/** * Stardust Particle Engine * * Homepage * http://code.google.com/p/stardust-particle-engine/ * * Documentation * http://stardust-particle-engine.googlecode.com/svn/trunk/docs/index.html * * PDF Manual * http://stardust-particle-engine.googlecode.com/svn/trunk/manual/Stardust%20Particle%20Engine%20Manual.pdf */ package { import com.bit101.components.PushButton; import flash.display.Sprite; import flash.events.Event; import idv.cjcat.stardust.common.clocks.SteadyClock; import idv.cjcat.stardust.twoD.renderers.DisplayObjectRenderer; [SWF(backgroundColor="#FFFFFF", frameRate=60)] public class Main extends Sprite { public static const FLOOR_Y:Number = 400; private var emitter:CircleEmitter; public function Main():void { //container var container:Sprite = new Sprite(); addChild(container); //emitter & renderer emitter = new CircleEmitter(new SteadyClock(0.5)); var renderer:DisplayObjectRenderer = new DisplayObjectRenderer(container); renderer.addEmitter(emitter); //draw floor graphics.lineStyle(0); graphics.moveTo(0, FLOOR_Y); graphics.lineTo(465, FLOOR_Y); //speed buttons var btn1:PushButton = new PushButton(this, 10, 10, "0.25X", changeSpeed); var btn2:PushButton = new PushButton(this, 10, 30, "0.5X", changeSpeed); var btn3:PushButton = new PushButton(this, 10, 50, "1X", changeSpeed); var btn4:PushButton = new PushButton(this, 10, 70, "2X", changeSpeed); var btn5:PushButton = new PushButton(this, 10, 90, "4X", changeSpeed); addEventListener(Event.ENTER_FRAME, mainLoop); } private function mainLoop(e:Event):void { emitter.step(); } private function changeSpeed(e:Event):void { var btn:PushButton = e.target as PushButton; //somehow the "switch" statement causes compile-time error :( if (btn.label == "0.25X") emitter.stepTimeInterval = 0.25; else if (btn.label == "0.5X") emitter.stepTimeInterval = 0.5; else if (btn.label == "1X") emitter.stepTimeInterval = 1; else if (btn.label == "2X") emitter.stepTimeInterval = 2; else if (btn.label == "4X") emitter.stepTimeInterval = 4; } } } //------------------------------------------------------------------------------------------------ import flash.display.Shape; import idv.cjcat.stardust.common.actions.Age; import idv.cjcat.stardust.common.actions.DeathLife; import idv.cjcat.stardust.common.actions.ScaleCurve; import idv.cjcat.stardust.common.clocks.Clock; import idv.cjcat.stardust.common.initializers.CollisionRadius; import idv.cjcat.stardust.common.initializers.Life; import idv.cjcat.stardust.common.initializers.Scale; import idv.cjcat.stardust.common.math.UniformRandom; import idv.cjcat.stardust.twoD.actions.DeathZone; import idv.cjcat.stardust.twoD.actions.Deflect; import idv.cjcat.stardust.twoD.actions.Gravity; import idv.cjcat.stardust.twoD.actions.Move; import idv.cjcat.stardust.twoD.deflectors.LineDeflector; import idv.cjcat.stardust.twoD.emitters.Emitter2D; import idv.cjcat.stardust.twoD.fields.UniformField; import idv.cjcat.stardust.twoD.initializers.DisplayObjectClass; import idv.cjcat.stardust.twoD.initializers.Position; import idv.cjcat.stardust.twoD.initializers.Velocity; import idv.cjcat.stardust.twoD.zones.LazySectorZone; import idv.cjcat.stardust.twoD.zones.RectZone; import idv.cjcat.stardust.twoD.zones.SinglePoint; //------------------------------------------------------------------------------------------------ //I have no idea why this line must be added in order to compile successfully on Wonderfl. //Just ignore this class :p class BugFixer extends Shape { public function BugFixer() { } } //------------------------------------------------------------------------------------------------ class CircleEmitter extends Emitter2D { public function CircleEmitter(clock:Clock) { super(clock); //initializers addInitializer(new DisplayObjectClass(Circle)); addInitializer(new Life(new UniformRandom(200, 0))); addInitializer(new Position(new SinglePoint(232.5, 100))); addInitializer(new Velocity(new LazySectorZone(2, 2))); addInitializer(new Scale(new UniformRandom(1, 0.2))); addInitializer(new CollisionRadius(Circle.RADIUS)); //actions var gravity:Gravity = new Gravity(); gravity.addField(new UniformField(0, 0.3)); var deflect:Deflect = new Deflect(); deflect.addDeflector(new LineDeflector(0, Main.FLOOR_Y, 0, -1)); addAction(gravity); addAction(deflect); addAction(new Age()); addAction(new DeathLife()); addAction(new Move()); addAction(new ScaleCurve(0, 10)); addAction(new DeathZone(new RectZone( -50, -50, 565, 565), true)); } } //------------------------------------------------------------------------------------------------ class Circle extends Shape { public static const RADIUS:Number = 10; public function Circle() { graphics.beginFill(0x808080); graphics.drawCircle(0, 0, RADIUS); } }