by Kell » Sun May 27, 2007 10:04 pm
Though it's concievable that real 'skybox' features, such as hills or clouds can be visible through fog, this is because the fog density changes between the viewer and the feature. The most likely being a layer of fog at least a few kilometers across, but perhaps thinning out vertically at an altitude of only several metres. This leaves a fogless layer the rest of the way up to clouds, or obliquely across to the upper portions of hills or something. The fog in q3tourney5 stops at the upper sky layer, where clouds can still be faintly seen scudding dramatically above. I used to be skeptical of this effect, given my own interest in skyboxing, but I have since observed it in real life. So there you go.
However, the practical reason that omitting both skyboxes and fog is not that the features on the skybox are infinitely far away from the viewer, but because the features on the skybox are zero distance away from each other: i.e. everything on a skybox picture is actually flattened onto the same plane. So no fogging will occurr between e.g. the hills or buildings at different distances.
What you will see instead is the fog revealing the corners of the skybox brushwork, then totally failing to continue beyond. It makes the whole effect look fake faster than a silicone breast implant. Which should be the subject for your next mod btw.