[ODE] Controls

[Lubomir Kazasov]

Hi everybody

i'm implementing a camera, which is represented by a body in my scene. i 
want to move the camera to left/right and bottom/up inside the scene.
i want to make it using forces that act on the center of mass of the body. 
The forces are result from pushing the arrows-buttons on the keyboard.
for example when i'm holding the left arrow-button, i want that the body is 
moving left, and stop immediately if i leave the button. But now when i'm
applying a force, the body doesn't stop when  leave the button. I'm 
implementing for the very first time controls, so i'll be very gratefull fo 
every advice.

Thanks