+
+ matrixproto.clone = function () {
+ return new Matrix(this.a, this.b, this.c, this.d, this.e, this.f);
+ };
+
+ matrixproto.translate = function (x, y) {
+ this.add(1, 0, 0, 1, x, y);
+ };
+
+ matrixproto.scale = function (x, y, cx, cy) {
+ y == null && (y = x);
+ (cx || cy) && this.add(1, 0, 0, 1, cx, cy);
+ this.add(x, 0, 0, y, 0, 0);
+ (cx || cy) && this.add(1, 0, 0, 1, -cx, -cy);
+ };
+
+ matrixproto.rotate = function (a, x, y) {
+ a = R.rad(a);
+ x = x || 0;
+ y = y || 0;
+ var cos = +math.cos(a).toFixed(9),
+ sin = +math.sin(a).toFixed(9);
+ this.add(cos, sin, -sin, cos, x, y);
+ this.add(1, 0, 0, 1, -x, -y);
+ };
+
+ matrixproto.x = function (x, y) {
+ return x * this.a + y * this.c + this.e;
+ };
+
+ matrixproto.y = function (x, y) {
+ return x * this.b + y * this.d + this.f;
+ };
+ matrixproto.get = function (i) {
+ return +this[Str.fromCharCode(97 + i)].toFixed(4);
+ };
+ matrixproto.toString = function () {
+ return R.svg ?
+ "matrix(" + [this.get(0), this.get(1), this.get(2), this.get(3), this.get(4), this.get(5)].join() + ")" :
+ [this.get(0), this.get(2), this.get(1), this.get(3), 0, 0].join();
+ };
+ matrixproto.toFilter = function () {
+ return "progid:DXImageTransform.Microsoft.Matrix(M11=" + this.get(0) +
+ ", M12=" + this.get(2) + ", M21=" + this.get(1) + ", M22=" + this.get(3) +
+ ", Dx=" + this.get(4) + ", Dy=" + this.get(5) + ", sizingmethod='auto expand')";
+ };
+ matrixproto.offset = function () {
+ return [this.e.toFixed(4), this.f.toFixed(4)];
+ };
+ function norm(a) {
+ return a[0] * a[0] + a[1] * a[1];
+ }
+ function normalize(a) {
+ var mag = math.sqrt(norm(a));
+ a[0] && (a[0] /= mag);
+ a[1] && (a[1] /= mag);
+ }
+
+ matrixproto.split = function () {
+ var out = {};
+ // translation
+ out.dx = this.e;
+ out.dy = this.f;
+
+ // scale and shear
+ var row = [[this.a, this.c], [this.b, this.d]];
+ out.scalex = math.sqrt(norm(row[0]));
+ normalize(row[0]);
+
+ out.shear = row[0][0] * row[1][0] + row[0][1] * row[1][1];
+ row[1] = [row[1][0] - row[0][0] * out.shear, row[1][1] - row[0][1] * out.shear];
+
+ out.scaley = math.sqrt(norm(row[1]));
+ normalize(row[1]);
+ out.shear /= out.scaley;
+
+ // rotation
+ var sin = -row[0][1],
+ cos = row[1][1];
+ if (cos < 0) {
+ out.rotate = R.deg(math.acos(cos));
+ if (sin < 0) {
+ out.rotate = 360 - out.rotate;
+ }
+ } else {
+ out.rotate = R.deg(math.asin(sin));
+ }
+
+ out.isSimple = !+out.shear.toFixed(9) && (out.scalex.toFixed(9) == out.scaley.toFixed(9) || !out.rotate);
+ out.isSuperSimple = !+out.shear.toFixed(9) && out.scalex.toFixed(9) == out.scaley.toFixed(9) && !out.rotate;
+ out.noRotation = !+out.shear.toFixed(9) && !out.rotate;
+ return out;
+ };
+
+ matrixproto.toTransformString = function (shorter) {
+ var s = shorter || this[split]();
+ if (s.isSimple) {
+ s.scalex = +s.scalex.toFixed(4);
+ s.scaley = +s.scaley.toFixed(4);
+ s.rotate = +s.rotate.toFixed(4);
+ return (s.dx && s.dy ? "t" + [s.dx, s.dy] : E) +
+ (s.scalex != 1 || s.scaley != 1 ? "s" + [s.scalex, s.scaley, 0, 0] : E) +
+ (s.rotate ? "r" + [s.rotate, 0, 0] : E);
+ } else {
+ return "m" + [this.get(0), this.get(1), this.get(2), this.get(3), this.get(4), this.get(5)];
+ }
+ };
+ })(Matrix.prototype);
+
+ // WebKit rendering bug workaround method
+ var version = navigator.userAgent.match(/Version\/(.*?)\s/) || navigator.userAgent.match(/Chrome\/(\d+)/);
