Keys:
'h' - Toggle this panel
'0' - Toggle 1/4 views
'1' - Front view
'2' - Left view
'3' - Top view
'4' - Axonometric view
' ' - Toggle wireframe/solid
'q' - Rotate ladder CCW
'e' - Rotate ladder CW
'w' - Raise ladder
's' - Lower ladder
'o' - Extend ladder
'p' - Reduce ladder
'a' - Move forward
'd' - Move backwards
'r' - Reset view params
't' - Reset truck params
'f' - Toggle floor
'ArrowLeft' - Increase theta
'ArrowRight' - Decrease theta
'ArrowUp' - Increase gamma
'ArrowDown' - Decrease gamma