Projector Calculator
Pan with arrow keys or right mouse button.

Orbit with left mouse button.

Zoom with scroll wheel.

Move projector by dragging with left mouse or using these keys:

  w toward screen
  s away from screen
  a left
  d right
  q up
  e down

Additional actions:

  h toggle help screen
  z toggle left directional light
  c toggle right directional light
  v toggle projector bounding box
  x toggle debug display
Orbit with finger drag.

Pan with three-finger drag.

Zoom with finger pinch.

Move projector with finger drag
debug info