phaser/src/math/distance/DistanceBetween.js

A fast, free and fun HTML5 Game Framework for Desktop and Mobile web browsers from the team at Phaser Studio Inc.

/**
 * @author       Richard Davey <rich@phaser.io>
 * @copyright    2013-2025 Phaser Studio Inc.
 * @license      {@link https://opensource.org/licenses/MIT|MIT License}
 */

/**
 * Calculate the distance between two sets of coordinates (points).
 *
 * @function Phaser.Math.Distance.Between
 * @since 3.0.0
 *
 * @param {number} x1 - The x coordinate of the first point.
 * @param {number} y1 - The y coordinate of the first point.
 * @param {number} x2 - The x coordinate of the second point.
 * @param {number} y2 - The y coordinate of the second point.
 *
 * @return {number} The distance between each point.
 */
var DistanceBetween = function (x1, y1, x2, y2)
{
    var dx = x1 - x2;
    var dy = y1 - y2;

    return Math.sqrt(dx * dx + dy * dy);
};

module.exports = DistanceBetween;