Forked from:: szktkhr's 色分解::テスト

色分解::テスト2 forked from: 色分解::テスト

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license : All rights reserved
modified : 2008-12-22 18:54:29

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// 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);
		}
	}
}

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