Rendering Shadows: Difference between revisions
| Line 17: | Line 17: | ||
===Precomputed Radiance Transfer (PRT)=== | ===Precomputed Radiance Transfer (PRT)=== | ||
{{main | Wikipedia: Precomputed Radiance Transfer}} | {{main | Wikipedia: Precomputed Radiance Transfer}} | ||
===Spherical Harmonics=== | |||
https://www.cs.columbia.edu/~bosun/images/research/sig06/download/shexp.pdf | |||
The idea here is to approximate each blocker object as a set of spheres. For any receiver point and each spherical blocker, we can compute a SH approximation of the light blocked. Then the SH coefficients can be added together to get compute the non-occluded light. | |||
==Ambient Occulusion== | ==Ambient Occulusion== | ||
==References== | ==References== | ||