Irradiance Probes

Computer Graphics · Real-Time Shading · light-probes.yaml

Samples indirect irradiance at a grid of points and interpolates between them for dynamic objects, decoupling indirect lighting cost from the number of things being lit.

• supersedescorrects · extends
• classifiesspecializes · part-of
• substitutes forapproximates · alternative-to
• depends onrequires · validates

Colour is the family; a dashed line is the second member of it.

This node

• approximatesis a cheaper stand-in for Irradiance Cachinga fixed grid instead of adaptively placed samples

Referenced by

• correctsDynamic Diffuse Global Illumination fixes a defect in thisplain probe interpolation leaks light through walls

References

• Background — Image-based lighting on Wikipedia