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Hi! nice video, if i understood fine, light probes are used when you have emission materials or lights "baked only" to sim…

Forum Archive › Hi! nice video, if i understood fine, light probes are used when you have emission materials or lights "baked only" to sim…

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  • October 8, 2016 at 5:19 pm #4607
    Leonel Vazquez
    Participant

      Hi! nice video, if i understood fine, light probes are used when you have emission materials or lights “baked only” to simulate lightmapping in real time. Lights like spot light, directional or point don’t have troubles, for example, casting shadows in real time, am i right?

      Could be an alternative use emission material with point like, and not use light probes? and can i get better performance doing it?

      Sorry for my bad english, and many thanks!

      October 9, 2017 at 9:49 pm #22835
      Jose Miguel Hernandez
      Participant

        i was wondering as well… it seems that a point light can cast light on every object including moving or dynamic objects(i tried). So using a point light in the middle of the sphere would work as an alternative to emission. 

        However, emission seem to be calculated only for static objects. In the example on the plane, not even the cubes got any red light by default. I understood that an object can only use emission textures if it is static itself also. The light probes can be used to sample light and calculate it on non-static objects.  

        Not sure when it is better to use emission over another source of light. perhaps having too many light sources degrades performance?  

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