When the person is active she will attract the light body. The light body will focus in the person's direction and actively explore the side she is on. The person has to remain active to keep the light body's attention. The light body will follow the person around the pillar, but in time the light body gets curious about what is happening on other sides and moves towards other sides to explore them. The light body has to move there to gain sensory input. The person might follow the light body, but if she does not, the light body will quickly return to her as it remembers her presence. When the person is still or is no longer present, the light body explores the space.