I want a material where the side that is facing the light is glossy and the other side is some other shader like glass or something. What sort of nodes should I use? I've been searching around the internet for something related to this but I got nothing. I've actually been searching for many months but didn't realize I could just ask myself.
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Use a Geometry Node to control the Mix factor between two shaders in a Mix Shader node. Use the Backfacing socket to set one shader to the backface of the plane, and the other is set to the front face.
answered Jan 23 '17 at 20:57
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$\begingroup$ if im using a sphere it doesn't work $\endgroup$ Jan 23 '17 at 21:35
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$\begingroup$ @SpaniardsFromheaven it does work, though the other material is only be visible from inside the sphere $\endgroup$ Jan 23 '17 at 23:59
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$\begingroup$ Might want to edit your question to explain that then. I haven't an idea on that one, and a specific use case like that needs a specific answer. $\endgroup$ Jan 24 '17 at 2:04
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$\begingroup$ In Texture Coordinate node, you can use the eyedropper to select your light object, and maybe then plugging 'Object' coordinate to mix factor might work. $\endgroup$ Jan 24 '17 at 3:37