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Meshes: Make object mesh face shading consistent
Previously, object meshes had their North and South faces darker than East and West faces, the opposite of nodes and meshnodes. This commit corrects this. State constants as float-literals not double-literals. Simplify code. Add comment.
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19
src/mesh.cpp
19
src/mesh.cpp
@ -186,17 +186,14 @@ void shadeMeshFaces(scene::IMesh *mesh)
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for (u32 i = 0; i < vertex_count; i++) {
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video::S3DVertex *vertex = (video::S3DVertex *)(vertices + i * stride);
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video::SColor &vc = vertex->Color;
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if (vertex->Normal.Y < -0.5) {
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applyFacesShading (vc, 0.447213);
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} else if (vertex->Normal.Z > 0.5) {
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applyFacesShading (vc, 0.670820);
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} else if (vertex->Normal.Z < -0.5) {
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applyFacesShading (vc, 0.670820);
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} else if (vertex->Normal.X > 0.5) {
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applyFacesShading (vc, 0.836660);
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} else if (vertex->Normal.X < -0.5) {
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applyFacesShading (vc, 0.836660);
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}
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// Many special drawtypes have normals set to 0,0,0 and this
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// must result in maximum brightness (no face shadng).
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if (vertex->Normal.Y < -0.5f)
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applyFacesShading (vc, 0.447213f);
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else if (vertex->Normal.X > 0.5f || vertex->Normal.X < -0.5f)
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applyFacesShading (vc, 0.670820f);
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else if (vertex->Normal.Z > 0.5f || vertex->Normal.Z < -0.5f)
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applyFacesShading (vc, 0.836660f);
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}
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}
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}
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