877 lines
32 KiB
JavaScript
877 lines
32 KiB
JavaScript
/**
|
|
* The Ease class provides a collection of easing functions for use with tween.js.
|
|
*/
|
|
var Easing = Object.freeze({
|
|
Linear: Object.freeze({
|
|
None: function (amount) {
|
|
return amount;
|
|
},
|
|
In: function (amount) {
|
|
return this.None(amount);
|
|
},
|
|
Out: function (amount) {
|
|
return this.None(amount);
|
|
},
|
|
InOut: function (amount) {
|
|
return this.None(amount);
|
|
},
|
|
}),
|
|
Quadratic: Object.freeze({
|
|
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: Object.freeze({
|
|
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: Object.freeze({
|
|
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: Object.freeze({
|
|
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: Object.freeze({
|
|
In: function (amount) {
|
|
return 1 - Math.sin(((1.0 - amount) * Math.PI) / 2);
|
|
},
|
|
Out: function (amount) {
|
|
return Math.sin((amount * Math.PI) / 2);
|
|
},
|
|
InOut: function (amount) {
|
|
return 0.5 * (1 - Math.sin(Math.PI * (0.5 - amount)));
|
|
},
|
|
}),
|
|
Exponential: Object.freeze({
|
|
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: Object.freeze({
|
|
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: Object.freeze({
|
|
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: Object.freeze({
|
|
In: function (amount) {
|
|
var s = 1.70158;
|
|
return amount === 1 ? 1 : amount * amount * ((s + 1) * amount - s);
|
|
},
|
|
Out: function (amount) {
|
|
var s = 1.70158;
|
|
return amount === 0 ? 0 : --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: Object.freeze({
|
|
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;
|
|
},
|
|
}),
|
|
generatePow: function (power) {
|
|
if (power === void 0) { power = 4; }
|
|
power = power < Number.EPSILON ? Number.EPSILON : power;
|
|
power = power > 10000 ? 10000 : power;
|
|
return {
|
|
In: function (amount) {
|
|
return Math.pow(amount, power);
|
|
},
|
|
Out: function (amount) {
|
|
return 1 - Math.pow((1 - amount), power);
|
|
},
|
|
InOut: function (amount) {
|
|
if (amount < 0.5) {
|
|
return Math.pow((amount * 2), power) / 2;
|
|
}
|
|
return (1 - Math.pow((2 - amount * 2), power)) / 2 + 0.5;
|
|
},
|
|
};
|
|
},
|
|
});
|
|
|
|
var now = function () { return performance.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(); }
|
|
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._isDynamic = false;
|
|
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;
|
|
// eslint-disable-next-line
|
|
this._chainedTweens = [];
|
|
this._onStartCallbackFired = false;
|
|
this._onEveryStartCallbackFired = false;
|
|
this._id = Sequence.nextId();
|
|
this._isChainStopped = false;
|
|
this._propertiesAreSetUp = 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.getDuration = function () {
|
|
return this._duration;
|
|
};
|
|
Tween.prototype.to = function (target, duration) {
|
|
if (duration === void 0) { duration = 1000; }
|
|
if (this._isPlaying)
|
|
throw new Error('Can not call Tween.to() while Tween is already started or paused. Stop the Tween first.');
|
|
this._valuesEnd = target;
|
|
this._propertiesAreSetUp = false;
|
|
this._duration = duration < 0 ? 0 : duration;
|
|
return this;
|
|
};
|
|
Tween.prototype.duration = function (duration) {
|
|
if (duration === void 0) { duration = 1000; }
|
|
this._duration = duration < 0 ? 0 : duration;
|
|
return this;
|
|
};
|
|
Tween.prototype.dynamic = function (dynamic) {
|
|
if (dynamic === void 0) { dynamic = false; }
|
|
this._isDynamic = dynamic;
|
|
return this;
|
|
};
|
|
Tween.prototype.start = function (time, overrideStartingValues) {
|
|
if (time === void 0) { time = now(); }
|
|
if (overrideStartingValues === void 0) { overrideStartingValues = false; }
|
|
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._onEveryStartCallbackFired = false;
|
|
this._isChainStopped = false;
|
|
this._startTime = time;
|
|
this._startTime += this._delayTime;
|
|
if (!this._propertiesAreSetUp || overrideStartingValues) {
|
|
this._propertiesAreSetUp = true;
|
|
// If dynamic is not enabled, clone the end values instead of using the passed-in end values.
