/**
 * easeInOutBack
 * 
 * @param {number} t represents the absolute progress of the animation in the bounds of 0 (beginning of the animation) and 1 (end of animation).
 * 
 * @return {number} timing function
 * 
 * @since 3.0.0
 */
export const easeInOutBack = (t: number): number => {
	const c1 = 1.70158;
	const c2 = c1 * 1.525;
	
	return t < 0.5
		? (Math.pow(2 * t, 2) * ((c2 + 1) * 2 * t - c2)) / 2
		: (Math.pow(2 * t - 2, 2) * ((c2 + 1) * (t * 2 - 2) + c2) + 2) / 2;
};
export default easeInOutBack;