74 lines
3.1 KiB
C++
74 lines
3.1 KiB
C++
/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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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 (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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#ifndef __VCGLIB_OBOX3
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#define __VCGLIB_OBOX3
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#include <vcg/space/box3.h>
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namespace vcg {
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template<class T>
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class Obox3:public Box3<T>{
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public:
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Matrix44<T> m; // a matrix to go in OB space
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Matrix44<T> mi; // inverse of m: from OB space to World
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/// The bounding box constructor
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inline Obox3():Box3<T>(){}
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/// Copy constructor
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inline Obox3(const Obox3 &b):Box3<T>(b.min,b.max),m(b.m),mi(b.mi){}
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/// Min Max Frame constructor
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inline Obox3(const Point3<T> &min, const Point3<T> &max, const Point3<T> *frame):Box3<T>(min,max){
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T v[16];
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//BaseX: BaseY: BaseZ: O:
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v[0]=frame[0].X(); v[1] =frame[1].X(); v[2] =frame[2].X(); v[3] =frame[3].X();
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v[4]=frame[0].Y(); v[5] =frame[1].Y(); v[6] =frame[2].Y(); v[7] =frame[3].Y();
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v[8]=frame[0].Z(); v[9] =frame[1].Z(); v[10]=frame[2].Z(); v[11]=frame[3].Z();
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v[12]=0.0; v[13]=0.0; v[14]=0.0; v[15]=1;
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mi=Matrix44f(v);
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m =Inverse(mi);
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}
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//Verifica se un punto appartiene ad un oriented bounding box.
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bool IsIn( Point3<T> const &p) const{
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vcg::Point3<T> mod= m*p;
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return Box3<T>::IsIn(mod);
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}
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/// The bounding box distructor
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inline ~Obox3(){}
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}; // end class definition
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typedef Obox3<short> Obox3s;
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typedef Obox3<int> Obox3i;
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typedef Obox3<float> Obox3f;
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typedef Obox3<double> Obox3d;
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} // end namespace
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#endif
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