Files
simple-easing/src/circ.rs
T
2021-08-20 17:52:48 +02:00

19 lines
425 B
Rust

/// <https://easings.net/#easeInCirc>
pub fn circ_in(t: f32) -> f32 {
1.0 - (1.0 - t.powi(2)).sqrt()
}
/// <https://easings.net/#easeOutCirc>
pub fn circ_out(t: f32) -> f32 {
(1.0 - (t - 1.0).powi(2)).sqrt()
}
/// <https://easings.net/#easeInOutCirc>
pub fn circ_in_out(t: f32) -> f32 {
if t < 0.5 {
(1.0 - (1.0 - (2.0 * t).powi(2)).sqrt()) / 2.0
} else {
((1.0 - (-2.0 * t + 2.0).powi(2)).sqrt() + 1.0) / 2.0
}
}