gsap
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GSAP is a JavaScript library for building high-performance animations that work in **every** major browser. Animate CSS, SVG, canvas, React, Vue, WebGL, colors, strings, motion paths, generic objects...anything JavaScript can touch! The ScrollTrigger plug
1,636 lines (1,395 loc) • 151 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(global = global || self, factory(global.window = global.window || {}));
}(this, (function (exports) { 'use strict';
function _inheritsLoose(subClass, superClass) {
subClass.prototype = Object.create(superClass.prototype);
subClass.prototype.constructor = subClass;
subClass.__proto__ = superClass;
}
function _assertThisInitialized(self) {
if (self === void 0) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return self;
}
/*!
* GSAP 3.4.2
* https://greensock.com
*
* @license Copyright 2008-2020, GreenSock. All rights reserved.
* Subject to the terms at https://greensock.com/standard-license or for
* Club GreenSock members, the agreement issued with that membership.
* @author: Jack Doyle, jack@greensock.com
*/
var _config = {
autoSleep: 120,
force3D: "auto",
nullTargetWarn: 1,
units: {
lineHeight: ""
}
},
_defaults = {
duration: .5,
overwrite: false,
delay: 0
},
_bigNum = 1e8,
_tinyNum = 1 / _bigNum,
_2PI = Math.PI * 2,
_HALF_PI = _2PI / 4,
_gsID = 0,
_sqrt = Math.sqrt,
_cos = Math.cos,
_sin = Math.sin,
_isString = function _isString(value) {
return typeof value === "string";
},
_isFunction = function _isFunction(value) {
return typeof value === "function";
},
_isNumber = function _isNumber(value) {
return typeof value === "number";
},
_isUndefined = function _isUndefined(value) {
return typeof value === "undefined";
},
_isObject = function _isObject(value) {
return typeof value === "object";
},
_isNotFalse = function _isNotFalse(value) {
return value !== false;
},
_windowExists = function _windowExists() {
return typeof window !== "undefined";
},
_isFuncOrString = function _isFuncOrString(value) {
return _isFunction(value) || _isString(value);
},
_isArray = Array.isArray,
_strictNumExp = /(?:-?\.?\d|\.)+/gi,
_numExp = /[-+=.]*\d+[.e\-+]*\d*[e\-\+]*\d*/g,
_numWithUnitExp = /[-+=.]*\d+[.e-]*\d*[a-z%]*/g,
_complexStringNumExp = /[-+=.]*\d+(?:\.|e-|e)*\d*/gi,
_parenthesesExp = /\(([^()]+)\)/i,
_relExp = /[+-]=-?[\.\d]+/,
_delimitedValueExp = /[#\-+.]*\b[a-z\d-=+%.]+/gi,
_globalTimeline,
_win,
_coreInitted,
_doc,
_globals = {},
_installScope = {},
_coreReady,
_install = function _install(scope) {
return (_installScope = _merge(scope, _globals)) && gsap;
},
_missingPlugin = function _missingPlugin(property, value) {
return console.warn("Invalid property", property, "set to", value, "Missing plugin? gsap.registerPlugin()");
},
_warn = function _warn(message, suppress) {
return !suppress && console.warn(message);
},
_addGlobal = function _addGlobal(name, obj) {
return name && (_globals[name] = obj) && _installScope && (_installScope[name] = obj) || _globals;
},
_emptyFunc = function _emptyFunc() {
return 0;
},
_reservedProps = {},
_lazyTweens = [],
_lazyLookup = {},
_lastRenderedFrame,
_plugins = {},
_effects = {},
_nextGCFrame = 30,
_harnessPlugins = [],
_callbackNames = "",
_harness = function _harness(targets) {
var target = targets[0],
harnessPlugin,
i;
if (!_isObject(target) && !_isFunction(target)) {
targets = [targets];
}
if (!(harnessPlugin = (target._gsap || {}).harness)) {
i = _harnessPlugins.length;
while (i-- && !_harnessPlugins[i].targetTest(target)) {}
harnessPlugin = _harnessPlugins[i];
}
i = targets.length;
while (i--) {
targets[i] && (targets[i]._gsap || (targets[i]._gsap = new GSCache(targets[i], harnessPlugin))) || targets.splice(i, 1);
}
return targets;
},
_getCache = function _getCache(target) {
return target._gsap || _harness(toArray(target))[0]._gsap;
},
_getProperty = function _getProperty(target, property) {
var currentValue = target[property];
return _isFunction(currentValue) ? target[property]() : _isUndefined(currentValue) && target.getAttribute(property) || currentValue;
},
_forEachName = function _forEachName(names, func) {
return (names = names.split(",")).forEach(func) || names;
},
_round = function _round(value) {
return Math.round(value * 100000) / 100000 || 0;
},
_arrayContainsAny = function _arrayContainsAny(toSearch, toFind) {
var l = toFind.length,
i = 0;
for (; toSearch.indexOf(toFind[i]) < 0 && ++i < l;) {}
return i < l;
},
_parseVars = function _parseVars(params, type, parent) {
var isLegacy = _isNumber(params[1]),
varsIndex = (isLegacy ? 2 : 1) + (type < 2 ? 0 : 1),
vars = params[varsIndex],
irVars;
if (isLegacy) {
vars.duration = params[1];
}
vars.parent = parent;
if (type) {
irVars = vars;
while (parent && !("immediateRender" in irVars)) {
irVars = parent.vars.defaults || {};
parent = _isNotFalse(parent.vars.inherit) && parent.parent;
}
vars.immediateRender = _isNotFalse(irVars.immediateRender);
if (type < 2) {
vars.runBackwards = 1;
} else {
vars.startAt = params[varsIndex - 1];
}
}
return vars;
},
_lazyRender = function _lazyRender() {
var l = _lazyTweens.length,
a = _lazyTweens.slice(0),
i,
tween;
_lazyLookup = {};
_lazyTweens.length = 0;
for (i = 0; i < l; i++) {
tween = a[i];
