Function rand_unit_vec3

perro_source/api_modules/perro_modules/src/random.rs:314–319

(seed: u32)

#[inline]
pub fn rand_unit_vec3(seed: u32) -> (f32, f32, f32) {
    let z = rand11(seed);
    let angle = rand01(seed.wrapping_add(STREAM_GAMMA)) * std::f32::consts::TAU;
    let radial = (1.0 - z * z).max(0.0).sqrt();
    (radial * angle.cos(), radial * angle.sin(), z)
}

#[inline]
pub fn shuffle<T>(seed: u32, values: &mut [T]) {