Forked from:: 9re's Using Easing Funcitons

forked from: Using Easing Funcitons

forked:2
favorite:12
lines:62
license : MIT License
modified : 2009-06-19 16:25:14

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// forked from 9re's Using Easing Funcitons
package {
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.events.TimerEvent;
    import flash.filters.BlurFilter;
	import flash.geom.ColorTransform;
    import flash.geom.Point;
	import flash.geom.Rectangle;
    import flash.utils.Timer;
    
    import mx.effects.easing.*;
    import frocessing.color.ColorHSV;
    import caurina.transitions.Equations;
    
    [SWF(width = '465', height = '465', frameRate = '20', backgroundColor='#1a1a1a') ]
    public class EasingFunctionTest extends Sprite {
        private var _time:int = 0;
        private var _bd:BitmapData;
        private var _converter:ColorHSV = new ColorHSV();
        private var _s:int = 100;
		private var currentColor:int = Math.random() * 360;
		private var colorIncreaseHorizontal:int = 10;
		private var currentSat:Number = 1;
		private var satIncrease:Number = 0.01;
		
        
        public function EasingFunctionTest() {
            _bd = new BitmapData(_s, _s, false, 0);
            addChild(new Bitmap(_bd));
			//_bd.applyFilter(_bd, _bd.rect, zero, blur);
            getChildAt(0).scaleX = getChildAt(0).scaleY = 4.65/// 2;
            
            addEventListener(Event.ENTER_FRAME, enterFrameHandler);
            
           // var timer:Timer = new Timer(1000 / stage.frameRate);
            //timer.addEventListener(TimerEvent.TIMER, timerHandler);
           // timer.start();
        }
        
//		private var blur:BlurFilter = new BlurFilter(0, 32, 2);
	        private var blur:BlurFilter = new BlurFilter(32, 32, 3);
		private var color:ColorTransform = new ColorTransform(1, 1, 1, 1, 0, 0, 0, -16);
		private var zero:Point = new Point(0, 0);
		
        private function timerHandler(e:TimerEvent):void {
//                _bd.lock();
		    
  //              _bd.unlock();
        }
        
		private var rec:Rectangle = new Rectangle(0, 0, _s, _s);
        private function enterFrameHandler(e:Event):void {
            var i:int, j:int;
			var loop:int = 800
			//_converter.
			currentColor = (currentColor + colorIncreaseHorizontal)// % 720;j
			
			
			if (currentSat >= 2 && satIncrease >=  0) satIncrease *= -1;
			else if (currentSat <= 0.5 && satIncrease <= 0) satIncrease *= -1;
			
		//	currentSat = (currentSat + satIncrease);
            _bd.lock();
            for (i = 0; i < _s; ++i)
			{
                for (j = 0; j < _s; ++j)
				{
                    _converter.hsv
					(
						currentColor + Equations.easeOutInQuad(i, _time, loop + _time, _s),
						currentSat,
						Equations.easeInOutElastic(j, 0.1, 1 + Math.random(), _s)
					);
					//
					
					if(Math.random() < 0.5)
						_bd.setPixel(i, j, _converter.value );
                }
            }
            _bd.applyFilter(_bd, _bd.rect, zero, blur);	
            _bd.unlock();
			//_bd.colorTransform(rec, color);
			//trace(_time)
            //_time += stage.frameRate / 10;
            //_time %= stage.frameRate * 10;
        }
    }
}

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