flash on 2010-6-17

by pizzaboy 17 Jun 2010

Tags

色彩鼠标跟随
Embed

package {
    import flash.display.Sprite;
	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.geom.Matrix;
	import flash.geom.ColorTransform;
	import flash.display.BlendMode;
	import flash.filters.BlurFilter;
	import flash.events.Event;
	import flash.events.MouseEvent;
	
	[SWF(width = 465, height = 465, backgroundColor = 0, frameRate = 30)]
	
    public class BitmapDateSample7 extends Sprite {
		 private var bmpdata:BitmapData;
			private var sprite:Sprite;
			private var matrix:Matrix;
			private var colortrans:ColorTransform;
			private var filter:BlurFilter;
     
           
			
			public function BitmapDateSample7() {
			//Bitmapデータ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,ColorTransformの初期化
			matrix = new Matrix();
			colortrans = new ColorTransform();
			//エフェクトの初期化
			filter = new BlurFilter(2, 2, 1);
			//イベント
			addEventListener(Event.ENTER_FRAME, enterframe);
			stage.addEventListener(MouseEvent.CLICK, reset);
			}
			private function enterframe(e:Event):void {
			bmpdata.applyFilter(bmpdata, bmpdata.rect, bmpdata.rect.topLeft, filter);
			//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.greenMultiplier = mouseX / 465;
			colortrans.blueMultiplier = mouseY / 465;
			colortrans.alphaMultiplier = Math.random();
			//BitmapDate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;
			}
            
        }
    }