+ if ((navigator.vendor == "Apple Computer, Inc.") && (version && version[1] < 4 || navigator.platform.slice(0, 2) == "iP") ||
+ (navigator.vendor == "Google Inc." && version && version[1] < 8)) {
+
+ paperproto.safari = function () {
+ var rect = this.rect(-99, -99, this.width + 99, this.height + 99).attr({stroke: "none"});
+ setTimeout(function () {rect.remove();});
+ };
+ } else {
+ paperproto.safari = fun;
+ }
+
+ var preventDefault = function () {
+ this.returnValue = false;
+ },
+ preventTouch = function () {
+ return this.originalEvent.preventDefault();
+ },
+ stopPropagation = function () {
+ this.cancelBubble = true;
+ },
+ stopTouch = function () {
+ return this.originalEvent.stopPropagation();
+ },
+ addEvent = (function () {
+ if (g.doc.addEventListener) {
+ return function (obj, type, fn, element) {
+ var realName = supportsTouch && touchMap[type] ? touchMap[type] : type,
+ f = function (e) {
+ var scrollY = g.doc.documentElement.scrollTop || g.doc.body.scrollTop,
+ scrollX = g.doc.documentElement.scrollLeft || g.doc.body.scrollLeft,
+ x = e.clientX + scrollX,
+ y = e.clientY + scrollY;
+ if (supportsTouch && touchMap[has](type)) {
+ for (var i = 0, ii = e.targetTouches && e.targetTouches.length; i < ii; i++) {
+ if (e.targetTouches[i].target == obj) {
+ var olde = e;
+ e = e.targetTouches[i];
+ e.originalEvent = olde;
+ e.preventDefault = preventTouch;
+ e.stopPropagation = stopTouch;
+ break;
+ }
+ }
+ }
+ return fn.call(element, e, x, y);
+ };
+ obj.addEventListener(realName, f, false);
+ return function () {
+ obj.removeEventListener(realName, f, false);
+ return true;
+ };
+ };
+ } else if (g.doc.attachEvent) {
+ return function (obj, type, fn, element) {
+ var f = function (e) {
+ e = e || g.win.event;
+ var scrollY = g.doc.documentElement.scrollTop || g.doc.body.scrollTop,
+ scrollX = g.doc.documentElement.scrollLeft || g.doc.body.scrollLeft,
+ x = e.clientX + scrollX,
+ y = e.clientY + scrollY;
+ e.preventDefault = e.preventDefault || preventDefault;
+ e.stopPropagation = e.stopPropagation || stopPropagation;
+ return fn.call(element, e, x, y);
+ };
+ obj.attachEvent("on" + type, f);
+ var detacher = function () {
+ obj.detachEvent("on" + type, f);
+ return true;
+ };
+ return detacher;
+ };
+ }
+ })(),
+ drag = [],
+ dragMove = function (e) {
+ var x = e.clientX,
+ y = e.clientY,
+ scrollY = g.doc.documentElement.scrollTop || g.doc.body.scrollTop,
+ scrollX = g.doc.documentElement.scrollLeft || g.doc.body.scrollLeft,
+ dragi,
+ j = drag.length;
+ while (j--) {
+ dragi = drag[j];
+ if (supportsTouch) {
+ var i = e.touches.length,
+ touch;
+ while (i--) {
+ touch = e.touches[i];
+ if (touch.identifier == dragi.el._drag.id) {
+ x = touch.clientX;
+ y = touch.clientY;
+ (e.originalEvent ? e.originalEvent : e).preventDefault();
+ break;
+ }
+ }
+ } else {
+ e.preventDefault();
+ }
+ var node = dragi.el.node,
+ o,
+ next = node.nextSibling,
+ parent = node.parentNode,
+ display = node.style.display;
+ g.win.opera && parent.removeChild(node);
+ node.style.display = "none";
+ o = dragi.el.paper.getElementByPoint(x, y);
+ node.style.display = display;
+ g.win.opera && (next ? parent.insertBefore(node, next) : parent.appendChild(node));
+ o && eve("drag.over." + dragi.el.id, dragi.el, o);
+ x += scrollX;
+ y += scrollY;
+ eve("drag.move." + dragi.el.id, dragi.move_scope || dragi.el, x - dragi.el._drag.x, y - dragi.el._drag.y, x, y, e);
+ }
+ },
+ dragUp = function (e) {
+ R.unmousemove(dragMove).unmouseup(dragUp);
