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I have a mountain scene and I want to reduce snow only from the bright areas of a plane. Is there a way to do this dynamically, so I dont have to use vertex paint, and it reacts to light change? Like is there a node setup that detects light amount or something like this?

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  • $\begingroup$ Nice question.. could we ask you for some specs? Do you want the snow to have thickness? If so, would you be prepared to bake an image sequence to control it? (That would need a separate pass).. and do you want the snow to stay melted, even if the light has come off it? $\endgroup$ – Robin Betts Jan 22 at 10:56
  • $\begingroup$ My only goal it to simply make the snow disappear where the sun shines and I'm not planning on animation this time. But if keeping the snow melted is possible, it would be nice to know for later. $\endgroup$ – Cross313 Jan 22 at 11:08
  • $\begingroup$ In EEVEE, there's a Shader to RGB node, which lets you do anything you like with the light-response of a surface, but no displacement, so for thickness, you would need a bake.. there are other routes.. $\endgroup$ – Robin Betts Jan 22 at 11:31

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