public Vector3f getGravity(Vector3f store) {
        return rigidBody.getGravity(store);
    }
Copy the character's gravity vector.

@param store storage for the result (modified if not null)
@return an acceleration vector (either the provided storage or a new
vector, not null)
jme3-jbullet/src/main/java/com/jme3/bullet/control/BetterCharacterControl.java