mirror of
https://github.com/photonstorm/phaser
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31 lines
933 B
JavaScript
31 lines
933 B
JavaScript
/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2018 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
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*/
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/**
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* [description]
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*
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* @function Phaser.Math.RotateAroundDistance
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* @since 3.0.0
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*
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* @param {(Phaser.Geom.Point|object)} point - The point to be rotated.
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* @param {number} x - The horizontal coordinate to rotate around.
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* @param {number} y - The vertical coordinate to rotate around.
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* @param {number} angle - The angle of rotation in radians.
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* @param {number} distance - [description]
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*
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* @return {Phaser.Geom.Point} The given point.
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*/
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var RotateAroundDistance = function (point, x, y, angle, distance)
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{
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var t = angle + Math.atan2(point.y - y, point.x - x);
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point.x = x + (distance * Math.cos(t));
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point.y = y + (distance * Math.sin(t));
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return point;
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};
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module.exports = RotateAroundDistance;
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