Instance of Symbol 28 MovieClip "screen" in Frame 1
onClipEvent (enterFrame) {
	_root.main();
}
Instance of Symbol 38 MovieClip "numOfRaysSlider" in Frame 1
onClipEvent (load) {
	initValue = 50;
	minValue = 25;
	maxValue = 100;
	float = "false";
}
Instance of Symbol 38 MovieClip "fovSlider" in Frame 1
onClipEvent (load) {
	initValue = 75;
	minValue = 30;
	maxValue = 120;
	float = "false";
}
Instance of Symbol 45 MovieClip "interlaceCheckBox" in Frame 1
onClipEvent (load) {
	initValue = "false";
}
Frame 2
	function preCalc() {
		fov_div_rays = fovAngle / numOfRays;
		h_fov = fovAngle / 2;
		lineWidth = imageWidth / numOfRays;
		var i = 0;
		while (i < numOfRays) {
			dist[i] = imageHeight / Math.cos((Math.PI * ((i * fov_div_rays) - h_fov)) / 180);
			var ang = ((viewAngle - h_fov) + (i * fov_div_rays));
			if (ang >= 360) {
				ang = ang - 360;
			} else if (ang < 0) {
				ang = ang + 360;
			}
			if ((270 < ang) || (ang < 90)) {
				right[i] = true;
			} else {
				right[i] = false;
			}
			if ((0 < ang) && (ang < 180)) {
				down[i] = true;
			} else {
				down[i] = false;
			}
			tAng1[i] = Math.tan(Math.PI * (ang / 180));
			tAng2[i] = Math.tan(Math.PI * ((90 - ang) / 180));
			tAng3[i] = Math.tan(Math.PI * ((270 - ang) / 180));
			screen.attachMovie("wall", "w" + i, i + 1);
			screen["w" + i]._x = Math.round(i * lineWidth);
			screen["w" + i]._xscale = 100 * (Math.ceil(lineWidth) / 1);
			i++;
		}
		var del = numOfRays;
		while (screen["w" + del] != undefined) {
			screen["w" + del].removeMovieClip();
			del++;
		}
		if (interlace) {
			step = 2;
		} else {
			step = 1;
		}
		strt = 0;
		frames = 0;
		fpsTime = 0;
	}
	function rayCasting() {
		if (interlace) {
			strt = 1 - strt;
		}
		var i = strt;
		while (i < numOfRays) {
			if (right[i]) {
				var xIsect1 = (xViewMap + 1);
				var tanAngle = tAng1[i];
				var yIsect1 = (yView + (tanAngle * (xIsect1 - xView)));
				while (((m[xIsect1][Math.floor(yIsect1)] == null) && (xIsect1 < mapWidth)) && (yIsect1 < mapHeight)) {
					xIsect1++;
					yIsect1 = yIsect1 + tanAngle;
				}
			} else {
				var xIsect1 = (xViewMap - 0.01);
				var tanAngle = tAng1[i];
				var yIsect1 = (yView + (tanAngle * (xIsect1 - xView)));
				while (((m[Math.floor(xIsect1)][Math.floor(yIsect1)] == null) && (0 < xIsect1)) && (0 < yIsect1)) {
					xIsect1--;
					yIsect1 = yIsect1 - tanAngle;
				}
			}
			if (down[i]) {
				var yIsect2 = (yViewMap + 1);
				var tanAngle = tAng2[i];
				var xIsect2 = (xView + (tanAngle * (yIsect2 - yView)));
				while (((m[Math.floor(xIsect2)][yIsect2] == null) && (xIsect2 < mapWidth)) && (yIsect2 < mapHeight)) {
					yIsect2++;
					xIsect2 = xIsect2 + tanAngle;
				}
			} else {
				var yIsect2 = (yViewMap - 0.01);
				var tanAngle = tAng3[i];
				var xIsect2 = (xView + (tanAngle * (yIsect2 - yView)));
				while (((m[Math.floor(xIsect2)][Math.floor(yIsect2)] == null) && (0 < xIsect2)) && (0 < yIsect2)) {
					yIsect2--;
					xIsect2 = xIsect2 - tanAngle;
				}
			}
			var v1 = (xView - xIsect1);
			var v2 = (yView - yIsect1);
			var dis1 = Math.sqrt((v1 * v1) + (v2 * v2));
