diff --git a/index.html b/index.html index 5b7da36..31d29b7 100644 --- a/index.html +++ b/index.html @@ -9,6 +9,7 @@ + diff --git a/tween.js b/tween.js new file mode 100644 index 0000000..0d2f36e --- /dev/null +++ b/tween.js @@ -0,0 +1,825 @@ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.TWEEN = {})); +}(this, (function (exports) { 'use strict'; + + /** + * The Ease class provides a collection of easing functions for use with tween.js. + */ + var Easing = { + Linear: { + None: function (amount) { + return amount; + }, + }, + Quadratic: { + In: function (amount) { + return amount * amount; + }, + Out: function (amount) { + return amount * (2 - amount); + }, + InOut: function (amount) { + if ((amount *= 2) < 1) { + return 0.5 * amount * amount; + } + return -0.5 * (--amount * (amount - 2) - 1); + }, + }, + Cubic: { + In: function (amount) { + return amount * amount * amount; + }, + Out: function (amount) { + return --amount * amount * amount + 1; + }, + InOut: function (amount) { + if ((amount *= 2) < 1) { + return 0.5 * amount * amount * amount; + } + return 0.5 * ((amount -= 2) * amount * amount + 2); + }, + }, + Quartic: { + In: function (amount) { + return amount * amount * amount * amount; + }, + Out: function (amount) { + return 1 - --amount * amount * amount * amount; + }, + InOut: function (amount) { + if ((amount *= 2) < 1) { + return 0.5 * amount * amount * amount * amount; + } + return -0.5 * ((amount -= 2) * amount * amount * amount - 2); + }, + }, + Quintic: { + In: function (amount) { + return amount * amount * amount * amount * amount; + }, + Out: function (amount) { + return --amount * amount * amount * amount * amount + 1; + }, + InOut: function (amount) { + if ((amount *= 2) < 1) { + return 0.5 * amount * amount * amount * amount * amount; + } + return 0.5 * ((amount -= 2) * amount * amount * amount * amount + 2); + }, + }, + Sinusoidal: { + In: function (amount) { + return 1 - Math.cos((amount * Math.PI) / 2); + }, + Out: function (amount) { + return Math.sin((amount * Math.PI) / 2); + }, + InOut: function (amount) { + return 0.5 * (1 - Math.cos(Math.PI * amount)); + }, + }, + Exponential: { + In: function (amount) { + return amount === 0 ? 0 : Math.pow(1024, amount - 1); + }, + Out: function (amount) { + return amount === 1 ? 1 : 1 - Math.pow(2, -10 * amount); + }, + InOut: function (amount) { + if (amount === 0) { + return 0; + } + if (amount === 1) { + return 1; + } + if ((amount *= 2) < 1) { + return 0.5 * Math.pow(1024, amount - 1); + } + return 0.5 * (-Math.pow(2, -10 * (amount - 1)) + 2); + }, + }, + Circular: { + In: function (amount) { + return 1 - Math.sqrt(1 - amount * amount); + }, + Out: function (amount) { + return Math.sqrt(1 - --amount * amount); + }, + InOut: function (amount) { + if ((amount *= 2) < 1) { + return -0.5 * (Math.sqrt(1 - amount * amount) - 1); + } + return 0.5 * (Math.sqrt(1 - (amount -= 2) * amount) + 1); + }, + }, + Elastic: { + In: function (amount) { + if (amount === 0) { + return 0; + } + if (amount === 1) { + return 1; + } + return -Math.pow(2, 10 * (amount - 1)) * Math.sin((amount - 1.1) * 5 * Math.PI); + }, + Out: function (amount) { + if (amount === 0) { + return 0; + } + if (amount === 1) { + return 1; + } + return Math.pow(2, -10 * amount) * Math.sin((amount - 0.1) * 5 * Math.PI) + 1; + }, + InOut: function (amount) { + if (amount === 0) { + return 0; + } + if (amount === 1) { + return 1; + } + amount *= 2; + if (amount < 1) { + return -0.5 * Math.pow(2, 10 * (amount - 1)) * Math.sin((amount - 1.1) * 5 * Math.PI); + } + return 0.5 * Math.pow(2, -10 * (amount - 1)) * Math.sin((amount - 1.1) * 5 * Math.PI) + 1; + }, + }, + Back: { + In: function (amount) { + var s = 1.70158; + return amount * amount * ((s + 1) * amount - s); + }, + Out: function (amount) { + var s = 1.70158; + return --amount * amount * ((s + 1) * amount + s) + 1; + }, + InOut: function (amount) { + var s = 1.70158 * 1.525; + if ((amount *= 2) < 1) { + return 0.5 * (amount * amount * ((s + 1) * amount - s)); + } + return 0.5 * ((amount -= 2) * amount * ((s + 1) * amount + s) + 2); + }, + }, + Bounce: { + In: function (amount) { + return 1 - Easing.Bounce.Out(1 - amount); + }, + Out: function (amount) { + if (amount < 1 / 2.75) { + return 7.5625 * amount * amount; + } + else if (amount < 2 / 2.75) { + return 7.5625 * (amount -= 1.5 / 2.75) * amount + 0.75; + } + else if (amount < 2.5 / 2.75) { + return 7.5625 * (amount -= 2.25 / 2.75) * amount + 0.9375; + } + else { + return 7.5625 * (amount -= 2.625 / 2.75) * amount + 0.984375; + } + }, + InOut: function (amount) { + if (amount < 0.5) { + return Easing.Bounce.In(amount * 2) * 0.5; + } + return Easing.Bounce.Out(amount * 2 - 1) * 0.5 + 0.5; + }, + }, + }; + + var now; + // Include a performance.now polyfill. + // In node.js, use process.hrtime. + // eslint-disable-next-line + // @ts-ignore + if (typeof self === 'undefined' && typeof process !== 'undefined' && process.hrtime) { + now = function () { + // eslint-disable-next-line + // @ts-ignore + var time = process.hrtime(); + // Convert [seconds, nanoseconds] to milliseconds. + return time[0] * 1000 + time[1] / 1000000; + }; + } + // In a browser, use self.performance.now if it is available. + else if (typeof self !== 'undefined' && self.performance !== undefined && self.performance.now !== undefined) { + // This must be bound, because directly assigning this function + // leads to an invocation exception in Chrome. + now = self.performance.now.bind(self.performance); + } + // Use Date.now if it is available. + else if (Date.now !== undefined) { + now = Date.now; + } + // Otherwise, use 'new Date().getTime()'. + else { + now = function () { + return new Date().getTime(); + }; + } + var now$1 = now; + + /** + * Controlling groups of tweens + * + * Using the TWEEN singleton to manage your tweens can cause issues in large apps with many components. + * In these cases, you may want to create your own smaller groups of tween + */ + var Group = /** @class */ (function () { + function Group() { + this._tweens = {}; + this._tweensAddedDuringUpdate = {}; + } + Group.prototype.getAll = function () { + var _this = this; + return Object.keys(this._tweens).map(function (tweenId) { + return _this._tweens[tweenId]; + }); + }; + Group.prototype.removeAll = function () { + this._tweens = {}; + }; + Group.prototype.add = function (tween) { + this._tweens[tween.getId()] = tween; + this._tweensAddedDuringUpdate[tween.getId()] = tween; + }; + Group.prototype.remove = function (tween) { + delete this._tweens[tween.getId()]; + delete this._tweensAddedDuringUpdate[tween.getId()]; + }; + Group.prototype.update = function (time, preserve) { + if (time === void 0) { time = now$1(); } + if (preserve === void 0) { preserve = false; } + var tweenIds = Object.keys(this._tweens); + if (tweenIds.length === 0) { + return false; + } + // Tweens are updated in "batches". If you add a new tween during an + // update, then the new tween will be updated in the next batch. + // If you remove a tween during an update, it may or may not be updated. + // However, if the removed tween was added during the current batch, + // then it will not be updated. + while (tweenIds.length > 0) { + this._tweensAddedDuringUpdate = {}; + for (var i = 0; i < tweenIds.length; i++) { + var tween = this._tweens[tweenIds[i]]; + var autoStart = !preserve; + if (tween && tween.update(time, autoStart) === false && !preserve) { + delete this._tweens[tweenIds[i]]; + } + } + tweenIds = Object.keys(this._tweensAddedDuringUpdate); + } + return true; + }; + return Group; + }()); + + /** + * + */ + var Interpolation = { + Linear: function (v, k) { + var m = v.length - 1; + var f = m * k; + var i = Math.floor(f); + var fn = Interpolation.Utils.Linear; + if (k < 0) { + return fn(v[0], v[1], f); + } + if (k > 1) { + return fn(v[m], v[m - 1], m - f); + } + return fn(v[i], v[i + 1 > m ? m : i + 1], f - i); + }, + Bezier: function (v, k) { + var b = 0; + var n = v.length - 1; + var pw = Math.pow; + var bn = Interpolation.Utils.Bernstein; + for (var i = 0; i <= n; i++) { + b += pw(1 - k, n - i) * pw(k, i) * v[i] * bn(n, i); + } + return b; + }, + CatmullRom: function (v, k) { + var m = v.length - 1; + var f = m * k; + var i = Math.floor(f); + var fn = Interpolation.Utils.CatmullRom; + if (v[0] === v[m]) { + if (k < 0) { + i = Math.floor((f = m * (1 + k))); + } + return fn(v[(i - 1 + m) % m], v[i], v[(i + 1) % m], v[(i + 2) % m], f - i); + } + else { + if (k < 0) { + return v[0] - (fn(v[0], v[0], v[1], v[1], -f) - v[0]); + } + if (k > 1) { + return v[m] - (fn(v[m], v[m], v[m - 1], v[m - 1], f - m) - v[m]); + } + return fn(v[i ? i - 1 : 0], v[i], v[m < i + 1 ? m : i + 1], v[m < i + 2 ? m : i + 2], f - i); + } + }, + Utils: { + Linear: function (p0, p1, t) { + return (p1 - p0) * t + p0; + }, + Bernstein: function (n, i) { + var fc = Interpolation.Utils.Factorial; + return fc(n) / fc(i) / fc(n - i); + }, + Factorial: (function () { + var a = [1]; + return function (n) { + var s = 1; + if (a[n]) { + return a[n]; + } + for (var i = n; i > 1; i--) { + s *= i; + } + a[n] = s; + return s; + }; + })(), + CatmullRom: function (p0, p1, p2, p3, t) { + var v0 = (p2 - p0) * 0.5; + var v1 = (p3 - p1) * 0.5; + var t2 = t * t; + var t3 = t * t2; + return (2 * p1 - 2 * p2 + v0 + v1) * t3 + (-3 * p1 + 3 * p2 - 2 * v0 - v1) * t2 + v0 * t + p1; + }, + }, + }; + + /** + * Utils + */ + var Sequence = /** @class */ (function () { + function Sequence() { + } + Sequence.nextId = function () { + return Sequence._nextId++; + }; + Sequence._nextId = 0; + return Sequence; + }()); + + var mainGroup = new Group(); + + /** + * Tween.js - Licensed under the MIT license + * https://github.com/tweenjs/tween.js + * ---------------------------------------------- + * + * See https://github.com/tweenjs/tween.js/graphs/contributors for the full list of contributors. + * Thank you all, you're awesome! + */ + var Tween = /** @class */ (function () { + function Tween(_object, _group) { + if (_group === void 0) { _group = mainGroup; } + this._object = _object; + this._group = _group; + this._isPaused = false; + this._pauseStart = 0; + this._valuesStart = {}; + this._valuesEnd = {}; + this._valuesStartRepeat = {}; + this._duration = 1000; + this._initialRepeat = 0; + this._repeat = 0; + this._yoyo = false; + this._isPlaying = false; + this._reversed = false; + this._delayTime = 0; + this._startTime = 0; + this._easingFunction = Easing.Linear.None; + this._interpolationFunction = Interpolation.Linear; + this._chainedTweens = []; + this._onStartCallbackFired = false; + this._id = Sequence.nextId(); + this._isChainStopped = false; + this._goToEnd = false; + } + Tween.prototype.getId = function () { + return this._id; + }; + Tween.prototype.isPlaying = function () { + return this._isPlaying; + }; + Tween.prototype.isPaused = function () { + return this._isPaused; + }; + Tween.prototype.to = function (properties, duration) { + // TODO? restore this, then update the 07_dynamic_to example to set fox + // tween's to on each update. That way the behavior is opt-in (there's + // currently no opt-out). + // for (const prop in properties) this._valuesEnd[prop] = properties[prop] + this._valuesEnd = Object.create(properties); + if (duration !== undefined) { + this._duration = duration; + } + return this; + }; + Tween.prototype.duration = function (d) { + this._duration = d; + return this; + }; + Tween.prototype.start = function (time) { + if (this._isPlaying) { + return this; + } + // eslint-disable-next-line + this._group && this._group.add(this); + this._repeat = this._initialRepeat; + if (this._reversed) { + // If we were reversed (f.e. using the yoyo feature) then we need to + // flip the tween direction back to forward. + this._reversed = false; + for (var property in this._valuesStartRepeat) { + this._swapEndStartRepeatValues(property); + this._valuesStart[property] = this._valuesStartRepeat[property]; + } + } + this._isPlaying = true; + this._isPaused = false; + this._onStartCallbackFired = false; + this._isChainStopped = false; + this._startTime = time !