Game Editing > General Content Creation

[Q4] what is Sky Caulk and how is it used?

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kat:
Zoom out of the grid view and you'll see a big box off to the left, that's a 'skybox' (it contains something that looks like a rocket). Skycaulk looks to have been used to 'seal' the main level off from the void (so the level doesn't leak) whilst allowing the skybox texture (which is a star field) to 'auto-project' around the rest of the map; you can't normally do that without causing a HoM (Hall of Mirrors) effect. Also check for 'projection' entities in that general area (they also used a 'projected' skyboxes in some levels iirc).

cuetip:
The space field is for the opening cutscene. It's not seen when in the level. The other giant room with all the blue sky textures seems like where the skybox would go since there's a lot of effects like lightning and ambient ships zipping across the sky as seen when you first spawn in that caulked out area. I didn't find any references to an actual texture for the sky though. I don't understand how the skybox room is displayed in the actual level. Is it done by cameras?

kat:
Yes, although I'm really stretching now as I don't quite remember how projected skyboxes work. Cameras are involved though iirc. Basically you set up a skybox with all the stuff you want going on in it, this is then 'projected' using a camera or 'skybox' entity onto your 'sky' brushes. I just can't remember the right mechanism to do that so you'll need to experiment...

Here we go.. try this
http://www.modwiki.net/wiki/How_to_add_a_sky

cuetip:
Thanks kat. I'll experiment and report back. 

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