Function mat2::set_rotation [−][src]
pub fn set_rotation<'out, T>(
out: &'out mut [T; 4],
angle: &T
) -> &'out mut [T; 4] where
T: Float + Neg<Output = T>,
Example
use std::f32; let mut m = mat2::new_identity::<f32>(); mat2::set_rotation(&mut m, &f32::consts::FRAC_PI_2); assert_eq!(m[1], 1f32); assert_eq!(m[2], -1f32);