (_loc_10.constructor == yuan){
_b2CircleDef = new b2CircleDef();
tem = _loc_10.rotation;
_loc_10.rotation = 0;
_b2CircleDef.radius = (_loc_10.width / 60);
_loc_10.rotation = tem;
_b2CircleDef.friction = friction;
_b2CircleDef.density = density;
_b2CircleDef.restitution = restitution;
_b2Body.CreateShape(_b2CircleDef);
};
i++;
};
i = 0;
while (i < targetSprite.numChildren) {
_loc_10 = targetSprite.getChildAt(i);
if (_loc_10.constructor == yuan){
targetSprite.removeChildAt(i);
} else {
i++;
};
};
if (density != 0){
_b2Body.SetMassFromShapes();
};
return (_b2Body);
}
public function createGearJoint(b1:b2Body, b2:b2Body, j1:b2Joint, j2:b2Joint, rate:Number=1):b2Joint{
var gearJointDef:b2GearJointDef = new b2GearJointDef();
gearJointDef.body1 = b1;
gearJointDef.body2 = b2;
gearJointDef.joint1 = j1;
gearJointDef.joint2 = j2;
gearJointDef.ratio = rate;
return (world.CreateJoint(gearJointDef));
}
public function createPulleyJoint(b1:b2Body, b2:b2Body, groundAnchor1:b2Vec2, groundAnchor2:b2Vec2, anchor1:b2Vec2, anchor2:b2Vec2, rate:Number=1, maxLength1:Number=100, maxLength2:Number=100):b2Joint{
var pulleyJointDef:b2PulleyJointDef = new b2PulleyJointDef();
pulleyJointDef.Initialize(b1, b2, groundAnchor1, groundAnchor2, anchor1, anchor2, rate);
pulleyJointDef.maxLength1 = maxLength1;
pulleyJointDef.maxLength2 = maxLength2;
return (world.CreateJoint(pulleyJointDef));
}
public function mouseControlBody(sta:Stage, mcbd:MovieClip, sp:Sprite):void{
if (((!(sta)) || ((mcbd == null)))){
return;
};
_stage = sta;
mousesp = sp;
tempmc = mcbd;
tempmc.isMouse = true;
_useMouseJoint = true;
_stage.addEventListener(MouseEvent.MOUSE_DOWN, createMouse);
_stage.addEventListener(MouseEvent.MOUSE_UP, destroyMouse);
mX = _stage.mouseX;
mY = _stage.mouseY;
}
public function createBody(x:Number, y:Number, n:int, radius:Number, angle:Number, userdata, type:String="item", four:Boolean=true):b2Body{
if (four){
fourangle = 0;
} else {
fourangle = (Math.PI * 0.25);
};
var shapeDef:b2PolygonDef = new b2PolygonDef();
setConvexVertex(shapeDef, n, radius);
var bodydef:b2BodyDef = new b2BodyDef();
bodydef.angle = angle;
bodydef.position.Set((x / PHYSCALE), (y / PHYSCALE));
bodydef.userData = new Object();
bodydef.userData.type = type;
bodydef.userData.element = userdata;
bodydef.isBullet = false;
var body:b2Body = world.CreateBody(bodydef);
userdata.bd = body;
body.CreateShape(shapeDef);
body.SetMassFromShapes();
return (body);
}
public function prismatiocJoint(param1, param2, x, y, up:Number=-0.1, down:Number=-0.2):b2Joint{
var prismaticJointDef:b2PrismaticJointDef = undefined;
prismaticJointDef = new b2PrismaticJointDef();
prismaticJointDef.Initialize(param1.bd, param2.bd, param2.bd.GetWorldCenter(), new b2Vec2(x, y));
prismaticJointDef.lowerTranslation = down;
prismaticJointDef.upperTranslation = up;
prismaticJointDef.enableLimit = true;
prismaticJointDef.enableMotor = true;
return (world.CreateJoint(prismaticJointDef));
}
public function updata():void{
world.Step(STEP, ITERATION);
setuserdata();
setMouseJointTarget();
}
public function destroyMouse(evt:MouseEvent=null):void{
if (mouseJoint){
world.DestroyJoint(mouseJoint);
mouseJoint = null;
_stage.removeEventListener(MouseEvent.MOUSE_DOWN, createMouse);
_stage.removeEventListener(MouseEvent.MOUSE_UP, destroyMouse);
_useMouseJoint = false;
};
}
public function showDebug(container:DisplayObjectContainer):void{
var sp:Sprite = new Sprite();
container.addChild(sp);
var dbg:b2DebugDraw = new b2DebugDraw();
dbg.m_sprite = sp;
dbg.m_alpha = 0.5;
dbg.m_drawScale = PHYSCALE;
dbg.m_fillAlpha = 0.5;
dbg.m_drawFlags = b2DebugDraw.e_shapeBit;