tween && tween._lazy && (tween.render(tween._lazy[0], tween._lazy[1], true)._lazy = 0);
}
},
_lazySafeRender = function _lazySafeRender(animation, time, suppressEvents, force) {
_lazyTweens.length && _lazyRender();
animation.render(time, suppressEvents, force);
_lazyTweens.length && _lazyRender();
},
_numericIfPossible = function _numericIfPossible(value) {
var n = parseFloat(value);
return (n || n === 0) && (value + "").match(_delimitedValueExp).length < 2 ? n : value;
},
_passThrough = function _passThrough(p) {
return p;
},
_setDefaults = function _setDefaults(obj, defaults) {
for (var p in defaults) {
p in obj || (obj[p] = defaults[p]);
}
return obj;
},
_setKeyframeDefaults = function _setKeyframeDefaults(obj, defaults) {
for (var p in defaults) {
if (!(p in obj) && p !== "duration" && p !== "ease") {
obj[p] = defaults[p];
}
}
},
_merge = function _merge(base, toMerge) {
for (var p in toMerge) {
base[p] = toMerge[p];
}
return base;
},
_mergeDeep = function _mergeDeep(base, toMerge) {
for (var p in toMerge) {
base[p] = _isObject(toMerge[p]) ? _mergeDeep(base[p] || (base[p] = {}), toMerge[p]) : toMerge[p];
}
return base;
},
_copyExcluding = function _copyExcluding(obj, excluding) {
var copy = {},
p;
for (p in obj) {
p in excluding || (copy[p] = obj[p]);
}
return copy;
},
_inheritDefaults = function _inheritDefaults(vars) {
var parent = vars.parent || _globalTimeline,
func = vars.keyframes ? _setKeyframeDefaults : _setDefaults;
if (_isNotFalse(vars.inherit)) {
while (parent) {
func(vars, parent.vars.defaults);
parent = parent.parent || parent._dp;
}
}
return vars;
},
_arraysMatch = function _arraysMatch(a1, a2) {
var i = a1.length,
match = i === a2.length;
while (match && i-- && a1[i] === a2[i]) {}
return i < 0;
},
_addLinkedListItem = function _addLinkedListItem(parent, child, firstProp, lastProp, sortBy) {
if (firstProp === void 0) {
firstProp = "_first";
}
if (lastProp === void 0) {
lastProp = "_last";
}
var prev = parent[lastProp],
t;
if (sortBy) {
t = child[sortBy];
while (prev && prev[sortBy] > t) {
prev = prev._prev;
}
}
if (prev) {
child._next = prev._next;
prev._next = child;
} else {
child._next = parent[firstProp];
parent[firstProp] = child;
}
if (child._next) {
child._next._prev = child;
} else {
parent[lastProp] = child;
}
child._prev = prev;
child.parent = child._dp = parent;
return child;
},
_removeLinkedListItem = function _removeLinkedListItem(parent, child, firstProp, lastProp) {
if (firstProp === void 0) {
firstProp = "_first";
}
if (lastProp === void 0) {
lastProp = "_last";
}
var prev = child._prev,
next = child._next;
if (prev) {
prev._next = next;
} else if (parent[firstProp] === child) {
parent[firstProp] = next;
}
if (next) {
next._prev = prev;
} else if (parent[lastProp] === child) {
parent[lastProp] = prev;
}
child._next = child._prev = child.parent = null;
},
_removeFromParent = function _removeFromParent(child, onlyIfParentHasAutoRemove) {
child.parent && (!onlyIfParentHasAutoRemove || child.parent.autoRemoveChildren) && child.parent.remove(child);
child._act = 0;
},
_uncache = function _uncache(animation) {
var a = animation;
while (a) {
a._dirty = 1;
a = a.parent;
}
return animation;
},
_recacheAncestors = function _recacheAncestors(animation) {
var parent = animation.parent;
while (parent && parent.parent) {
parent._dirty = 1;
parent.totalDuration();
parent = parent.parent;
}
return animation;
},
_hasNoPausedAncestors = function _hasNoPausedAncestors(animation) {
return !animation || animation._ts && _hasNoPausedAncestors(animation.parent);
},
_elapsedCycleDuration = function _elapsedCycleDuration(animation) {
return animation._repeat ? _animationCycle(animation._tTime, animation = animation.duration() + animation._rDelay) * animation : 0;
},
_animationCycle = function _animationCycle(tTime, cycleDuration) {
return (tTime /= cycleDuration) && ~~tTime === tTime ? ~~tTime - 1 : ~~tTime;
},
_parentToChildTotalTime = function _parentToChildTotalTime(parentTime, child) {
return (parentTime - child._start) * child._ts + (child._ts >= 0 ? 0 : child._dirty ? child.totalDuration() : child._tDur);
},
_setEnd = function _setEnd(animation) {
return animation._end = _round(animation._start + (animation._tDur / Math.abs(animation._ts || animation._rts || _tinyNum) || 0));
},
_alignPlayhead = function _alignPlayhead(animation, totalTime) {
var parent = animation._dp;
if (parent && parent.smoothChildTiming && animation._ts) {
animation._start = _round(animation._dp._time - (animation._ts > 0 ? totalTime / animation._ts : ((animation._dirty ? animation.totalDuration() : animation._tDur) - totalTime) / -animation._ts));
_setEnd(animation);
parent._dirty || _uncache(parent);
}
return animation;
},
_postAddChecks = function _postAddChecks(timeline, child) {
var t;
if (child._time || child._initted && !child._dur) {
t = _parentToChildTotalTime(timeline.rawTime(), child);
if (!child._dur || _clamp(0, child.totalDuration(), t) - child._tTime > _tinyNum) {
child.render(t, true);
}
}
if (_uncache(timeline)._dp && timeline._initted && timeline._time >= timeline._dur && timeline._ts) {
if (timeline._dur < timeline.duration()) {
t = timeline;
while (t._dp) {
t.rawTime() >= 0 && t.totalTime(t._tTime);
t = t._dp;
}
}
timeline._zTime = -_tinyNum;
}
},
