diff options
Diffstat (limited to 'indra/llmath/llvolumemgr.cpp')
| -rw-r--r-- | indra/llmath/llvolumemgr.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/indra/llmath/llvolumemgr.cpp b/indra/llmath/llvolumemgr.cpp index eae6ab7f4a..945d74f7c1 100644 --- a/indra/llmath/llvolumemgr.cpp +++ b/indra/llmath/llvolumemgr.cpp @@ -283,6 +283,29 @@ S32 LLVolumeLODGroup::getDetailFromTan(const F32 tan_angle) return NUM_LODS - 1; } +void LLVolumeLODGroup::getDetailProximity(const F32 tan_angle, F32 &to_lower, F32& to_higher) +{ + S32 detail = getDetailFromTan(tan_angle); + + if (detail > 0) + { + to_lower = tan_angle - mDetailThresholds[detail]; + } + else + { + to_lower = 1024.f*1024.f; + } + + if (detail < NUM_LODS-1) + { + to_higher = mDetailThresholds[detail+1] - tan_angle; + } + else + { + to_higher = 1024.f*1024.f; + } +} + F32 LLVolumeLODGroup::getVolumeScaleFromDetail(const S32 detail) { return mDetailScales[detail]; |