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authorDebi King (Dessie) <dessie@lindenlab.com>2011-08-18 14:46:32 -0400
committerDebi King (Dessie) <dessie@lindenlab.com>2011-08-18 14:46:32 -0400
commitba1589d118db0c25f607c74f37834fe8feed9760 (patch)
tree908e3940d8c9624b1b0591567a35b2314ed6277c /indra/newview/llvosky.cpp
parent6c61a537918b5cc73336885f8bdd34943fda2482 (diff)
parentd36a9a7907a1528a8d163577a0770b50e6248802 (diff)
merged .hgtags
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;