dbg.m_lineThickness = 1;
world.SetDebugDraw(dbg);
}
private function setuserdata(){
var b:b2Body = _world.m_bodyList;
while (b) {
if (b.m_userData){
if ((b.m_userData is Object)){
if (b.m_userData.element){
if ((b.m_userData.element is DisplayObject)){
b.m_userData.element.x = (b.GetPosition().x * 30);
b.m_userData.element.y = (b.GetPosition().y * 30);
b.m_userData.element.rotation = (((b.GetAngle() * 180) / Math.PI) % 360);
};
};
};
};
b = b.m_next;
};
}
private function setMouseJointTarget():void{
var mouseXWorldPhys:Number;
var mouseYWorldPhys:Number;
var p2:b2Vec2;
if (mouseJoint){
mouseXWorldPhys = (_stage.mouseX / PHYSCALE);
mouseYWorldPhys = (_stage.mouseY / PHYSCALE);
p2 = new b2Vec2(mouseXWorldPhys, mouseYWorldPhys);
mouseJoint.SetTarget(p2);
};
}
public function clear():void{
var dBody:b2Body;
var dJoint:b2Joint;
var groundBody:b2Body = _world.GetGroundBody();
var tempBody:b2Body = _world.GetBodyList();
while (_world.GetBodyCount() > 1) {
if (tempBody != groundBody){
dBody = tempBody;
tempBody = tempBody.GetNext();
_world.DestroyBody(dBody);
} else {
tempBody = tempBody.GetNext();
};
};
var tempJoint:b2Joint = _world.GetJointList();
while (_world.GetJointCount() > 0) {
dJoint = tempJoint;
tempJoint = tempJoint.GetNext();
_world.DestroyJoint(dJoint);
};
_world = null;
}
public function createRound(x:Number, y:Number, radius:Number, angle:Number, userdata, type:String="item"):b2Body{
var body:b2Body;
var shapeDef:b2PolygonDef = new b2PolygonDef();
var bodydef:b2BodyDef = new b2BodyDef();
var circledef:b2CircleDef = new b2CircleDef();
bodydef.position.Set((x / PHYSCALE), (y / PHYSCALE));
bodydef.userData = new Object();
bodydef.userData.element = userdata;
bodydef.isBullet = false;
bodydef.angle = angle;
bodydef.userData.type = type;
circledef.radius = (radius / PHYSCALE);
circledef.density = _density;
circledef.restitution = _restitution;
circledef.friction = _friction;
body = world.CreateBody(bodydef);
userdata.bd = body;
body.CreateShape(circledef);
body.SetMassFromShapes();
return (body);
}
public function setConvexVertex(shapeDef:b2PolygonDef, n:int, radius:Number, friction:Number=100, restitution:Number=0.1, density:Number=20):void{
var dx:Number;
var dy:Number;
shapeDef.vertexCount = n;
var angle:Number = ((Math.PI * 2) / n);
radius = (radius / PHYSCALE);
var i:int;
while (i < n) {
dx = (radius * Math.cos(((angle * i) + fourangle)));
dy = (radius * Math.sin(((angle * i) + fourangle)));
shapeDef.vertices[i].Set(dx, dy);
i++;
};
shapeDef.friction = friction;
shapeDef.restitution = restitution;
shapeDef.density = density;
}
public function createWorld(gravity:b2Vec2, aabb:b2AABB, doSleep:Boolean=true):b2World{
_world = new b2World(aabb, gravity, doSleep);
return (_world);
}
public function createPrismaticJoint(b1:b2Body, b2:b2Body, axis:b2Vec2, enableLimit:Boolean=false, lowerTranslation:Number=0, upperTranslation:Number=0, enableMotor:Boolean=false, motorSpeed:Number=0, maxMotorTorque:Number=0):b2Joint{
var prismaticJointDef:b2PrismaticJointDef = new b2PrismaticJointDef();
prismaticJointDef.Initialize(b1, b2, b2.GetWorldCenter(), axis);
prismaticJointDef.enableLimit = enableLimit;
prismaticJointDef.lowerTranslation = lowerTranslation;
prismaticJointDef.upperTranslation = upperTranslation;
prismaticJointDef.enableMotor = enableMotor;
prismaticJointDef.motorSpeed = motorSpeed;
prismaticJointDef.maxMotorForce = maxMotorTorque;
return (world.CreateJoint(prismaticJointDef));
}
public function createDistanceJoint(body1:b2Body, body2:b2Body, anchor1:b2Vec2, anchor2:b2Vec2):b2Joint{
var distanceJointDef:b2DistanceJointDef = new b2DistanceJointDef();
