Frame 1
	PopcornMain.getInstance().init(mc_canvas);
Symbol 29 MovieClip [ball] Frame 1
	#initclip 6
	Object.registerClass("ball", Ball);
	#endinitclip
Symbol 32 MovieClip Frame 1
	function onSelectURLItem(obj, menuItem) {
		getURL (menuItem.url, "_blank");
	}
	var items = [];
	items[0] = {label:"popcorn painting .com"};
	items[1] = {label:"by Rafa\u00EBl Rozendaal, 2008", url:"http://www.newrafael.com"};
	items[2] = {label:"programming by Reinier Feijen", url:"http://www.boxofchocolates.nl"};
	var defaultItems = {zoom:true, quality:true, loop:false, play:false, print:true, rewind:false, forwardAndBack:false, save:true};
	var enableTextItems = false;
	var myContextMenu = new ContextMenu();
	var i = 0;
	while (i < items.length) {
		var item = new ContextMenuItem(items[i].label, function () {
		});
		if (items[i].separatorBefore != null) {
			item.separatorBefore = items[i].separatorBefore;
		}
		if (items[i].url != null) {
			item.url = items[i].url;
			item.onSelect = onSelectURLItem;
		} else {
			item.enabled = enableTextItems;
		}
		myContextMenu.customItems.push(item);
		i++;
	}
	for (var s in defaultItems) {
		myContextMenu.builtInItems[s] = defaultItems[s];
	}
	this._parent.menu = myContextMenu;
Symbol 33 MovieClip [__Packages.PopcornMain] Frame 0
	class PopcornMain
	{
		var radius, stage_xmax, basemc, sl, balls, grid, pops, hits, coll_history, supporting, supported, frame_count, next_pop, update_interval, next_update, interval, sound_bg, floor, bounds, sounds, reserves, next_x;
		function PopcornMain () {
			radius = PopcornConfig.radius;
			stage_xmax = PopcornConfig.stage_max_width;
		}
		static function getInstance() {
			if (instance == null) {
				instance = new PopcornMain();
			}
			return(instance);
		}
		function init(mc) {
			basemc = _root;
			Stage.align = "LB";
			Stage.scaleMode = "noScale";
			sl = new StageListener(800, 600);
			Stage.addListener(this);
			onResize(true);
			balls = [];
			grid = [];
			pops = [];
			hits = [];
			coll_history = [];
			supporting = [];
			supported = [];
			frame_count = 0;
			next_pop = 0;
			createInitialPopcorn();
			readSounds();
			update_interval = PopcornConfig.update_interval;
			next_update = 0;
			var cont = this;
			basemc.onMouseDown = function () {
				cont.pause(!cont.bool_paused);
			};
			Key.addListener(this);
			pause(PopcornConfig.start_paused);
		}
		function onKeyDown() {
			if (Key.isDown(32)) {
				if (String.fromCharCode(Key.getAscii()) == "d") {
					bool_debug = !bool_debug;
				} else if (String.fromCharCode(Key.getAscii()) == "p") {
					pause(!bool_paused);
				} else if (String.fromCharCode(Key.getAscii()) == "s") {
					bool_sounds = !bool_sounds;
				}
			}
		}
		function pause(b) {
			bool_paused = !(b === false);
			clearInterval(interval);
			if (!bool_paused) {
				interval = setInterval(this, "step", 1);
				startBgSound();
			} else {
				stopBgSound();
			}
		}
		function startBgSound() {
			if (sound_bg == null) {
				sound_bg = new Sound(_root);
				sound_bg.attachSound("bgsound");
				sound_bg.onSoundComplete = function () {
					this.start();
				};
			}
			sound_bg.start();
		}
		function stopBgSound() {
			sound_bg.stop();
		}
		function step() {
			if (getTimer() >= next_update) {
				next_update = getTimer() + update_interval;
				update();
			}
		}
		function update() {
			checkCollisions();
			var _local2 = hits.length - 1;
			while (_local2 >= 0) {
				var _local3 = balls[hits[_local2]];
				_local3.update();
				if (((_local3._y + _local3.radius) >= (floor - 10)) && (_local3.angle < Math.PI)) {
					_local3._y = floor - radius;
					_local3.__set__fase(Ball.FASE_STILL);
					registerBallToGrid(hits[_local2]);
