splines/src/glam.rs
2020-10-25 22:11:25 +01:00

89 lines
1.9 KiB
Rust

use glam::{Quat, Vec2, Vec3, Vec3A, Vec4};
use crate::interpolate::{
cubic_bezier_def, cubic_hermite_def, quadratic_bezier_def, Interpolate, Linear,
};
macro_rules! impl_interpolate_vec {
($($t:tt)*) => {
impl Linear<f32> for $($t)* {
#[inline(always)]
fn outer_mul(self, t: f32) -> Self {
self * t
}
#[inline(always)]
fn outer_div(self, t: f32) -> Self {
self / t
}
}
impl Interpolate<f32> for $($t)* {
#[inline(always)]
fn lerp(a: Self, b: Self, t: f32) -> Self {
a.lerp(b, t)
}
#[inline(always)]
fn cubic_hermite(
x: (Self, f32),
a: (Self, f32),
b: (Self, f32),
y: (Self, f32),
t: f32,
) -> Self {
cubic_hermite_def(x, a, b, y, t)
}
#[inline(always)]
fn quadratic_bezier(a: Self, u: Self, b: Self, t: f32) -> Self {
quadratic_bezier_def(a, u, b, t)
}
#[inline(always)]
fn cubic_bezier(a: Self, u: Self, v: Self, b: Self, t: f32) -> Self {
cubic_bezier_def(a, u, v, b, t)
}
}
}
}
impl_interpolate_vec!(Vec2);
impl_interpolate_vec!(Vec3);
impl_interpolate_vec!(Vec3A);
impl_interpolate_vec!(Vec4);
impl Linear<f32> for Quat {
#[inline(always)]
fn outer_mul(self, t: f32) -> Self {
self * t
}
#[inline(always)]
fn outer_div(self, t: f32) -> Self {
self / t
}
}
impl Interpolate<f32> for Quat {
#[inline(always)]
fn lerp(a: Self, b: Self, t: f32) -> Self {
a.lerp(b, t)
}
#[inline(always)]
fn cubic_hermite(x: (Self, f32), a: (Self, f32), b: (Self, f32), y: (Self, f32), t: f32) -> Self {
cubic_hermite_def(x, a, b, y, t)
}
#[inline(always)]
fn quadratic_bezier(a: Self, u: Self, b: Self, t: f32) -> Self {
quadratic_bezier_def(a, u, b, t)
}
#[inline(always)]
fn cubic_bezier(a: Self, u: Self, v: Self, b: Self, t: f32) -> Self {
cubic_bezier_def(a, u, v, b, t)
}
}