+ var i = drag.length,
+ dragi;
+ while (i--) {
+ dragi = drag[i];
+ dragi.el._drag = {};
+ eve("drag.end." + dragi.el.id, dragi.end_scope || dragi.start_scope || dragi.move_scope || dragi.el, e);
+ }
+ drag = [];
+ },
+
+ elproto = R.el = {};
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ for (var i = events.length; i--;) {
+ (function (eventName) {
+ R[eventName] = elproto[eventName] = function (fn, scope) {
+ if (R.is(fn, "function")) {
+ this.events = this.events || [];
+ this.events.push({name: eventName, f: fn, unbind: addEvent(this.shape || this.node || g.doc, eventName, fn, scope || this)});
+ }
+ return this;
+ };
+ R["un" + eventName] = elproto["un" + eventName] = function (fn) {
+ var events = this.events,
+ l = events.length;
+ while (l--) if (events[l].name == eventName && events[l].f == fn) {
+ events[l].unbind();
+ events.splice(l, 1);
+ !events.length && delete this.events;
+ return this;
+ }
+ return this;
+ };
+ })(events[i]);
+ }
+
+
+ elproto.data = function (key, value) {
+ var data = eldata[this.id] = eldata[this.id] || {};
+ if (arguments.length == 1) {
+ if (R.is(key, "object")) {
+ for (var i in key) if (key[has](i)) {
+ this.data(i, key[i]);
+ }
+ return this;
+ }
+ eve("data.get." + this.id, this, data[key], key);
+ return data[key];
+ }
+ data[key] = value;
+ eve("data.set." + this.id, this, value, key);
+ return this;
+ };
+
+ elproto.removeData = function (key) {
+ if (key == null) {
+ eldata[this.id] = {};
+ } else {
+ eldata[this.id] && delete eldata[this.id][key];
+ }
+ return this;
+ };
+
+ elproto.hover = function (f_in, f_out, scope_in, scope_out) {
+ return this.mouseover(f_in, scope_in).mouseout(f_out, scope_out || scope_in);
+ };
+
+ elproto.unhover = function (f_in, f_out) {
+ return this.unmouseover(f_in).unmouseout(f_out);
+ };
+ var draggable = [];
+
+ elproto.drag = function (onmove, onstart, onend, move_scope, start_scope, end_scope) {
+ function start(e) {
+ (e.originalEvent || e).preventDefault();
+ var scrollY = g.doc.documentElement.scrollTop || g.doc.body.scrollTop,
+ scrollX = g.doc.documentElement.scrollLeft || g.doc.body.scrollLeft;
+ this._drag.x = e.clientX + scrollX;
+ this._drag.y = e.clientY + scrollY;
+ this._drag.id = e.identifier;
+ !drag.length && R.mousemove(dragMove).mouseup(dragUp);
+ drag.push({el: this, move_scope: move_scope, start_scope: start_scope, end_scope: end_scope});
+ onstart && eve.on("drag.start." + this.id, onstart);
+ onmove && eve.on("drag.move." + this.id, onmove);
+ onend && eve.on("drag.end." + this.id, onend);
+ eve("drag.start." + this.id, start_scope || move_scope || this, e.clientX + scrollX, e.clientY + scrollY, e);
+ }
+ this._drag = {};
+ draggable.push({el: this, start: start});
+ this.mousedown(start);
+ return this;
+ };
+
+ elproto.onDragOver = function (f) {
+ f ? eve.on("drag.over." + this.id, f) : eve.unbind("drag.over." + this.id);
+ };
+
+ elproto.undrag = function () {
+ var i = draggable.length;
+ while (i--) if (draggable[i].el == this) {
+ this.unmousedown(draggable[i].start);
+ draggable.splice(i, 1);
+ eve.unbind("drag.*." + this.id);
+ }
+ !draggable.length && R.unmousemove(dragMove).unmouseup(dragUp);
+ };
+
+ paperproto.circle = function (x, y, r) {
+ var out = R._engine.circle(this, x || 0, y || 0, r || 0);
+ this.__set__ && this.__set__.push(out);
+ return out;
+ };
+
+ paperproto.rect = function (x, y, w, h, r) {