_addToTimeline = function _addToTimeline(timeline, child, position, skipChecks) {
child.parent && _removeFromParent(child);
child._start = _round(position + child._delay);
child._end = _round(child._start + (child.totalDuration() / Math.abs(child.timeScale()) || 0));
_addLinkedListItem(timeline, child, "_first", "_last", timeline._sort ? "_start" : 0);
timeline._recent = child;
skipChecks || _postAddChecks(timeline, child);
return timeline;
},
_scrollTrigger = function _scrollTrigger(animation, trigger) {
return (_globals.ScrollTrigger || _missingPlugin("scrollTrigger", trigger)) && _globals.ScrollTrigger.create(trigger, animation);
},
_attemptInitTween = function _attemptInitTween(tween, totalTime, force, suppressEvents) {
_initTween(tween, totalTime);
if (!tween._initted) {
return 1;
}
if (!force && tween._pt && (tween._dur && tween.vars.lazy !== false || !tween._dur && tween.vars.lazy) && _lastRenderedFrame !== _ticker.frame) {
_lazyTweens.push(tween);
tween._lazy = [totalTime, suppressEvents];
return 1;
}
},
_renderZeroDurationTween = function _renderZeroDurationTween(tween, totalTime, suppressEvents, force) {
var prevRatio = tween.ratio,
ratio = totalTime < 0 || !totalTime && prevRatio && !tween._start && tween._zTime > _tinyNum && !tween._dp._lock || tween._ts < 0 || tween._dp._ts < 0 ? 0 : 1,
repeatDelay = tween._rDelay,
tTime = 0,
pt,
iteration,
prevIteration;
if (repeatDelay && tween._repeat) {
tTime = _clamp(0, tween._tDur, totalTime);
iteration = _animationCycle(tTime, repeatDelay);
prevIteration = _animationCycle(tween._tTime, repeatDelay);
if (iteration !== prevIteration) {
prevRatio = 1 - ratio;
tween.vars.repeatRefresh && tween._initted && tween.invalidate();
}
}
if (!tween._initted && _attemptInitTween(tween, totalTime, force, suppressEvents)) {
return;
}
if (ratio !== prevRatio || force || tween._zTime === _tinyNum || !totalTime && tween._zTime) {
prevIteration = tween._zTime;
tween._zTime = totalTime || (suppressEvents ? _tinyNum : 0);
suppressEvents || (suppressEvents = totalTime && !prevIteration);
tween.ratio = ratio;
tween._from && (ratio = 1 - ratio);
tween._time = 0;
tween._tTime = tTime;
suppressEvents || _callback(tween, "onStart");
pt = tween._pt;
while (pt) {
pt.r(ratio, pt.d);
pt = pt._next;
}
tween._startAt && totalTime < 0 && tween._startAt.render(totalTime, true, true);
tween._onUpdate && !suppressEvents && _callback(tween, "onUpdate");
tTime && tween._repeat && !suppressEvents && tween.parent && _callback(tween, "onRepeat");
if ((totalTime >= tween._tDur || totalTime < 0) && tween.ratio === ratio) {
ratio && _removeFromParent(tween, 1);
if (!suppressEvents) {
_callback(tween, ratio ? "onComplete" : "onReverseComplete", true);
tween._prom && tween._prom();
}
}
} else if (!tween._zTime) {
tween._zTime = totalTime;
}
},
_findNextPauseTween = function _findNextPauseTween(animation, prevTime, time) {
var child;
if (time > prevTime) {
child = animation._first;
while (child && child._start <= time) {
if (!child._dur && child.data === "isPause" && child._start > prevTime) {
return child;
}
child = child._next;
}
} else {
child = animation._last;
while (child && child._start >= time) {
if (!child._dur && child.data === "isPause" && child._start < prevTime) {
return child;
}
child = child._prev;
}
}
},
_setDuration = function _setDuration(animation, duration, skipUncache) {
var repeat = animation._repeat,
dur = _round(duration) || 0;
animation._dur = dur;
animation._tDur = !repeat ? dur : repeat < 0 ? 1e10 : _round(dur * (repeat + 1) + animation._rDelay * repeat);
if (animation._time > dur) {
animation._time = dur;
animation._tTime = Math.min(animation._tTime, animation._tDur);
}
!skipUncache && _uncache(animation.parent);
animation.parent && _setEnd(animation);
return animation;
},
_onUpdateTotalDuration = function _onUpdateTotalDuration(animation) {
return animation instanceof Timeline ? _uncache(animation) : _setDuration(animation, animation._dur);
},
_zeroPosition = {
_start: 0,
endTime: _emptyFunc
},
_parsePosition = function _parsePosition(animation, position) {
var labels = animation.labels,
recent = animation._recent || _zeroPosition,
clippedDuration = animation.duration() >= _bigNum ? recent.endTime(false) : animation._dur,
i,
offset;
if (_isString(position) && (isNaN(position) || position in labels)) {
i = position.charAt(0);
if (i === "<" || i === ">") {
return (i === "<" ? recent._start : recent.endTime(recent._repeat >= 0)) + (parseFloat(position.substr(1)) || 0);
}
i = position.indexOf("=");
if (i < 0) {
position in labels || (labels[position] = clippedDuration);
return labels[position];
}
offset = +(position.charAt(i - 1) + position.substr(i + 1));
return i > 1 ? _parsePosition(animation, position.substr(0, i - 1)) + offset : clippedDuration + offset;
}
return position == null ? clippedDuration : +position;
},
_conditionalReturn = function _conditionalReturn(value, func) {
return value || value === 0 ? func(value) : func;
},
_clamp = function _clamp(min, max, value) {
return value < min ? min : value > max ? max : value;
},
getUnit = function getUnit(value) {
return (value + "").substr((parseFloat(value) + "").length);
},
clamp = function clamp(min, max, value) {
return _conditionalReturn(value, function (v) {
return _clamp(min, max, v);
