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authorLeyla Farazha <leyla@lindenlab.com>2011-08-12 14:53:25 -0700
committerLeyla Farazha <leyla@lindenlab.com>2011-08-12 14:53:25 -0700
commit10ec0049125317d5c0bdd1bf89b96a54a9b2d873 (patch)
tree97efa1a6731aef7e703e1a6ca2eaa4a01dbb6fa8 /indra/newview/llvosky.cpp
parente69efc8369a65008d41155717761fbaec0e309c5 (diff)
parent25f1653ca0a25c73b3c0649ee5bb7c65e5378eac (diff)
merge from viewer-experience
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;