/
EasingFunction.js
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/
EasingFunction.js
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/*global define*/
define([
'../ThirdParty/Tween',
'./freezeObject'
], function(
Tween,
freezeObject) {
'use strict';
/**
* Easing functions for use with {@link TweenCollection}. These function are from
* {@link https://github.com/sole/tween.js/|Tween.js} and Robert Penner. See the
* {@link http://sole.github.io/tween.js/examples/03_graphs.html|Tween.js graphs for each function}.
*
* @exports EasingFunction
*/
var EasingFunction = {
/**
* Linear easing.
*
* @type {EasingFunction~Callback}
* @constant
*/
LINEAR_NONE : Tween.Easing.Linear.None,
/**
* Quadratic in.
*
* @type {EasingFunction~Callback}
* @constant
*/
QUADRACTIC_IN : Tween.Easing.Quadratic.In,
/**
* Quadratic out.
*
* @type {EasingFunction~Callback}
* @constant
*/
QUADRACTIC_OUT : Tween.Easing.Quadratic.Out,
/**
* Quadratic in then out.
*
* @type {EasingFunction~Callback}
* @constant
*/
QUADRACTIC_IN_OUT : Tween.Easing.Quadratic.InOut,
/**
* Cubic in.
*
* @type {EasingFunction~Callback}
* @constant
*/
CUBIC_IN : Tween.Easing.Cubic.In,
/**
* Cubic out.
*
* @type {EasingFunction~Callback}
* @constant
*/
CUBIC_OUT : Tween.Easing.Cubic.Out,
/**
* Cubic in then out.
*
* @type {EasingFunction~Callback}
* @constant
*/
CUBIC_IN_OUT : Tween.Easing.Cubic.InOut,
/**
* Quartic in.
*
* @type {EasingFunction~Callback}
* @constant
*/
QUARTIC_IN : Tween.Easing.Quartic.In,
/**
* Quartic out.
*
* @type {EasingFunction~Callback}
* @constant
*/
QUARTIC_OUT : Tween.Easing.Quartic.Out,
/**
* Quartic in then out.
*
* @type {EasingFunction~Callback}
* @constant
*/
QUARTIC_IN_OUT : Tween.Easing.Quartic.InOut,
/**
* Quintic in.
*
* @type {EasingFunction~Callback}
* @constant
*/
QUINTIC_IN : Tween.Easing.Quintic.In,
/**
* Quintic out.
*
* @type {EasingFunction~Callback}
* @constant
*/
QUINTIC_OUT : Tween.Easing.Quintic.Out,
/**
* Quintic in then out.
*
* @type {EasingFunction~Callback}
* @constant
*/
QUINTIC_IN_OUT : Tween.Easing.Quintic.InOut,
/**
* Sinusoidal in.
*
* @type {EasingFunction~Callback}
* @constant
*/
SINUSOIDAL_IN : Tween.Easing.Sinusoidal.In,
/**
* Sinusoidal out.
*
* @type {EasingFunction~Callback}
* @constant
*/
SINUSOIDAL_OUT : Tween.Easing.Sinusoidal.Out,
/**
* Sinusoidal in then out.
*
* @type {EasingFunction~Callback}
* @constant
*/
SINUSOIDAL_IN_OUT : Tween.Easing.Sinusoidal.InOut,
/**
* Exponential in.
*
* @type {EasingFunction~Callback}
* @constant
*/
EXPONENTIAL_IN : Tween.Easing.Exponential.In,
/**
* Exponential out.
*
* @type {EasingFunction~Callback}
* @constant
*/
EXPONENTIAL_OUT : Tween.Easing.Exponential.Out,
/**
* Exponential in then out.
*
* @type {EasingFunction~Callback}
* @constant
*/
EXPONENTIAL_IN_OUT : Tween.Easing.Exponential.InOut,
/**
* Circular in.
*
* @type {EasingFunction~Callback}
* @constant
*/
CIRCULAR_IN : Tween.Easing.Circular.In,
/**
* Circular out.
*
* @type {EasingFunction~Callback}
* @constant
*/
CIRCULAR_OUT : Tween.Easing.Circular.Out,
/**
* Circular in then out.
*
* @type {EasingFunction~Callback}
* @constant
*/
CIRCULAR_IN_OUT : Tween.Easing.Circular.InOut,
/**
* Elastic in.
*
* @type {EasingFunction~Callback}
* @constant
*/
ELASTIC_IN : Tween.Easing.Elastic.In,
/**
* Elastic out.
*
* @type {EasingFunction~Callback}
* @constant
*/
ELASTIC_OUT : Tween.Easing.Elastic.Out,
/**
* Elastic in then out.
*
* @type {EasingFunction~Callback}
* @constant
*/
ELASTIC_IN_OUT : Tween.Easing.Elastic.InOut,
/**
* Back in.
*
* @type {EasingFunction~Callback}
* @constant
*/
BACK_IN : Tween.Easing.Back.In,
/**
* Back out.
*
* @type {EasingFunction~Callback}
* @constant
*/
BACK_OUT : Tween.Easing.Back.Out,
/**
* Back in then out.
*
* @type {EasingFunction~Callback}
* @constant
*/
BACK_IN_OUT : Tween.Easing.Back.InOut,
/**
* Bounce in.
*
* @type {EasingFunction~Callback}
* @constant
*/
BOUNCE_IN : Tween.Easing.Bounce.In,
/**
* Bounce out.
*
* @type {EasingFunction~Callback}
* @constant
*/
BOUNCE_OUT : Tween.Easing.Bounce.Out,
/**
* Bounce in then out.
*
* @type {EasingFunction~Callback}
* @constant
*/
BOUNCE_IN_OUT : Tween.Easing.Bounce.InOut
};
/**
* Function interface for implementing a custom easing function.
* @callback EasingFunction~Callback
* @param {Number} time The time in the range <code>[0, 1]</code>.
* @returns {Number} The value of the function at the given time.
*
* @example
* function quadraticIn(time) {
* return time * time;
* }
*
* @example
* function quadraticOut(time) {
* return time * (2.0 - time);
* }
*/
return freezeObject(EasingFunction);
});