38 lines
879 B
C++
38 lines
879 B
C++
/**
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* @file llbboxlocal.cpp
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* @brief General purpose bounding box class (Not axis aligned).
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*
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* Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
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* $License$
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*/
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#include "linden_common.h"
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#include "llbboxlocal.h"
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#include "m4math.h"
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void LLBBoxLocal::addPoint(const LLVector3& p)
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{
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mMin.mV[VX] = llmin( p.mV[VX], mMin.mV[VX] );
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mMin.mV[VY] = llmin( p.mV[VY], mMin.mV[VY] );
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mMin.mV[VZ] = llmin( p.mV[VZ], mMin.mV[VZ] );
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mMax.mV[VX] = llmax( p.mV[VX], mMax.mV[VX] );
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mMax.mV[VY] = llmax( p.mV[VY], mMax.mV[VY] );
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mMax.mV[VZ] = llmax( p.mV[VZ], mMax.mV[VZ] );
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}
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void LLBBoxLocal::expand( F32 delta )
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{
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mMin.mV[VX] -= delta;
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mMin.mV[VY] -= delta;
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mMin.mV[VZ] -= delta;
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mMax.mV[VX] += delta;
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mMax.mV[VY] += delta;
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mMax.mV[VZ] += delta;
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}
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LLBBoxLocal operator*(const LLBBoxLocal &a, const LLMatrix4 &b)
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{
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return LLBBoxLocal( a.mMin * b, a.mMax * b );
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}
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