			var v1 = (xView - xIsect2);
			var v2 = (yView - yIsect2);
			var dis2 = Math.sqrt((v1 * v1) + (v2 * v2));
			if (dis1 < dis2) {
				var r = screen["w" + i];
				r._height = dist[i] / dis1;
				r.gotoAndStop(1 + Math.round((yIsect1 - Math.floor(yIsect1)) * 100));
				r.s.gotoAndStop(1 + Math.round(dis1 * 10), 79);
				r.s.t.gotoAndStop(m[Math.floor(xIsect1)][Math.floor(yIsect1)]);
			} else {
				var r = screen["w" + i];
				r._height = dist[i] / dis2;
				r.gotoAndStop(1 + Math.round((xIsect2 - Math.floor(xIsect2)) * 100));
				r.s.gotoAndStop(1 + Math.round(dis2 * 10), 79);
				r.s.t.gotoAndStop(m[Math.floor(xIsect2)][Math.floor(yIsect2)]);
			}
			i = i + step;
		}
	}
	function main() {
		if (Key.isDown(38)) {
			move = 0.12;
			strafe = 0;
		} else if (Key.isDown(40)) {
			move = -0.12;
			strafe = 0;
		} else {
			move = 0;
		}
		if (Key.isDown(37)) {
			if (Key.isDown(16)) {
				move = 0.12;
				strafe = -90;
			} else {
				rotate = -6;
			}
		} else if (Key.isDown(39)) {
			if (Key.isDown(16)) {
				move = 0.12;
				strafe = 90;
			} else {
				rotate = 6;
			}
		} else {
			rotate = 0;
		}
		if (move) {
			newXPos = xView + (Math.cos(Math.PI * ((viewAngle + strafe) / 180)) * move);
			newYPos = yView + (Math.sin(Math.PI * ((viewAngle + strafe) / 180)) * move);
			if (m[Math.floor(newXPos)][Math.floor(newYPos)] == null) {
				xView = newXPos;
				yView = newYPos;
				xViewMap = Math.floor(xView);
				yViewMap = Math.floor(yView);
			} else if (m[Math.floor(newXPos)][Math.floor(yView)] == null) {
				xView = newXPos;
				xViewMap = Math.floor(xView);
			} else if (m[Math.floor(xView)][Math.floor(newYPos)] == null) {
				yView = newYPos;
				yViewMap = Math.floor(yView);
			}
		}
		if (rotate) {
			viewAngle = viewAngle + rotate;
			if (viewAngle < 0) {
				viewAngle = viewAngle + 360;
			} else if (viewAngle >= 360) {
				viewAngle = viewAngle - 360;
			}
			var i = 0;
			while (i < numOfRays) {
				ang = (viewAngle - h_fov) + (i * fov_div_rays);
				if (ang >= 360) {
					ang = ang - 360;
				} else if (ang < 0) {
					ang = ang + 360;
				}
				if ((270 < ang) || (ang < 90)) {
					right[i] = true;
				} else {
					right[i] = false;
				}
				if ((0 < ang) && (ang < 180)) {
					down[i] = true;
				} else {
					down[i] = false;
				}
				tAng1[i] = Math.tan(Math.PI * (ang / 180));
				tAng2[i] = Math.tan(Math.PI * ((90 - ang) / 180));
				tAng3[i] = Math.tan(Math.PI * ((270 - ang) / 180));
				i++;
			}
		}
		rayCasting();
		if (fpsTime < getTimer()) {
			if (frames == 0) {
				fps = "fps: -";
			} else {
				fps = "fps: " + (frames / 5);
				frames = 1;
			}
			fpsTime = getTimer() + 5000;
		} else {
			frames++;
		}
	}
	function checkBoxChanged(instance) {
		if (instance == interlaceCheckBox) {
			interlace = interlaceCheckBox.getValue();
			preCalc();
		}
	}
	function sliderChanged(instance) {
		if (instance == fovSlider) {
			fovAngle = fovSlider.getValue();
			preCalc();
		} else if (instance == numOfRaysSlider) {
			numOfRays = numOfRaysSlider.getValue();
			preCalc();
		}
	}
	_quality  = "LOW";
