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/********************************************************************************
* *
* R a n g e C l a s s *
* *
*********************************************************************************
* Copyright (C) 1994,2002 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *
*********************************************************************************
* $Id: FXRange.h,v 1.6 2002/01/18 22:42:54 jeroen Exp $ *
********************************************************************************/
#ifndef FXRANGE_H
#define FXRANGE_H
/// Range
class FXAPI FXRange {
protected:
FXfloat d[3][2];
public:
/// Default constructor
FXRange(){}
/// Initialize
FXRange(FXfloat xlo,FXfloat xhi,FXfloat ylo,FXfloat yhi,FXfloat zlo,FXfloat zhi){
d[0][0]=xlo; d[0][1]=xhi;
d[1][0]=ylo; d[1][1]=yhi;
d[2][0]=zlo; d[2][1]=zhi;
}
/// Length of side i
FXfloat side(FXint i) const { return d[i][1]-d[i][0]; }
/// Width of box
FXfloat width() const { return d[0][1]-d[0][0]; }
/// Height of box
FXfloat height() const { return d[1][1]-d[1][0]; }
/// Depth of box
FXfloat depth() const { return d[2][1]-d[2][0]; }
/// Longest side
FXfloat longest() const;
/// shortest side
FXfloat shortest() const;
/// Test if empty
FXbool empty() const;
/// Test if overlap
FXbool overlap(const FXRange& box) const;
/// Test if box contains point x,y,z
FXbool contains(FXfloat x,FXfloat y,FXfloat z) const;
/// Indexing
FXfloat* operator[](FXint i){ return d[i]; }
/// Indexing
const FXfloat* operator[](FXint i) const { return d[i]; }
/// Include given range into box
FXRange& include(const FXRange& box);
/// Include point
FXRange& include(FXfloat x,FXfloat y,FXfloat z);
/// Include point
FXRange& include(const FXVec& v);
/// Clip domain against another
FXRange& clipTo(const FXRange& box);
/// Get corners of box
friend FXAPI void boxCorners(FXVec* points,const FXRange& box);
/// Ray intersection test
friend FXAPI FXbool boxIntersect(const FXRange& box,const FXVec& u,const FXVec& v);
/// Get center of box
friend FXAPI FXVec boxCenter(const FXRange& box);
/// Compute diagonal
friend FXAPI FXfloat boxDiagonal(const FXRange& box);
/// Save object to a stream
friend FXAPI FXStream& operator<<(FXStream& store,const FXRange& box);
/// Load object from a stream
friend FXAPI FXStream& operator>>(FXStream& store,FXRange& box);
};
#endif
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