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Avoid UV bleeding issues on trees by using a strip of textures.

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Stuart Buchanan
2013-05-10 20:03:48 +01:00
parent c96d7ae226
commit d18cc81531
1 changed files with 2 additions and 4 deletions
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simgear/scene/tgdb/TreeBin.cxx
+2 -4
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@@ -135,13 +135,11 @@ Geometry* makeSharedTreeGeometry(int numQuads)
// space, as the texture has a number of different trees on // space, as the texture has a number of different trees on
// it. Here we assign random coordinates and let the shader // it. Here we assign random coordinates and let the shader
// choose the variety. // choose the variety.
// Height isn't quite 0.25 to allow for UV map bleeding when
// mipmaps are generated.
float variety = mt_rand(&seed); float variety = mt_rand(&seed);
t->push_back(Vec2(variety, 0.0f)); t->push_back(Vec2(variety, 0.0f));
t->push_back(Vec2(variety + 1.0f, 0.0f)); t->push_back(Vec2(variety + 1.0f, 0.0f));
t->push_back(Vec2(variety + 1.0f, 0.246f)); t->push_back(Vec2(variety + 1.0f, 1.0f));
t->push_back(Vec2(variety, 0.246f)); t->push_back(Vec2(variety, 1.0f));
} }
Geometry* result = new Geometry; Geometry* result = new Geometry;
result->setVertexArray(v); result->setVertexArray(v);