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| author | Leslie Linden <none@none> | 2011-06-08 13:41:40 -0700 |
|---|---|---|
| committer | Leslie Linden <none@none> | 2011-06-08 13:41:40 -0700 |
| commit | de78d17e912b7e2a4c563a7a428f11cce33644c0 (patch) | |
| tree | 6c415389f180f6a5d879b050670fd6cd3d987229 /indra/llmath/v3math.cpp | |
| parent | 888b39c283e53fd128778e70e231bcb6053de4b8 (diff) | |
| parent | 1361eeae4e4538c175a32d48246897c4659cc26c (diff) | |
Merge from viewer-experience
Diffstat (limited to 'indra/llmath/v3math.cpp')
| -rw-r--r-- | indra/llmath/v3math.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/indra/llmath/v3math.cpp b/indra/llmath/v3math.cpp index 18b15e08c4..e7107dee16 100644 --- a/indra/llmath/v3math.cpp +++ b/indra/llmath/v3math.cpp @@ -206,6 +206,28 @@ const LLVector3& LLVector3::rotVec(const LLQuaternion &q) return *this; } +const LLVector3& LLVector3::transVec(const LLMatrix4& mat) +{ + setVec( + mV[VX] * mat.mMatrix[VX][VX] + + mV[VY] * mat.mMatrix[VX][VY] + + mV[VZ] * mat.mMatrix[VX][VZ] + + mat.mMatrix[VX][VW], + + mV[VX] * mat.mMatrix[VY][VX] + + mV[VY] * mat.mMatrix[VY][VY] + + mV[VZ] * mat.mMatrix[VY][VZ] + + mat.mMatrix[VY][VW], + + mV[VX] * mat.mMatrix[VZ][VX] + + mV[VY] * mat.mMatrix[VZ][VY] + + mV[VZ] * mat.mMatrix[VZ][VZ] + + mat.mMatrix[VZ][VW]); + + return *this; +} + + const LLVector3& LLVector3::rotVec(F32 angle, const LLVector3 &vec) { if ( !vec.isExactlyZero() && angle ) |