phaser/src/math/SmoothStep.js
2018-01-09 21:43:56 +00:00

20 lines
402 B
JavaScript

/**
* [description]
*
* @function Phaser.Math.SmoothStep
* @since 3.0.0
*
* @param {number} x - [description]
* @param {number} min - [description]
* @param {number} max - [description]
*
* @return {number} [description]
*/
var SmoothStep = function (x, min, max)
{
x = Math.max(0, Math.min(1, (x - min) / (max - min)));
return x * x * (3 - 2 * x);
};
module.exports = SmoothStep;