arcade-physics/lib/math/easing/sine/InOut.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 });
/**
 * Sinusoidal ease-in/out.
 *
 * @function Phaser.Math.Easing.Sine.InOut
 * @since 3.0.0
 *
 * @param {number} v - The value to be tweened.
 *
 * @return {number} The tweened value.
 */
const InOut = v => {
    if (v === 0) {
        return 0;
    }
    else if (v === 1) {
        return 1;
    }
    else {
        return 0.5 * (1 - Math.cos(Math.PI * v));
    }
};
exports.default = InOut;
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