
Lighting, Materials, Textures, and UVs ◾ 121
Depth of Field—Depth of eld is a phenomenon that focuses the cam-
era on a single point in space, making the objects grow more blurry
as they get further from the point in focus or if they are closer to the
camera. is is the same eect as looking through the windshield of
your car when a bug splatters onto it—looking at the bug, which is
just a couple of feet from your face, causes the cars in the distance
to get blurry. e same thing occurs when you look back to trac
and the bug on the windshield gets blurry while the objects far away
come into focus. You can mimic this eect at render time ...