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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.
This commit is contained in:
paramat 2016-12-24 06:40:57 +00:00
parent 5d60a6c533
commit 25ba96fcac
1 changed files with 8 additions and 11 deletions
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19
src/mesh.cpp
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@ -186,17 +186,14 @@ void shadeMeshFaces(scene::IMesh *mesh)
for (u32 i = 0; i < vertex_count; i++) {
video::S3DVertex *vertex = (video::S3DVertex *)(vertices + i * stride);
video::SColor &vc = vertex->Color;
if (vertex->Normal.Y < -0.5) {
applyFacesShading (vc, 0.447213);
} else if (vertex->Normal.Z > 0.5) {
applyFacesShading (vc, 0.670820);
} else if (vertex->Normal.Z < -0.5) {
applyFacesShading (vc, 0.670820);
} else if (vertex->Normal.X > 0.5) {
applyFacesShading (vc, 0.836660);
} else if (vertex->Normal.X < -0.5) {
applyFacesShading (vc, 0.836660);
}
// Many special drawtypes have normals set to 0,0,0 and this
// must result in maximum brightness (no face shadng).
if (vertex->Normal.Y < -0.5f)
applyFacesShading (vc, 0.447213f);
else if (vertex->Normal.X > 0.5f || vertex->Normal.X < -0.5f)
applyFacesShading (vc, 0.670820f);
else if (vertex->Normal.Z > 0.5f || vertex->Normal.Z < -0.5f)
applyFacesShading (vc, 0.836660f);
}
}
}