llbboxlocal.cpp
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- /**
- * @file llbboxlocal.cpp
- * @brief General purpose bounding box class (Not axis aligned).
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #include "linden_common.h"
- #include "llbboxlocal.h"
- #include "m4math.h"
- void LLBBoxLocal::addPoint(const LLVector3& p)
- {
- mMin.mV[VX] = llmin( p.mV[VX], mMin.mV[VX] );
- mMin.mV[VY] = llmin( p.mV[VY], mMin.mV[VY] );
- mMin.mV[VZ] = llmin( p.mV[VZ], mMin.mV[VZ] );
- mMax.mV[VX] = llmax( p.mV[VX], mMax.mV[VX] );
- mMax.mV[VY] = llmax( p.mV[VY], mMax.mV[VY] );
- mMax.mV[VZ] = llmax( p.mV[VZ], mMax.mV[VZ] );
- }
- void LLBBoxLocal::expand( F32 delta )
- {
- mMin.mV[VX] -= delta;
- mMin.mV[VY] -= delta;
- mMin.mV[VZ] -= delta;
- mMax.mV[VX] += delta;
- mMax.mV[VY] += delta;
- mMax.mV[VZ] += delta;
- }
- LLBBoxLocal operator*(const LLBBoxLocal &a, const LLMatrix4 &b)
- {
- return LLBBoxLocal( a.mMin * b, a.mMax * b );
- }