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-rwxr-xr-xMaster/texmf-dist/asymptote/shaders/vertex.glsl2
1 files changed, 1 insertions, 1 deletions
diff --git a/Master/texmf-dist/asymptote/shaders/vertex.glsl b/Master/texmf-dist/asymptote/shaders/vertex.glsl
index 9a54d3211ca..4b2a54b9897 100755
--- a/Master/texmf-dist/asymptote/shaders/vertex.glsl
+++ b/Master/texmf-dist/asymptote/shaders/vertex.glsl
@@ -34,7 +34,7 @@ void main()
#ifndef ORTHOGRAPHIC
ViewPosition=(viewMat*v).xyz;
#endif
- Normal=normal*normMat;
+ Normal=normalize(normal*normMat);
#endif
#ifdef COLOR