forked from: flash on 2009-12-2

高速化

by bkzen 02 Dec 2009

Embed

/**
 * Copyright bkzen ( http://wonderfl.net/user/bkzen )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/9P05
 */

// 高速化
package {
    import flash.display.Sprite;
    import flash.text.TextField;
    import flash.utils.getTimer;
    import flash.display.BitmapData;
    public class Test extends Sprite {
        private var _tf : TextField;
  
        public function Test() {
            _tf = new TextField();
            _tf.width = 465;
            _tf.height = 465;
            addChild(_tf);
            
            var bmd : BitmapData = new BitmapData(465, 465, false, 0x000000);
            bmd.noise(getTimer());
            
            var s : int = getTimer();
            var max : int = 0;
            var maxk : uint = 0;
            
            var counter : Object = {};
            for(var y : int = 0;y < 465;y++){
                for(var x : int = 0;x < 465;x++){
                    var key : uint = bmd.getPixel(x, y);
                    if (counter[key]) 
                    {
                        if (++counter[key] > max)
                        {
                            max ++;
                            maxk = key;
                        }
                    }
                    else counter[key] = 1;
                }
            }
            /*
            for(var k : String in counter){
                if(max < counter[k]){
                    max = counter[k];
                    maxk = uint(k);
                }
            }
            */
            var g : int = getTimer();
            tr("maxk : #" + maxk.toString(16));
            tr("maxcount : " + max);
            tr((g - s) + " ms");
        }

        private function tr(...o : Array) : void
        {
            _tf.appendText(o + "\n");
        }
    }
}