PINCH thumb and long finger: to turn CUBE +2 sliders scale+rotationX
now you can turn a cube with pinch with left/right hand: all gestures:
pinch left hand: up/dow = zoom in/out up and down,
pinch right hand : rotation: left<>right turn, up/down turn
by Karel Rosseel
pinch left hand: up/dow = zoom in/out up and down,
pinch right hand : rotation: left<>right turn, up/down turn