					hits.splice(_local2, 1);
				} else if (((_local3._x - radius) >= bounds.xMax) || ((_local3._x + radius) <= bounds.xMin)) {
					_local3.destroy();
					delete balls[hits[_local2]];
					hits.splice(_local2, 1);
					refill_count = refill_count + refill_amount;
				}
				_local2--;
			}
			_local2 = pops.length - 1;
			while (_local2 >= 0) {
				var _local3 = balls[pops[_local2]];
				_local3.update();
				if ((_local3._y + radius) < bounds.yMin) {
					_local3.destroy();
					delete balls[pops[_local2]];
					pops.splice(_local2, 1);
				}
				_local2--;
			}
			if (frame_count >= next_pop) {
				next_pop = (frame_count + PopcornConfig.pause_between_pops_min) + (Math.random() * (PopcornConfig.pause_between_pops_max - PopcornConfig.pause_between_pops_min));
				pop();
			}
			frame_count++;
		}
		function onResize(dont_update) {
			bounds = {xMin:sl.O[0], xMax:sl.O[0] + Stage.width, yMin:sl.O[1], yMax:sl.O[1] + Stage.height};
			floor = bounds.yMax - PopcornConfig.floor;
		}
		function readSounds() {
			sounds = [];
			var _local3 = 1;
			while (true) {
				var _local2 = new Sound(basemc);
				_local2.attachSound("pop" + _local3);
				if (_local2.duration == undefined) {
					break;
				}
				sounds.push("pop" + _local3);
				_local3++;
			}
		}
		function playPopSound() {
			if (bool_sounds) {
				var _local2 = new Sound(basemc);
				var _local3 = sounds[random(sounds.length)];
				_local2.attachSound(_local3);
				_local2.start();
			}
		}
		function createInitialPopcorn() {
			reserves = [];
			var _local6 = 1;
			var _local2 = stage_xmax;
			var _local4 = 0;
			while (_local4 < _local6) {
				var _local7 = ((PopcornConfig.fixed_layers_offset + bounds.yMax) - ((_local4 * 1.2) * PopcornConfig.radius)) - 1;
				var _local5 = (-radius) / 2;
				while (_local5 < _local2) {
					var _local3 = addBall(_local5, (_local7 + (Math.random() * 10)) - 5);
					reserves.push(_local3);
					_local5 = _local5 + (radius + ((0.2 * Math.random()) * radius));
				}
				_local4++;
			}
			var _local7 = (floor - PopcornConfig.radius) - 1;
			var _local5 = (-radius) / 2;
			while (_local5 < _local2) {
				var _local3 = addBall(_local5, (_local7 + (Math.random() * 10)) - 5);
				if (bool_debug) {
					new Color(_local3).setRGB(16744576);
				}
				balls.push(_local3);
				registerBallToGrid(balls.length - 1);
				supporting[balls.length - 1] = [];
				supported[balls.length - 1] = [];
				_local5 = _local5 + (radius + ((0.2 * Math.random()) * radius));
			}
			var _local8 = Math.round(_local2 / 100);
			_local7 = (floor - (2 * PopcornConfig.radius)) - 1;
			_local4 = 0;
			while (_local4 < 8) {
				_local5 = Math.random() * _local2;
				var _local3 = addBall(_local5, (_local7 + (Math.random() * 10)) - 5);
				if (bool_debug) {
					new Color(_local3).setRGB(16744576);
				}
				balls.push(_local3);
				registerBallToGrid(balls.length - 1);
				supporting[balls.length - 1] = [];
				supported[balls.length - 1] = [];
				_local4++;
			}
		}
		function addBallFromReserve() {
			var _local3 = 0;
			while (_local3 < refill_count) {
				do {
					var mc = reserves.splice(random(reserves.length), 1)[0];
				} while  ((mc._x > bounds.xMax) || (mc._x < bounds.xMin));
				if (bool_debug) {
					new Color(mc).setRGB(255);
				}
				balls.push(mc);
				registerBallToGrid(balls.length - 1);
				supporting[balls.length - 1] = [];
				supported[balls.length - 1] = [];
				var _local2 = addBall(mc._x, mc._y);
				if (bool_debug) {
					new Color(_local2).setRGB(65280);
				}
				reserves.push(_local2);
				mc.swapDepths(_local2);
				_local3++;
			}
			refill_count = refill_count - Math.floor(refill_count);
		}
		function addBall(x, y) {
