/*************Continuous Actionsript Tweens - source: www.ursart.com*******************/
import mx.transitions.Tween;
import mx.transitions.easing.*;
import mx.utils.Delegate;
//
class sweetTween {

	private var cycler:MovieClip;

	function sweetTween(loops, replayDelay) {
		//trace("class constructor: sweetTween()");
		cycler = _level0.createEmptyMovieClip("sweetTween" + _level0.getNextHighestDepth(), _level0.getNextHighestDepth());
		cycler.animationLoops = loops;
		cycler.animationDelay = replayDelay;
		cycler.myStartTime = cycler.myCurrentTime = cycler.finishedLoops = 0;

		cycler.movieclips = new Array();
		cycler.myAttributes = new Array();
		cycler.startValues = new Array();
		cycler.endValues = new Array();
		cycler.startTimes = new Array();
		cycler.durations = new Array();
		cycler.easings = new Array();
		cycler.tweens = new Array();
		cycler.played = new Array();
		cycler.executionTimes = new Array();
		cycler.allTweenStop = new Array();
		cycler.allTweenResume = new Array();
		cycler.seriesPaused = false;
	}
	public function addTween(mc, attribute, startValue, endValue, startTime, duration, easing) {
		//trace("public function: addTween()");
		cycler.movieclips.push(mc);
		cycler.myAttributes.push(attribute);
		cycler.startValues.push(startValue);
		cycler.endValues.push(endValue);
		cycler.startTimes.push(startTime);
		cycler.durations.push(duration);
		cycler.easings.push(easing);
		cycler.executionTimes.push(Number(startTime + duration));
		cycler.executionTimes.sort(sortNumber);
		cycler.timeToWait = cycler.executionTimes[(cycler.executionTimes.length) - 1] + cycler.animationDelay;
	}
	public function start() {
		//trace("public function: start()");
		cycler.myStartTime = getTimer();
		cycler.onEnterFrame = Delegate.create(this, tweenOrLoop);
	}
	public function remove() {
		//trace("public function: remove()");
		for (var i:Number = 0; i < cycler.movieclips.length; i++) {
			cycler.allTweenStop = cycler.tweens[i];
			cycler.allTweenStop.stop();
		}
		removeMovieClip(cycler);
	}
	private function makeTweens() {
		//trace("private function: makeTweens()");
		for (var i = 0; i < cycler.movieclips.length; i++) {
			if (cycler.myCurrentTime > cycler.startTimes[i] * 1000 && cycler.played[i] != true) {
				cycler.tweens[i] = new mx.transitions.Tween(cycler.movieclips[i], cycler.myAttributes[i], cycler.easings[i], cycler.startValues[i], cycler.endValues[i], cycler.durations[i], true);
				cycler.played[i] = true;
			}
		}
	}
	private function tweenOrLoop() {
		//trace("private function: tweenOrLoop " + cycler.getDepth());
		cycler.myCurrentTime = getTimer() - cycler.timeToWait * 1000 * cycler.finishedLoops - cycler.myStartTime;
		if (cycler.myCurrentTime > cycler.timeToWait * 1000) {
			if (cycler.finishedLoops < cycler.animationLoops - 1) {
				nextLoop();
			} else {
				for (var i = 0; i < cycler.movieclips.length; i++) {
					cycler.played[i] = false;
				}
				cycler.onEnterFrame = null;
			}
		} else {
			makeTweens();
		}
	}
	private function nextLoop() {
		//trace("private function: nextLoop()");
		cycler.onEnterFrame = null;
		for (var i:Number = 0; i < cycler.movieclips.length; i++) {
			cycler.played[i] = false;
		}
		cycler.finishedLoops = cycler.finishedLoops + 1;
		cycler.onEnterFrame = Delegate.create(this, tweenOrLoop);
	}

	private function sortNumber(a, b) {
		return a - b;
	}
}