arcade-physics/lib/geom/line/CenterOn.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 });
/**
 * Center a line on the given coordinates.
 *
 * @function Phaser.Geom.Line.CenterOn
 * @since 3.0.0
 *
 * @param {Phaser.Geom.Line} line - The line to center.
 * @param {number} x - The horizontal coordinate to center the line on.
 * @param {number} y - The vertical coordinate to center the line on.
 *
 * @return {Phaser.Geom.Line} The centered line.
 */
const CenterOn = (line, x, y) => {
    const tx = x - (line.x1 + line.x2) / 2;
    const ty = y - (line.y1 + line.y2) / 2;
    line.x1 += tx;
    line.y1 += ty;
    line.x2 += tx;
    line.y2 += ty;
    return line;
};
exports.default = CenterOn;
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