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Daivuk

Real Time Shadow With Multiple lights, new tutorial

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Here is a tutorial I wrote because a lot of people asked how to create shadow like doom3, and mostly : how to create shadow, but with multiple lights sources? Here it is : http://www.geocities.com/duktroa/RealTimeShadowTutorial.htm If the link is not working, try this mirror : http://www.angelfire.com/games5/duktroa/RealTimeShadowTutorial.htm Tell me what you think, if you would like to change something. I need feedback on this, its my first tutorial. But I want the maximum of people to be able to make stencil shadow this way, because after Doom3, this will become a new standard in the industry. ;) [Edited by - Daivuk on August 19, 2004 9:08:32 PM]

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you mean the page not showing? :(
probably the way I did it.. Using Front Page 2003.
Does anyone else have this problem?

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Wow, that is a really nice tutorial. I'm going to have to read over it more closely but I think that gave me a very good idea of how shadow volume works, whereas OGL Game Programming just kind of confused me =P

I did find one spot really rough, the 1-1 thing, where the shadow gets capped... then again I'll read it over one more time and try to find out what it is that's confusing me.

Other than that, nice tutorial, the pictures especially helped =P

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Ya, I didnt explain very well why caping..
Its hard to explain lol, probably I should update it with example situations of bugs if we dont cap.

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humm. sorry, I have problem with data transfer on geocities. They said I have too much data transfer and they close the site :@
Its ok, I create the same site on angelfire if geocities not working
http://www.angelfire.com/games5/duktroa/RealTimeShadowTutorial.htm

[Edited by - Daivuk on August 19, 2004 9:51:31 PM]

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OMG! capping is fine! it makes sense! i missed the "draw the front faces" part. Wow, that's cool... wish I had an engine to just jam this into now =P

Site works fine for me too... no problems at all... though out of fear I think I will save this to my comp =P

Thanks a lot again, i really think it's a easy to understand tutorial for a shadow method that's pretty much perfect. Yay.

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Wow! I followed it very well. That having been my first exposure to Carmack's awesome shadows and how they work.

Is this the technique that ID used and Creative Labs sued over because they had patented this? Or is that something else to do with the shadows? Just what was it about the technique that Creative Labs had patented?

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