flash on 2011-7-22

/**
 * Copyright yama3 ( http://wonderfl.net/user/yama3 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/z10E
 */

package {
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    
    [SWF(width='400', height='500', backgroundColor='0x000000', frameRate='60')]
    public class FlashTest extends Sprite {
        private var _squares:Vector.<Square>;
        private var _buffer:Bitmap;
        private var _tick:int = 0;
        private const _tickMax:int = 15;
        
        public function FlashTest() {
            _buffer = new Bitmap(new BitmapData(500,500,false,0x0),"auto",false);
            _squares = new Vector.<Square>(100);
            addEventListener(Event.ENTER_FRAME, update);
            addChild(_buffer);
            _buffer.x = -50;
            for(var i:int=0; i<500/50; i++) {
                for(var j:int=0; j<500/50; j++) {
                    _squares[(i*10)+j] = new Square(i*50, j*50);
                }
            }            
        }
        public function update(e:Event):void {
            _tick++;
            if(_tick > _tickMax) {
                for(var i:int=0; i<100; i++) {
                    _squares[i].colorize();
                    _squares[i].render(_buffer.bitmapData);
                }
                _tick = 0;
            }
        }
    }
}

import flash.display.AVM1Movie;
import flash.display.Shape;
import flash.geom.Rectangle;
import flash.display.Sprite;
import flash.display.BitmapData;
internal class Square {
    private var myColor:uint;
    private var x:Number;
    private var y:Number;
    private var rect:Rectangle;
    public function Square(X:Number, Y:Number):void {
        x = X;
        y = Y;
        rect = new Rectangle(x, y, 50, 50);
        colorize();
    }
    public function colorize():void {
        myColor = Math.random()*0xffffff;
    }
    public function render(target:BitmapData):void {
        target.fillRect(rect, myColor);
    }
}