Function rusty_engine::prelude::glm::mat4_to_mat2

pub fn mat4_to_mat2<N>(
    m: &Matrix<N, U4, U4, <DefaultAllocator as Allocator<N, U4, U4>>::Buffer>
) -> Matrix<N, U2, U2, <DefaultAllocator as Allocator<N, U2, U2>>::Buffer> where
    N: Scalar, 

Converts a 4x4 matrix to a 2x2 matrix.