simple_easing2/
quart.rs

1/// <https://easings.net/#easeInQuart>
2#[must_use]
3#[inline(always)]
4pub fn quart_in(t: f32) -> f32 {
5    t * t * t * t
6}
7
8/// <https://easings.net/#easeOutQuart>
9#[must_use]
10#[inline(always)]
11pub fn quart_out(t: f32) -> f32 {
12    1.0 - (1.0 - t).powi(4)
13}
14
15/// <https://easings.net/#easeInOutQuart>
16#[must_use]
17#[inline(always)]
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}