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Thermal / infrared grabpass shader
MessagePosté le: 29/11/2017 06:35:58 Répondre en citant

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I've written grabpass shaders that modify the background (e.g. distorting it to create an underwater effect) but I'm not sure how to create an infrared effect like a FLIR device or military scope. The main problem is figuring out which pixels are supposed to be giving off heat. Heat-emitting entities (like people) would need to have a shader that writes data to something that the grabpass shader can pick up, but I'm drawing a blank on how to do that (either because I'm tired or just plain stupid, or maybe there's no feasible way to do it). A search didn't find what I'm trying to do.

Please help.


I didn't find the right solution from the Internet.


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MessagePosté le: 29/11/2017 06:35:58

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Thermal / infrared grabpass shader
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