+ var out = R._engine.rect(this, x || 0, y || 0, w || 0, h || 0, r || 0);
+ this.__set__ && this.__set__.push(out);
+ return out;
+ };
+
+ paperproto.ellipse = function (x, y, rx, ry) {
+ var out = R._engine.ellipse(this, x || 0, y || 0, rx || 0, ry || 0);
+ this.__set__ && this.__set__.push(out);
+ return out;
+ };
+
+ paperproto.path = function (pathString) {
+ pathString && !R.is(pathString, string) && !R.is(pathString[0], array) && (pathString += E);
+ var out = R._engine.path(R.format[apply](R, arguments), this);
+ this.__set__ && this.__set__.push(out);
+ return out;
+ };
+
+ paperproto.image = function (src, x, y, w, h) {
+ var out = R._engine.image(this, src || "about:blank", x || 0, y || 0, w || 0, h || 0);
+ this.__set__ && this.__set__.push(out);
+ return out;
+ };
+
+ paperproto.text = function (x, y, text) {
+ var out = R._engine.text(this, x || 0, y || 0, Str(text));
+ this.__set__ && this.__set__.push(out);
+ return out;
+ };
+
+ paperproto.set = function (itemsArray) {
+ !R.is(itemsArray, "array") && (itemsArray = Array.prototype.splice.call(arguments, 0, arguments.length));
+ var out = new Set(itemsArray);
+ this.__set__ && this.__set__.push(out);
+ return out;
+ };
+
+ paperproto.setStart = function (set) {
+ this.__set__ = set || this.set();
+ };
+
+ paperproto.setFinish = function (set) {
+ var out = this.__set__;
+ delete this.__set__;
+ return out;
+ };
+
+ paperproto.setSize = function (width, height) {
+ return R._engine.setSize.call(this, width, height);
+ };
+
+ paperproto.setViewBox = function (x, y, w, h, fit) {
+ return R._engine.setViewBox.call(this, x, y, w, h, fit);
+ };
+
+
+ paperproto.top = paperproto.bottom = null;
+
+ paperproto.raphael = R;
+ var getOffset = function (elem) {
+ var box = elem.getBoundingClientRect(),
+ doc = elem.ownerDocument,
+ body = doc.body,
+ docElem = doc.documentElement,
+ clientTop = docElem.clientTop || body.clientTop || 0, clientLeft = docElem.clientLeft || body.clientLeft || 0,
+ top = box.top + (g.win.pageYOffset || docElem.scrollTop || body.scrollTop ) - clientTop,
+ left = box.left + (g.win.pageXOffset || docElem.scrollLeft || body.scrollLeft) - clientLeft;
+ return {
+ y: top,
+ x: left
+ };
+ };
+
+ paperproto.getElementByPoint = function (x, y) {
+ var paper = this,
+ svg = paper.canvas,
+ target = g.doc.elementFromPoint(x, y);
+ if (g.win.opera && target.tagName == "svg") {
+ var so = getOffset(svg),
+ sr = svg.createSVGRect();
+ sr.x = x - so.x;
+ sr.y = y - so.y;
+ sr.width = sr.height = 1;
+ var hits = svg.getIntersectionList(sr, null);
+ if (hits.length) {
+ target = hits[hits.length - 1];
+ }
+ }
+ if (!target) {
+ return null;
+ }
+ while (target.parentNode && target != svg.parentNode && !target.raphael) {
+ target = target.parentNode;
+ }
+ target == paper.canvas.parentNode && (target = svg);
+ target = target && target.raphael ? paper.getById(target.raphaelid) : null;
+ return target;
+ };
+
+ paperproto.getById = function (id) {
+ var bot = this.bottom;
+ while (bot) {
+ if (bot.id == id) {
+ return bot;
+ }
+ bot = bot.next;
+ }
+ return null;
+ };
+
+ paperproto.forEach = function (callback, thisArg) {
+ var bot = this.bottom;
+ while (bot) {
+ if (callback.call(thisArg, bot) === false) {
+ return this;
+ }
+ bot = bot.next;
+ }
+ return this;
+ };
+ function x_y() {
+ return this.x + S + this.y;
+ }
+ function x_y_w_h() {
+ return this.x + S + this.y + S + this.width + " \xd7 " + this.height;
