flash on 2016-5-12

/**
 * Copyright mutantleg ( http://wonderfl.net/user/mutantleg )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/i9HA
 */

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 function getMag(ax:Number,ay:Number):Number { return Math.sqrt(ax*ax+ay*ay); }
        
        public function distRect(t:int, ax:Number,ay:Number,aw:Number,ah:Number, kx:Number,ky:Number):void
        {
            var ix:Number; var iy:Number;
            
            graphics.drawRect(ax,ay, aw,ah);
            
            if (kx<ax){ix=ax;} else if (kx>ax+aw){ix=ax+aw; }   else { ix=kx;}
            if (ky<ay){iy=ay;} else if (ky>ay+ah){iy=ay+ah;} else {iy=ky; } 
             
           var d:Number;
           d = getMag(kx-ix, ky-iy);
           if (d > (128/t)) { graphics.moveTo(ax,ay); graphics.lineTo(ax+aw,ay+ah); return; }              
           if (t>5){ graphics.moveTo(ax,ay); graphics.lineTo(ax+aw,ay+ah); return;}

    

            aw*=0.5; ah*=0.5;
           distRect(t+1,ax,ay,aw,ah, kx,ky);
           distRect(t+1,ax+aw,ay,aw,ah, kx,ky);
           distRect(t+1,ax,ay+ah,aw,ah, kx,ky);           
           distRect(t+1,ax+aw,ay+ah,aw,ah, kx,ky);
           
        }//drawrect
        
        
        public function onEnter(e:Event):void
        {
            graphics.clear();
            graphics.lineStyle(2, 0);
            
            distRect(1, 64,64,256,256, stage.mouseX, stage.mouseY);
            
            
        }//onenter

        
    }//classend
}