distanceJointDef.Initialize(body1, body2, anchor1, anchor2);
return (world.CreateJoint(distanceJointDef));
}
public function addToWorld(objX:Number, objY:Number, objAngle:Number, friction:Number, objDensity:Number, restitution:Number, Obj, bullet:Boolean=false, type:String="none", allowsleep:Boolean=true):b2Body{
var _b2BodyDef:b2BodyDef;
var _b2Body:b2Body;
var _b2PolygonDef:b2PolygonDef;
var tem:Number;
var _loc_10:* = undefined;
_b2BodyDef = new b2BodyDef();
_b2BodyDef.position.Set(objX, objY);
_b2BodyDef.angle = objAngle;
_b2BodyDef.userData = new Object();
_b2BodyDef.userData.element = Obj;
_b2BodyDef.userData.type = type;
_b2BodyDef.isBullet = bullet;
_b2BodyDef.allowSleep = allowsleep;
_b2Body = world.CreateBody(_b2BodyDef);
Obj.bd = _b2Body;
var i:int;
while (i < Obj.numChildren) {
_loc_10 = Obj.getChildAt(i);
if (_loc_10.constructor == fang){
_b2PolygonDef = new b2PolygonDef();
tem = _loc_10.rotation;
_loc_10.rotation = 0;
_b2PolygonDef.SetAsOrientedBox((_loc_10.width / 60), (_loc_10.height / 60), new b2Vec2((_loc_10.x / 30), (_loc_10.y / 30)), (tem / 57.296));
_loc_10.rotation = tem;
_b2PolygonDef.friction = friction;
_b2PolygonDef.density = objDensity;
_b2PolygonDef.restitution = restitution;
_b2Body.CreateShape(_b2PolygonDef);
};
i++;
};
i = 0;
while (i < Obj.numChildren) {
_loc_10 = Obj.getChildAt(i);
if (_loc_10.constructor == fang){
Obj.removeChildAt(i);
} else {
i++;
};
};
if (objDensity != 0){
_b2Body.SetMassFromShapes();
};
return (_b2Body);
}
public static function getInstance():Box2dFactory{
if (_instance == null){
_instance = new (Box2dFactory);
};
return (_instance);
}
}
}//package UserdefinedClass
Section 91
//Clr (UserdefinedClass.Clr)
package UserdefinedClass {
import flash.display.*;
public class Clr {
public function Clr(){
super();
}
public static function removeAllChildren(container:DisplayObjectContainer):void{
var count:int = container.numChildren;
var i:int;
while (i < count) {
container.removeChildAt(0);
i++;
};
}
}
}//package UserdefinedClass
Section 92
//Input (UserdefinedClass.Input)
package UserdefinedClass {
import flash.events.*;
import flash.display.*;
public class Input {
public static var LEFT:uint = 39;
public static var P:uint = 80;
public static var R:uint = 82;
public static var X:uint = 88;
public static var Z:uint = 90;
public static var UP:uint = 38;
public static var key:Array = new Array();
public static var SHIFT:uint = 16;
public static var SPACE:uint = 32;
public static var sta:Stage;
public static var DOWN:uint = 40;
public static var RIGHT:uint = 37;
public function Input(){
super();
}
private static function onkeydown(e:KeyboardEvent):void{
key[e.keyCode] = true;
}
public static function removeinput(){
sta.removeEventListener(KeyboardEvent.KEY_UP, onkeyup);
sta.removeEventListener(KeyboardEvent.KEY_DOWN, onkeydown);
sta = null;
}
public static function addinput(_sta:Stage){
if (sta){
return;
};
sta = _sta;
sta.addEventListener(KeyboardEvent.KEY_UP, onkeyup);
sta.addEventListener(KeyboardEvent.KEY_DOWN, onkeydown);
}
public static function keydownrunfun(keynum:uint, fun:Function){
var f:Function = fun;
((key[keynum]) && (f()));
}
public static function keyuprunfun(keynum:uint, fun:Function){
var f:Function = fun;
if (key[keynum] == false){
f();
};
}
private static function onkeyup(e:KeyboardEvent):void{
key[e.keyCode] = false;
}
}
}//package UserdefinedClass
Section 93
//Mybutton (UserdefinedClass.Mybutton)
package UserdefinedClass {
import flash.display.*;
import flash.net.*;
public class Mybutton extends SimpleButton {
public var netobj:Object;
public function Mybutton(){
netobj = new Object();
super();