});
},
_slice = [].slice,
_isArrayLike = function _isArrayLike(value, nonEmpty) {
return value && _isObject(value) && "length" in value && (!nonEmpty && !value.length || value.length - 1 in value && _isObject(value[0])) && !value.nodeType && value !== _win;
},
_flatten = function _flatten(ar, leaveStrings, accumulator) {
if (accumulator === void 0) {
accumulator = [];
}
return ar.forEach(function (value) {
var _accumulator;
return _isString(value) && !leaveStrings || _isArrayLike(value, 1) ? (_accumulator = accumulator).push.apply(_accumulator, toArray(value)) : accumulator.push(value);
}) || accumulator;
},
toArray = function toArray(value, leaveStrings) {
return _isString(value) && !leaveStrings && (_coreInitted || !_wake()) ? _slice.call(_doc.querySelectorAll(value), 0) : _isArray(value) ? _flatten(value, leaveStrings) : _isArrayLike(value) ? _slice.call(value, 0) : value ? [value] : [];
},
shuffle = function shuffle(a) {
return a.sort(function () {
return .5 - Math.random();
});
},
distribute = function distribute(v) {
if (_isFunction(v)) {
return v;
}
var vars = _isObject(v) ? v : {
each: v
},
ease = _parseEase(vars.ease),
from = vars.from || 0,
base = parseFloat(vars.base) || 0,
cache = {},
isDecimal = from > 0 && from < 1,
ratios = isNaN(from) || isDecimal,
axis = vars.axis,
ratioX = from,
ratioY = from;
if (_isString(from)) {
ratioX = ratioY = {
center: .5,
edges: .5,
end: 1
}[from] || 0;
} else if (!isDecimal && ratios) {
ratioX = from[0];
ratioY = from[1];
}
return function (i, target, a) {
var l = (a || vars).length,
distances = cache[l],
originX,
originY,
x,
y,
d,
j,
max,
min,
wrapAt;
if (!distances) {
wrapAt = vars.grid === "auto" ? 0 : (vars.grid || [1, _bigNum])[1];
if (!wrapAt) {
max = -_bigNum;
while (max < (max = a[wrapAt++].getBoundingClientRect().left) && wrapAt < l) {}
wrapAt--;
}
distances = cache[l] = [];
originX = ratios ? Math.min(wrapAt, l) * ratioX - .5 : from % wrapAt;
originY = ratios ? l * ratioY / wrapAt - .5 : from / wrapAt | 0;
max = 0;
min = _bigNum;
for (j = 0; j < l; j++) {
x = j % wrapAt - originX;
y = originY - (j / wrapAt | 0);
distances[j] = d = !axis ? _sqrt(x * x + y * y) : Math.abs(axis === "y" ? y : x);
d > max && (max = d);
d < min && (min = d);
}
from === "random" && shuffle(distances);
distances.max = max - min;
distances.min = min;
distances.v = l = (parseFloat(vars.amount) || parseFloat(vars.each) * (wrapAt > l ? l - 1 : !axis ? Math.max(wrapAt, l / wrapAt) : axis === "y" ? l / wrapAt : wrapAt) || 0) * (from === "edges" ? -1 : 1);
distances.b = l < 0 ? base - l : base;
distances.u = getUnit(vars.amount || vars.each) || 0;
ease = ease && l < 0 ? _invertEase(ease) : ease;
}
l = (distances[i] - distances.min) / distances.max || 0;
return _round(distances.b + (ease ? ease(l) : l) * distances.v) + distances.u;
};
},
_roundModifier = function _roundModifier(v) {
var p = v < 1 ? Math.pow(10, (v + "").length - 2) : 1;
return function (raw) {
return Math.floor(Math.round(parseFloat(raw) / v) * v * p) / p + (_isNumber(raw) ? 0 : getUnit(raw));
};
},
snap = function snap(snapTo, value) {
var isArray = _isArray(snapTo),
radius,
is2D;
if (!isArray && _isObject(snapTo)) {
radius = isArray = snapTo.radius || _bigNum;
if (snapTo.values) {
snapTo = toArray(snapTo.values);
if (is2D = !_isNumber(snapTo[0])) {
radius *= radius;
}
} else {
snapTo = _roundModifier(snapTo.increment);
}
}
return _conditionalReturn(value, !isArray ? _roundModifier(snapTo) : _isFunction(snapTo) ? function (raw) {
is2D = snapTo(raw);
return Math.abs(is2D - raw) <= radius ? is2D : raw;
} : function (raw) {
var x = parseFloat(is2D ? raw.x : raw),
y = parseFloat(is2D ? raw.y : 0),
min = _bigNum,
closest = 0,
i = snapTo.length,
dx,
dy;
while (i--) {
if (is2D) {
dx = snapTo[i].x - x;
dy = snapTo[i].y - y;
dx = dx * dx + dy * dy;
} else {
dx = Math.abs(snapTo[i] - x);
}
if (dx < min) {
min = dx;
closest = i;
}
}
closest = !radius || min <= radius ? snapTo[closest] : raw;
return is2D || closest === raw || _isNumber(raw) ? closest : closest + getUnit(raw);
});
},
random = function random(min, max, roundingIncrement, returnFunction) {
return _conditionalReturn(_isArray(min) ? !max : roundingIncrement === true ? !!(roundingIncrement = 0) : !returnFunction, function () {
return _isArray(min) ? min[~~(Math.random() * min.length)] : (roundingIncrement = roundingIncrement || 1e-5) && (returnFunction = roundingIncrement < 1 ? Math.pow(10, (roundingIncrement + "").length - 2) : 1) && Math.floor(Math.round((min + Math.random() * (max - min)) / roundingIncrement) * roundingIncrement * returnFunction) / returnFunction;
});
},
pipe = function pipe() {
for (var _len = arguments.length, functions = new Array(_len), _key = 0; _key < _len; _key++) {
functions[_key] = arguments[_key];
}
return function (value) {
return functions.reduce(function (v, f) {
return f(v);
}, value);
};
},
unitize = function unitize(func, unit) {
return function (value) {
return func(parseFloat(value)) + (unit || getUnit(value));
};
},
normalize = function normalize(min, max, value) {
return mapRange(min, max, 0, 1, value);
},
_wrapArray = function _wrapArray(a, wrapper, value) {
return _conditionalReturn(value, function (index) {
return a[~~wrapper(index)];
});
},
wrap = function wrap(min, max, value) {
