package { import flash.display.Loader; import flash.system.LoaderContext; import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.Sprite; import flash.events.Event; import flash.events.MouseEvent; import flash.events.TextEvent; import flash.geom.Rectangle; import flash.geom.Point; import flash.net.URLRequest; import flash.text.TextField; import flash.text.TextField; import flash.text.TextFieldAutoSize; import flash.text.TextFieldType; import flash.text.TextFormat; import flash.text.AntiAliasType; import flash.display.BlendMode; import flash.system.Security; import flash.display.Stage; import flash.display.StageAlign; import flash.display.StageScaleMode; import flash.display.StageQuality; /** * @author duarte peixinho * mail: duarte.peixinho@gmail.com * Pixel Perfect Particles with Basic Physics */ [SWF(width = "600", height = "400", backgroundColor = "#000000", frameRate = "60")] public class Main extends Sprite { private var loader:Loader = new Loader(); private var imageSourceBitmapData:BitmapData; private var imageSource:Bitmap; private var mouseClicked:Boolean = false; private var Pixels:Array = new Array(); private var text:TextField = new TextField(); public function Main():void { stage.quality = StageQuality.LOW; stage.scaleMode = StageScaleMode.NO_SCALE; stage.align = StageAlign.TOP_LEFT; Security.loadPolicyFile("http://duartepeixinho.comcrossdomain.xml"); Security.allowDomain("duartepeixinho.com"); loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onLoadComplete); var loaderContext:LoaderContext = new LoaderContext(); loaderContext.checkPolicyFile = true; loader.load(new URLRequest("http://duartepeixinho.com/flash/bitmapdata1/logo.png"),loaderContext); text.antiAliasType = AntiAliasType.ADVANCED; text.blendMode = BlendMode.LAYER; text.x = stage.stageWidth/2-text.width/2; text.y = stage.stageHeight/2; text.autoSize = TextFieldAutoSize.LEFT; text.setTextFormat(new TextFormat("Arial", 14, 0x303030, true)); text.textColor = 0xffffff; text.selectable = false; text.text="Loading Image..."; addChild(text); } private function onLoadComplete(e:Event):void { imageSource = Bitmap(e.target.loader.content); imageSourceBitmapData = imageSource.bitmapData; // -------------------- creating scene ------------------------- removeChild(text); text.text = "Click on the Screen"; text.x = (stage.stageWidth) - text.width -10; text.y = stage.stageHeight - 30; text.alpha = 0; addChild(text); //enter frame addEventListener(Event.ENTER_FRAME, processframe); stage.addEventListener(MouseEvent.CLICK, mouseClick); //--------------------- creating the pixels ------------------------ var l:int = 0; for (var i:int = 0; i < imageSource.width; i++) for (var k:int = 0; k < imageSource.height; k++) { var pixelB:BitmapData = new BitmapData(1, 1); pixelB.copyPixels(imageSourceBitmapData, new Rectangle(i, k, i + 1, k + 1), new Point(0, 0)); var Pixel:pixels = new pixels(this.stage,new Bitmap(pixelB), Math.round(stage.stageWidth/2 - imageSource.width / 2 + i),Math.round(stage.stageHeight / 2 - imageSource.height / 2 + k),Math.random() *6 - 3,Math.random() *-5-10,Math.round(Math.random()*100)); Pixels.push(Pixel); addChild(Pixels[l].show()); l++; } } private function mouseClick(e:MouseEvent):void { if (!mouseClicked) mouseClicked = true; else mouseClicked = false; } private function processframe(e:Event):void { //enter frame function //textfield if (text.alpha < 1) text.alpha += 0.01; for (var i:int = 0; i < Pixels.length; i++) { Pixels[i].update(); if (Pixels[i].moving != mouseClicked) { Pixels[i].moving = mouseClicked; if (mouseClicked) { Pixels[i].animation++; Pixels[i].resetValues(); } if (Pixels[i].animation == 5) Pixels[i].animation = 1; } } } } } import flash.display.Bitmap; import flash.display.Stage; class pixels { private var XposInit:Number; private var YposInit:Number; private var Xvel:Number; private var YvelInit:Number; private var Yvel:Number; //resize private var posXstage:Number; private var posYstage:Number; private var pixel:Bitmap; private var grav:Number = 0.98; private var time:Number; private var timeInit:Number; public var moving:Boolean = false; private var stage:Stage; //animations public var animation:uint = 0; public function pixels(stage:Stage, pixelB:Bitmap, x:Number, y:Number, XvelParam:Number = 0, YvelParam:Number = 0, timeParam:Number = 0):void { pixel = pixelB; XposInit = x; YposInit = y; pixel.x = x; pixel.y = y; Xvel = XvelParam; Yvel = YvelParam; YvelInit = YvelParam; time = timeParam; timeInit = timeParam; this.stage = stage; posXstage = pixel.x - stage.stageWidth / 2; posYstage = pixel.y - stage.stageHeight / 2; } public function show():Bitmap { return pixel; } public function resetValues():void { //clear other animations time = timeInit; Yvel = YvelInit; } public function update():void { // ----------------------------- resize ---------------- // if (XposInit - stage.stageWidth/2 != posXstage) { XposInit = Math.round(stage.stageWidth / 2 + posXstage); } if (pixel.y - stage.stageHeight != posYstage) { YposInit = Math.round(stage.stageHeight / 2 + posYstage); } if (moving) { //------------------------- animations here --------------------- // switch(animation) { case 1: pixel.x = pixel.x + Math.random() * 6 - 3; pixel.y = pixel.y + Math.random() * 6 - 3; break; case 2: if (time == 0) { if (Yvel>0) pixel.y += grav +Yvel; else pixel.y += grav -Yvel; } else time--; break; case 3: case 4: pixel.x += Xvel; pixel.y += Yvel; Yvel += grav; break; } // -------------- physics here ----------------- // if ((animation == 3 || animation == 4) && pixel.y > stage.stageHeight) { Yvel = Yvel * -0.7; pixel.y = -Math.random() * Yvel +stage.stageHeight; if (animation == 4) { pixel.x = stage.stageWidth/2; } } } else { pixel.x += (XposInit - pixel.x) / 4; pixel.y += (YposInit - pixel.y) / 4; } } }