How can i make the tank's wheele and caterpillar move or roll?

Troubleshooting physics
1

Hi all.

I and my friends are working on a game about Tank(wheeled caterpillar tank) based on JME3.

But we got a problem that :How can i make the tank’s wheele and caterpillar move or roll in the Physics System?

just like real tank move.

Tanks!!

2

Use a vehiclecontrol where you control the wheels speed directly and make the caterpillar only animation.