diff options
Diffstat (limited to 'indra/llmath/llvolume.cpp')
| -rw-r--r-- | indra/llmath/llvolume.cpp | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp index d1716e1407..7e1517fba7 100644 --- a/indra/llmath/llvolume.cpp +++ b/indra/llmath/llvolume.cpp @@ -5614,19 +5614,31 @@ void LLVolumeFace::createBinormals() } } -void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& transform, LLMatrix4& norm_transform) +void LLVolumeFace::appendFace(const LLVolumeFace& face, LLMatrix4& mat, LLMatrix4& norm_mat) { + U16 offset = mVertices.size(); + + for (U32 i = 0; i < face.mVertices.size(); ++i) { VertexData v = face.mVertices[i]; - v.mPosition *= mat; - v.mNormal *= norm_transform; + v.mPosition = v.mPosition*mat; + v.mNormal = v.mNormal * norm_mat; mVertices.push_back(v); + + if (offset == 0 && i == 0) + { + mExtents[0] = mExtents[1] = v.mPosition; + } + else + { + update_min_max(mExtents[0], mExtents[1], v.mPosition); + } } - U16 offset = mIndices.size(); + for (U32 i = 0; i < face.mIndices.size(); ++i) { mIndices.push_back(face.mIndices[i]+offset); |