phaser/src/math/FloorTo.js

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/**
* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2019 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
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/**
* Floors to some place comparative to a `base`, default is 10 for decimal place.
*
* The `place` is represented by the power applied to `base` to get that place.
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*
* @function Phaser.Math.FloorTo
* @since 3.0.0
*
* @param {number} value - The value to round.
* @param {integer} [place=0] - The place to round to.
* @param {integer} [base=10] - The base to round in. Default is 10 for decimal.
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*
* @return {number} The rounded value.
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*/
var FloorTo = function (value, place, base)
{
if (place === undefined) { place = 0; }
if (base === undefined) { base = 10; }
var p = Math.pow(base, -place);
return Math.floor(value * p) / p;
};
module.exports = FloorTo;