var range = max - min;
return _isArray(min) ? _wrapArray(min, wrap(0, min.length), max) : _conditionalReturn(value, function (value) {
return (range + (value - min) % range) % range + min;
});
},
wrapYoyo = function wrapYoyo(min, max, value) {
var range = max - min,
total = range * 2;
return _isArray(min) ? _wrapArray(min, wrapYoyo(0, min.length - 1), max) : _conditionalReturn(value, function (value) {
value = (total + (value - min) % total) % total || 0;
return min + (value > range ? total - value : value);
});
},
_replaceRandom = function _replaceRandom(value) {
var prev = 0,
s = "",
i,
nums,
end,
isArray;
while (~(i = value.indexOf("random(", prev))) {
end = value.indexOf(")", i);
isArray = value.charAt(i + 7) === "[";
nums = value.substr(i + 7, end - i - 7).match(isArray ? _delimitedValueExp : _strictNumExp);
s += value.substr(prev, i - prev) + random(isArray ? nums : +nums[0], +nums[1], +nums[2] || 1e-5);
prev = end + 1;
}
return s + value.substr(prev, value.length - prev);
},
mapRange = function mapRange(inMin, inMax, outMin, outMax, value) {
var inRange = inMax - inMin,
outRange = outMax - outMin;
return _conditionalReturn(value, function (value) {
return outMin + ((value - inMin) / inRange * outRange || 0);
});
},
interpolate = function interpolate(start, end, progress, mutate) {
var func = isNaN(start + end) ? 0 : function (p) {
return (1 - p) * start + p * end;
};
if (!func) {
var isString = _isString(start),
master = {},
p,
i,
interpolators,
l,
il;
progress === true && (mutate = 1) && (progress = null);
if (isString) {
start = {
p: start
};
end = {
p: end
};
} else if (_isArray(start) && !_isArray(end)) {
interpolators = [];
l = start.length;
il = l - 2;
for (i = 1; i < l; i++) {
interpolators.push(interpolate(start[i - 1], start[i]));
}
l--;
func = function func(p) {
p *= l;
var i = Math.min(il, ~~p);
return interpolators[i](p - i);
};
progress = end;
} else if (!mutate) {
start = _merge(_isArray(start) ? [] : {}, start);
}
if (!interpolators) {
for (p in end) {
_addPropTween.call(master, start, p, "get", end[p]);
}
func = function func(p) {
return _renderPropTweens(p, master) || (isString ? start.p : start);
};
}
}
return _conditionalReturn(progress, func);
},
_getLabelInDirection = function _getLabelInDirection(timeline, fromTime, backward) {
var labels = timeline.labels,
min = _bigNum,
p,
distance,
label;
for (p in labels) {
distance = labels[p] - fromTime;
if (distance < 0 === !!backward && distance && min > (distance = Math.abs(distance))) {
label = p;
min = distance;
}
}
return label;
},
_callback = function _callback(animation, type, executeLazyFirst) {
var v = animation.vars,
callback = v[type],
params,
scope;
if (!callback) {
return;
}
params = v[type + "Params"];
scope = v.callbackScope || animation;
executeLazyFirst && _lazyTweens.length && _lazyRender();
return params ? callback.apply(scope, params) : callback.call(scope);
},
_interrupt = function _interrupt(animation) {
_removeFromParent(animation);
if (animation.progress() < 1) {
_callback(animation, "onInterrupt");
}
return animation;
},
_quickTween,
_createPlugin = function _createPlugin(config) {
config = !config.name && config["default"] || config;
var name = config.name,
isFunc = _isFunction(config),
Plugin = name && !isFunc && config.init ? function () {
this._props = [];
} : config,
instanceDefaults = {
init: _emptyFunc,
render: _renderPropTweens,
add: _addPropTween,
kill: _killPropTweensOf,
modifier: _addPluginModifier,
rawVars: 0
},
statics = {
targetTest: 0,
get: 0,
getSetter: _getSetter,
aliases: {},
register: 0
};
_wake();
if (config !== Plugin) {
if (_plugins[name]) {
return;
}
_setDefaults(Plugin, _setDefaults(_copyExcluding(config, instanceDefaults), statics));
_merge(Plugin.prototype, _merge(instanceDefaults, _copyExcluding(config, statics)));
_plugins[Plugin.prop = name] = Plugin;
if (config.targetTest) {
_harnessPlugins.push(Plugin);
_reservedProps[name] = 1;
}
name = (name === "css" ? "CSS" : name.charAt(0).toUpperCase() + name.substr(1)) + "Plugin";
}
_addGlobal(name, Plugin);
if (config.register) {
config.register(gsap, Plugin, PropTween);
}
},
_255 = 255,
_colorLookup = {
aqua: [0, _255, _255],
lime: [0, _255, 0],
silver: [192, 192, 192],
black: [0, 0, 0],
maroon: [128, 0, 0],
teal: [0, 128, 128],
blue: [0, 0, _255],
navy: [0, 0, 128],
white: [_255, _255, _255],
olive: [128, 128, 0],
yellow: [_255, _255, 0],
orange: [_255, 165, 0],
gray: [128, 128, 128],
purple: [128, 0, 128],
green: [0, 128, 0],
red: [_255, 0, 0],
pink: [_255, 192, 203],
cyan: [0, _255, _255],
transparent: [_255, _255, _255, 0]
},
_hue = function _hue(h, m1, m2) {
h = h < 0 ? h + 1 : h > 1 ? h - 1 : h;
return (h * 6 < 1 ? m1 + (m2 - m1) * h * 6 : h < .5 ? m2 : h * 3 < 2 ? m1 + (m2 - m1) * (2 / 3 - h) * 6 : m1) * _255 + .5 | 0;
},
splitColor = function splitColor(v, toHSL, forceAlpha) {
var a = !v ? _colorLookup.black : _isNumber(v) ? [v >> 16, v >> 8 & _255, v & _255] : 0,
r,
g,
b,
h,
s,
l,
max,
min,
d,
wasHSL;
if (!a) {
if (v.substr(-1) === ",") {
v = v.substr(0, v.length - 1);
}
if (_colorLookup[v]) {
a = _colorLookup[v];
} else if (v.charAt(0) === "#") {
if (v.length === 4) {
r = v.charAt(1);
g = v.charAt(2);
b = v.charAt(3);
v = "#" + r + r + g + g + b + b;
}
