let rotation = Matrix4::from(
Euler { x: Rad(t.sin() / 3.), y: Rad(t.sin() / 2.), z: Rad(t / 1.5)});
let z_trans = -3.0; // Send the model back a little bit so it fits the screen.
let rotation = Matrix4::from(
Euler { x: Rad(t.sin() / 3.), y: Rad(t.sin() / 2.), z: Rad(t / 1.5)});
let z_trans = -3.0; // Send the model back a little bit so it fits the screen.