Controls
Arrow Keys: move camera
A/Z: move camera depth
X/S: zoom out/in
Q/W/E: toggle rotation X/Y/Z
R: hardware lines
M: toggle stats
F/V: add/remove points
Draw Mode button: hold mouse or touch to draw lines
B: batch points
O: toggle screen occlusion (default on)
L: fullscreen
H: hide help
Mouse drag or touch drag: look around
Mouse wheel or pinch: zoom in/out