flash on 2016-10-1

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

package {
    import flash.events.Event;
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        public function FlashTest() {
     
           stage.addEventListener(Event.ENTER_FRAME, onEnter);       
        }//ctor
        
        public var cx:Number = 230;
        public var cy:Number = 230;
        public var vx:Number = 0;
        public var vy:Number = 0;
        public var ang:Number = 0;
        
        public var wa:Number = 0;
        public var wb:Number = 256;
        
        public var gt:int = 0;
        
        public function getMag(ax:Number, ay:Number):Number
        { return Math.sqrt(ax*ax+ay*ay); }
        
        public function onEnter(e:Event):void
        {
            gt +=1;
            
            var ms:Number; var ta:Number;
            var gx:Number; var gy:Number;
             var mx:Number; var my:Number;
              mx = stage.mouseX;
              my = stage.mouseY;


            
            graphics.clear();
            graphics.lineStyle(2, 0);
            
            graphics.drawCircle(cx, cy, 16);
            graphics.moveTo(cx,cy);
            graphics.lineTo(cx+Math.cos(ang)*16, cy+Math.sin(ang)*16);
 
            
            ang = Math.atan2(my-cy, mx-cx);

              wa=0.3;
              wa = Math.sin(gt*0.08)*0.3;
              wa = Math.sin(gt*0.03)*0.5;

              if (gt%64==0){wb=Math.random()*128+128;}

            ms = 64;            
            ms = 256;
            ms = wb;
             gx = mx + Math.cos(ang+wa) * -ms;
             gy = my + Math.sin(ang+wa) * -ms;
            // graphics.drawCircle(gx,gy,4);

            ta = Math.atan2(gy-cy, gx-cx);
            
            if (getMag(gx-cx, gy-cy) > 16)
            { 
             ms = 2;
              vx = Math.cos(ta)*ms;
              vy = Math.sin(ta)*ms;
            } else { vx*=0.9; vy*=0.9; }
            
            cx+=vx;
            cy+=vy;
            
            
        }//onenter
        
        
    }//classend
}