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I think it's time we left shading languages behind :) Why do you think so? What's different now? I see that rendering tasks tend to become more and more complex with time (okay, not purely rendering alone, but all production pipeline getting more complicated, but rendering still big and major part ...

Okay, I see your point. And I believe many others would share you opinion with you if we ask. But I can think of some scenarios where I see conditionals useful. Depending on command line options you can select different versions of the objects to be rendered (high-res/low-res). You could organize ob...

Hi, All! Guys, from your experience... Is there any (practical) use of advanced features in scene description language, I mean variables, expressions, loops, conditionals etc. In other words, is there any sense to make it a full featured programming langues designed specifically to build/describe 3D...

I think ray packets alone is not a panacea at all. Rays become incoherent very quickly with each new intersection. Processing packets of incoherent rays makes no performance benefit especially taking into account overhead for preparing and maintaining packets in the renderer. Coherent paths (entire ...

+1 for ban

ingenious wrote:Are you sure that the L is irradiance and not radiance?

Ingenious )) you are absolutely right ) I mixed them up as radiance for diffuse surface is constant over direction, just mixed them up.

Guys, please help me to understand. If we have diffuse surface, irradiance L, then full radiosity is pi*L. Irradiance is watt/m^2, radiosity is watt/m^2 as well... So the question is: why I think total energy is not conserved? (arriving = L*dA*dt, leaving = pi*L*dA*dt, that's pi times more leaving)....

No problem ) I just look into the pictures you post, that's easy ) You do the hard part - writing code and debugging ))

They try to touch macro geomtry diffraction in Appendix B, but thats different approach which does not allow automatic diffraction as I see it.

I don't see you code, so cant say exactly, but seeing what I see I suspect that the lighter areas are the areas where dot product of -eye vector (direction from the intersection point to to eye) and the normal vector is positive, and darker areas are where dot(-eye, n) < 0. When you calculate angles...