File: src\animations\tweens\easing\Quadratic.ts
/**
*
* @module Tweens
* @submodule Easing
*
*/
module Kiwi.Animations.Tweens.Easing {
/**
*
*
* @class Quadratic
* @namespace Kiwi.Animations.Tweens.Easing
*
*/
export class Quadratic {
/**
* The type of object that this is.
* @method objType
* @return {String} "Quadratic"
* @public
*/
public objType() {
return "Quadratic";
}
/**
*
* @method In
* @param k {Any}
* @return {Number}
* @static
* @public
*/
public static In(k) {
return k * k;
}
/**
*
* @method Out
* @param k {Any}
* @return {Number}
* @static
* @public
*/
public static Out(k) {
return k * (2 - k);
}
/**
*
* @method InOut
* @param k {Any}
* @return {Number}
* @static
* @public
*/
public static InOut(k) {
if ((k *= 2) < 1) return 0.5 * k * k;
return -0.5 * (--k * (k - 2) - 1);
}
}
}