== undefined ? (typeof time === 'string' ? now$1() + parseFloat(time) : time) : now$1(); + this._startTime += this._delayTime; + this._setupProperties(this._object, this._valuesStart, this._valuesEnd, this._valuesStartRepeat); + return this; + }; + Tween.prototype._setupProperties = function (_object, _valuesStart, _valuesEnd, _valuesStartRepeat) { + for (var property in _valuesEnd) { + var startValue = _object[property]; + var startValueIsArray = Array.isArray(startValue); + var propType = startValueIsArray ? 'array' : typeof startValue; + var isInterpolationList = !startValueIsArray && Array.isArray(_valuesEnd[property]); + // If `to()` specifies a property that doesn't exist in the source object, + // we should not set that property in the object + if (propType === 'undefined' || propType === 'function') { + continue; + } + // Check if an Array was provided as property value + if (isInterpolationList) { + var endValues = _valuesEnd[property]; + if (endValues.length === 0) { + continue; + } + // handle an array of relative values + endValues = endValues.map(this._handleRelativeValue.bind(this, startValue)); + // Create a local copy of the Array with the start value at the front + _valuesEnd[property] = [startValue].concat(endValues); + } + // handle the deepness of the values + if ((propType === 'object' || startValueIsArray) && startValue && !isInterpolationList) { + _valuesStart[property] = startValueIsArray ? [] : {}; + // eslint-disable-next-line + for (var prop in startValue) { + // eslint-disable-next-line + // @ts-ignore FIXME? + _valuesStart[property][prop] = startValue[prop]; + } + _valuesStartRepeat[property] = startValueIsArray ? [] : {}; // TODO? repeat nested values? And yoyo? And array values? + // eslint-disable-next-line + // @ts-ignore FIXME? + this._setupProperties(startValue, _valuesStart[property], _valuesEnd[property], _valuesStartRepeat[property]); + } + else { + // Save the starting value, but only once. + if (typeof _valuesStart[property] === 'undefined') { + _valuesStart[property] = startValue; + } + if (!startValueIsArray) { + // eslint-disable-next-line + // @ts-ignore FIXME? + _valuesStart[property] *= 1.0; // Ensures we're using numbers, not strings + } + if (isInterpolationList) { + // eslint-disable-next-line + // @ts-ignore FIXME? + _valuesStartRepeat[property] = _valuesEnd[property].slice().reverse(); + } + else { + _valuesStartRepeat[property] = _valuesStart[property] || 0; + } + } + } + }; + Tween.prototype.stop = function () { + if (!this._isChainStopped) { + this._isChainStopped = true; + this.stopChainedTweens(); + } + if (!this._isPlaying) { + return this; + } + // eslint-disable-next-line + this._group && this._group.remove(this); + this._isPlaying = false; + this._isPaused = false; + if (this._onStopCallback) { + this._onStopCallback(this._object); + } + return this; + }; + Tween.prototype.end = function () { + this._goToEnd = true; + this.update(Infinity); + return this; + }; + Tween.prototype.pause = function (time) { + if (time === void 0) { time = now$1(); } + if (this._isPaused || !this._isPlaying) { + return this; + } + this._isPaused = true; + this._pauseStart = time; + // eslint-disable-next-line + this._group && this._group.remove(this); + return this; + }; + Tween.prototype.resume = function (time) { + if (time === void 0) { time = now$1(); } + if (!this._isPaused || !this._isPlaying) { + return this; + } + this._isPaused = false; + this._startTime += time - this._pauseStart; + this._pauseStart = 0; + // eslint-disable-next-line + this._group && this._group.add(this); + return