SoundControl.Mybtnground.push(this);
}
public function link(){
var req:URLRequest = (netobj["req"] as URLRequest);
navigateToURL(req);
}
public function setlink(url:String){
netobj["req"] = new URLRequest(url);
}
}
}//package UserdefinedClass
Section 94
//MyMath (UserdefinedClass.MyMath)
package UserdefinedClass {
import flash.geom.*;
public class MyMath {
public function MyMath(){
super();
}
public static function LtoG(contain, child):Point{
var _loc_3:* = undefined;
var _loc_4:* = undefined;
_loc_3 = child.localToGlobal(new Point(0, 0));
_loc_4 = contain.globalToLocal(_loc_3);
return (new Point(_loc_4.x, _loc_4.y));
}
public static function FrandRange(min:Number, max:Number):Number{
var randomNum:Number = (int((Math.random() * ((max - min) + 1))) + min);
return (randomNum);
}
public static function TimeFormat(num:int):Array{
if (num >= 6000){
num = 5999;
};
var minute:int = (num / 60);
var second:int = (num % 60);
var minutearr:Array = worknum(minute);
var secondarr:Array = worknum(second);
return (new Array(secondarr[0], secondarr[1], minutearr[0], minutearr[1]));
}
public static function ranRangeground(min:Number, max:Number, Num:int):Array{
var _random:int;
var temp:Array = new Array();
var len:int = ((max - min) + 1);
var rearr:Array = new Array();
var i:int;
while (i < len) {
temp.push((min + i));
i++;
};
while (Num) {
_random = randRange((len - 1));
rearr.push(temp[_random]);
temp.splice(_random, 1);
len--;
Num--;
};
return (rearr);
}
public static function randRange(max:Number):Number{
var randomNum:Number = int((Math.random() * (max + 1)));
return (randomNum);
}
public static function worknum(num:int):Array{
var ten:int = (num * 0.1);
var one:int = (num % 10);
return (new Array(one, ten));
}
public static function NumtoArray(num:int, flushleft:Boolean=true):Array{
var str:String = String(num);
var len:int = str.length;
var i:int;
var array:Array = new Array();
while (i < len) {
array.push(int(str.charAt(i)));
i++;
};
if (!flushleft){
array.reverse();
};
return (array);
}
}
}//package UserdefinedClass
Section 95
//MySave (UserdefinedClass.MySave)
package UserdefinedClass {
import flash.net.*;
public class MySave {
public static var shareobj:SharedObject;
public function MySave(){
super();
}
public static function init(savename:String){
shareobj = SharedObject.getLocal(savename);
}
public static function save(){
shareobj.flush();
}
public static function exist(varname:String):Boolean{
return (Boolean(((shareobj) && (shareobj.data[varname]))));
}
public static function getdata(varname:String){
return (shareobj.data[varname]);
}
public static function setdata(varname:String, vardata){
shareobj.data[varname] = vardata;
}
public static function clear(){
if (shareobj){
shareobj.clear();
};
}
public static function cleardata(varname:String){
shareobj.data[varname] = null;
delete shareobj.data[varname];
}
}
}//package UserdefinedClass
Section 96
//MyTime (UserdefinedClass.MyTime)
package UserdefinedClass {
import flash.events.*;
import flash.utils.*;
public class MyTime {
private var endFun:Function;
public var time:Timer;
public var count:int;
private var Fun:Function;
public function MyTime(C:int, fun:Function=null, efun:Function=null){
super();
Fun = fun;
endFun = efun;
count = C;
}
public function pausetime(){
time.stop();
}
public function restart(){
time.start();
}
public function removetime(){
time.stop();
time.removeEventListener(TimerEvent.TIMER, oncountdown);
Fun = null;
endFun = null;
}
public function oncountdown(e:TimerEvent):void{
count--;
if (Fun != null){
Fun();
};
if (count <= 0){
count = 0;
if (endFun != null){
endFun();
};
time.stop();
