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| author | Dave Parks <davep@lindenlab.com> | 2011-05-16 12:34:15 -0500 |
|---|---|---|
| committer | Dave Parks <davep@lindenlab.com> | 2011-05-16 12:34:15 -0500 |
| commit | 8a92612fd976b6e38383d9ee46be5b51053e0998 (patch) | |
| tree | 0c06d99c2b6a8aaa5c78661b488ff8b59b83c523 /indra/llmath/v3math.cpp | |
| parent | 0b5f662c3bf1655b95dbb92ad3f16bae37ee04f4 (diff) | |
| parent | d6fda15c34896db3b911c3719871ce317edaab1d (diff) | |
merge
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 ) |