flash on 2014-12-17

/**
 * Copyright mutantleg ( http://wonderfl.net/user/mutantleg )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/2672
 */

package {
    import flash.ui.Keyboard;
    import flash.events.KeyboardEvent;
    import flash.events.Event;
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        public function FlashTest() {
            
            vecKey = new Vector.<Boolean>(0,false);
            var i:int;   for (i =0; i < 512; i++)  { vecKey.push(false); }
            
           
           stage.addEventListener(KeyboardEvent.KEY_DOWN, onKdown);
           stage.addEventListener(KeyboardEvent.KEY_UP, onKup); 
           stage.addEventListener(Event.ENTER_FRAME, onEnter); 
        }//ctor
        
        public function onKdown(e:KeyboardEvent):void   { vecKey[e.keyCode] = true; }
        public function onKup(e:KeyboardEvent):void { vecKey[e.keyCode] = false; }
        public function isKdown(k:int):Boolean { if (k<0||k>=512){return false;} return vecKey[k]; }
        
        public var vecKey:Vector.<Boolean>;
        
        public var cx:Number = 230;
        public var cy:Number = 230;
        public var vx:Number = 0;
        public var vy:Number = 0;
        
        public var vecBlob:Vector.<xBlob>; 
        
        public function upBlob(vec:Vector.<xBlob>):void
        {
          var i:int; var num:int; var a:xBlob;
          num = vec.length;
          for (i = 0; i < num; i++)
          {
            a  = vec[i];
            graphics.drawCircle(a.cx,a.cy, 8);  
          }//nexti  
        }//upblob
        
        public function isWall(ax:Number, ay:Number):Boolean
        {
           if (ax < 0) {return true;}    if (ax>460) {return true;} 
           if (ay < 0) { return true; } if (ay > 460) { return true; }
           return false; 
        }//iswall
        
        public function isOver(r:Number, ax:Number, ay:Number, aw:Number, ah:Number):Boolean
        {
          graphics.drawRect(ax,ay,aw,ah);
          if (cx + r < ax) { return false; }   if (cx - r > ax+aw) { return false; } 
          if (cy + r < ay) { return false; }   if (cy - r > ay+ah) { return false; }             
          return true;  
        }//isover
        
        public var state:int = 0;
        
        public function setState(i:int):void
        {
         state = i;
         vecBlob = new Vector.<xBlob>(0,false);  
        }//setstate
        
        public function onEnter(e:Event):void
        {
            if (state > 0)
            {
               if (state == 1)   { cy += 32;  if (cy>=380) { cy=380;state = 0; return; }  }       
               if (state == 2)   { cy -= 32;  if (cy <= 80) { cy=80; state = 0; return; }  }       
               if (state == 3)   { cx += 32;  if (cx >= 380) { cx=380; state = 0; return; }  }       
               if (state == 4)   { cx -= 32;  if (cx <= 80) { cx=80; state = 0; return; }  }       
             
           }//endif
            
            graphics.clear();
            graphics.lineStyle(2, 0);
            
            graphics.beginFill(0x808080,1);   graphics.drawRect(0,0,465,465);   graphics.endFill();
            graphics.beginFill(0,1); graphics.drawRect(0,0,465,16); graphics.endFill();            
            graphics.beginFill(0,1); graphics.drawRect(0,465-16,465,16); graphics.endFill();            
            graphics.beginFill(0,1); graphics.drawRect(0,0,16,465); graphics.endFill();            
            graphics.beginFill(0,1); graphics.drawRect(465-16,0,16,465); graphics.endFill();            

            
            graphics.beginFill(0, 1);
             graphics.drawCircle(cx,cy, 16);
            graphics.endFill();


            if (state > 0) { return; }
            
            var rad:Number; rad = 16;
            var ms:Number; ms = 8; vx = 0; vy = 0;
            if (isKdown(Keyboard.UP)) { vy-= ms; }
            if (isKdown(Keyboard.DOWN)) { vy+= ms; }
            if (isKdown(Keyboard.LEFT)) {vx-=ms;}
            if (isKdown(Keyboard.RIGHT)) {vx+=ms;}            
            
            if (vx > 0 && isWall(cx+rad, cy)) { vx =0; }
            if (vx < 0 && isWall(cx-rad, cy)) { vx =0; }
            if (vy > 0 && isWall(cx, cy+rad)) { vy =0; }
            if (vy < 0 && isWall(cx, cy-rad)) { vy =0; }
            
            
            cx+=vx; cy+=vy;

            if (isOver(rad, 180, 0, 64,32)) { setState(1); }
            if (isOver(rad, 180, 465-32, 64,32)) { setState(2); }
            if (isOver(rad, 0, 180, 32,64)) { setState(3); }
            if (isOver(rad, 465-32, 180, 32,64)) { setState(3); }
            
        }//onenter
        
    }//classend
}

internal class xBlob
{
   public var cx:Number = 0;
   public var cy:Number = 0;
   public var vx:Number = 0;
   public var vy:Number = 0; 
    
}//xblob