time.removeEventListener(TimerEvent.TIMER, oncountdown);
};
}
public function starttime(){
time = new Timer(1000);
time.addEventListener(TimerEvent.TIMER, oncountdown);
time.start();
}
}
}//package UserdefinedClass
Section 97
//SoundControl (UserdefinedClass.SoundControl)
package UserdefinedClass {
import flash.media.*;
public class SoundControl {
public static var Mysdground:Array = new Array();
public static var Mybtnground:Array = new Array();
public static var buttonsound:Number = 1;
public function SoundControl(){
super();
}
public static function destorySdground(){
Mysdground = new Array();
}
public static function stopallsound(){
SoundMixer.stopAll();
}
public static function setsd(volume:Number){
var i:*;
if (!Mysdground.length){
return;
};
var sdtransform:SoundTransform = new SoundTransform(volume);
for (i in Mysdground) {
(Mysdground[i] as BaseSound).sdChannel.soundTransform = sdtransform;
};
}
public static function destory(){
Mybtnground = new Array();
Mysdground = new Array();
}
public static function setbtnsound(volume:Number){
var i:*;
if (!Mybtnground.length){
return;
};
var sdtransform:SoundTransform = new SoundTransform(volume);
for (i in Mybtnground) {
(Mybtnground[i] as Mybutton).soundTransform = sdtransform;
};
}
public static function setallsd(volume:Number){
var sdtransform:SoundTransform = new SoundTransform();
sdtransform.volume = volume;
SoundMixer.soundTransform = sdtransform;
}
}
}//package UserdefinedClass
Section 98
//_Preloader (_Preloader)
package {
import flash.display.*;
public dynamic class _Preloader extends MovieClip {
public var link_btn:SimpleButton;
public var logo_mc:fgjpre_as3_bomb_preloader;
public function _Preloader(){
addFrameScript(0, frame1);
}
function frame1(){
stop();
}
}
}//package
Section 99
//backbroad_b (backbroad_b)
package {
import flash.display.*;
public dynamic class backbroad_b extends MovieClip {
public var s:MovieClip;
}
}//package
Section 100
//BackGround (BackGround)
package {
import flash.display.*;
public dynamic class BackGround extends MovieClip {
public var Mask:MovieClip;
}
}//package
Section 101
//Ball (Ball)
package {
import flash.display.*;
public dynamic class Ball extends MovieClip {
}
}//package
Section 102
//Ballhitbroad_sd (Ballhitbroad_sd)
package {
import flash.media.*;
public dynamic class Ballhitbroad_sd extends Sound {
}
}//package
Section 103
//basketnet_hardin (basketnet_hardin)
package {
import flash.display.*;
public dynamic class basketnet_hardin extends MovieClip {
public function basketnet_hardin(){
addFrameScript(10, frame11);
}
function frame11(){
stop();
}
}
}//package
Section 104
//basketnet_lightin (basketnet_lightin)
package {
import flash.display.*;
public dynamic class basketnet_lightin extends MovieClip {
public function basketnet_lightin(){
addFrameScript(10, frame11);
}
function frame11(){
stop();
}
}
}//package
Section 105
//basketnet_wave (basketnet_wave)
package {
import flash.display.*;
public dynamic class basketnet_wave extends MovieClip {
public var sheng:MovieClip;
public function basketnet_wave(){
addFrameScript(10, frame11);
}
function frame11(){
stop();
}
}
}//package
Section 106
//basketstand_move (basketstand_move)
package {
import flash.display.*;
public dynamic class basketstand_move extends MovieClip {
public function basketstand_move(){
addFrameScript(10, frame11);
}
function frame11(){
stop();
}
}
}//package
Section 107
//basketstand_sleep (basketstand_sleep)
package {
import flash.display.*;
public dynamic class basketstand_sleep extends MovieClip {
public function basketstand_sleep(){
addFrameScript(10, frame11);
}
function frame11(){
stop();
