diff options
author | Loren Shih <seraph@lindenlab.com> | 2011-01-13 10:28:15 -0500 |
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committer | Loren Shih <seraph@lindenlab.com> | 2011-01-13 10:28:15 -0500 |
commit | 584c7ecb4ed02e9ab039c6254ffc33331c31058c (patch) | |
tree | 19e34f57dc625da58f03e4eb659b721e38f072a7 /indra/llmath | |
parent | e7f068c37ef18315a11f1054bfd095b3420025aa (diff) | |
parent | 55322713fc071a3e171fd4cfbea989945dc8d084 (diff) |
Automated merge up from viewer-development
Diffstat (limited to 'indra/llmath')
-rw-r--r-- | indra/llmath/llbbox.cpp | 22 | ||||
-rw-r--r-- | indra/llmath/llbbox.h | 4 |
2 files changed, 26 insertions, 0 deletions
diff --git a/indra/llmath/llbbox.cpp b/indra/llmath/llbbox.cpp index b46a6e03d2..3e2c05a6e6 100644 --- a/indra/llmath/llbbox.cpp +++ b/indra/llmath/llbbox.cpp @@ -89,6 +89,19 @@ void LLBBox::addBBoxAgent(const LLBBox& b) } } +LLBBox LLBBox::getAxisAligned() const +{ + // no rotation = axis aligned rotation + LLBBox aligned(mPosAgent, LLQuaternion(), LLVector3(), LLVector3()); + + // add the center point so that it's not empty + aligned.addPointAgent(mPosAgent); + + // add our BBox + aligned.addBBoxAgent(*this); + + return aligned; +} void LLBBox::expand( F32 delta ) { @@ -147,6 +160,15 @@ BOOL LLBBox::containsPointAgent(const LLVector3& p) const return containsPointLocal(point_local); } +LLVector3 LLBBox::getMinAgent() const +{ + return localToAgent(mMinLocal); +} + +LLVector3 LLBBox::getMaxAgent() const +{ + return localToAgent(mMaxLocal); +} /* LLBBox operator*(const LLBBox &a, const LLMatrix4 &b) diff --git a/indra/llmath/llbbox.h b/indra/llmath/llbbox.h index 5b911793f0..28e69b75e1 100644 --- a/indra/llmath/llbbox.h +++ b/indra/llmath/llbbox.h @@ -51,9 +51,11 @@ public: const LLVector3& getPositionAgent() const { return mPosAgent; } const LLQuaternion& getRotation() const { return mRotation; } + LLVector3 getMinAgent() const; const LLVector3& getMinLocal() const { return mMinLocal; } void setMinLocal( const LLVector3& min ) { mMinLocal = min; } + LLVector3 getMaxAgent() const; const LLVector3& getMaxLocal() const { return mMaxLocal; } void setMaxLocal( const LLVector3& max ) { mMaxLocal = max; } @@ -80,6 +82,8 @@ public: LLVector3 localToAgentBasis(const LLVector3& v) const; LLVector3 agentToLocalBasis(const LLVector3& v) const; + // Get the smallest possible axis aligned bbox that contains this bbox + LLBBox getAxisAligned() const; // friend LLBBox operator*(const LLBBox& a, const LLMatrix4& b); |