import mx.transitions.*;
import mx.transitions.easing.*;
class ScaleSquare {
	private var __target:MovieClip;
	private var __width:Number;
	private var __height:Number;
	private var __xSections:Number;
	private var __ySections:Number;
	private var __sections:Number;
	private var __time:Number;
	private var __random:Boolean;
	private var __easeType;
	private var __intv:Number;
	public var onMotionFinished:Function;
	function ScaleSquare(target:MovieClip, xSections:Number, ySections:Number, width:Number, height:Number, random:Boolean, easeType:Function, duration:Number) {
		var path = this;
		if (target != undefined) {
			__target = target;
			path['endOff'](__target);
			__width = width;
			__height = height;
			__xSections = xSections;
			__ySections = ySections;
			__sections = __xSections*__ySections;
			__random = random;
			__easeType = easeType;
			__time = (duration != undefined) ? (duration*1000)/__sections : 1000/__sections;
			drawMask(__target, __xSections, __ySections, __sections, __width, __height, __random, __easeType);
		}
	}
	private function drawSquare(target:MovieClip, name:String, level:Number, wdt:Number, hgt:Number, col:Number, x:Number, y:Number) {
		target.createEmptyMovieClip(name, level);
		with (target[name]) {
			lineStyle(0, col, 0);
			moveTo(0, 0);
			beginFill(col);
			lineTo(wdt, 0);
			lineTo(wdt, hgt);
			lineTo(0, hgt);
			lineTo(0, 0);
			endFill();
			_x = x;
			_y = y;
		}
	}
	private function drawMask(target:MovieClip, xSections:Number, ySections:Number, sections:Number, width:Number, height:Number, random:Boolean, easeType:Function) {
		target._parent.createEmptyMovieClip("masch"+target._name, target._parent.getNextHighestDepth());
		var sec_wdt:Number = Math.ceil(width/xSections);
		var sec_hgt:Number = Math.ceil(height/ySections);
		target._parent["masch"+target._name]._x = target._x+sec_wdt/2;
		target._parent["masch"+target._name]._y = target._y+sec_hgt/2;
		for (var i = 1; i<=sections; i++) {
			target._parent["masch"+target._name].createEmptyMovieClip("square"+i, i);
			var square:MovieClip = target._parent["masch"+target._name]["square"+i];
			square._xscale = square._yscale=0;
			drawSquare(square, "sq", 1, sec_wdt, sec_hgt, 0x00, -sec_wdt/2, -sec_hgt/2);
			if (i != 1) {
				var squareP:MovieClip = target._parent["masch"+target._name]["square"+Number(i-1)];
				if (squareP._x<width-sec_wdt) {
					square._x = squareP._x+sec_wdt;
					square._y = squareP._y;
				} else {
					square._x = 0;
					square._y = squareP._y+sec_hgt;
				}
			}
		}
		target.setMask(target._parent["masch"+target._name]);
		var path:Object = this;
		path['sec_arr'] = new Array();
		for (var r = 0; r<sections; r++) {
			path['sec_arr'][r] = r+1;
		}
		if (!random) {
			var index:Number = 1;
			path['__intv'] = setInterval(function () {
				path['animateMask'](target, random, path['sec_arr'], index, sections, target._parent["masch"+target._name]["square"+index], easeType);
				index++;
				if (index>sections) {
					clearInterval(path['__intv']);
				}
			}, __time);
		} else {
			path['__intv'] = setInterval(function () {
				var impr:Number = Math.floor(Math.random()*path['sec_arr'].length);
				var index = path['sec_arr'][impr]
				path['sec_arr'].splice(impr, 1);
				path['animateMask'](target, random, path['sec_arr'], index, sections, target._parent["masch"+target._name]["square"+index], easeType);
				if (path['sec_arr'].length<1) {
					clearInterval(path['__intv']);
				}
			}, __time);
		}
	}
	private function animateMask(target:MovieClip, random:Boolean, ver_arr:Array, index:Number, sections:Number, mc:MovieClip, easeType:Function) {
		var path = this;
		var tweenX = new Tween(mc, "_xscale", easeType, 0, 100, 30, false);
		var tweenY = new Tween(mc, "_yscale", easeType, 0, 100, 30, false);
		if (!random) {
			if (index == sections) {
				tweenX.onMotionFinished = function() {
					path['endOff'](target);
				};
			}
		} else {
			if (ver_arr.length < 1) {
				tweenX.onMotionFinished = function() {
					path['endOff'](target);
				};
			}
		}
	}
	private function endOff(target:MovieClip) {
		target.setMask(null);
		for (var prop in target._parent["masch"+target._name]) {
			if (typeof (target._parent["masch"+target._name][prop]) == "movieclip") {
				target._parent["masch"+target._name][prop].removeMovieClip();
			}
		}
		target._parent["masch"+target._name].removeMovieClip();
		this['onMotionFinished']();
	}
}