arcade-physics/lib/math/snap/SnapCeil.js

Use Arcade Physics without Phaser.

"use strict";
/**
 * @author       Richard Davey <rich@photonstorm.com>
 * @copyright    2020 Photon Storm Ltd.
 * @license      {@link https://opensource.org/licenses/MIT|MIT License}
 */
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Snap a value to nearest grid slice, using ceil.
 *
 * Example: if you have an interval gap of `5` and a position of `12`... you will snap to `15`.
 * As will `14` snap to `15`... but `16` will snap to `20`.
 *
 * @function Phaser.Math.Snap.Ceil
 * @since 3.0.0
 *
 * @param {number} value - The value to snap.
 * @param {number} gap - The interval gap of the grid.
 * @param {number} [start=0] - Optional starting offset for gap.
 * @param {boolean} [divide=false] - If `true` it will divide the snapped value by the gap before returning.
 *
 * @return {number} The snapped value.
 */
const SnapCeil = (value, gap, start, divide) => {
    if (start === undefined) {
        start = 0;
    }
    if (gap === 0) {
        return value;
    }
    value -= start;
    value = gap * Math.ceil(value / gap);
    return divide ? (start + value) / gap : start + value;
};
exports.default = SnapCeil;
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