}
}
}//package
Section 108
//Bbasketnet_hardin (Bbasketnet_hardin)
package {
import flash.display.*;
public dynamic class Bbasketnet_hardin extends MovieClip {
public function Bbasketnet_hardin(){
addFrameScript(10, frame11);
}
function frame11(){
stop();
}
}
}//package
Section 109
//Bbasketnet_lightin (Bbasketnet_lightin)
package {
import flash.display.*;
public dynamic class Bbasketnet_lightin extends MovieClip {
public function Bbasketnet_lightin(){
addFrameScript(10, frame11);
}
function frame11(){
stop();
}
}
}//package
Section 110
//Bbasketnet_wave (Bbasketnet_wave)
package {
import flash.display.*;
public dynamic class Bbasketnet_wave extends MovieClip {
public var sheng:MovieClip;
public function Bbasketnet_wave(){
addFrameScript(10, frame11);
}
function frame11(){
stop();
}
}
}//package
Section 111
//Bbasketstand_move (Bbasketstand_move)
package {
import flash.display.*;
public dynamic class Bbasketstand_move extends MovieClip {
public function Bbasketstand_move(){
addFrameScript(10, frame11);
}
function frame11(){
stop();
}
}
}//package
Section 112
//Bbasketstand_sleep (Bbasketstand_sleep)
package {
import flash.display.*;
public dynamic class Bbasketstand_sleep extends MovieClip {
public function Bbasketstand_sleep(){
addFrameScript(10, frame11);
}
function frame11(){
stop();
}
}
}//package
Section 113
//BBighit (BBighit)
package {
import flash.display.*;
public dynamic class BBighit extends MovieClip {
}
}//package
Section 114
//BGM (BGM)
package {
import flash.media.*;
public dynamic class BGM extends Sound {
}
}//package
Section 115
//Bighit (Bighit)
package {
import flash.display.*;
public dynamic class Bighit extends MovieClip {
}
}//package
Section 116
//Cover (Cover)
package {
import flash.display.*;
public dynamic class Cover extends MovieClip {
public var play_btn:SimpleButton;
public var continue_btn:SimpleButton;
public var moregame_btn:SimpleButton;
public var freegames:SimpleButton;
public var addwebsite:SimpleButton;
}
}//package
Section 117
//Coverbgm (Coverbgm)
package {
import flash.media.*;
public dynamic class Coverbgm extends Sound {
}
}//package
Section 118
//Cuemc (Cuemc)
package {
import flash.display.*;
public dynamic class Cuemc extends MovieClip {
public var s:MovieClip;
}
}//package
Section 119
//fang (fang)
package {
import flash.display.*;
public dynamic class fang extends MovieClip {
}
}//package
Section 120
//fgjpre_as3_bomb_preloader (fgjpre_as3_bomb_preloader)
package {
import flash.display.*;
public dynamic class fgjpre_as3_bomb_preloader extends MovieClip {
public var loaderbar:MovieClip;
public function fgjpre_as3_bomb_preloader(){
addFrameScript(0, frame1);
}
function frame1(){
stop();
}
}
}//package
Section 121
//Gameui (Gameui)
package {
import flash.display.*;
public dynamic class Gameui extends MovieClip {
public var sound_btn:MovieClip;
public var moregame_btn:SimpleButton;
public var time:MovieClip;
public var main_btn:SimpleButton;
public var s:MovieClip;
}
}//package
Section 122
//Grade (Grade)
package {
import flash.display.*;
public dynamic class Grade extends MovieClip {
public var s:MovieClip;
public var back_btn:SimpleButton;
public var g:MovieClip;
}
}//package
Section 123
//Hitroad_sd (Hitroad_sd)
package {
import flash.media.*;
public dynamic class Hitroad_sd extends Sound {
}
}//package
Section 124
//Howtoplay (Howtoplay)
package {
import flash.display.*;
public dynamic class Howtoplay extends MovieClip {
public var next_btn:SimpleButton;
}
}//package
Section 125
//In_sd (In_sd)
package {
import flash.media.*;
public dynamic class In_sd extends Sound {
}
}//package
Section 126
//Main (Main)