			var _local3 = basemc.getNextHighestDepth();
			var _local2 = basemc.attachMovie("ball", "ball" + _local3, _local3, {_x:x, _y:y});
			_local2._xscale = PopcornConfig.scale;
			_local2._yscale = _local2._xscale;
			_local2.cacheAsBitmap = true;
			return(_local2);
		}
		function pop() {
			var _local4 = PopcornConfig.pop_angle_min + ((PopcornConfig.pop_angle_max - PopcornConfig.pop_angle_min) * Math.random());
			var _local3 = PopcornConfig.pop_speed_min + ((PopcornConfig.pop_speed_max - PopcornConfig.pop_speed_min) * Math.random());
			if (next_x != undefined) {
				var _local6 = next_x;
			} else {
				var _local6 = Math.random() * bounds.xMax;
			}
			delete next_x;
			var _local5 = (bounds.yMax - radius) + (_local3 * Math.sin(_local4));
			var _local2 = addBall(_local6, _local5);
			_local2.speed = _local3;
			_local2.angle = _local4;
			_local2.fase = Ball.FASE_POP;
			balls.push(_local2);
			pops.push(balls.length - 1);
			playPopSound();
			addBallFromReserve();
		}
		function checkCollisions() {
			var _local16 = radius * 1.6;
			var _local10 = 1;
			var _local15 = hits.length - 1;
			while (_local15 >= 0) {
				var _local11 = balls[hits[_local15]];
				var _local13 = _local11.__get__pos();
				var _local14 = Math.floor(_local11.__get__pos().x / radius) + 10;
				var _local12 = Math.floor(_local11.__get__pos().y / radius) + 10;
				if (_local11.__get__pos().y < (bounds.yMax - 0)) {
				} else {
					var _local8 = false;
					var _local9 = _local14 - _local10;
					while (_local9 <= (_local14 + _local10)) {
						if (_local8) {
							break;
						}
						var _local6 = _local12 - _local10;
						while (_local6 <= (_local12 + _local10)) {
							if (_local8) {
								break;
							}
							var _local3 = grid[_local9][_local6];
							if (_local3 != undefined) {
								var _local2 = 0;
								while (_local2 < _local3.length) {
									var _local5 = balls[_local3[_local2]];
									var _local7 = _local5.__get__pos();
									var _local4 = _local16 - flash.geom.Point.distance(_local13, _local7);
									if (_local4 > 0) {
										if (bool_trace) {
											trace((frame_count + " coll: ") + [hits[_local15], _local3[_local2]]);
										}
										if (hits[_local15] == _local3[_local2]) {
											trace("!");
										}
										registerBallsToSupportArrays(_local3[_local2], hits[_local15]);
										_local11.__set__fase(Ball.FASE_STILL);
										registerBallToGrid(hits[_local15]);
										hits.splice(_local15, 1);
										_local8 = true;
										break;
									}
									_local2++;
								}
							}
							_local6++;
						}
						_local9++;
					}
				}
				_local15--;
			}
			_local16 = (1.1 * radius) * 2;
			_local10 = 2;
			_local15 = 0;
			while (_local15 < pops.length) {
				var _local11 = balls[pops[_local15]];
				var _local13 = _local11.__get__pos();
				var _local14 = Math.floor(_local11.__get__pos().x / radius) + 10;
				var _local12 = Math.floor(_local11.__get__pos().y / radius) + 10;
				if (_local11.__get__pos().y < (bounds.yMax - 200)) {
				} else {
					var _local9 = _local14 - _local10;
					while (_local9 <= (_local14 + _local10)) {
						var _local6 = _local12 - _local10;
						while (_local6 <= (_local12 + _local10)) {
							var _local3 = grid[_local9][_local6];
							if (_local3 != undefined) {
								var _local2 = 0;
								while (_local2 < _local3.length) {
									var _local5 = balls[_local3[_local2]];
									var _local7 = _local5.__get__pos();
									var _local4 = _local16 - flash.geom.Point.distance(_local13, _local7);
									if (_local4 > 0) {
										doCollisionPop(_local11, _local5, _local4);
										dropBall(_local3[_local2]);
									}
