// forked from szktkhr's 色分解::テスト package { import flash.display.Sprite; import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.BitmapDataChannel; import flash.display.PixelSnapping; import flash.events.Event; import flash.geom.Point; import flash.geom.Rectangle; [SWF(width="470", height="470", frameRate="60", backgroundColor="#ffffff")] public class Sketch extends Sprite { public var canvas:Bitmap; public var originalBD:BitmapData; public var rgbBD:BitmapData; public var rBD:BitmapData; public var gBD:BitmapData; public var bBD:BitmapData; public var rDig:Number; public var gDig:Number; public var bDig:Number; public function Sketch() { addEventListener(Event.ADDED_TO_STAGE, initialize); addEventListener(Event.REMOVED_FROM_STAGE, uninitialize); addEventListener(Event.ENTER_FRAME, enterframe); } private function initialize(e:Event):void { rgbBD = new BitmapData(stage.stageWidth, stage.stageHeight, true); originalBD = new BitmapData(stage.stageWidth, stage.stageHeight, true); rBD = new BitmapData(stage.stageWidth, stage.stageHeight, true); gBD = new BitmapData(stage.stageWidth, stage.stageHeight, true); bBD = new BitmapData(stage.stageWidth, stage.stageHeight, true); rDig = 0; gDig = 0; bDig = 0; var s:Sprite = new Sprite(); var radius:int = 100; s.graphics.beginFill(0x000000); s.graphics.drawCircle(0, 0, radius); s.graphics.drawCircle(0, 0, radius - radius / 5); s.graphics.endFill(); s.x = stage.stageWidth / 2; s.y = stage.stageHeight / 2; addChild(s); originalBD.draw(this); removeChild(s); rgbBD.copyPixels(originalBD, originalBD.rect, new Point(0, 0)); canvas = new Bitmap(rgbBD, PixelSnapping.AUTO, true); addChild(canvas); } private function uninitialize(e:Event):void { } private function enterframe(e:Event):void { // IROIRO rgbBD.copyPixels(originalBD, originalBD.rect, new Point(0, 0)); var p:Point = new Point(); var r:Rectangle = new Rectangle(rgbBD.rect.x, rgbBD.rect.y, rgbBD.rect.width, rgbBD.rect.height); // HANKEI var radius:uint = 4; // RED rDig += 11; rBD.copyPixels(rgbBD, r, p); rBD.scroll(Math.cos(Math.PI / 180 * rDig) * radius, Math.sin(Math.PI /180 * rDig) * radius); // GREEN gDig += 13; gBD.copyPixels(rgbBD, r, p); gBD.scroll(Math.cos(Math.PI / 180 * gDig) * radius, Math.sin(Math.PI / 180 * gDig) * radius); // BLUE bDig += 17; bBD.copyPixels(rgbBD, r, p); bBD.scroll(Math.cos(Math.PI / 180 * bDig) * radius, Math.sin(Math.PI / 180 * bDig) * radius); // GATTAI rgbBD.copyChannel(rBD, r, p, BitmapDataChannel.RED, BitmapDataChannel.RED); rgbBD.copyChannel(gBD, r, p, BitmapDataChannel.GREEN, BitmapDataChannel.GREEN); rgbBD.copyChannel(bBD, r, p, BitmapDataChannel.BLUE, BitmapDataChannel.BLUE); } } }