Function quat::look_rotation [−][src]
pub fn look_rotation<'out, T>(
out: &'out mut [T; 4],
forward: &[T; 3],
up: &[T; 3]
) -> &'out mut [T; 4] where
T: Real + FromPrimitive,
Example
let mut q = quat::new_identity::<f32>(); quat::look_rotation(&mut q, &[0_f32, 1_f32, 0_f32], &[0_f32, 0_f32, 1_f32]); assert_eq!(q, [-0.25_f32, 0_f32, 0_f32, 2_f32]);