									_local2++;
								}
							}
							_local6++;
						}
						_local9++;
					}
				}
				_local15++;
			}
		}
		function dropBall(i) {
			balls[i].fase = Ball.FASE_HIT;
			hits.push(i);
			unregisterBallFromGrid(i);
			unregisterSupporteeFromArrays(i);
			if (bool_trace) {
				trace((frame_count + " drop: ") + [i, supporting[i], "-", supported[i]]);
			}
			var _local2 = supporting[i].length - 1;
			while (_local2 >= 0) {
				if (supporting[i][_local2].fase == Ball.FASE_STILL) {
					dropBall(supporting[i][_local2]);
				}
				_local2--;
			}
			unregisterSupporterFromArrays(i);
		}
		function doCollisionHit(o0, o1, overlap) {
			var _local4 = 1;
			var _local3 = 99999 /* 0x01869F */;
			var _local21 = o0.__get__pos();
			var _local20 = o1.__get__pos();
			var _local11 = flash.geom.Point.polar(o0.speed, o0.angle);
			var _local10 = flash.geom.Point.polar(0, 0);
			var _local15 = new Vector(_local11.x, _local11.y);
			var _local13 = new Vector(_local10.x, _local10.y);
			var _local2 = new Vector(_local20.x - _local21.x, radius);
			_local2.normalize(1);
			var _local5 = new Vector(-_local2.y, _local2.x);
			var _local16 = Vector.dotproduct(_local2, _local15);
			var _local19 = Vector.dotproduct(_local5, _local15);
			var _local17 = Vector.dotproduct(_local2, _local13);
			var _local18 = Vector.dotproduct(_local5, _local13);
			var _local23 = ((_local16 * (_local4 - _local3)) + ((2 * _local3) * _local17)) / (_local4 + _local3);
			var _local22 = ((_local17 * (_local3 - _local4)) + ((2 * _local4) * _local16)) / (_local4 + _local3);
			var _local9 = _local2.scale(_local23);
			var _local12 = _local5.scale(_local19);
			var _local8 = _local2.scale(_local22);
			var _local14 = _local5.scale(_local18);
			var _local6 = new Vector(_local9.x + _local12.x, _local9.y + _local12.y);
			var _local24 = new Vector(_local8.x + _local14.x, _local8.y + _local14.y);
			o0.angle = Math.atan2(_local6.y, _local6.x);
			o0.speed = _local6.length * 0.01;
		}
		function doCollisionPop(o0, o1, overlap) {
			var _local5 = 1;
			var _local4 = 1;
			var _local22 = o0.__get__pos();
			var _local21 = o1.__get__pos();
			var _local11 = flash.geom.Point.polar(o0.speed, o0.angle);
			var _local10 = flash.geom.Point.polar(o1.speed, o1.angle);
			var _local15 = new Vector(_local11.x, _local11.y);
			var _local13 = new Vector(_local10.x, _local10.y);
			var _local2 = new Vector(_local21.x - _local22.x, radius);
			_local2.normalize(1);
			var _local6 = new Vector(-_local2.y, _local2.x);
			var _local16 = Vector.dotproduct(_local2, _local15);
			var _local20 = Vector.dotproduct(_local6, _local15);
			var _local17 = Vector.dotproduct(_local2, _local13);
			var _local19 = Vector.dotproduct(_local6, _local13);
			var _local24 = ((_local16 * (_local5 - _local4)) + ((2 * _local4) * _local17)) / (_local5 + _local4);
			var _local23 = ((_local17 * (_local4 - _local5)) + ((2 * _local5) * _local16)) / (_local5 + _local4);
			var _local9 = _local2.scale(_local24);
			var _local12 = _local6.scale(_local20);
			var _local8 = _local2.scale(_local23);
			var _local14 = _local6.scale(_local19);
			var _local25 = new Vector(_local9.x + _local12.x, _local9.y + _local12.y);
			var _local7 = new Vector(_local8.x + _local14.x, _local8.y + _local14.y);
			o1.angle = Math.atan2(_local7.y, _local7.x);
			o1.speed = Math.min(35, _local7.length);
			o1.bool_grav = true;
			o1.bool_fric = true;
		}
		function registerBallToGrid(i) {
			var _local2 = balls[i];
			_local2.cell_x = Math.floor(_local2.__get__pos().x / radius) + 10;
			_local2.cell_y = Math.floor(_local2.__get__pos().y / radius) + 10;
			if (_local2.__get__fase() == Ball.FASE_STILL) {