this; + }; + Tween.prototype.stopChainedTweens = function () { + for (var i = 0, numChainedTweens = this._chainedTweens.length; i < numChainedTweens; i++) { + this._chainedTweens[i].stop(); + } + return this; + }; + Tween.prototype.group = function (group) { + this._group = group; + return this; + }; + Tween.prototype.delay = function (amount) { + this._delayTime = amount; + return this; + }; + Tween.prototype.repeat = function (times) { + this._initialRepeat = times; + this._repeat = times; + return this; + }; + Tween.prototype.repeatDelay = function (amount) { + this._repeatDelayTime = amount; + return this; + }; + Tween.prototype.yoyo = function (yoyo) { + this._yoyo = yoyo; + return this; + }; + Tween.prototype.easing = function (easingFunction) { + this._easingFunction = easingFunction; + return this; + }; + Tween.prototype.interpolation = function (interpolationFunction) { + this._interpolationFunction = interpolationFunction; + return this; + }; + Tween.prototype.chain = function () { + var tweens = []; + for (var _i = 0; _i < arguments.length; _i++) { + tweens[_i] = arguments[_i]; + } + this._chainedTweens = tweens; + return this; + }; + Tween.prototype.onStart = function (callback) { + this._onStartCallback = callback; + return this; + }; + Tween.prototype.onUpdate = function (callback) { + this._onUpdateCallback = callback; + return this; + }; + Tween.prototype.onRepeat = function (callback) { + this._onRepeatCallback = callback; + return this; + }; + Tween.prototype.onComplete = function (callback) { + this._onCompleteCallback = callback; + return this; + }; + Tween.prototype.onStop = function (callback) { + this._onStopCallback = callback; + return this; + }; + /** + * @returns true if the tween is still playing after the update, false + * otherwise (calling update on a paused tween still returns true because + * it is still playing, just paused). + */ + Tween.prototype.update = function (time, autoStart) { + if (time === void 0) { time = now$1(); } + if (autoStart === void 0) { autoStart = true; } + if (this._isPaused) + return true; + var property; + var elapsed; + var endTime = this._startTime + this._duration; + if (!this._goToEnd && !this._isPlaying) { + if (time > endTime) + return false; + if (autoStart) + this.start(time); + } + this._goToEnd = false; + if (time < this._startTime) { + return true; + } + if (this._onStartCallbackFired === false) { + if (this._onStartCallback) { + this._onStartCallback(this._object); + } + this._onStartCallbackFired = true; + } + elapsed = (time - this._startTime) / this._duration; + elapsed = this._duration === 0 || elapsed > 1 ? 1 : elapsed; + var value = this._easingFunction(elapsed); + // properties transformations + this._updateProperties(this._object, this._valuesStart, this._valuesEnd, value); + if (this._onUpdateCallback) { + this._onUpdateCallback(this._object, elapsed); + } + if (elapsed === 1) { + if (this._repeat > 0) { + if (isFinite(this._repeat)) { + this._repeat--; + } + // Reassign starting values, restart by making startTime = now + for (property in this._valuesStartRepeat) { + if (!this._yoyo && typeof this._valuesEnd[property] === 'string') { + this._valuesStartRepeat[property] = + // eslint-disable-next-line + // @ts-ignore FIXME? + this._valuesStartRepeat[property] + parseFloat(this._valuesEnd[property]); + } + if (this._yoyo) { + this._swapEndStartRepeatValues(property); + } + this._valuesStart[property] = this._valuesStartRepeat[property]; + } + if (this._yoyo) { + this._reversed = !this._reversed; + } + if (this._repeatDelayTime !