flash on 2012-9-20

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

package {
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        
        public function FlashTest() {
            // write as3 code here..
            
            graphics.clear();
            graphics.lineStyle(1,0);
            
            var rn:Node;
            rn = new Node(null);
            rn.x = 30;
            rn.y = 30;
            rn.w = 300;
            rn.h = 300;
            rn.test();    
            
            rn.draw(graphics);
            
        }//ctor
        
        
    }//classend
}
import flash.display.Graphics;

internal class Node
{
    public var p:Node;
    
    public var x:Number = 0;
    public var y:Number = 0;
    public var w:Number = 0;
    public var h:Number = 0;
    public var depth:int = 0;
    public var col:uint = 0;
    
    public var vecChild:Vector.<Node>;
    
    public function Node(par:Node)
    {
      p = par;   
      if (p == null) { depth = 0;}
      else { depth = p.depth+1;}
      col = Math.random() * 0xFFffFFff;
    }//ctor
    
    public function test(maxd:int=4):void
    {
        makeChild();
        var i:int;
        var num:int;
        var n:Node;
        num = vecChild.length;
        
        for (i = 0; i < num; i++)
        {
         n = vecChild[i];
          if (Math.random() < 0.75 && depth <maxd)
          { n.test(maxd); }
        }//nexti
        
    }//test
    
    public function draw(g:Graphics):void
    {
        g.beginFill(col,0.5);
        g.drawRect(x,y,w,h);
        g.endFill();
        
        if (vecChild == null) { return; }
        
        var i:int;
        var num:int;
        var n:Node;
        num = vecChild.length;
        for (i = 0; i < num ;i++)
        {
             n=  vecChild[i];
             n.draw(g);   
            }
    }//draw
    
    
    public function makeChild():void
    {
        vecChild = new Vector.<Node>;
        
        var i:int;
        var k:int;
        var kw:Number;
        var kh:Number;
        var n:Node;
        
        kw = w * 0.5;
        kh = h * 0.5;
        
        for (i = 0; i < 2; i++)
        {
            for (k = 0; k < 2; k++)
            {
                n = new Node(this);
                n.x = (k * kw) + x;
                n.y = (i * kh) + y;
                n.w = kw;
                n.h = kh;
                vecChild.push(n);
            }//nextk
        }//nexti
        
    }//makechild
   
    
    
    
};//classend