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