== undefined) { + this._startTime = time + this._repeatDelayTime; + } + else { + this._startTime = time + this._delayTime; + } + if (this._onRepeatCallback) { + this._onRepeatCallback(this._object); + } + return true; + } + else { + if (this._onCompleteCallback) { + this._onCompleteCallback(this._object); + } + for (var i = 0, numChainedTweens = this._chainedTweens.length; i < numChainedTweens; i++) { + // Make the chained tweens start exactly at the time they should, + // even if the `update()` method was called way past the duration of the tween + this._chainedTweens[i].start(this._startTime + this._duration); + } + this._isPlaying = false; + return false; + } + } + return true; + }; + Tween.prototype._updateProperties = function (_object, _valuesStart, _valuesEnd, value) { + for (var property in _valuesEnd) { + // Don't update properties that do not exist in the source object + if (_valuesStart[property] === undefined) { + continue; + } + var start = _valuesStart[property] || 0; + var end = _valuesEnd[property]; + var startIsArray = Array.isArray(_object[property]); + var endIsArray = Array.isArray(end); + var isInterpolationList = !startIsArray && endIsArray; + if (isInterpolationList) { + _object[property] = this._interpolationFunction(end, value); + } + else if (typeof end === 'object' && end) { + // eslint-disable-next-line + // @ts-ignore FIXME? + this._updateProperties(_object[property], start, end, value); + } + else { + // Parses relative end values with start as base (e.g.: +10, -3) + end = this._handleRelativeValue(start, end); + // Protect against non numeric properties. + if (typeof end === 'number') { + // eslint-disable-next-line + // @ts-ignore FIXME? + _object[property] = start + (end - start) * value; + } + } + } + }; + Tween.prototype._handleRelativeValue = function (start, end) { + if (typeof end !== 'string') { + return end; + } + if (end.charAt(0) === '+' || end.charAt(0) === '-') { + return start + parseFloat(end); + } + else { + return parseFloat(end); + } + }; + Tween.prototype._swapEndStartRepeatValues = function (property) { + var tmp = this._valuesStartRepeat[property]; + var endValue = this._valuesEnd[property]; + if (typeof endValue === 'string') { + this._valuesStartRepeat[property] = this._valuesStartRepeat[property] + parseFloat(endValue); + } + else { + this._valuesStartRepeat[property] = this._valuesEnd[property]; + } + this._valuesEnd[property] = tmp; + }; + return Tween; + }()); + + var VERSION = '18.6.4'; + + /** + * Tween.js - Licensed under the MIT license + * https://github.com/tweenjs/tween.js + * ---------------------------------------------- + * + * See https://github.com/tweenjs/tween.js/graphs/contributors for the full list of contributors. + * Thank you all, you're awesome! + */ + var nextId = Sequence.nextId; + /** + * Controlling groups of tweens + * + * Using the TWEEN singleton to manage your tweens can cause issues in large apps with many components. + * In these cases, you may want to create your own smaller groups of tweens. + */ + var TWEEN = mainGroup; + // This is the best way to export things in a way that's compatible with both ES + // Modules and CommonJS, without build hacks, and so as not to break the + // existing API. + // https://github.com/rollup/rollup/issues/1961#issuecomment-423037881 + var getAll = TWEEN.getAll.bind(TWEEN); + var removeAll = TWEEN.removeAll.bind(TWEEN); + var add = TWEEN.add.bind(TWEEN); + var remove = TWEEN.remove.bind(TWEEN); + var update = TWEEN.update.bind(TWEEN); + var exports$1 = { + Easing: Easing, + Group: Group, + Interpolation: Interpolation, + now: now$1, + Sequence: Sequence, + nextId: nextId, + Tween: Tween, + VERSION: VERSION, + getAll: getAll, + removeAll: removeAll, + add: add, + remove: remove, + update: update, + }; + + exports.Easing = Easing; + exports.Group = Group; + exports.Interpolation = Interpolation; + exports.Sequence = Sequence; + exports.Tween = Tween; + exports.VERSION = VERSION; + exports.add = add; + exports.default = exports$1; + exports.getAll = getAll; + exports.nextId = nextId; + exports.now = now$1; + exports.remove = remove; + exports.removeAll = removeAll; + exports.update = update; + + Object.defineProperty(exports, '__esModule', { value: true }); + +})));