Here is a live demonstartion of an application receiving live video stream wich is integrated in a 3D world and can be controled with the Leap motion
Leap motion with Resolume live demonstration
The application offer three mode to mix videos with VJ software supporting Spout protocole.
While the leap motion doesn't detect any hand, the VJ sofware output is displayed
When a hand is detected, the application load a 3D and you can control camera movement with this hand.
the left, right, up and down hand movement control camera rotation while the speed is depending on the front-back axis.