+ }
+
+ elproto.getBBox = function (isWithoutTransform) {
+ if (this.removed) {
+ return {};
+ }
+ var _ = this._;
+ if (isWithoutTransform) {
+ if (_.dirty || !_.bboxwt) {
+ this.realPath = getPath[this.type](this);
+ _.bboxwt = pathDimensions(this.realPath);
+ _.bboxwt.toString = x_y_w_h;
+ _.dirty = 0;
+ }
+ return _.bboxwt;
+ }
+ if (_.dirty || _.dirtyT || !_.bbox) {
+ if (_.dirty || !this.realPath) {
+ _.bboxwt = 0;
+ this.realPath = getPath[this.type](this);
+ }
+ _.bbox = pathDimensions(mapPath(this.realPath, this.matrix));
+ _.bbox.toString = x_y_w_h;
+ _.dirty = _.dirtyT = 0;
+ }
+ return _.bbox;
+ };
+
+ elproto.clone = function () {
+ if (this.removed) {
+ return null;
+ }
+ var out = this.paper[this.type]().attr(this.attr());
+ this.__set__ && this.__set__.push(out);
+ return out;
+ };
+
+ elproto.glow = function (glow) {
+ if (this.type == "text") {
+ return null;
+ }
+ glow = glow || {};
+ var s = {
+ width: (glow.width || 10) + (+this.attr("stroke-width") || 1),
+ fill: glow.fill || false,
+ opacity: glow.opacity || .5,
+ offsetx: glow.offsetx || 0,
+ offsety: glow.offsety || 0,
+ color: glow.color || "#000"
+ },
+ c = s.width / 2,
+ r = this.paper,
+ out = r.set(),
+ path = this.realPath || getPath[this.type](this);
+ path = this.matrix ? mapPath(path, this.matrix) : path;
+ for (var i = 1; i < c + 1; i++) {
+ out.push(r.path(path).attr({
+ stroke: s.color,
+ fill: s.fill ? s.color : "none",
+ "stroke-linejoin": "round",
+ "stroke-linecap": "round",
+ "stroke-width": +(s.width / c * i).toFixed(3),
+ opacity: +(s.opacity / c).toFixed(3)
+ }));
+ }
+ return out.insertBefore(this).translate(s.offsetx, s.offsety);
+ };
+ var curveslengths = {},
+ getPointAtSegmentLength = function (p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, length) {
+ var len = 0,
+ precision = 100,
+ name = [p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y].join(),
+ cache = curveslengths[name],
+ old, dot;
+ !cache && (curveslengths[name] = cache = {data: []});
+ cache.timer && clearTimeout(cache.timer);
+ cache.timer = setTimeout(function () {delete curveslengths[name];}, 2e3);
+ if (length != null && !cache.precision) {
+ var total = getPointAtSegmentLength(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y);
+ cache.precision = ~~total * 10;
+ cache.data = [];
+ }
+ precision = cache.precision || precision;
+ for (var i = 0; i < precision + 1; i++) {
+ if (cache.data[i * precision]) {
+ dot = cache.data[i * precision];
+ } else {
+ dot = R.findDotsAtSegment(p1x, p1y, c1x, c1y, c2x, c2y, p2x, p2y, i / precision);
+ cache.data[i * precision] = dot;
+ }
+ i && (len += pow(pow(old.x - dot.x, 2) + pow(old.y - dot.y, 2), .5));
+ if (length != null && len >= length) {
+ return dot;
+ }
+ old = dot;
+ }
+ if (length == null) {
+ return len;
+ }
+ },
+ getLengthFactory = function (istotal, subpath) {
+ return function (path, length, onlystart) {
+ path = path2curve(path);
+ var x, y, p, l, sp = "", subpaths = {}, point,
+ len = 0;
+ for (var i = 0, ii = path.length; i < ii; i++) {
+ p = path[i];
+ if (p[0] == "M") {
+ x = +p[1];
+ y = +p[2];
+ } else {
+ l = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6]);
+ if (len + l > length) {
+ if (subpath && !subpaths.start) {
+ point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len);
+ sp += ["C" + point.start.x, point.start.y, point.m.x, point.m.y, point.x, point.y];
