From: Stuart Buchanan <stuart_d_buchanan@yahoo.co.uk>
Date: Wed, 1 May 2013 21:01:45 +0000 (+0100)
Subject: Reduce the height of tree UV coordinates to work around mipmap issues.
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=7c7109edf4160890aac7c98aeee206002cecb551;p=simgear.git

Reduce the height of tree UV coordinates to work around mipmap issues.
---

diff --git a/simgear/scene/tgdb/TreeBin.cxx b/simgear/scene/tgdb/TreeBin.cxx
index 3f67483a..a101bf0e 100644
--- a/simgear/scene/tgdb/TreeBin.cxx
+++ b/simgear/scene/tgdb/TreeBin.cxx
@@ -135,11 +135,13 @@ Geometry* makeSharedTreeGeometry(int numQuads)
         // space, as the texture has a number of different trees on
         // it. Here we assign random coordinates and let the shader
         // choose the variety.
+        // Height isn't quite 0.25 to allow for UV map bleeding when
+        // mipmaps are generated.
         float variety = mt_rand(&seed);
         t->push_back(Vec2(variety, 0.0f));
         t->push_back(Vec2(variety + 1.0f, 0.0f));
-        t->push_back(Vec2(variety + 1.0f, 0.25f));
-        t->push_back(Vec2(variety, 0.25f));
+        t->push_back(Vec2(variety + 1.0f, 0.246f));
+        t->push_back(Vec2(variety, 0.246f));
     }
     Geometry* result = new Geometry;
     result->setVertexArray(v);