97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
/**
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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#ifndef BOP_BBOX_H
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#define BOP_BBOX_H
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#include "MT_Point3.h"
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#include "BOP_MathUtils.h"
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#define BOP_MAX(a, b) ((a > b) ? a : b)
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#define BOP_MIN(a, b) ((a < b) ? a : b)
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#define BOP_ABS(a) ((a < 0) ? -(a) : a)
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class BOP_BBox
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{
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public:
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MT_Scalar m_minX;
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MT_Scalar m_minY;
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MT_Scalar m_minZ;
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MT_Scalar m_maxX;
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MT_Scalar m_maxY;
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MT_Scalar m_maxZ;
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MT_Scalar m_centerX;
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MT_Scalar m_centerY;
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MT_Scalar m_centerZ;
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MT_Scalar m_extentX;
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MT_Scalar m_extentY;
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MT_Scalar m_extentZ;
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public:
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BOP_BBox();
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BOP_BBox(const MT_Point3& p1,const MT_Point3& p2,const MT_Point3& p3);
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inline void add(const MT_Point3& p)
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{
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m_minX = BOP_MIN(m_minX,p[0]);
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m_minY = BOP_MIN(m_minY,p[1]);
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m_minZ = BOP_MIN(m_minZ,p[2]);
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m_maxX = BOP_MAX(m_maxX,p[0]);
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m_maxY = BOP_MAX(m_maxY,p[1]);
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m_maxZ = BOP_MAX(m_maxZ,p[2]);
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};
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inline const MT_Scalar getCenterX() const {return m_centerX;};
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inline const MT_Scalar getCenterY() const {return m_centerY;};
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inline const MT_Scalar getCenterZ() const {return m_centerZ;};
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inline const MT_Scalar getExtentX() const {return m_extentX;};
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inline const MT_Scalar getExtentY() const {return m_extentY;};
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inline const MT_Scalar getExtentZ() const {return m_extentZ;};
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inline void compute() {
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m_extentX = (m_maxX-m_minX)/2.0f;
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m_extentY = (m_maxY-m_minY)/2.0f;
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m_extentZ = (m_maxZ-m_minZ)/2.0f;
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m_centerX = m_minX+m_extentX;
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m_centerY = m_minY+m_extentY;
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m_centerZ = m_minZ+m_extentZ;
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};
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inline const bool intersect(const BOP_BBox& b) const {
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return (!((BOP_comp(m_maxX,b.m_minX)<0) || (BOP_comp(b.m_maxX,m_minX)<0) ||
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(BOP_comp(m_maxY,b.m_minY)<0) || (BOP_comp(b.m_maxY,m_minY)<0) ||
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(BOP_comp(m_maxZ,b.m_minZ)<0) || (BOP_comp(b.m_maxZ,m_minZ)<0)));
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};
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};
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#endif
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