package { import flash.display.Sprite; import flash.geom.Matrix; [SWF(width = 465, height = 465, backgroundColor = 0x000000, frameRate = 30)] public class FlashTest extends Sprite { public function FlashTest() { var matr:Matrix = new Matrix(); matr.createGradientBox(100, 100, 0, -50, -50); for (var i:int = 0; i < 30; i++) { var squ:Square = new Square(); var c:Number = Math.random() * 0xFFFFFF; squ.graphics.beginGradientFill("radial", [c, c+100], [1, 0], [0x00, 0xFF], matr); squ.graphics.drawRect(-50, -50, 100, 100); squ.graphics.endFill(); squ.maxW = squ.width; squ.maxH = squ.height; squ.offsetH = squ.offsetW = 60; squ.growAmmount = Math.random(); squ.x = Math.random() * (stage.stageWidth - squ.width/2); squ.y = Math.random() * (stage.stageHeight - squ.height/2); squ.easing = Math.random()/10; addChild(squ); } } } } import flash.display.Sprite; import flash.events.Event; class Square extends Sprite { private var menor :Boolean = false; private var posx :Number; private var posy :Number; private var targetX :Number; private var targetY :Number; private var vx :Number; private var vy :Number; public var changeDimensions :Boolean = true; public var easing :Number = 0.01; public var offsetW :Number = 10; public var offsetH :Number = 10; public var offsetX :Number = 10; public var offsetY :Number = 10; public var maxW :Number; public var maxH :Number; public var growAmmount :Number = 0.1; public function Square() { this.addEventListener(Event.ADDED_TO_STAGE, startLoop); this.addEventListener(Event.REMOVED_FROM_STAGE, clearLoop); } private function clearLoop(e:Event):void { removeEventListener(Event.REMOVED_FROM_STAGE, clearLoop); this.removeEventListener(Event.ENTER_FRAME, float); } private function startLoop(e:Event):void { removeEventListener(Event.ADDED_TO_STAGE, startLoop); this.targetX = this.x + offsetX; this.targetY = this.y + offsetY; this.vx = 0; this.vy = 0; this.addEventListener(Event.ENTER_FRAME, float); } public function float(e:Event):void { var ax:Number = (this.targetX - this.x) * Math.random()*this.easing; var ay:Number = (this.targetY - this.y) * Math.random()*this.easing; this.vx += ax/2; this.vy += ay/2; this.x += vx; this.y += vy; if (changeDimensions) { if ((this.width <= maxW || this.height <= maxH) && menor) { this.width +=growAmmount; this.height +=growAmmount; } else { menor = false; this.width -= growAmmount; this.height -= growAmmount; if (this.width <= offsetW || this.height <= offsetH) { menor = true; vx = vy = 0; } } } } }