public void update(float time, int maxSteps) {
        if (getDynamicsWorld() == null) {
            return;
        }
        //step simulation
        dynamicsWorld.stepSimulation(time, maxSteps, accuracy);
    }
updates the physics space, uses maxSteps<br>
@param time the current time value
@param maxSteps the maximum number of steps of size accuracy (&ge;1) or 0
for a single step of size timeInterval
jme3-jbullet/src/main/java/com/jme3/bullet/PhysicsSpace.java