public override void SetGravityForce(bool enabled, float forceX, float forceY, float forceZ)
{
NormalGravityEnabled = enabled;
gravityx = forceX;
gravityy = forceY;
gravityz = forceZ;
//Set the vectors as well
gravityVector = new Vector3(gravityx, gravityy, gravityz);
gravityVectorNormalized = gravityVector;
gravityVectorNormalized.Normalize();
//Fix the ODE gravity too
d.WorldSetGravity(world, gravityx, gravityy, gravityz);
}