v = parseInt(v.substr(1), 16);
a = [v >> 16, v >> 8 & _255, v & _255];
} else if (v.substr(0, 3) === "hsl") {
a = wasHSL = v.match(_strictNumExp);
if (!toHSL) {
h = +a[0] % 360 / 360;
s = +a[1] / 100;
l = +a[2] / 100;
g = l <= .5 ? l * (s + 1) : l + s - l * s;
r = l * 2 - g;
if (a.length > 3) {
a[3] *= 1;
}
a[0] = _hue(h + 1 / 3, r, g);
a[1] = _hue(h, r, g);
a[2] = _hue(h - 1 / 3, r, g);
} else if (~v.indexOf("=")) {
a = v.match(_numExp);
forceAlpha && a.length < 4 && (a[3] = 1);
return a;
}
} else {
a = v.match(_strictNumExp) || _colorLookup.transparent;
}
a = a.map(Number);
}
if (toHSL && !wasHSL) {
r = a[0] / _255;
g = a[1] / _255;
b = a[2] / _255;
max = Math.max(r, g, b);
min = Math.min(r, g, b);
l = (max + min) / 2;
if (max === min) {
h = s = 0;
} else {
d = max - min;
s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
h = max === r ? (g - b) / d + (g < b ? 6 : 0) : max === g ? (b - r) / d + 2 : (r - g) / d + 4;
h *= 60;
}
a[0] = ~~(h + .5);
a[1] = ~~(s * 100 + .5);
a[2] = ~~(l * 100 + .5);
}
forceAlpha && a.length < 4 && (a[3] = 1);
return a;
},
_colorOrderData = function _colorOrderData(v) {
var values = [],
c = [],
i = -1;
v.split(_colorExp).forEach(function (v) {
var a = v.match(_numWithUnitExp) || [];
values.push.apply(values, a);
c.push(i += a.length + 1);
});
values.c = c;
return values;
},
_formatColors = function _formatColors(s, toHSL, orderMatchData) {
var result = "",
colors = (s + result).match(_colorExp),
type = toHSL ? "hsla(" : "rgba(",
i = 0,
c,
shell,
d,
l;
if (!colors) {
return s;
}
colors = colors.map(function (color) {
return (color = splitColor(color, toHSL, 1)) && type + (toHSL ? color[0] + "," + color[1] + "%," + color[2] + "%," + color[3] : color.join(",")) + ")";
});
if (orderMatchData) {
d = _colorOrderData(s);
c = orderMatchData.c;
if (c.join(result) !== d.c.join(result)) {
shell = s.replace(_colorExp, "1").split(_numWithUnitExp);
l = shell.length - 1;
for (; i < l; i++) {
result += shell[i] + (~c.indexOf(i) ? colors.shift() || type + "0,0,0,0)" : (d.length ? d : colors.length ? colors : orderMatchData).shift());
}
}
}
if (!shell) {
shell = s.split(_colorExp);
l = shell.length - 1;
for (; i < l; i++) {
result += shell[i] + colors[i];
}
}
return result + shell[l];
},
_colorExp = function () {
var s = "(?:\\b(?:(?:rgb|rgba|hsl|hsla)\\(.+?\\))|\\B#(?:[0-9a-f]{3}){1,2}\\b",
p;
for (p in _colorLookup) {
s += "|" + p + "\\b";
}
return new RegExp(s + ")", "gi");
}(),
_hslExp = /hsl[a]?\(/,
_colorStringFilter = function _colorStringFilter(a) {
var combined = a.join(" "),
toHSL;
_colorExp.lastIndex = 0;
if (_colorExp.test(combined)) {
toHSL = _hslExp.test(combined);
a[1] = _formatColors(a[1], toHSL);
a[0] = _formatColors(a[0], toHSL, _colorOrderData(a[1]));
return true;
}
},
_tickerActive,
_ticker = function () {
var _getTime = Date.now,
_lagThreshold = 500,
_adjustedLag = 33,
_startTime = _getTime(),
_lastUpdate = _startTime,
_gap = 1 / 240,
_nextTime = _gap,
_listeners = [],
_id,
_req,
_raf,
_self,
_tick = function _tick(v) {
var elapsed = _getTime() - _lastUpdate,
manual = v === true,
overlap,
dispatch;
if (elapsed > _lagThreshold) {
_startTime += elapsed - _adjustedLag;
}
_lastUpdate += elapsed;
_self.time = (_lastUpdate - _startTime) / 1000;
overlap = _self.time - _nextTime;
if (overlap > 0 || manual) {
_self.frame++;
_nextTime += overlap + (overlap >= _gap ? 0.004 : _gap - overlap);
dispatch = 1;
}
manual || (_id = _req(_tick));
dispatch && _listeners.forEach(function (l) {
return l(_self.time, elapsed, _self.frame, v);
});
};
_self = {
time: 0,
frame: 0,
tick: function tick() {
_tick(true);
},
wake: function wake() {
if (_coreReady) {
if (!_coreInitted && _windowExists()) {
_win = _coreInitted = window;
_doc = _win.document || {};
_globals.gsap = gsap;
(_win.gsapVersions || (_win.gsapVersions = [])).push(gsap.version);
_install(_installScope || _win.GreenSockGlobals || !_win.gsap && _win || {});
_raf = _win.requestAnimationFrame;
}
_id && _self.sleep();
_req = _raf || function (f) {
return setTimeout(f, (_nextTime - _self.time) * 1000 + 1 | 0);
};
_tickerActive = 1;
_tick(2);
}
},
sleep: function sleep() {
(_raf ? _win.cancelAnimationFrame : clearTimeout)(_id);
_tickerActive = 0;
_req = _emptyFunc;
},
lagSmoothing: function lagSmoothing(threshold, adjustedLag) {
_lagThreshold = threshold || 1 / _tinyNum;
_adjustedLag = Math.min(adjustedLag, _lagThreshold, 0);
},
fps: function fps(_fps) {
_gap = 1 / (_fps || 240);
_nextTime = _self.time + _gap;
},
add: function add(callback) {
_listeners.indexOf(callback) < 0 && _listeners.push(callback);
_wake();
},
remove: function remove(callback) {
var i;
~(i = _listeners.indexOf(callback)) && _listeners.splice(i, 1);
},
_listeners: _listeners
};
return _self;
}(),
_wake = function _wake() {
return !_tickerActive && _ticker.wake();
},
_easeMap = {},
_customEaseExp = /^[\d.\-M][\d.\-,\s]/,
_quotesExp = /["']/g,
_parseObjectInString = function _parseObjectInString(value) {
var obj = {},
split = value.substr(1, value.length - 3).split(":"),
key = split[0],
i = 1,
l = split.length,
index,
val,
parsedVal;
for (; i < l; i++) {
val = split[i];
index = i !== l - 1 ? val.lastIndexOf(",") : val.length;
parsedVal = val.substr(0, index);
obj[key] = isNaN(parsedVal) ? parsedVal.replace(_quotesExp, "").trim() : +parsedVal;
