A game environment is presented where the 3-D object is properly transitioned from the player's field of view. For example, the perceived position of the 3-D object in the real 3-D space is measured, and if the distance from the display exceeds a threshold, the system will gradually transition the object out of the player's field of view. As another example, the distance of the object from a virtual camera can be measured in a virtual space and if the distance comes within a threshold value, the system will fade the object from the display. As a further example, the distance of the object from a predefined reference plane in the virtual space can be measured to determine the object's perceived visual distance in the real 3-D space and if the object exceeds a predetermined threshold value, the object will begin fading from the display.