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authorNyx (Neal Orman) <nyx@lindenlab.com>2011-08-02 17:19:09 -0400
committerNyx (Neal Orman) <nyx@lindenlab.com>2011-08-02 17:19:09 -0400
commitc7b2a88875e21f7610dd3e7c5d3f528b28d5ab55 (patch)
treea4408b6bdfed37a95f69e16dcab17673cefb6f32 /indra/newview/llvosky.cpp
parent9883c33993f7a548c876b43494ffd5835473a211 (diff)
parent9eb555bbe60e0f388593c489d6c473e4adcbd956 (diff)
pulling latest viewer-development into mesh merge branch.
Diffstat (limited to 'indra/newview/llvosky.cpp')
-rw-r--r--indra/newview/llvosky.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/indra/newview/llvosky.cpp b/indra/newview/llvosky.cpp
index 66ba6249d3..ef21e7373e 100644
--- a/indra/newview/llvosky.cpp
+++ b/indra/newview/llvosky.cpp
@@ -755,6 +755,11 @@ void LLVOSky::calcSkyColorWLVert(LLVector3 & Pn, LLColor3 & vary_HazeColor, LLCo
// project the direction ray onto the sky dome.
F32 phi = acos(Pn[1]);
F32 sinA = sin(F_PI - phi);
+ if (fabsf(sinA) < 0.01f)
+ { //avoid division by zero
+ sinA = 0.01f;
+ }
+
F32 Plen = dome_radius * sin(F_PI + phi + asin(dome_offset_ratio * sinA)) / sinA;
Pn *= Plen;