forked from: BitmapDataSample1

/**
 * Copyright aass ( http://wonderfl.net/user/aass )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/yAO6
 */

// forked from nutsu's BitmapDataSample1
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)]
    import flash.filters.BlurFilter;
    public class BitmapDataSample3 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;
        
        public function BitmapDataSample3() {
            //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 );
            //エフェクトの初期化
            filter = new BlurFilter(2,2,1);
            //Matrixの初期化
            matrix = new Matrix();
            colortrans = new ColorTransform();
            bmpcolortrans = new ColorTransform(0.99, 0.99, 0.999);
            //イベント
            addEventListener(Event.ENTER_FRAME, enterframe);
            stage.addEventListener(MouseEvent.CLICK, reset);
        }
        
        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);
        		colortrans.greenMultiplier = mouseX/465;
        		colortrans.blueMultiplier = mouseY/465;
        		colortrans.alphaMultiplier = Math.random();
        		bmpdata.colorTransform(bmpdata.rect, bmpcolortrans);
        		bmpdata.applyFilter(bmpdata, bmpdata.rect, bmpdata.rect.topLeft,filter);
        		//BitmapDataへ描画
        		bmpdata.draw(sprite,matrix,colortrans, BlendMode.ADD);
        }
        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　のグラフィックを生成
            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;
        }
    }
}