木棉 forked from: Flower

2010-07-21 00:27:14

by civet 08 Jan 2016

Tags

2d disegno flower
Embed

/**
 * Copyright civet ( http://wonderfl.net/user/civet )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/7PtT
 */

// forked from summerTree's Flower 
// 2010-07-21 00:27:14
package 
{
    //author 夏天的树人
    import flash.display.Sprite;
    import flash.display.Shape;
    import flash.filters.*;
    import flash.geom.*;
    import org.libspark.betweenas3.BetweenAS3;
    import org.libspark.betweenas3.easing.*;
    import org.libspark.betweenas3.tweens.ITween;
    
    public class Main extends Sprite
    {
        private var pen:Shape=new Shape();
        public function Main()
        {
            graphics.beginFill(0);
            graphics.drawRect(0,0,stage.stageWidth,stage.stageHeight);
            graphics.endFill();
            pen.x = int(stage.stageWidth*.5);
            pen.y = int(stage.stageHeight*.5);
            addChild(pen);
            pen.filters=[new GlowFilter(0xffff00)];
            
            BetweenAS3.to(this, {len:120}, 2, Expo.easeOut).play();
        }
        
        private function draw(len:Number):void
        {
            pen.graphics.clear();
            pen.graphics.lineStyle(1,0xff0000);
            var n:int=360;
            while (n--) {
                var point:Point=Point.polar(len,142*n);
                pen.graphics.moveTo(0,0);
                pen.graphics.curveTo(Math.cos(n*Math.PI/180)*100,Math.sin(n*Math.PI/180)*100,point.x,point.y);
            }
        }
        
        private var _len:Number = 0;
        public function set len(value:Number):void {
            _len = value;
            draw(_len);
        }
        public function get len():Number {
            return _len;            
        }
    }
}