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| author | Oz Linden <oz@lindenlab.com> | 2011-08-01 17:09:25 -0400 |
|---|---|---|
| committer | Oz Linden <oz@lindenlab.com> | 2011-08-01 17:09:25 -0400 |
| commit | 9eb555bbe60e0f388593c489d6c473e4adcbd956 (patch) | |
| tree | 8d7ce38c1c2b539d2ee058a64eedb54b48f7949b /indra/newview/llvosky.cpp | |
| parent | 5f71e29d8a2a56fe560412698c40b5816e9f47e6 (diff) | |
| parent | 5711fda52f3939f482358ad5265618fb56da5998 (diff) | |
merge changes for storm-1535
Diffstat (limited to 'indra/newview/llvosky.cpp')
| -rw-r--r-- | indra/newview/llvosky.cpp | 5 |
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; |