package {
import flash.events.*;
import UserdefinedClass.*;
import flash.display.*;
import Element.*;
import flash.net.*;
import flash.ui.*;
public class Main extends MovieClip {
public var soundbool:Boolean;// = true
public var gameui:MovieClip;
public var userScore:int;// = 0
public var GameClass:BaseStage;
public var Game:Sprite;
public var Loading:Sprite;
public var Ui:Sprite;
public var cover:MovieClip;
public var Debug:Sprite;
public var userGrade:int;// = 0
public var grade:MovieClip;
public var gamestate:String;
public var winmc:MovieClip;
public var howtoplay:MovieClip;
public static var bgm:BaseSound = new BaseSound("BGM");
public static var in_sd:BaseSound = new BaseSound("In_sd");
public static var spin_sd:BaseSound = new BaseSound("Spin_sd");
public static var coverbgm:BaseSound = new BaseSound("Coverbgm");
public static var pickup_sd:BaseSound = new BaseSound("Pickup_sd");
public static var ballhit_sd:BaseSound = new BaseSound("Ballhitbroad_sd");
public static var hitroad_sd:BaseSound = new BaseSound("Hitroad_sd");
public function Main(){
super();
if (stage){
init();
} else {
addEventListener(Event.ADDED_TO_STAGE, init);
};
}
private function initgame():void{
gamestate = "init";
addEventListener(MouseEvent.MOUSE_UP, onclickbtn);
Input.addinput(stage);
showcover();
}
private function init(e:Event=null):void{
removeEventListener(Event.ADDED_TO_STAGE, init);
var menu:ContextMenu = new ContextMenu();
menu.hideBuiltInItems();
contextMenu = menu;
stage.frameRate = 30;
stage.quality = StageQuality.MEDIUM;
initdata();
initcontainer();
initUImc();
initgame();
}
private function workhowtoplay(){
if (hitbtn(howtoplay.next_btn)){
toplay();
return;
};
if (hitbtn(howtoplay.grade_btn)){
showgrade();
return;
};
}
private function initgameui():void{
gameui.time.gotoAndStop(100);
BaseUI.setmoney(gameui.s.s, 0, "s", 10);
setSound();
}
private function loaddata():void{
if (MySave.exist("reset")){
userGrade = MySave.getdata("userGrade");
userScore = MySave.getdata("userScore");
} else {
MySave.setdata("reset", true);
userGrade = 0;
userScore = 0;
MySave.setdata("userGrade", userGrade);
MySave.setdata("userScore", userScore);
MySave.save();
};
}
private function linkweb(num:int=0){
var tempArr:Array = new Array("http://www.freegamesjungle.com", "http://www.flashgamesforwebsites.com");
var urlstr:String = tempArr[num];
navigateToURL(new URLRequest(urlstr));
}
private function showhowtoplay(){
gamestate = "howtoplay";
Clr.removeAllChildren(Ui);
Ui.addChild(howtoplay);
}
private function initcover(){
if (MySave.exist("reset")){
cover.continue_btn.x = 104.5;
} else {
cover.continue_btn.x = -200;
};
loaddata();
}
private function workwin():void{
if (hitbtn(winmc.next_btn)){
GameClass.destroy();
toplay();
return;
};
if (hitbtn(winmc.moregame_btn)){
linkweb();
return;
};
}
private function removedata(){
MySave.clear();
loaddata();
}
private function toplay(){
Clr.removeAllChildren(Ui);
gamestate = "playing";
GameClass = new BaseStage(this);
Game.addChild(GameClass);
showgameui();
}
private function onclickbtn(e:MouseEvent):void{
if (gamestate == "cover"){
workcover();
return;
};
if (gamestate == "howtoplay"){
workhowtoplay();
return;
};
if (gamestate == "win"){
workwin();
return;
};
if (gamestate == "playing"){
workplaying();
return;
};
}
private function initdata():void{
gamestate = new String();
MySave.init("BasketballTribe");
}
private function setgrade(s:int){
var tempnum:Array = new Array(1000, 2000, 5000, 10000, 20000);
var tempresult:int;
if (s <= 0){
tempresult = 7;
} else {
if ((((s > 0)) && ((s < tempnum[0])))){
tempresult = 1;
} else {