				if (grid[_local2.cell_x] == undefined) {
					grid[_local2.cell_x] = [];
				}
				if (grid[_local2.cell_x][_local2.cell_y] == undefined) {
					grid[_local2.cell_x][_local2.cell_y] = [i];
				} else {
					grid[_local2.cell_x][_local2.cell_y].push(i);
				}
				if (bool_trace) {
					trace((frame_count + " reg: ") + [_local2.cell_x, _local2.cell_y, grid[_local2.cell_x][_local2.cell_y]]);
				}
			}
		}
		function unregisterBallFromGrid(i) {
			var _local5 = balls[i];
			var _local3 = grid[_local5.cell_x][_local5.cell_y];
			if (bool_trace) {
				trace((frame_count + " unreg: ") + [i, _local3]);
			}
			var _local2 = _local3.length - 1;
			while (_local2 >= 0) {
				if (_local3[_local2] == i) {
					_local3.splice(_local2, 1);
				}
				_local2--;
			}
		}
		function registerBallsToSupportArrays(supporter, supportee) {
			if (supporting[supporter] == undefined) {
				supporting[supporter] = [supportee];
			} else {
				var _local2 = supporting[supporter].length - 1;
				while (_local2 >= 0) {
					if (supporting[supporter][_local2] == supportee) {
						supporting[supporter].splice(_local2, 1);
					}
					_local2--;
				}
				supporting[supporter].push(supportee);
			}
			if (supported[supportee] == undefined) {
				supported[supportee] = [supporter];
			} else {
				var _local2 = supported[supportee].length - 1;
				while (_local2 >= 0) {
					if (supported[supportee][_local2] == supporter) {
						supported[supportee].splice(_local2, 1);
					}
					_local2--;
				}
				supported[supportee].push(supporter);
			}
		}
		function unregisterSupporteeFromArrays(supportee) {
			var _local4 = supported[supportee].length - 1;
			while (_local4 >= 0) {
				var _local3 = supporting[supported[supportee][_local4]];
				var _local2 = _local3.length - 1;
				while (_local2 >= 0) {
					if (_local3[_local2] == supportee) {
						_local3.splice(_local2, 1);
					}
					_local2--;
				}
				_local4--;
			}
			supported[supportee] = [];
		}
		function unregisterSupporterFromArrays(supporter) {
			var _local4 = supporting[supporter].length - 1;
			while (_local4 >= 0) {
				var _local3 = supported[supporting[supporter][_local4]];
				var _local2 = _local3.length - 1;
				while (_local2 >= 0) {
					if (_local3[_local2] == supporter) {
						_local3.splice(_local2, 1);
					}
					_local2--;
				}
				_local4--;
			}
			supporting[supporter] = [];
		}
		static var instance = null;
		var bool_sounds = true;
		var bool_debug = false;
		var bool_trace = false;
		var bool_paused = false;
		var refill_count = 0;
		var refill_amount = 1;
	}
Symbol 34 MovieClip [__Packages.StageListener] Frame 0
	class StageListener
	{
		var _origsize, O;
		function StageListener (w, h) {
			Stage.addListener(this);
			_origsize = [w, h];
			O = calcLT();
		}
		function onResize() {
			O = calcLT();
			for (var _local2 in _members) {
				if (_members[_local2][0] ne undefined) {
					alignItem(_members[_local2][0], _members[_local2][1], _members[_local2][2]);
				} else {
					delete _members[_local2];
				}
			}
		}
		function calcLT() {
			var _local2 = [];
			if (Stage.align.indexOf("L") > -1) {
				_local2[0] = 0;
			} else if (Stage.align.indexOf("R") > -1) {
				_local2[0] = _origsize[0] - Stage.width;
			} else {
				_local2[0] = (_origsize[0] - Stage.width) / 2;
			}
			if (Stage.align.indexOf("T") > -1) {
				_local2[1] = 0;
			} else if (Stage.align.indexOf("B") > -1) {
				_local2[1] = _origsize[1] - Stage.height;
			} else {
				_local2[1] = (_origsize[1] - Stage.height) / 2;
			}
			return(_local2);
		}
		function alignItem(mc, tp, opos) {
			if (tp.indexOf("L") > -1) {
				var _local5 = O[0] + opos[0];
			} else if (tp.indexOf("R") > -1) {
