diff options
| author | Dave SIMmONs <simon@lindenlab.com> | 2011-05-24 10:51:09 -0700 |
|---|---|---|
| committer | Dave SIMmONs <simon@lindenlab.com> | 2011-05-24 10:51:09 -0700 |
| commit | 3dfb4944ed916f9a251078a2614a854b9de0315d (patch) | |
| tree | 251a82d2511132632d12e36c8e8be0d7bf5b11cf /indra/llmath/v3math.cpp | |
| parent | 1a5b3b0a9091a72fd5e5fb395f7f0c97b0fd502c (diff) | |
| parent | e5752934be74a84e6ec0ff8cb96974bd1e9060ec (diff) | |
Merge latest from lindenlab/viewer-development
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 ) |