simple_easing/quart.rs
1/// <https://easings.net/#easeInQuart>
2#[inline]
3#[must_use]
4pub fn quart_in(t: f32) -> f32 {
5 t * t * t * t
6}
7
8/// <https://easings.net/#easeOutQuart>
9#[inline]
10#[must_use]
11pub fn quart_out(t: f32) -> f32 {
12 1.0 - (1.0 - t).powi(4)
13}
14
15/// <https://easings.net/#easeInOutQuart>
16#[inline]
17#[must_use]
18pub fn quart_in_out(t: f32) -> f32 {
19 if t < 0.5 {
20 8.0 * t * t * t * t
21 } else {
22 1.0 - (-2.0f32).mul_add(t, 2.0).powi(4) / 2.0
23 }
24}