key = val.substr(index + 1).trim();
}
return obj;
},
_configEaseFromString = function _configEaseFromString(name) {
var split = (name + "").split("("),
ease = _easeMap[split[0]];
return ease && split.length > 1 && ease.config ? ease.config.apply(null, ~name.indexOf("{") ? [_parseObjectInString(split[1])] : _parenthesesExp.exec(name)[1].split(",").map(_numericIfPossible)) : _easeMap._CE && _customEaseExp.test(name) ? _easeMap._CE("", name) : ease;
},
_invertEase = function _invertEase(ease) {
return function (p) {
return 1 - ease(1 - p);
};
},
_propagateYoyoEase = function _propagateYoyoEase(timeline, isYoyo) {
var child = timeline._first,
ease;
while (child) {
if (child instanceof Timeline) {
_propagateYoyoEase(child, isYoyo);
} else if (child.vars.yoyoEase && (!child._yoyo || !child._repeat) && child._yoyo !== isYoyo) {
if (child.timeline) {
_propagateYoyoEase(child.timeline, isYoyo);
} else {
ease = child._ease;
child._ease = child._yEase;
child._yEase = ease;
child._yoyo = isYoyo;
}
}
child = child._next;
}
},
_parseEase = function _parseEase(ease, defaultEase) {
return !ease ? defaultEase : (_isFunction(ease) ? ease : _easeMap[ease] || _configEaseFromString(ease)) || defaultEase;
},
_insertEase = function _insertEase(names, easeIn, easeOut, easeInOut) {
if (easeOut === void 0) {
easeOut = function easeOut(p) {
return 1 - easeIn(1 - p);
};
}
if (easeInOut === void 0) {
easeInOut = function easeInOut(p) {
return p < .5 ? easeIn(p * 2) / 2 : 1 - easeIn((1 - p) * 2) / 2;
};
}
var ease = {
easeIn: easeIn,
easeOut: easeOut,
easeInOut: easeInOut
},
lowercaseName;
_forEachName(names, function (name) {
_easeMap[name] = _globals[name] = ease;
_easeMap[lowercaseName = name.toLowerCase()] = easeOut;
for (var p in ease) {
_easeMap[lowercaseName + (p === "easeIn" ? ".in" : p === "easeOut" ? ".out" : ".inOut")] = _easeMap[name + "." + p] = ease[p];
}
});
return ease;
},
_easeInOutFromOut = function _easeInOutFromOut(easeOut) {
return function (p) {
return p < .5 ? (1 - easeOut(1 - p * 2)) / 2 : .5 + easeOut((p - .5) * 2) / 2;
};
},
_configElastic = function _configElastic(type, amplitude, period) {
var p1 = amplitude >= 1 ? amplitude : 1,
p2 = (period || (type ? .3 : .45)) / (amplitude < 1 ? amplitude : 1),
p3 = p2 / _2PI * (Math.asin(1 / p1) || 0),
easeOut = function easeOut(p) {
return p === 1 ? 1 : p1 * Math.pow(2, -10 * p) * _sin((p - p3) * p2) + 1;
},
ease = type === "out" ? easeOut : type === "in" ? function (p) {
return 1 - easeOut(1 - p);
} : _easeInOutFromOut(easeOut);
p2 = _2PI / p2;
ease.config = function (amplitude, period) {
return _configElastic(type, amplitude, period);
};
return ease;
},
_configBack = function _configBack(type, overshoot) {
if (overshoot === void 0) {
overshoot = 1.70158;
}
var easeOut = function easeOut(p) {
return p ? --p * p * ((overshoot + 1) * p + overshoot) + 1 : 0;
},
ease = type === "out" ? easeOut : type === "in" ? function (p) {
return 1 - easeOut(1 - p);
} : _easeInOutFromOut(easeOut);
ease.config = function (overshoot) {
return _configBack(type, overshoot);
};
return ease;
};
_forEachName("Linear,Quad,Cubic,Quart,Quint,Strong", function (name, i) {
var power = i < 5 ? i + 1 : i;
_insertEase(name + ",Power" + (power - 1), i ? function (p) {
return Math.pow(p, power);
} : function (p) {
return p;
}, function (p) {
return 1 - Math.pow(1 - p, power);
}, function (p) {
return p < .5 ? Math.pow(p * 2, power) / 2 : 1 - Math.pow((1 - p) * 2, power) / 2;
});
});
_easeMap.Linear.easeNone = _easeMap.none = _easeMap.Linear.easeIn;
_insertEase("Elastic", _configElastic("in"), _configElastic("out"), _configElastic());
(function (n, c) {
var n1 = 1 / c,
n2 = 2 * n1,
n3 = 2.5 * n1,
easeOut = function easeOut(p) {
return p < n1 ? n * p * p : p < n2 ? n * Math.pow(p - 1.5 / c, 2) + .75 : p < n3 ? n * (p -= 2.25 / c) * p + .9375 : n * Math.pow(p - 2.625 / c, 2) + .984375;
};
_insertEase("Bounce", function (p) {
return 1 - easeOut(1 - p);
}, easeOut);
})(7.5625, 2.75);
_insertEase("Expo", function (p) {
return p ? Math.pow(2, 10 * (p - 1)) : 0;
});
_insertEase("Circ", function (p) {
return -(_sqrt(1 - p * p) - 1);
});
_insertEase("Sine", function (p) {
return p === 1 ? 1 : -_cos(p * _HALF_PI) + 1;
});
_insertEase("Back", _configBack("in"), _configBack("out"), _configBack());
_easeMap.SteppedEase = _easeMap.steps = _globals.SteppedEase = {
config: function config(steps, immediateStart) {
if (steps === void 0) {
steps = 1;
}
var p1 = 1 / steps,
p2 = steps + (immediateStart ? 0 : 1),
p3 = immediateStart ? 1 : 0,
max = 1 - _tinyNum;
return function (p) {
return ((p2 * _clamp(0, max, p) | 0) + p3) * p1;
};
}
};
_defaults.ease = _easeMap["quad.out"];
_forEachName("onComplete,onUpdate,onStart,onRepeat,onReverseComplete,onInterrupt", function (name) {
return _callbackNames += name + "," + name + "Params,";
});
var GSCache = function GSCache(target, harness) {
this.id = _gsID++;
target._gsap = this;
this.target = target;
this.harness = harness;
this.get = harness ? harness.get : _getProperty;
this.set = harness ? harness.getSetter : _getSetter;
};
var Animation = function () {
function Animation(vars, time) {
var parent = vars.parent || _globalTimeline;
this.vars = vars;
this._delay = +vars.delay || 0;
