pub fn view_matrix(&self) -> Matrix4<f32> {
        // todo
        use cgmath::SquareMatrix;
        self.matrix().invert().unwrap()
    }
/// Calculates the inverse of this transform, which we need to render.
///
/// We can exploit the extra information we have to perform this inverse faster than `O(n^3)`.
Calculates the inverse of this transform, which we need to render.
We can exploit the extra information we have to perform this inverse faster than `O(n^3)`.
Calculates the inverse of this transform which we need to render . We can exploit the extra information we have to perform this inverse faster than ` O ( n^3 ) ` .
pub fn view_matrix(&self) -> Matrix4<f32> {
        // todo
        use cgmath::SquareMatrix;
        self.matrix().invert().unwrap()
    }
pub fn view_matrix ( & self ) -> Matrix4 < f32 > { // todo use cgmath :: SquareMatrix ; self . matrix ( ) . invert ( ) . unwrap ( ) }
Calculates the inverse of this transform, which we need to render.
Calculates the inverse of this transform which we need to render .
&self
&self