Forked from: miyaoka 's continuousJuliaAnimation diff:16 bitBiter miyaoka forked:1 favorite:0 lines:110 license : MIT License modified : 2009-01-05 21:36:30 // forked from miyaoka's continuousJuliaAnimation // forked from miyaoka's JuliaAnimation package { import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.Sprite; import flash.events.MouseEvent; import flash.geom.Rectangle; import caurina.transitions.Tweener; [SWF(width="465", height="465", backgroundColor= 0xffffff, frameRate="30")] public class Julia3 extends Sprite { private var colors:Array; private var bd:BitmapData; private var transitions:Array = ["easeInOutBack", "easeOutCubic", "easeInCubic" ]; private var rMin:Number; private var rMax:Number; private var iMin:Number; private var iMax:Number; public var rVal:Number; public var iVal:Number; private var count:Number; private var level:Number; private var bgClr:uint; public function Julia3():void { bd = new BitmapData(32, 32); var bmp:Bitmap = new Bitmap(bd); // bmp.smoothing = true; addChild(bmp); bmp.width = bmp.height = 465; stage.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownHandler); initJulia(); } private function mouseDownHandler(e:MouseEvent):void { initJulia(); } private function initJulia():void { rMin = Math.random() * -1 - 1; iMin = Math.random() * -1 - 1; rMax = Math.random() * 1 + 1; iMax = Math.random() * 1 + 1; rVal = Math.random() * (rMax - rMin) + rMin; iVal = Math.random() * (iMax - iMin) + iMin; count = Math.random() * 50 + 5; level = Math.random() * 10 +1; bgClr = Math.random() * 0xFFFFFF; colors = new Array(); var colorsLen:int = 3;// Math.random() * 10 + 2; while(0<colorsLen--) { colors.push(Math.random() * 0xFFFFFF); } Tweener.addTween(this, { rVal: Math.random() * (rMax - rMin) + rMin, iVal: Math.random() * (iMax - iMin) + iMin, time: 0.1 + Math.random()*0.4, transition: transitions[Math.floor(Math.random()* transitions.length)], onUpdate: updateTweenHandler, onComplete: contiJulia }); } private function contiJulia():void { Tweener.addTween(this, { rVal: Math.random() * (rMax - rMin) + rMin, iVal: Math.random() * (iMax - iMin) + iMin, time: 0.1 + Math.random()*0.4, transition: transitions[Math.floor(Math.random()* transitions.length)], onUpdate: updateTweenHandler, onComplete: contiJulia }); } private function updateTweenHandler():void { drawJulia(rVal, iVal); } public function drawJulia(a_rval:Number, a_ival:Number):void { var r:Number; var i:Number; var rF:Number; var iF:Number; var rd:Number = (rMax - rMin) / bd.width; var id:Number = (iMax - iMin) / bd.height; bd.fillRect(new Rectangle(0, 0, bd.width, bd.height), 0xFF000000 + bgClr );// + Math.random() * 0xFFFFFF); for (var x_:int = 0; x_ < bd.width; x_++) { for (var y_:int = 0; y_ < bd.height; y_++) { r = rMin + rd * x_; i = iMax - id * y_; for (var j:int = 0; j < count; j++) { rF = r * r - i * i + a_rval; iF = 2 * r * i + a_ival; if (rF * rF + iF * iF > level) { bd.setPixel(x_, y_, colors[j % colors.length] ); break; } r = rF; i = iF; } } } } } } Code Fullscreen Preview Fullscreen width height Math.floor Tweener.addTween time MouseEvent.MOUSE_DOWN MouseEvent addEventListener Rectangle push addChild Math.random length uint Array Sprite int Number sort new page view favorite forked pv 1154 bitBiter2 miyaoka forked:0 favorite:1 lines:110 ( diff:12 )
