Like Travis said, have the temperature map in a separate channel of your texture. Pipe that into the UVs of your color ramp, and pipe the result into your Emissive slot. Next-gen graphics ezpz!
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Like Travis said, have the temperature map in a separate channel of your texture. Pipe that into the UVs of your color ramp, and pipe the result into your Emissive slot. Next-gen graphics ezpz!