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authorLoren Shih <seraph@lindenlab.com>2011-01-13 10:28:15 -0500
committerLoren Shih <seraph@lindenlab.com>2011-01-13 10:28:15 -0500
commit584c7ecb4ed02e9ab039c6254ffc33331c31058c (patch)
tree19e34f57dc625da58f03e4eb659b721e38f072a7 /indra/llmath
parente7f068c37ef18315a11f1054bfd095b3420025aa (diff)
parent55322713fc071a3e171fd4cfbea989945dc8d084 (diff)
Automated merge up from viewer-development
Diffstat (limited to 'indra/llmath')
-rw-r--r--indra/llmath/llbbox.cpp22
-rw-r--r--indra/llmath/llbbox.h4
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);