movement (arrow keys): left/right strafe, up/down forward/back, space jump camera angle (wasd): a/d turn, w/s tilt, q/e roll, i/k and j/l orbit mouse: click+drag orbit, right-click+drag move trackpad: scroll orbit, pinch move, ctrl+scroll forward, shift+scroll up/strafe touch: one finger orbit, two finger pinch move, two finger rotate other: 0-9 switch cameras, p resume animation, v save view, drag-drop .ply to convert