mover fotogramas clave en la linea de tiempo

[zaida]

Código:

//draw mask with specified type, a, b is the side width of the corner
	private._drawMask = function (mask, type, a, b) {
		var w		= this._pageWidth;
		var h		= this._pageHeight;
		mask.clear();
		mask.beginFill(0, 20);
		mask.moveTo(type <= 1 || type > 10 ? 0 : w, 0);
		mask.lineTo(type > 10 ? w - a : a, 0);
		switch (type) {
		case 0:		//triangle (flip page)
			mask.lineTo(0, b);
			break;
		case 1:		//quadrangle (flip page)
			mask.lineTo(b, h);
			mask.lineTo(0, h);
			break;
		case 2:		//quadrangle
			mask.lineTo(b, h);
			break;
		case 12:	//quadrangle (shadow)
			mask.lineTo(w - b, h);
			break;
		case 3:		//pentagon
			mask.lineTo(0, b);
			mask.lineTo(0, h);
			break;
		case 13:	//pentagon (shadow)
			mask.lineTo(w, b);
			mask.lineTo(w, h);
			break;
		}
		if (type > 1) {
			mask.lineTo(type < 10 ? w : -w, h);
			mask.lineTo(type < 10 ? w : -w, 0);
		}
		if (type <= 1 || type > 10) mask.lineTo(0, 0);
		mask.endFill();
	};

	//reset the flip areas in the specified page
	private._setFlipArea = function (page) {
		if (page.side < 0) {
			var name1		= ["leftTopInner", "leftBottomInner", "leftTop", "leftBottom"];
		} else {
			var name1		= ["rightTopInner", "rightBottomInner", "rightTop", "rightBottom"];
		}
		var name2			= ["faTopInner", "faBottomInner", "faTop", "faBottom"];
		var width			= -page.side * this._flipSize.width / 100 * this._pageWidth;
		var height			= this._flipSize.height / 100 * this._pageHeight;
		var innerWidth		= -page.side * this._flipSize.innerWidth / 100 * this._pageWidth;
		var innerHeight		= this._flipSize.innerHeight / 100 * this._pageHeight;
		for (var i = 0; i < 4; i++) {
			if (this._flipArea[name1[i]]) {
				var fa		= page[name2[i]];
				if (fa == null) {
					fa		= page[name2[i]] = page.face.attachMovie("HotArea", "FlipArea"+i, this._flipAreaDepth+i);
					fa.onPress			= this._faPress;
					fa.onRelease		= this._faRelease;
					fa.onReleaseOutside	= this._faRelease;
					fa.enabled			= this._active;
				}
				fa._y		= i%2 == 0 ? 0 : this._pageHeight;
				fa._xscale	= i > 1 ? width : innerWidth;
				fa._yscale	= (i%2 == 0 ? 1 : -1) * (i > 1 ? height : innerHeight);
			} else if (page[name2[i]] != null) {
				page[name2[i]].removeMovieClip();
				page[name2[i]]			= null;
			}
		}
		this.handleEvent("onSetFlipArea", page);
	};

	//adjust the size of the flip areas in the specified page
	private._adjustFlipSize = function (page) {
		var name			= ["faTopInner", "faBottomInner", "faTop", "faBottom"];
		var pageHeight		= this._pageHeight;
		var width			= -page.side * this._flipSize.width / 100 * this._pageWidth;
		var height			= this._flipSize.height / 100 * pageHeight;
		var innerWidth		= -page.side * this._flipSize.innerWidth / 100 * this._pageWidth;
		var innerHeight		= this._flipSize.innerHeight / 100 * pageHeight;
		for (var i = 0; i < 4; i++) {
			var fa			= page[name[i]];
			if (fa == null) continue;
			fa._y			= (i%2 == 0 ? 0 : pageHeight) - (page.position.top < 0 ? pageHeight : 0);
			fa._xscale		= i > 1 ? width : innerWidth;
			fa._yscale		= (i%2 == 0 ? 1 : -1) * (i > 1 ? height : innerHeight);
		}
	};

	//onPress event handler of flip areas
	private._faPress = function () {
		this._parent._parent.main.startFlip(this._parent._parent.index,
			{FlipArea0:"topInner", FlipArea1:"bottomInner", FlipArea2:"top", FlipArea3:"bottom"}[this._name]);
	};

	//onPress event handler of flip areas
	private._faRelease = function () {
		this._parent._parent.main.stopFlip(this._parent._parent.index);
	};

	//onMouseMove event handler
	private._onMouseMove = function () {
		var mx	= this._xmouse;
		var my	= this._ymouse;
		for (var i in this._flipPages) {
			var pos			= this._pages[i].position;
			if (pos.trackMouse) {
				pos.aimX	= mx;
				pos.aimY	= my;
			}
		}
	};

	//adjust position according to the neighbour pages
	private._adjustPagePos = function (page) {
		var pos			= page.position;
		if (pos == null) return;
		var range		= this._getMaskRange(-page.side*pos.x, pos.top>0 ? pos.y : this._pageHeight-pos.y);
		var innerRange	= this._flipPages[page.index + 2*page.side].position.range;
		var outterRange	= this._flipPages[page.index - 2*page.side].position.range;
		var a			= range.a;
		var b			= range.b;
		var type		= range.type;
		if (innerRange != null) {
			if (a > innerRange.a) a = innerRange.a;
			if (type > innerRange.type) {
				type	= innerRange.type;
				b		= innerRange.b;
			} else if (type == innerRange.type && b > innerRange.b) {
				b		= innerRange.b;
			}
		}
		if (outterRange != null) {
			if (a < outterRange.a) a = outterRange.a;
			if (type < outterRange.type) {
				type	= outterRange.type;
				b		= outterRange.b;
			} else if (type == outterRange.type && b < outterRange.b) {
				b		= outterRange.b;
			}
		}
		if (a == range.a && b == range.b && type == range.type) {
			pos.range	= range;
		} else {
			var angle	= (type == 0 ? Math.atan2(b, a) : Math.atan2(this._pageHeight, a - b)) * 2;
			pos.range	= this._getMaskRange(this._pageWidth - a * (1-Math.cos(angle)), a * Math.sin(angle));
		}
		this._adjustPage(page);
	};

	//set the settings of boundary shade or page shadow
	private._shadeSetting = function (name, value) {
		var mcName		= {_shade:"shade", _pageShadow:"shadow"}[name];
		var setting		= this[name];
		if (value.show != null) setting.show = value.show ? true : false;
		if (value.color != null) setting.color = parseInt(value.color) & 0xffffff;
		var rangeName	= {sizeMin:0, sizeMax:1, alphaMin:2, alphaMax:3};
		for (var i in rangeName) {
			if (value[i] != null) setting[i] = value[i] > 0 ? Number(value[i]) : 0;
		}
		var width		= this._pageWidth;
		for (var i in this._pages) {
			var page	= this._pages[i];
			var mc		= page[mcName];
			if (!setting.show && mc != null) {
				mc.removeMovieClip();
				mc		= page[mcName] = null;
			}
			if (!setting.show) return;
			if (mc == null) {
				mc		= name == "_shade"
						? (page.shade = page.face.attachMovie("PageShade", "ShadeMC", this._shadeDepth))
						: (page.shadow = page.attachMovie("PageShade", "ShadowMC", this._shadowDepth));
			}
			(new Color(mc)).setRGB(setting.color);
			if (name == "_shadow") {
				mc._visible		= page.position != null;

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