if ((((s >= tempnum[0])) && ((s < tempnum[1])))){
tempresult = 2;
} else {
if ((((s >= tempnum[1])) && ((s < tempnum[2])))){
tempresult = 3;
} else {
if ((((s >= tempnum[2])) && ((s < tempnum[3])))){
tempresult = 4;
} else {
if ((((s >= tempnum[3])) && ((s < tempnum[4])))){
tempresult = 5;
} else {
tempresult = 6;
};
};
};
};
};
};
winmc.g.gotoAndStop(tempresult);
}
public function showwin(s:int){
gamestate = "win";
Ui.addChild(winmc);
BaseUI.setMaxscore(winmc.ys, s, "s", 10);
BaseUI.setcenter(winmc.ys, 150, s, 10);
BaseUI.setMaxscore(winmc.bs, userScore, "s", 10);
BaseUI.setcenter(winmc.bs, 150, userScore, 10);
if (userScore < s){
userScore = s;
MySave.setdata("userScore", userScore);
MySave.save();
};
setgrade(userScore);
winmc.ball.gotoAndPlay(1);
}
private function initUImc():void{
cover = new Cover();
howtoplay = new Howtoplay();
winmc = new Win();
gameui = new Gameui();
grade = new Grade();
}
private function showgameui(){
Ui.addChild(gameui);
initgameui();
}
private function workcover(){
if (hitbtn(cover.play_btn)){
removedata();
showhowtoplay();
return;
};
if (hitbtn(cover.continue_btn)){
showhowtoplay();
return;
};
if (hitbtn(cover.moregame_btn)){
linkweb();
return;
};
if (hitbtn(cover.freegames)){
linkweb();
return;
};
if (hitbtn(cover.addwebsite)){
linkweb(1);
return;
};
}
private function initgrade(){
BaseUI.setmoney(grade.s, userScore, "s", 10);
setgrade(userScore);
}
public function setSound(){
gameui.sound_btn.gotoAndStop((soundbool) ? 1 : 2);
}
public function setTime(num:int){
gameui.time.gotoAndStop(num);
}
public function setScore(num:int){
BaseUI.setmoney(gameui.s.s, num, "s", 10);
}
private function showcover(){
SoundControl.stopallsound();
Main.coverbgm.playsound(1000000);
gamestate = "cover";
Clr.removeAllChildren(Ui);
Ui.addChild(cover);
initcover();
}
private function hitbtn(btn:DisplayObject):Boolean{
if (((btn) && (btn.visible))){
return (btn.hitTestPoint(mouseX, mouseY, true));
};
return (false);
}
private function initcontainer():void{
Game = new Sprite();
Ui = new Sprite();
addChild(Game);
addChild(Ui);
}
private function showgrade(){
gamestate = "grade";
Clr.removeAllChildren(Ui);
Ui.addChild(grade);
initgrade();
}
private function workplaying():void{
if (hitbtn(gameui.sound_btn)){
gameui.sound_btn.gotoAndStop(((gameui.sound_btn.currentFrame % 2) + 1));
if (soundbool){
soundbool = false;
} else {
soundbool = true;
};
if (soundbool){
SoundControl.setallsd(1);
} else {
SoundControl.setallsd(0);
};
return;
};
if (hitbtn(gameui.main_btn)){
GameClass.destroy();
showcover();
return;
};
if (hitbtn(gameui.moregame_btn)){
linkweb();
return;
};
}
}
}//package
Section 127
//MousePoint (MousePoint)
package {
import flash.display.*;
public dynamic class MousePoint extends MovieClip {
public function MousePoint(){
addFrameScript(0, frame1);
}
function frame1(){
stop();
}
}
}//package
Section 128
//Pickup_sd (Pickup_sd)
package {
import flash.media.*;
public dynamic class Pickup_sd extends Sound {
}
}//package
Section 129
//Smallhit (Smallhit)
package {
import flash.display.*;
public dynamic class Smallhit extends MovieClip {
}
}//package
Section 130
//Spin_sd (Spin_sd)
package {
import flash.media.*;
public dynamic class Spin_sd extends Sound {
}
}//package
Section 131
//Win (Win)
package {
import flash.display.*;
public dynamic class Win extends MovieClip {
public var moregame_btn:SimpleButton;
public var g:MovieClip;
public var next_btn:SimpleButton;
public var bs:MovieClip;
public var ys:MovieClip;
public var ball:MovieClip;
}
}//package
Section 132
//yuan (yuan)
package {
import flash.display.*;
public dynamic class yuan extends MovieClip {
}
}//package
