flash on 2013-11-13

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

package {
    import flash.ui.Keyboard;
    import flash.events.Event;
    import flash.events.KeyboardEvent;
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        public function FlashTest() {
            
            
            addRect(200, 100, 16,16, 0, 0.6);

            stage.addEventListener(KeyboardEvent.KEY_DOWN, kdown);
            stage.addEventListener(KeyboardEvent.KEY_UP, kup);            
            stage.addEventListener(Event.ENTER_FRAME, onEnter);
        }//ctor
        
        public function kdown(e:KeyboardEvent):void {if (e.keyCode >511) { return;} vecKey[e.keyCode]=true;}
        public function kup(e:KeyboardEvent):void {if (e.keyCode >511) { return;} vecKey[e.keyCode]=false;}
        public var vecKey:Vector.<Boolean> = new Vector.<Boolean>(512,false);
        
        public var cx:Number = 100;
        public var cy:Number = 100;
        public var ang:Number = 0;
        public var vecRect:Vector.<xRect> = new Vector.<xRect>(0,false);
        
        public function addRect(rx:Number,ry:Number,rw:Number,rh:Number,ra:Number,rb:Number):void
        {
            var a:xRect;
            a = new xRect();
            a.cx = rx; a.cy = ry; a.cw = rw; a.ch = rh; a.ang = ra;
            a.ang2 = rb;
            vecRect.push(a);
        }//addrect
        
        public var dir:int = 0;
        public var cur:xRect;
        
        public function onEnter(e:Event):void
        {
          graphics.clear();
          graphics.lineStyle(2,0);
          
          var i:int;
          var num:int;
          var a:xRect;
          num = vecRect.length;
          for (i = 0; i < num; i++)
          {
              a = vecRect[i];
              graphics.drawRect(a.cx,a.cy,a.cw,a.ch);
              graphics.moveTo(a.cx+a.cw*0.5,a.cy+a.ch*0.5);
              graphics.lineTo(a.cx+a.cw*0.5+Math.cos(a.ang)*8,a.cy+a.ch*0.5+Math.sin(a.ang)*8);
              graphics.moveTo(a.cx+a.cw*0.5,a.cy+a.ch*0.5);
              graphics.lineTo(a.cx+a.cw*0.5+Math.cos(a.ang2)*12,a.cy+a.ch*0.5+Math.sin(a.ang2)*12);
              
              if (cx < a.cx) { continue; }
              if (cy < a.cy) { continue; }
              if (cx > a.cx+a.cw) { continue; }
              if (cy > a.cy+a.ch) { continue; }
            
           // if (cur != a) { a = cur; cx=a.cx;cy=a.cy; }
               if (dir == 0) {  ang = a.ang2;}
               else { ang = a.ang;}
              
          }//nexti
          
          var ms:Number;
          ms = 4;
          if (vecKey[Keyboard.LEFT]) { dir =1; cx-= Math.cos(ang)*ms; cy-=Math.sin(ang)*ms; }
          if (vecKey[Keyboard.RIGHT]) { dir= 0; cx+= Math.cos(ang)*ms; cy+=Math.sin(ang)*ms; }
          
          
          graphics.drawCircle(cx,cy, 8);
          graphics.moveTo(cx,cy);
          graphics.lineTo(cx+Math.cos(ang)*8,cy+Math.sin(ang)*8);
          
        }//onenter
        
    }//classend
}

internal class xRect
{
  public var cx:Number = 0;
  public var cy:Number = 0;
  public var cw:Number = 0;
  public var ch:Number = 0;
  public var ang:Number = 0;
  public var ang2:Number = 0;
}//xrect