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| author | Dan Goodliffe <dan@randomdan.homeip.net> | 2022-12-04 19:22:32 +0000 |
|---|---|---|
| committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2022-12-04 19:22:32 +0000 |
| commit | 5c8ee551d26f6d883d40b5c1a9f36b2b0eac2756 (patch) | |
| tree | e6af71e2fceffb6811c1df4730c301e104adf9c9 /gfx/models | |
| parent | Do not unilluminate the back of objects (diff) | |
| download | ilt-5c8ee551d26f6d883d40b5c1a9f36b2b0eac2756.tar.bz2 ilt-5c8ee551d26f6d883d40b5c1a9f36b2b0eac2756.tar.xz ilt-5c8ee551d26f6d883d40b5c1a9f36b2b0eac2756.zip | |
We need to transform the model normals the same as we do the vertices
Diffstat (limited to 'gfx/models')
| -rw-r--r-- | gfx/models/obj.impl.cpp | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/gfx/models/obj.impl.cpp b/gfx/models/obj.impl.cpp index d73d82e..205abc8 100644 --- a/gfx/models/obj.impl.cpp +++ b/gfx/models/obj.impl.cpp @@ -19,15 +19,18 @@ ObjParser::ObjParser(std::unique_ptr<std::istream> in) : yyFlexLexer(in.get()) assert(in); ObjParser::yylex(); assert(in->good()); - std::for_each(vertices.begin(), vertices.end(), [](auto & v) { - constexpr const glm::mat4 obj2ilt { - -1, 0, 0, 0, // x - 0, 0, 1, 0, // y - 0, 1, 0, 0, // z - 0, 0, 0, 0, // w - }; + constexpr const glm::mat4 obj2ilt { + -1, 0, 0, 0, // x + 0, 0, 1, 0, // y + 0, 1, 0, 0, // z + 0, 0, 0, 0, // w + }; + std::for_each(vertices.begin(), vertices.end(), [&obj2ilt](auto & v) { v = v * obj2ilt; }); + std::for_each(normals.begin(), normals.end(), [&obj2ilt](auto & v) { + v = glm::vec4 {v, 0} * obj2ilt; + }); } ObjParser::NamedMeshes |