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Ah, cool! I think he told me about this work when we chatted at ICFP last year, but wasn't able to find it. So thanks for the link!
by wheatBread 12y ago
Ah, cool! I think he told me about this work when we chatted at ICFP last year, but wasn't able to find it. So thanks for the link!
- seanmcdirmid 12y agoOne thing that this work requires is some from of symbolic differentiation. Basically, given some expression e, you have to compute, via a symbolic analysis on e's structure, a derivative for e, e'. e' can then be used to compute normals used for shading, replacing the need for a hand crafted normal map (you can also approximate normals via sampling, but if you have a functional definition of a surface, why not just use derivatives!). This definitely requires some compiler support, but the purity of Elm should be helpful in that regard.