|
|
if (!this._isDynamic) {
|
|
var tmp = {};
|
|
for (var prop in this._valuesEnd)
|
|
tmp[prop] = this._valuesEnd[prop];
|
|
this._valuesEnd = tmp;
|
|
}
|
|
this._setupProperties(this._object, this._valuesStart, this._valuesEnd, this._valuesStartRepeat, overrideStartingValues);
|
|
}
|
|
return this;
|
|
};
|
|
Tween.prototype.startFromCurrentValues = function (time) {
|
|
return this.start(time, true);
|
|
};
|
|
Tween.prototype._setupProperties = function (_object, _valuesStart, _valuesEnd, _valuesStartRepeat, overrideStartingValues) {
|
|
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.
|
|
// Creates a local copy of the Array with the start value at the front
|
|
var temp = [startValue];
|
|
for (var i = 0, l = endValues.length; i < l; i += 1) {
|
|
var value = this._handleRelativeValue(startValue, endValues[i]);
|
|
if (isNaN(value)) {
|
|
isInterpolationList = false;
|
|
console.warn('Found invalid interpolation list. Skipping.');
|
|
break;
|
|
}
|
|
temp.push(value);
|
|
}
|
|
if (isInterpolationList) {
|
|
// if (_valuesStart[property] === undefined) { // handle end values only the first time. NOT NEEDED? setupProperties is now guarded by _propertiesAreSetUp.
|
|
_valuesEnd[property] = temp;
|
|
// }
|
|
}
|
|
}
|
|
// handle the deepness of the values
|
|
if ((propType === 'object' || startValueIsArray) && startValue && !isInterpolationList) {
|
|
_valuesStart[property] = startValueIsArray ? [] : {};
|
|
var nestedObject = startValue;
|
|
for (var prop in nestedObject) {
|
|
_valuesStart[property][prop] = nestedObject[prop];
|
|
}
|
|
// TODO? repeat nested values? And yoyo? And array values?
|
|
_valuesStartRepeat[property] = startValueIsArray ? [] : {};
|
|
var endValues = _valuesEnd[property];
|
|
// If dynamic is not enabled, clone the end values instead of using the passed-in end values.
|
|
if (!this._isDynamic) {
|
|
var tmp = {};
|
|
for (var prop in endValues)
|
|
tmp[prop] = endValues[prop];
|
|
_valuesEnd[property] = endValues = tmp;
|
|
}
|
|
this._setupProperties(nestedObject, _valuesStart[property], endValues, _valuesStartRepeat[property], overrideStartingValues);
|
|
}
|
|
else {
|
|
// Save the starting value, but only once unless override is requested.
