| Poster | : daVinci | | Posts | : 4 | | Country | : Russia | | City | : Chelyabisk |
| | | | Posted by daVinci on 29/10/2006 at 11:50:13
| | | I really wonder if shadow mapping can be combined with PRT lighting. It would be nice to see cool soft PRT shadows for static objects and shadow mapped dynamic objects. Is it possible? What do you think? | |
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| Poster | : riemer | | Posts | : 1388 | | Country | : Belgium | | City | : Antwerp |
| | | | Posted by riemer on 29/10/2006 at 12:36:02
| | Everything is possible, some things just take more time than others :)
But it should be feasible. First I would draw store the intensity of the precomputed lighting as white values in a texture. Then, for each dynamic light, I would add the intensity to the texture.
In the end, simply multiply each pixel with the corresponding (projected) value in the intenisty image.
What's your opinion on this? | |
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| Poster | : daVinci | | Posts | : 4 | | Country | : Russia | | City | : Chelyabisk |
| | | | Posted by daVinci on 29/10/2006 at 13:19:37
| | It is plausible to assume that this solution can work. I have been just staring the shadows research. I want to implement shadow mapping and PRT. After that I want to try it's combined.
Actually, PRT has a lot of limitations, but it looks pretty good. I would like to know if it is safe to say shadow mapping is the best shadow technique.
The tutorial is really good. Thank you muchly. | |
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| Poster | : riemer | | Posts | : 1388 | | Country | : Belgium | | City | : Antwerp |
| | | | Posted by riemer on 30/10/2006 at 05:33:02
| | For real-time 3D shadowing, you have 2 options: Shadow Mapping or Shadow Volume. There are some discussions about which one is the most performant, they both have their own pros and cons.
I opted for the shadow mapping technique, because it allowed me to show some nessecary HSLS techniques (projective texturing, setting depth values,...).
This is the wikipedia link:
http://en.wikipedia.org/wiki/Carmack's_Reverse | |
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