pub fn from_angle_y<A: Into<Rad<S>>>(theta: A) -> Matrix4<S> {
        // http://en.wikipedia.org/wiki/Rotation_matrix#Basic_rotations
        let (s, c) = Rad::sin_cos(theta.into());

        #[cfg_attr(rustfmt, rustfmt_skip)]
        Matrix4::new(
            c, S::zero(), -s, S::zero(),
            S::zero(), S::one(), S::zero(), S::zero(),
            s, S::zero(), c, S::zero(),
            S::zero(), S::zero(), S::zero(), S::one(),
        )
    }
Create a homogeneous transformation matrix from a rotation around the `y` axis (yaw).
src/matrix.rs