phaser/src/actions/RotateAroundDistance.js
2020-01-15 12:07:09 +00:00

43 lines
1.3 KiB
JavaScript

/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2020 Photon Storm Ltd.
* @license {@link https://opensource.org/licenses/MIT|MIT License}
*/
var MathRotateAroundDistance = require('../math/RotateAroundDistance');
/**
* Rotates an array of Game Objects around a point by the given angle and distance.
*
* @function Phaser.Actions.RotateAroundDistance
* @since 3.0.0
*
* @generic {Phaser.GameObjects.GameObject[]} G - [items,$return]
*
* @param {(array|Phaser.GameObjects.GameObject[])} items - An array of Game Objects. The contents of this array are updated by this Action.
* @param {object} point - Any object with public `x` and `y` properties.
* @param {number} angle - The angle to rotate by, in radians.
* @param {number} distance - The distance from the point of rotation in pixels.
*
* @return {(array|Phaser.GameObjects.GameObject[])} The array of Game Objects that was passed to this Action.
*/
var RotateAroundDistance = function (items, point, angle, distance)
{
var x = point.x;
var y = point.y;
// There's nothing to do
if (distance === 0)
{
return items;
}
for (var i = 0; i < items.length; i++)
{
MathRotateAroundDistance(items[i], x, y, angle, distance);
}
return items;
};
module.exports = RotateAroundDistance;