flash on 2010-3-12

import flash.filters.BlurFilter;

by aass 12 Mar 2010

Embed

/**
 * Copyright aass ( http://wonderfl.net/user/aass )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/uDmr
 */

package {
    import flash.display.Sprite;
    import flash.display.BitmapData;
    import flash.display.Bitmap;
    import flash.geom.Matrix;
    import flash.events.Event;
    import flash.events.MouseEvent;
    import flash.geom.ColorTransform;
    import flash.display.BlendMode;
    //import flash.filters.BlurFilter;
    import flash.geom.Point;
    import flash.display.BitmapDataChannel;
    import flash.filters.DisplacementMapFilter;
    
    [SWF (width=465,height=465,backgroundColor=0,frameRate=30)]
  	public class FlashTest extends Sprite {
    		private var bmpdata:BitmapData;
    		private var sprite:Sprite;
    		private var matrix:Matrix;
    		private var colortrans:ColorTransform;
    		private var bmpcolortrans:ColorTransform;
    		//private var filter:BlurFilter;
    		private var filter:DisplacementMapFilter;
    		
        public function FlashTest() {
            // write as3 code here..
          	//BitmapDataを作成して表示リストに追加
          	bmpdata  = new BitmapData(465,465,false,0);
          	addChild(new Bitmap(bmpdata));
          	//グラフィックの作成
          	sprite = newFig(0,0,40,0xFFFFFF);
          	//Matrixの初期化
          	matrix = new Matrix();
          	colortrans = new ColorTransform();
          	bmpcolortrans = new ColorTransform(0.99,0.99,0.999);
          	//エフェクトの初期化
          	//filter = new BlurFilter(2,2,1);
          	var mapBitmap:BitmapData = new BitmapData(465,465,false,0);
          	var mapPoint:Point = mapBitmap.rect.topLeft;
          	var componentX:uint = BitmapDataChannel.RED;
          	var componentY:uint = BitmapDataChannel.GREEN;
          	var scaleX:Number = 256;
          	var scaleY:Number = 256;
          	var r:uint = 128+2;
          	var g:uint = 128+1;
          	var b:uint = 128;
          	var col:uint = r << 16 | g << 8 | b;
          	mapBitmap.fillRect(mapBitmap.rect, col);
          	filter = new DisplacementMapFilter(mapBitmap,mapPoint,componentX,componentY,scaleX,scaleY);
          	//イベント
          	addEventListener(Event.ENTER_FRAME,enterframe);
          	stage.addEventListener(MouseEvent.CLICK,reset);
          	//addChild(sprite);
          	//sprite.x = 100;
          	//sprite.y = 100;
          	
          	//BitmapDataへ描画
          	//bmpdata.draw(sprite,sprite.transform.matrix);
        }
        private function enterframe(e:Event):void {
	        //変形
	        matrix.identity();
	        var s:Number = Math.random()*2;
	        matrix.scale(s,s);
	        matrix.rotate(Math.PI*Math.random());
	        matrix.translate(mouseX,mouseY);
	        //色変換
	        colortrans.blueMultiplier = mouseX/465;
	        colortrans.greenMultiplier = mouseY/465;
	        colortrans.alphaMultiplier = Math.random();
	        //BitmapDataへ描画 
	        bmpdata.draw(sprite,matrix,colortrans,BlendMode.ADD);
	        bmpdata.colorTransform(bmpdata.rect,bmpcolortrans);
	        bmpdata.applyFilter(bmpdata,bmpdata.rect,bmpdata.rect.topLeft,filter);
        }
        private function reset(e:MouseEvent):void{
        		bmpdata.fillRect(bmpdata.rect,0xFF000000);
        }
       private function newFig(cx:Number,cy:Number,size:Number,col:uint):Sprite {
       		//中心(cx,cy)、幅高さsize、色colのグラフィック作成
       		var shape:Sprite = new Sprite();
       		shape.graphics.lineStyle(0,0x000000,0.3);
       		shape.graphics.beginFill(col);
       		shape.graphics.drawCircle(cx,cy,size*0.5);
       		shape.graphics.drawCircle(cx,cy,size*0.4);
       		var w:Number = size*0.6;
       		var h:Number = size*0.15;
       		shape.graphics.drawRect(cx-w/2,cy-h/2,w,h);
       		shape.graphics.endFill();
       		return shape;
       }
    }
}