/** * @author Richard Davey * @copyright 2022 Photon Storm Ltd. * @license {@link https://opensource.org/licenses/MIT|MIT License} */ /** * Rotate a `point` around `x` and `y` to the given `angle`, at the same distance. * * In polar notation, this maps a point from (r, t) to (r, angle), vs. the origin (x, y). * * @function Phaser.Math.RotateAround * @since 3.0.0 * * @generic {Phaser.Types.Math.Vector2Like} T - [point,$return] * * @param {(Phaser.Geom.Point|object)} point - The point to be rotated. * @param {number} x - The horizontal coordinate to rotate around. * @param {number} y - The vertical coordinate to rotate around. * @param {number} angle - The angle of rotation in radians. * * @return {Phaser.Types.Math.Vector2Like} The given point. */ var RotateAround = function (point, x, y, angle) { var c = Math.cos(angle); var s = Math.sin(angle); var tx = point.x - x; var ty = point.y - y; point.x = tx * c - ty * s + x; point.y = tx * s + ty * c + y; return point; }; module.exports = RotateAround;