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Main Page Class Hierarchy Alphabetical List Compound List File List Compound Members
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00001 /******************************************************************************** 00002 * * 00003 * R a n g e C l a s s * 00004 * * 00005 ********************************************************************************* 00006 * Copyright (C) 1994,2004 by Jeroen van der Zijp. All Rights Reserved. * 00007 ********************************************************************************* 00008 * This library is free software; you can redistribute it and/or * 00009 * modify it under the terms of the GNU Lesser General Public * 00010 * License as published by the Free Software Foundation; either * 00011 * version 2.1 of the License, or (at your option) any later version. * 00012 * * 00013 * This library is distributed in the hope that it will be useful, * 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00016 * Lesser General Public License for more details. * 00017 * * 00018 * You should have received a copy of the GNU Lesser General Public * 00019 * License along with this library; if not, write to the Free Software * 00020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * 00021 ********************************************************************************* 00022 * $Id: FXRange.h,v 1.12 2004/02/08 17:17:34 fox Exp $ * 00023 ********************************************************************************/ 00024 #ifndef FXRANGE_H 00025 #define FXRANGE_H 00026 00027 namespace FX { 00028 00029 00030 /// Range 00031 class FXAPI FXRange { 00032 protected: 00033 FXfloat d[3][2]; 00034 public: 00035 00036 /// Default constructor 00037 FXRange(){} 00038 00039 /// Initialize 00040 FXRange(FXfloat xlo,FXfloat xhi,FXfloat ylo,FXfloat yhi,FXfloat zlo,FXfloat zhi){ 00041 d[0][0]=xlo; d[0][1]=xhi; 00042 d[1][0]=ylo; d[1][1]=yhi; 00043 d[2][0]=zlo; d[2][1]=zhi; 00044 } 00045 00046 /// Length of side i 00047 FXfloat side(FXint i) const { return d[i][1]-d[i][0]; } 00048 00049 /// Width of box 00050 FXfloat width() const { return d[0][1]-d[0][0]; } 00051 00052 /// Height of box 00053 FXfloat height() const { return d[1][1]-d[1][0]; } 00054 00055 /// Depth of box 00056 FXfloat depth() const { return d[2][1]-d[2][0]; } 00057 00058 /// Longest side 00059 FXfloat longest() const; 00060 00061 /// shortest side 00062 FXfloat shortest() const; 00063 00064 /// Test if empty 00065 FXbool empty() const; 00066 00067 /// Test if overlap 00068 FXbool overlap(const FXRange& box) const; 00069 00070 /// Test if box contains point x,y,z 00071 FXbool contains(FXfloat x,FXfloat y,FXfloat z) const; 00072 00073 /// Indexing 00074 FXfloat* operator[](FXint i){ return d[i]; } 00075 00076 /// Indexing 00077 const FXfloat* operator[](FXint i) const { return d[i]; } 00078 00079 /// Include given range into box 00080 FXRange& include(const FXRange& box); 00081 00082 /// Include point 00083 FXRange& include(FXfloat x,FXfloat y,FXfloat z); 00084 00085 /// Include point 00086 FXRange& include(const FXVec3f& v); 00087 00088 /// Clip domain against another 00089 FXRange& clipTo(const FXRange& box); 00090 00091 /// Get corners of box 00092 friend FXAPI void boxCorners(FXVec3f* points,const FXRange& box); 00093 00094 /// Ray intersection test 00095 friend FXAPI FXbool boxIntersect(const FXRange& box,const FXVec3f& u,const FXVec3f& v); 00096 00097 /// Get center of box 00098 friend FXAPI FXVec3f boxCenter(const FXRange& box); 00099 00100 /// Compute diagonal 00101 friend FXAPI FXfloat boxDiagonal(const FXRange& box); 00102 00103 /// Save object to a stream 00104 friend FXAPI FXStream& operator<<(FXStream& store,const FXRange& box); 00105 00106 /// Load object from a stream 00107 friend FXAPI FXStream& operator>>(FXStream& store,FXRange& box); 00108 }; 00109 00110 } 00111 00112 #endif
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