Keyboard controls:

• SPACE - pause rotation
• x - rotate about x axis
• y - rotate about y axis
• z - rotate about z axis

Camera controls:

• w, a, s, d - move forward, left, back, right
• r, f - move up, down
• i, j, k, l - look up, left, down, right
• I, J, K, L - orbit down, right, up, left
• O - face origin
• p - put camera at origin
• W - decrease fov
• S - increase fov
• 1, 2, 3, 4, 5 - change texture parameters