if (this._repeat = vars.repeat || 0) {
this._rDelay = vars.repeatDelay || 0;
this._yoyo = !!vars.yoyo || !!vars.yoyoEase;
}
this._ts = 1;
_setDuration(this, +vars.duration, 1);
this.data = vars.data;
_tickerActive || _ticker.wake();
parent && _addToTimeline(parent, this, time || time === 0 ? time : parent._time, 1);
vars.reversed && this.reverse();
vars.paused && this.paused(true);
}
var _proto = Animation.prototype;
_proto.delay = function delay(value) {
if (value || value === 0) {
this.parent && this.parent.smoothChildTiming && this.startTime(this._start + value - this._delay);
this._delay = value;
return this;
}
return this._delay;
};
_proto.duration = function duration(value) {
return arguments.length ? this.totalDuration(this._repeat > 0 ? value + (value + this._rDelay) * this._repeat : value) : this.totalDuration() && this._dur;
};
_proto.totalDuration = function totalDuration(value) {
if (!arguments.length) {
return this._tDur;
}
this._dirty = 0;
var t = this._time / this._dur || 0;
_setDuration(this, this._repeat < 0 ? value : (value - this._repeat * this._rDelay) / (this._repeat + 1));
return this._tTime ? _alignPlayhead(this, t * value + _elapsedCycleDuration(this)) : this;
};
_proto.totalTime = function totalTime(_totalTime, suppressEvents) {
_wake();
if (!arguments.length) {
return this._tTime;
}
var parent = this._dp;
if (parent && parent.smoothChildTiming && this._ts) {
_alignPlayhead(this, _totalTime);
while (parent.parent) {
if (parent.parent._time !== parent._start + (parent._ts >= 0 ? parent._tTime / parent._ts : (parent.totalDuration() - parent._tTime) / -parent._ts)) {
parent.totalTime(parent._tTime, true);
}
parent = parent.parent;
}
if (!this.parent && this._dp.autoRemoveChildren && (this._ts > 0 && _totalTime < this._tDur || this._ts < 0 && _totalTime > 0 || !this._tDur && !_totalTime)) {
_addToTimeline(this._dp, this, this._start - this._delay);
}
}
if (this._tTime !== _totalTime || !this._dur && !suppressEvents || this._initted && Math.abs(this._zTime) === _tinyNum || !_totalTime && !this._initted) {
this._ts || (this._pTime = _totalTime);
_lazySafeRender(this, _totalTime, suppressEvents);
}
return this;
};
_proto.time = function time(value, suppressEvents) {
return arguments.length ? this.totalTime(Math.min(this.totalDuration(), value + _elapsedCycleDuration(this)) % this._dur || (value ? this._dur : 0), suppressEvents) : this._time;
};
_proto.totalProgress = function totalProgress(value, suppressEvents) {
return arguments.length ? this.totalTime(this.totalDuration() * value, suppressEvents) : this.totalDuration() ? Math.min(1, this._tTime / this._tDur) : this.ratio;
};
_proto.progress = function progress(value, suppressEvents) {
return arguments.length ? this.totalTime(this.duration() * (this._yoyo && !(this.iteration() & 1) ? 1 - value : value) + _elapsedCycleDuration(this), suppressEvents) : this.duration() ? Math.min(1, this._time / this._dur) : this.ratio;
};
_proto.iteration = function iteration(value, suppressEvents) {
var cycleDuration = this.duration() + this._rDelay;
return arguments.length ? this.totalTime(this._time + (value - 1) * cycleDuration, suppressEvents) : this._repeat ? _animationCycle(this._tTime, cycleDuration) + 1 : 1;
};
_proto.timeScale = function timeScale(value) {
if (!arguments.length) {
return this._rts === -_tinyNum ? 0 : this._rts;
}
if (this._rts === value) {
return this;
}
var tTime = this.parent && this._ts ? _parentToChildTotalTime(this.parent._time, this) : this._tTime;
this._rts = +value || 0;
this._ts = this._ps || value === -_tinyNum ? 0 : this._rts;
return _recacheAncestors(this.totalTime(_clamp(-this._delay, this._tDur, tTime), true));
};
_proto.paused = function paused(value) {
if (!arguments.length) {
return this._ps;
}
if (this._ps !== value) {
this._ps = value;
if (value) {
this._pTime = this._tTime || Math.max(-this._delay, this.rawTime());
this._ts = this._act = 0;
} else {
_wake();
this._ts = this._rts;
this.totalTime(this.parent && !this.parent.smoothChildTiming ? this.rawTime() : this._tTime || this._pTime, this.progress() === 1 && (this._tTime -= _tinyNum) && Math.abs(this._zTime) !== _tinyNum);
}
}
return this;
};
_proto.startTime = function startTime(value) {
if (arguments.length) {
this._start = value;
var parent = this.parent || this._dp;
parent && (parent._sort || !this.parent) && _addToTimeline(parent, this, value - this._delay);
return this;
}
return this._start;
};
_proto.endTime = function endTime(includeRepeats) {
return this._start + (_isNotFalse(includeRepeats) ? this.totalDuration() : this.duration()) / Math.abs(this._ts);
};
_proto.rawTime = function rawTime(wrapRepeats) {
var parent = this.parent || this._dp;
return !parent ? this._tTime : wrapRepeats && (!this._ts || this._repeat && this._time && this.totalProgress() < 1) ? this._tTime % (this._dur + this._rDelay) : !this._ts ? this._tTime : _parentToChildTotalTime(parent.rawTime(wrapRepeats), this);
};
_proto.globalTime = function globalTime(rawTime) {
var animation = this,
time = arguments.length ? rawTime : animation.rawTime();
while (animation) {
time = animation._start + time / (animation._ts || 1);
animation = animation._dp;
}
return time;
};
_proto.repeat = function repeat(value) {
if (arguments.length) {