phaser
Version:
A fast, free and fun HTML5 Game Framework for Desktop and Mobile web browsers.
23 lines (20 loc) • 576 B
JavaScript
/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2013-2023 Photon Storm Ltd.
* @license {@link https://opensource.org/licenses/MIT|MIT License}
*/
/**
* Calculate the perpendicular slope of the given line.
*
* @function Phaser.Geom.Line.PerpSlope
* @since 3.0.0
*
* @param {Phaser.Geom.Line} line - The line to calculate the perpendicular slope of.
*
* @return {number} The perpendicular slope of the line.
*/
var PerpSlope = function (line)
{
return -((line.x2 - line.x1) / (line.y2 - line.y1));
};
module.exports = PerpSlope;