arcade-physics
Version:
Use Arcade Physics without Phaser.
32 lines • 855 B
JavaScript
;
/**
* @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 });
/**
* Back ease-in/out.
*
* @function Phaser.Math.Easing.Back.InOut
* @since 3.0.0
*
* @param {number} v - The value to be tweened.
* @param {number} [overshoot=1.70158] - The overshoot amount.
*
* @return {number} The tweened value.
*/
const InOut = (v, overshoot) => {
if (overshoot === undefined) {
overshoot = 1.70158;
}
const s = overshoot * 1.525;
if ((v *= 2) < 1) {
return 0.5 * (v * v * ((s + 1) * v - s));
}
else {
return 0.5 * ((v -= 2) * v * ((s + 1) * v + s) + 2);
}
};
exports.default = InOut;
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