Controls: Drag to rotate Mouse wheel or arrow keys to zoom Shift+drag to pan Enable Num Lock to use these: Number Pad 1 or 0: Front view Number pad 2: Left view Number pad 3: Right view The controls are inspired by Blender (blender.org)
https://scratch.mit.edu/projects/119712460 https://www.opengl.org/discussion_boards/showthread.php/139444-Easiest-way-to-rotate-point-in-3d-using-trig https://scratch.mit.edu/projects/166734958 https://scratch.mit.edu/projects/196192396