+ if (onlystart) {return sp;}
+ subpaths.start = sp;
+ sp = ["M" + point.x, point.y + "C" + point.n.x, point.n.y, point.end.x, point.end.y, p[5], p[6]].join();
+ len += l;
+ x = +p[5];
+ y = +p[6];
+ continue;
+ }
+ if (!istotal && !subpath) {
+ point = getPointAtSegmentLength(x, y, p[1], p[2], p[3], p[4], p[5], p[6], length - len);
+ return {x: point.x, y: point.y, alpha: point.alpha};
+ }
+ }
+ len += l;
+ x = +p[5];
+ y = +p[6];
+ }
+ sp += p.shift() + p;
+ }
+ subpaths.end = sp;
+ point = istotal ? len : subpath ? subpaths : R.findDotsAtSegment(x, y, p[0], p[1], p[2], p[3], p[4], p[5], 1);
+ point.alpha && (point = {x: point.x, y: point.y, alpha: point.alpha});
+ return point;
+ };
+ };
+ var getTotalLength = getLengthFactory(1),
+ getPointAtLength = getLengthFactory(),
+ getSubpathsAtLength = getLengthFactory(0, 1);
+
+ R.getTotalLength = getTotalLength;
+
+ R.getPointAtLength = getPointAtLength;
+
+ R.getSubpath = function (path, from, to) {
+ if (this.getTotalLength(path) - to < 1e-6) {
+ return getSubpathsAtLength(path, from).end;
+ }
+ var a = getSubpathsAtLength(path, to, 1);
+ return from ? getSubpathsAtLength(a, from).end : a;
+ };
+
+ elproto.getTotalLength = function () {
+ if (this.type != "path") {return;}
+ if (this.node.getTotalLength) {
+ return this.node.getTotalLength();
+ }
+ return getTotalLength(this.attrs.path);
+ };
+
+ elproto.getPointAtLength = function (length) {
+ if (this.type != "path") {return;}
+ return getPointAtLength(this.attrs.path, length);
+ };
+
+ elproto.getSubpath = function (from, to) {
+ if (this.type != "path") {return;}
+ return R.getSubpath(this.attrs.path, from, to);
+ };
+
+ var ef = R.easing_formulas = {
+ linear: function (n) {
+ return n;
+ },
+ "<": function (n) {
+ return pow(n, 1.7);
+ },
+ ">": function (n) {
+ return pow(n, .48);
+ },
+ "<>": function (n) {
+ var q = .48 - n / 1.04,
+ Q = math.sqrt(.1734 + q * q),
+ x = Q - q,
+ X = pow(abs(x), 1 / 3) * (x < 0 ? -1 : 1),
+ y = -Q - q,
+ Y = pow(abs(y), 1 / 3) * (y < 0 ? -1 : 1),
+ t = X + Y + .5;
+ return (1 - t) * 3 * t * t + t * t * t;
+ },
+ backIn: function (n) {
+ var s = 1.70158;
+ return n * n * ((s + 1) * n - s);
+ },
+ backOut: function (n) {
+ n = n - 1;
+ var s = 1.70158;
+ return n * n * ((s + 1) * n + s) + 1;
+ },
+ elastic: function (n) {
+ if (n == !!n) {
+ return n;
+ }
+ return pow(2, -10 * n) * math.sin((n - .075) * (2 * PI) / .3) + 1;
+ },
+ bounce: function (n) {
+ var s = 7.5625,
+ p = 2.75,
+ l;
+ if (n < (1 / p)) {
+ l = s * n * n;
+ } else {
+ if (n < (2 / p)) {
+ n -= (1.5 / p);
+ l = s * n * n + .75;
+ } else {
+ if (n < (2.5 / p)) {
+ n -= (2.25 / p);
+ l = s * n * n + .9375;
+ } else {
+ n -= (2.625 / p);
+ l = s * n * n + .984375;
+ }
+ }
+ }
+ return l;
+ }
+ };
+ ef.easeIn = ef["ease-in"] = ef["<"];
+ ef.easeOut = ef["ease-out"] = ef[">"];
+ ef.easeInOut = ef["ease-in-out"] = ef["<>"];
+ ef["back-in"] = ef.backIn;
+ ef["back-out"] = ef.backOut;
+
+ var animationElements = [],
+ requestAnimFrame = window.requestAnimationFrame ||
+ window.webkitRequestAnimationFrame ||
+ window.mozRequestAnimationFrame ||
+ window.oRequestAnimationFrame ||
+ window.msRequestAnimationFrame ||
+ function (callback) {
+ setTimeout(callback, 16);
+ },
+ animation = function () {
+ var Now = +new Date,
+ l = 0;
+ for (; l < animationElements.length; l++) {
+ var e = animationElements[l];
+ if (e.el.removed || e.paused) {
+ continue;