@Override
            public void prePhysicsTick(PhysicsSpace space, float tpf) {
                // Apply radial gravity near the planet, downward gravity elsewhere.
                checkPlanetGravity();
            }
A walking physical character followed by a 3rd person camera. (No animation.)

@author normenhansen, zathras
jme3-examples/src/main/java/jme3test/bullet/TestBetterCharacter.java