	_focusrect  = false;
	dist = new Array();
	down = new Array();
	fovAngle = 75;
	fpsTime = 0;
	frames = 0;
	imageHeight = 240;
	imageWidth = 320;
	interlace = false;
	m = new Array();
	mapWidth = 14;
	mapHeight = 16;
	move = 0;
	numOfRays = 64;
	right = new Array();
	rotate = 0;
	step = 1;
	strt = 0;
	tAng1 = new Array();
	tAng2 = new Array();
	tAng3 = new Array();
	xView = 2;
	yView = 2.8;
	xViewMap = Math.floor(xView);
	yViewMap = Math.floor(yView);
	viewAngle = 30;
	var x = 0;
	while (x < mapWidth) {
		m[x] = new Array();
		x++;
	}
	m[0][0] = 7;
	m[0][1] = 7;
	m[0][2] = 7;
	m[0][3] = 7;
	m[0][4] = 7;
	m[0][5] = 7;
	m[0][6] = 7;
	m[0][7] = 7;
	m[0][8] = 7;
	m[0][9] = 7;
	m[0][10] = 7;
	m[1][10] = 7;
	m[2][10] = 7;
	m[3][10] = 7;
	m[4][10] = 7;
	m[5][10] = 7;
	m[6][10] = 7;
	m[7][10] = 7;
	m[8][10] = 7;
	m[9][10] = 7;
	m[10][10] = 7;
	m[10][9] = 7;
	m[10][8] = 7;
	m[10][7] = 7;
	m[10][6] = 7;
	m[10][5] = 7;
	m[10][4] = 7;
	m[10][3] = 7;
	m[10][2] = 7;
	m[10][1] = 7;
	m[10][0] = 7;
	m[9][0] = 7;
	m[8][0] = 7;
	m[7][0] = 7;
	m[6][0] = 7;
	m[5][0] = 7;
	m[4][0] = 7;
	m[3][0] = 7;
	m[2][0] = 7;
	m[1][0] = 7;
	m[5][9] = 6;
	m[6][9] = 1;
	m[4][9] = 1;
	m[7][7] = 1;
	m[3][7] = 1;
	m[7][5] = 1;
	m[3][5] = 1;
	m[7][3] = 1;
	m[3][3] = 1;
	numOfRaysSlider.setValue(numOfRays);
	fovSlider.setValue(fovAngle);
	interlaceCheckBox.setValue(interlace);
	preCalc();
	_root.attachMovie("startScreen", "startScreen", 1);
	startScreen._x = 160;
	startScreen._y = 20;
Frame 3
	stop();
Instance of Symbol 28 MovieClip in Symbol 29 MovieClip [startScreen] Frame 1
onClipEvent (mouseDown) {
	_parent.removeMovieClip();
}
onClipEvent (keyDown) {
	_parent.removeMovieClip();
}
Symbol 38 MovieClip Frame 1
	function newValue() {
		setValue(minValue + ((_xmouse / border._width) * (maxValue - minValue)));
		_root.sliderChanged(this);
	}
	function getValue() {
		return(value);
	}
	function setValue(newVal) {
		if (!float) {
			newVal = Math.round(newVal);
		}
		newVal = Math.min(newVal, maxValue);
		newVal = Math.max(newVal, minValue);
		value = newVal;
		marker._x = ((value - minValue) / (maxValue - minValue)) * border._width;
	}
	if (value == undefined) {
		setValue(initValue);
	}
Instance of Symbol 35 MovieClip "border" in Symbol 38 MovieClip Frame 1
onClipEvent (mouseDown) {
	if (this.hitTest(_parent._parent._xmouse, _parent._parent._ymouse, false) || (_parent.marker.hitTest(_parent._parent._xmouse, _parent._parent._ymouse, false))) {
		_parent.newValue();
		mouseIsDown = true;
	}
}
onClipEvent (mouseUp) {
	mouseIsDown = false;
}
onClipEvent (mouseMove) {
	if (mouseIsDown) {
		_parent.newValue();
	}
}
Symbol 45 MovieClip Frame 1
	function newValue() {
		setValue(!value);
		_root.checkBoxChanged(this);
	}
	function getValue() {
		return(value);
	}
	function setValue(newVal) {
		value = newVal;
		checked._visible = value;
	}
	if (value == undefined) {
		setValue(initValue);
	}
Instance of Symbol 42 MovieClip "border" in Symbol 45 MovieClip Frame 1
onClipEvent (mouseDown) {
	if (this.hitTest(_parent._parent._xmouse, _parent._parent._ymouse, false)) {
		_parent.newValue();
	}
}