				var _local5 = (O[0] + Stage.width) - (_origsize[0] - opos[0]);
			} else {
				var _local5 = (O[0] + (0.5 * Stage.width)) - ((0.5 * _origsize[0]) - opos[0]);
			}
			if (tp.indexOf("T") > -1) {
				var _local4 = O[1] + opos[1];
			} else if (tp.indexOf("B") > -1) {
				var _local4 = (O[1] + Stage.height) - (_origsize[1] - opos[1]);
			} else {
				var _local4 = (O[1] + (0.5 * Stage.height)) - ((0.5 * _origsize[1]) - opos[1]);
			}
			mc._x = _local5;
			mc._y = _local4;
		}
		function addListener(mc, alignment) {
			var _local4 = getKey(mc);
			var _local3 = [mc._x, mc._y];
			_members[_local4] = [mc, alignment, _local3];
			alignItem(mc, alignment, _local3);
		}
		function removeListener(mc) {
			var _local2 = getKey(mc);
			delete _members[_local2];
		}
		function getKey(mc) {
			return(mc._name.split("/").join("_"));
		}
		var _members = {};
	}
Symbol 35 MovieClip [__Packages.PopcornConfig] Frame 0
	class PopcornConfig
	{
		function PopcornConfig () {
		}
		static var floor = -10;
		static var fixed_layers = 1;
		static var fixed_layers_offset = -10;
		static var start_paused = false;
		static var update_interval = 25;
		static var scale = 135;
		static var stage_max_width = 2500;
		static var radius = 60;
		static var grav_acc = 3;
		static var friction = 0.99;
		static var elasticity = 0;
		static var pop_angle_min = 3.92699081698724;
		static var pop_angle_max = 5.49778714378214;
		static var pop_speed_min = 40;
		static var pop_speed_max = 60;
		static var pause_between_pops_min = 3;
		static var pause_between_pops_max = 6;
	}
Symbol 36 MovieClip [__Packages.Ball] Frame 0
	class Ball extends MovieClip
	{
		var radius, grav_acc, friction, rotation_speed, gotoAndStop, _totalframes, cacheAsBitmap, removeMovieClip, bool_grav, speed, angle, bool_fric, _x, _y, _rotation, bool_coll, __fase;
		function Ball () {
			super();
			fase = (FASE_STILL);
			radius = PopcornConfig.radius;
			grav_acc = PopcornConfig.grav_acc;
			friction = PopcornConfig.friction;
			rotation_speed = 5;
			stopMoving();
			gotoAndStop(Math.round(Math.random() * _totalframes) + 1);
			cacheAsBitmap = true;
		}
		function destroy() {
			removeMovieClip();
		}
		function update() {
			if (bool_grav) {
				var _local2 = flash.geom.Point.polar(speed, angle);
				_local2.y = _local2.y + grav_acc;
				speed = _local2.length;
				angle = Math.atan2(_local2.y, _local2.x);
			}
			if (bool_fric) {
				speed = speed * friction;
			}
			var _local4 = _x + (Math.cos(angle) * speed);
			var _local3 = _y + (Math.sin(angle) * speed);
			_x = _local4;
			_y = _local3;
			if (speed > 10) {
				_rotation = _rotation + (rotation_speed * (((angle > 1.57) and (angle < 4.61)) ? -1 : 1));
			}
		}
		function stopMoving() {
			speed = 0;
			angle = 0;
			bool_grav = false;
			bool_fric = false;
			bool_coll = false;
		}
		function get pos() {
			return(new flash.geom.Point(_x, _y));
		}
		function set pos(p) {
			_x = p.x;
			_y = p.y;
			//return(pos);
		}
		function get fase() {
			return(__fase);
		}
		function set fase(n) {
			__fase = n;
			if (n == FASE_STILL) {
				stopMoving();
			} else if (n == FASE_HIT) {
				bool_grav = true;
			}
			//return(fase);
		}
		static var FASE_STILL = 0;
		static var FASE_HIT = 1;
		static var FASE_POP = 9;
	}
Symbol 37 MovieClip [__Packages.Vector] Frame 0
	class Vector extends flash.geom.Point
	{
		var x, y;
		function Vector (ax, ay) {
			super();
			x = ax;
			y = ay;
		}
		function clone() {
			return(new Vector(x, y));
		}
		function scale(f) {
			return(new Vector(x * f, y * f));
		}
		function tangent() {
			return(new Vector(-y, x));
		}
		static function dotproduct(v0, v1) {
			return((v0.x * v1.x) + (v0.y * v1.y));
		}
	}