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<h1>FXRange.h</h1><div class="fragment"><pre>00001 <span class="comment">/********************************************************************************</span>
00002 <span class="comment">* *</span>
00003 <span class="comment">* R a n g e C l a s s *</span>
00004 <span class="comment">* *</span>
00005 <span class="comment">*********************************************************************************</span>
00006 <span class="comment">* Copyright (C) 1994,2004 by Jeroen van der Zijp. All Rights Reserved. *</span>
00007 <span class="comment">*********************************************************************************</span>
00008 <span class="comment">* This library is free software; you can redistribute it and/or *</span>
00009 <span class="comment">* modify it under the terms of the GNU Lesser General Public *</span>
00010 <span class="comment">* License as published by the Free Software Foundation; either *</span>
00011 <span class="comment">* version 2.1 of the License, or (at your option) any later version. *</span>
00012 <span class="comment">* *</span>
00013 <span class="comment">* This library is distributed in the hope that it will be useful, *</span>
00014 <span class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of *</span>
00015 <span class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *</span>
00016 <span class="comment">* Lesser General Public License for more details. *</span>
00017 <span class="comment">* *</span>
00018 <span class="comment">* You should have received a copy of the GNU Lesser General Public *</span>
00019 <span class="comment">* License along with this library; if not, write to the Free Software *</span>
00020 <span class="comment">* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *</span>
00021 <span class="comment">*********************************************************************************</span>
00022 <span class="comment">* $Id: FXRange.h,v 1.12 2004/02/08 17:17:34 fox Exp $ *</span>
00023 <span class="comment">********************************************************************************/</span>
00024 <span class="preprocessor">#ifndef FXRANGE_H</span>
00025 <span class="preprocessor"></span><span class="preprocessor">#define FXRANGE_H</span>
00026 <span class="preprocessor"></span>
00027 <span class="keyword">namespace </span>FX {
00028
00029 <span class="comment"></span>
00030 <span class="comment">/// Range</span>
<a name="l00031"></a><a class="code" href="classFX_1_1FXRange.html">00031</a> <span class="comment"></span><span class="keyword">class </span>FXAPI FXRange {
00032 <span class="keyword">protected</span>:
00033 FXfloat d[3][2];
00034 <span class="keyword">public</span>:
<a name="l00035"></a><a class="code" href="classFX_1_1FXRange.html#a0">00035</a> <span class="comment"></span>
00036 <span class="comment"> /// Default constructor</span>
00037 <span class="comment"></span> FXRange(){}
<a name="l00038"></a><a class="code" href="classFX_1_1FXRange.html#a1">00038</a> <span class="comment"></span>
00039 <span class="comment"> /// Initialize</span>
00040 <span class="comment"></span> 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 }
<a name="l00045"></a><a class="code" href="classFX_1_1FXRange.html#a2">00045</a> <span class="comment"></span>
00046 <span class="comment"> /// Length of side i</span>
00047 <span class="comment"></span> FXfloat side(FXint i)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d[i][1]-d[i][0]; }
<a name="l00048"></a><a class="code" href="classFX_1_1FXRange.html#a3">00048</a> <span class="comment"></span>
00049 <span class="comment"> /// Width of box</span>
00050 <span class="comment"></span> FXfloat width()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d[0][1]-d[0][0]; }
<a name="l00051"></a><a class="code" href="classFX_1_1FXRange.html#a4">00051</a> <span class="comment"></span>
00052 <span class="comment"> /// Height of box</span>
00053 <span class="comment"></span> FXfloat height()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d[1][1]-d[1][0]; }
<a name="l00054"></a><a class="code" href="classFX_1_1FXRange.html#a5">00054</a> <span class="comment"></span>
00055 <span class="comment"> /// Depth of box</span>
00056 <span class="comment"></span> FXfloat depth()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d[2][1]-d[2][0]; }
00057 <span class="comment"></span>
00058 <span class="comment"> /// Longest side</span>
00059 <span class="comment"></span> FXfloat longest() <span class="keyword">const</span>;
00060 <span class="comment"></span>
00061 <span class="comment"> /// shortest side</span>
00062 <span class="comment"></span> FXfloat shortest() <span class="keyword">const</span>;
00063 <span class="comment"></span>
00064 <span class="comment"> /// Test if empty</span>
00065 <span class="comment"></span> FXbool empty() <span class="keyword">const</span>;
00066 <span class="comment"></span>
00067 <span class="comment"> /// Test if overlap</span>
00068 <span class="comment"></span> FXbool overlap(<span class="keyword">const</span> FXRange& box) <span class="keyword">const</span>;
00069 <span class="comment"></span>
00070 <span class="comment"> /// Test if box contains point x,y,z</span>
00071 <span class="comment"></span> FXbool contains(FXfloat x,FXfloat y,FXfloat z) <span class="keyword">const</span>;
<a name="l00072"></a><a class="code" href="classFX_1_1FXRange.html#a11">00072</a> <span class="comment"></span>
00073 <span class="comment"> /// Indexing</span>
00074 <span class="comment"></span> FXfloat* operator[](FXint i){ <span class="keywordflow">return</span> d[i]; }
<a name="l00075"></a><a class="code" href="classFX_1_1FXRange.html#a12">00075</a> <span class="comment"></span>
00076 <span class="comment"> /// Indexing</span>
00077 <span class="comment"></span> <span class="keyword">const</span> FXfloat* operator[](FXint i)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d[i]; }
00078 <span class="comment"></span>
00079 <span class="comment"> /// Include given range into box</span>
00080 <span class="comment"></span> FXRange& include(<span class="keyword">const</span> FXRange& box);
00081 <span class="comment"></span>
00082 <span class="comment"> /// Include point</span>
00083 <span class="comment"></span> FXRange& include(FXfloat x,FXfloat y,FXfloat z);
00084 <span class="comment"></span>
00085 <span class="comment"> /// Include point</span>
00086 <span class="comment"></span> FXRange& include(<span class="keyword">const</span> FXVec3f& v);
00087 <span class="comment"></span>
00088 <span class="comment"> /// Clip domain against another</span>
00089 <span class="comment"></span> FXRange& clipTo(<span class="keyword">const</span> FXRange& box);
00090 <span class="comment"></span>
00091 <span class="comment"> /// Get corners of box</span>
00092 <span class="comment"></span> <span class="keyword">friend</span> FXAPI <span class="keywordtype">void</span> boxCorners(FXVec3f* points,<span class="keyword">const</span> FXRange& box);
00093 <span class="comment"></span>
00094 <span class="comment"> /// Ray intersection test</span>
00095 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXbool boxIntersect(<span class="keyword">const</span> FXRange& box,<span class="keyword">const</span> FXVec3f& u,<span class="keyword">const</span> FXVec3f& v);
00096 <span class="comment"></span>
00097 <span class="comment"> /// Get center of box</span>
00098 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXVec3f boxCenter(<span class="keyword">const</span> FXRange& box);
00099 <span class="comment"></span>
00100 <span class="comment"> /// Compute diagonal</span>
00101 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXfloat boxDiagonal(<span class="keyword">const</span> FXRange& box);
00102 <span class="comment"></span>
00103 <span class="comment"> /// Save object to a stream</span>
00104 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXStream& operator<<(FXStream& store,<span class="keyword">const</span> FXRange& box);
00105 <span class="comment"></span>
00106 <span class="comment"> /// Load object from a stream</span>
00107 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXStream& operator>>(FXStream& store,FXRange& box);
00108 };
00109
00110 }
00111
00112 <span class="preprocessor">#endif</span>
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