|
|
if (typeof _valuesStart[property] === 'undefined' || overrideStartingValues) {
|
|
_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(); }
|
|
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(); }
|
|
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) {
|
|
if (group === void 0) { group = mainGroup; }
|
|
this._group = group;
|
|
return this;
|
|
};
|
|
Tween.prototype.delay = function (amount) {
|
|
if (amount === void 0) { amount = 0; }
|
|
this._delayTime = amount;
|
|
return this;
|
|
};
|
|
Tween.prototype.repeat = function (times) {
|
|
if (times === void 0) { times = 0; }
|
|
this._initialRepeat = times;
|
|
this._repeat = times;
|
|
return this;
|
|
};
|
|
Tween.prototype.repeatDelay = function (amount) {
|
|
this._repeatDelayTime = amount;
|
|
return this;
|
|
};
|
|
Tween.prototype.yoyo = function (yoyo) {
|
|
if (yoyo === void 0) { yoyo = false; }
|
|
this._yoyo = yoyo;
|
|
return this;
|
|
};
|
|
Tween.prototype.easing = function (easingFunction) {
|
|
if (easingFunction === void 0) { easingFunction = Easing.Linear.None; }
|
|
this._easingFunction = easingFunction;
|
|
return this;
|
|
};
|
|
Tween.prototype.interpolation = function (interpolationFunction) {
|
|
if (interpolationFunction === void 0) { interpolationFunction = Interpolation.Linear; }
|
|
this._interpolationFunction = interpolationFunction;
|
|
return this;
|
|
};
|
|
// eslint-disable-next-line
|
|
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.onEveryStart = function (callback) {
|
|
this._onEveryStartCallback = 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) {
|
|
var _this = this;
|
|
var _a;
|
|
if (time === void 0) { time = now(); }
|
|
if (autoStart === void 0) { autoStart = true; }
|
|
if (this._isPaused)
|
|
return true;
|
|
var property;
|
|
var endTime = this._startTime + this._duration;
|
|
if (!this._goToEnd && !this._isPlaying) {
|
|
if (time > endTime)
|
|
return false;
|
|
if (autoStart)
|
|
this.start(time, true);
|
|
}
|
|
this._goToEnd = false;
|
|
if (time < this._startTime) {
|
|
return true;
|
|
}
|
|
if (this._onStartCallbackFired === false) {
|
|
if (this._onStartCallback) {
|
|
this._onStartCallback(this._object);
|
|
}
|
|
this._onStartCallbackFired = true;
|
|
}
|
|
if (this._onEveryStartCallbackFired === false) {
|
|
if (this._onEveryStartCallback) {
|
|
this._onEveryStartCallback(this._object);
|
|
}
|
|
this._onEveryStartCallbackFired = true;
|
|
}
|
|
var elapsedTime = time - this._startTime;
|
|
var durationAndDelay = this._duration + ((_a = this._repeatDelayTime) !== null && _a !== void 0 ? _a : this._delayTime);
|
|
var totalTime = this._duration + this._repeat * durationAndDelay;
|
|
var calculateElapsedPortion = function () {
|
|
if (_this._duration === 0)
|
|
return 1;
|
|
if (elapsedTime > totalTime) {
|
|
return 1;
|
|
}
|
|
var timesRepeated = Math.trunc(elapsedTime / durationAndDelay);
|
|
var timeIntoCurrentRepeat = elapsedTime - timesRepeated * durationAndDelay;
|
|
// TODO use %?
|
|
// const timeIntoCurrentRepeat = elapsedTime % durationAndDelay
|
|
var portion = Math.min(timeIntoCurrentRepeat / _this._duration, 1);
|
|
if (portion === 0 && elapsedTime === _this._duration) {
|
|
return 1;
|
|
}
|
|
return portion;
|
|
};
|
|
var elapsed = calculateElapsedPortion();
|
|
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 (this._duration === 0 || elapsedTime >= this._duration) {
|
|
if (this._repeat > 0) {
|
|
var completeCount = Math.min(Math.trunc((elapsedTime - this._duration) / durationAndDelay) + 1, this._repeat);
|
|
if (isFinite(this._repeat)) {
|
|
this._repeat -= completeCount;
|
|
}
|
|
// 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;
|
|
}
|
|
this._startTime += durationAndDelay * completeCount;
|
|
if (this._onRepeatCallback) {
|
|
this._onRepeatCallback(this._object);
|
|
}
|
|
this._onEveryStartCallbackFired = false;
|
|
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, false);
|
|
}
|
|
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);
|
|
}
|
|
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 = '23.1.1';
|
|
|
|
/**
|
|
* 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 = {
|
|
Easing: Easing,
|
|
Group: Group,
|
|
Interpolation: Interpolation,
|
|
now: now,
|
|
Sequence: Sequence,
|
|
nextId: nextId,
|
|
Tween: Tween,
|
|
VERSION: VERSION,
|
|
getAll: getAll,
|
|
removeAll: removeAll,
|
|
add: add,
|
|
remove: remove,
|
|
update: update,
|
|
};
|
|
|
|
export { Easing, Group, Interpolation, Sequence, Tween, VERSION, add, exports as default, getAll, nextId, now, remove, removeAll, update };
|