All light coming from this light source will now be diminished as it travels through the fog or atmosphere. This results in an distance-based, exponential intensity falloff ruled by the used fog or atmosphere. If there is no fog or atmosphere no change will be seen. Object Modifiers A variety of modifiers may be attached to objects. Transformations such as translate, rotate and scale have already been discussed.
Textures are in a section of their own below.
Although the examples below use object statements and object identifiers, these modifiers may be used on any type of object such as sphere, box etc. In an intersection object the hole is closed off. For example the following figure shows object A being clipped by object B. An object clipped by another object. In many cases it will also result in faster rendering times than other methods of altering a shape. The following shortcut saves typing and uses less memory.