/* eslint-disable */

export function linear(t) { return t; }

export function easeInQuad(t) { return t * t; }

// decelerating to zero velocity
export function easeOutQuad(t) { return t * (2 - t); }

// acceleration until halfway, then deceleration
export function easeInOutQuad(t) { return (t < 0.5 ? 2 * t * t : -1 + (4 - 2 * t) * t); }

// accelerating from zero velocity
export function easeInCubic(t) { return t * t * t; }

// decelerating to zero velocity
export function easeOutCubic(t) { return (--t) * t * t + 1; }

// acceleration until halfway, then deceleration
export function easeInOutCubic(t) { return (t < 0.5 ? 4 * t * t * t : (t - 1) * (2 * t - 2) * (2 * t - 2) + 1); }

// accelerating from zero velocity
export function easeInQuart(t) { return t * t * t * t; }

// decelerating to zero velocity
export function easeOutQuart(t) { return 1 - (--t) * t * t * t; }

// acceleration until halfway, then deceleration
export function easeInOutQuart(t) { return (t < 0.5 ? 8 * t * t * t * t : 1 - 8 * (--t) * t * t * t); }

// accelerating from zero velocity
export function easeInQuint(t) { return t * t * t * t * t; }

// decelerating to zero velocity
export function easeOutQuint(t) { return 1 + (--t) * t * t * t * t; }

// acceleration until halfway, then deceleration
export function easeInOutQuint(t) { return (t < 0.5 ? 16 * t * t * t * t * t : 1 + 16 * (--t) * t * t * t * t); }

export default {
    linear,
    easeInQuad,
    easeOutQuad,
    easeInOutQuad,
    easeInCubic,
    easeOutCubic,
    easeInOutCubic,
    easeInQuart,
    easeOutQuart,
    easeInOutQuart,
    easeInQuint,
    easeOutQuint,
    easeInOutQuint,
};