forked from: forked from: forked from: flash on 2010-1-29

/**
 * Copyright 0color ( http://wonderfl.net/user/0color )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/h8bC
 */

// forked from 0color's forked from: forked from: flash on 2010-1-29
// forked from 0color's forked from: flash on 2010-1-29
// forked from 0color's flash on 2010-1-29
package {
	import flash.display.Bitmap;
	import flash.display.BitmapData;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.events.MouseEvent;
    import flash.geom.Matrix;
    import flash.geom.ColorTransform;
    
    
    [SWF(width=465,height=465,backgroumdColor=0)]
    public class BitmapDataSample4 extends Sprite {
    		private var bmpdata:BitmapData;
    		private var sprite:Sprite;
    		private var matrix:Matrix;
    		private var colortrans:ColorTransform;
    		
        public function BitmapDataSample4() {
			        		
   			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 = new Matrix();
   			colortrans = new ColorTransform();
   			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.draw(sprite,matrix,colortrans);
        }
        
        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,のグラフィックスを作成
        		var shape:Sprite = new Sprite();
        		shape.graphics.lineStyle(0,0xFFFFFF,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;
        }
    }
}