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Lightbeams

 
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unphazed
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Joined: 18 Jan 2010
Posts: 46

PostPosted: Tue Feb 02, 2010 1:25 am    Post subject: Lightbeams Reply with quote

Ok, so I've been trying forever to make a box that's been mapped on all 6 sides with transparent .pngs that have light beams on them, that I would like to use to add fx to my scene. Only prob is, it always ends up as a big grey box, despite that in the modeler it looks fine. The render is when it messes up.

Anyone got any tips?
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AWM Mars
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Joined: 06 Jan 2010
Posts: 1195
Location: Wilts England

PostPosted: Tue Feb 02, 2010 1:57 am    Post subject: Re: Lightbeams Reply with quote

unphazed wrote:
Ok, so I've been trying forever to make a box that's been mapped on all 6 sides with transparent .pngs that have light beams on them, that I would like to use to add fx to my scene. Only prob is, it always ends up as a big grey box, despite that in the modeler it looks fine. The render is when it messes up.

Anyone got any tips?

I may sound obvious... but is the material set to receive shadows?

Also, I've noticed TGA's are better for transparencies.
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trucker2000
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Joined: 11 May 2005
Posts: 1839
Location: Sacramento, California

PostPosted: Tue Feb 02, 2010 2:46 am    Post subject: Re: Lightbeams Reply with quote

unphazed wrote:
Ok, so I've been trying forever to make a box that's been mapped on all 6 sides with transparent .pngs that have light beams on them, that I would like to use to add fx to my scene. Only prob is, it always ends up as a big grey box, despite that in the modeler it looks fine. The render is when it messes up.

Anyone got any tips?

It depends on the engine you are using.
TGA and dds files have the best transperancy results.
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Paul-Jan
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Joined: 08 Aug 2004
Posts: 3066
Location: Lage Zwaluwe

PostPosted: Tue Feb 02, 2010 11:11 am    Post subject: Reply with quote

Quote:
The render is when it messes up.


Like Trucker2000 said, we need to know what renderer we are talking about. The DeleD raytracer? A game engine? If so, what file format was used to export the model? Etc. etc.
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unphazed
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Joined: 18 Jan 2010
Posts: 46

PostPosted: Tue Feb 02, 2010 4:38 pm    Post subject: Reply with quote

I'm using the built in raytracer. I'd like to export my entire scene (when it's finished) into Vue, but I like to check things as I go along so I can just export/import and directly render Smile. As for the model, it's a simple cube modeled from/into deled.

I havn't tried tga, so I'll try that, and I've tried just about every option, lightmapping on, lm off, shadows off, shadow cast off, etc. Like I said, looks great in the modeling window, but as soon as it renders - er - crap.

BTW, anyone got any suggestions on the best (preferably free) renderer for rendering these scenes (preferably simply render as is with no modification (maybe lights), and maybe even w/ radiance? I'm doing an indoor scene, but would like to pour radiant light from outside in. Is GILES hard to use?
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AWM Mars
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Joined: 06 Jan 2010
Posts: 1195
Location: Wilts England

PostPosted: Tue Feb 02, 2010 10:25 pm    Post subject: Reply with quote

Yes, I'd like to find such a programme. I've just about exhausted most of those available. What I kept finding is, they either don't have the right importer/exporters, or they are poorly implimented, so you loose all you have gainned when you export.
Blender isnt half bad, but I also have a life, and don't want o spend most of it exploring all the functions.

Renderman renderers are aplenty.
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Paul-Jan
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Joined: 08 Aug 2004
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PostPosted: Wed Feb 03, 2010 1:58 pm    Post subject: Reply with quote

Aha, the builtin raytracer doesn't support this (alpha-transparency) yet. The raytracer is a very recent addition to DeleD, and still quite rough around the edges.

The reason for building it is exactly the problem you describe: there is always loss / change of information when exporting to an external package, so the process is never as WYSIWYG as you would want it to be.
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