// - apply an impulse to the metal
// - apply an opposite impulse to self
Set<MetalHabit> set = ((LevelScene) getScene()).getSpace().findObjects(area, MetalHabit.class);
for (MetalHabit m : set) {
m.applyImpulse(new Vector(1, -1));
dynamic.applyImpulse(new Vector(-1, 1));
}
}