Sky Mapping

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Nereid

・ ω ・
Apr 15, 2003
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Vancouver
A rotating skybox could be done in Unreal Engine 1 by setting the Physics of the SkyZoneInfo to PHYS_Rotating, and also setting the RotationRate. Those options are not available in Unreal Engine 2 I think, so I'm not sure if it is as easy as how it was done in UE1. Look in maps with a rotating skybox (CTF-FaceClassic comes to mind) to see how it was done there.
 

Killavirus

New Member
May 2, 2005
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It done by attching the Satic mesh in your skybox to a mover,

You may also set a movement tag to your mesh and it will rotate so as well
 

soupiejr

New Member
Dec 30, 2005
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Hi. Sorry to bring up an old topic. With this rotating skybox, can I put a sun on it too, that will produce sunlight? I'm very new to mapping and want to create a virtual world where day/night exists in almost real-time.
 

SlipStreams_65

User Titles are Useless.
Dec 29, 2005
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Kingdom of boredom
Real Moving sunlight would utterly destroy the frame rate (dynamic lighting on every surface etc). Though you can always make a sphere with one half with a night sky and one half with a day sky and rotate it around slowly to give the illusion of rising sun.

Again look at the skybox in FaceClassic.
 
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Kantham

Fool.
Sep 17, 2004
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Yes real time Lightning is not implementable. The only map i've seen using daytime/nightime trigger lights was a UT99 one. I've never seen someone able to do this with UT2004.
 

soupiejr

New Member
Dec 30, 2005
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I'm not sure about this, but what if I started the map with a specific setting, for example, start the map with the sun at 4pm, and it will put the sunlight there, but the sunlight won't move? I'll create a sphere, with half of it being daytime, and the other half being nighttime?

By the way, where do I get FaceClassic?

Thanks for the help guys!
 

soupiejr

New Member
Dec 30, 2005
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What if I start the map with an argument from the command-line, and tell it to display a sun at a specific time of the day, for example, 4pm, and programmatically set the skybox to be at a defined place? That way, the skybox doesn't have to rotate while the map is running, and I still get to define whether I want to play the map during the daytime or the nighttime...