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<hr><h1>aabbox.h</h1><a href="aabbox_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#ifndef NL_AABBOX_H</font>
00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_AABBOX_H</font>
00028 <font class="preprocessor"></font>
00029 <font class="preprocessor">#include "<a class="code" href="types__nl_8h.html">nel/misc/types_nl.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="vector_8h.html">nel/misc/vector.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="plane_8h.html">nel/misc/plane.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="common_8h.html">nel/misc/common.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="stream_8h.html">nel/misc/stream.h</a>"</font>
00034
00035
00036 <font class="keyword">namespace </font>NLMISC
00037 {
00038
00039 <font class="keyword">class </font>CMatrix;
00040 <font class="keyword">class </font>CBSphere;
00041
00042 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>;
00043 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CPlane.html">NLMISC::CPlane</a>;
00044
00045
00046 <font class="comment">// ***************************************************************************</font>
<a name="l00054"></a><a class="code" href="classNLMISC_1_1CAABBox.html">00054</a> <font class="comment"></font><font class="keyword">class </font>CAABBox
00055 {
00056 <font class="keyword">protected</font>:
<a name="l00058"></a><a class="code" href="classNLMISC_1_1CAABBox.html#n0">00058</a> CVector <a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>;
<a name="l00060"></a><a class="code" href="classNLMISC_1_1CAABBox.html#n1">00060</a> CVector <a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>;
00061
00062 <font class="keyword">public</font>:
00063
<a name="l00065"></a><a class="code" href="classNLMISC_1_1CAABBox.html#a0">00065</a> <a class="code" href="classNLMISC_1_1CAABBox.html#a0">CAABBox</a>() : <a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>(0,0,0), <a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>(0,0,0) {}
00066
00067
00069 <font class="comment">// @{</font>
<a name="l00070"></a><a class="code" href="classNLMISC_1_1CAABBox.html#z263_0">00070</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBox.html#z263_0">setCenter</a>(<font class="keyword">const</font> CVector &center) {<a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>= center;}
<a name="l00071"></a><a class="code" href="classNLMISC_1_1CAABBox.html#z263_1">00071</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBox.html#z263_1">setHalfSize</a>(<font class="keyword">const</font> CVector &hs) {<a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>= hs;}
<a name="l00073"></a><a class="code" href="classNLMISC_1_1CAABBox.html#z263_2">00073</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBox.html#z263_2">setSize</a>(<font class="keyword">const</font> CVector &<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>) {<a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>= <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>/2;}
<a name="l00075"></a><a class="code" href="classNLMISC_1_1CAABBox.html#z263_3">00075</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBox.html#z263_3">setMinMax</a>(<font class="keyword">const</font> CVector &bmin, <font class="keyword">const</font> CVector &bmax)
00076 {
00077 <a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>= (bmin+bmax)/2;
00078 <a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>= bmax-<a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>;
00079 }
00084 <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBox.html#z263_4">extend</a>(<font class="keyword">const</font> CVector &<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>);
00086
00087
00089 <font class="comment">// @{</font>
<a name="l00090"></a><a class="code" href="classNLMISC_1_1CAABBox.html#z264_0">00090</a> CVector <a class="code" href="classNLMISC_1_1CAABBox.html#z264_0">getMin</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>-<a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>;}
<a name="l00091"></a><a class="code" href="classNLMISC_1_1CAABBox.html#z264_1">00091</a> CVector <a class="code" href="classNLMISC_1_1CAABBox.html#z264_1">getMax</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>+<a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>;}
<a name="l00092"></a><a class="code" href="classNLMISC_1_1CAABBox.html#z264_2">00092</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBox.html#z264_0">getMin</a>(CVector &ret)<font class="keyword"> const </font>{ret= <a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>-<a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>;}
<a name="l00093"></a><a class="code" href="classNLMISC_1_1CAABBox.html#z264_3">00093</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBox.html#z264_1">getMax</a>(CVector &ret)<font class="keyword"> const </font>{ret= <a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>+<a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>;}
<a name="l00094"></a><a class="code" href="classNLMISC_1_1CAABBox.html#z264_4">00094</a> <font class="keyword">const</font> CVector &<a class="code" href="classNLMISC_1_1CAABBox.html#z264_4">getCenter</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>;}
<a name="l00095"></a><a class="code" href="classNLMISC_1_1CAABBox.html#z264_5">00095</a> <font class="keyword">const</font> CVector &<a class="code" href="classNLMISC_1_1CAABBox.html#z264_5">getHalfSize</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>;}
<a name="l00097"></a><a class="code" href="classNLMISC_1_1CAABBox.html#z264_6">00097</a> CVector <a class="code" href="classNLMISC_1_1CAABBox.html#z264_6">getSize</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>*2;}
<a name="l00098"></a><a class="code" href="classNLMISC_1_1CAABBox.html#z264_7">00098</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBox.html#z264_6">getSize</a>(CVector &ret)<font class="keyword"> const </font>{ret= <a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>*2;}
<a name="l00100"></a><a class="code" href="classNLMISC_1_1CAABBox.html#z264_8">00100</a> <font class="keywordtype">float</font> <a class="code" href="classNLMISC_1_1CAABBox.html#z264_8">getRadius</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>.norm();}
00101 <font class="comment">// @}</font>
00102
00104 <font class="comment">// @{</font>
00106 <font class="comment"> bool clipFront(const CPlane &p) const;</font>
00108 <font class="comment"> bool clipBack(const CPlane &p) const;</font>
00110 <font class="comment"> bool include(const CVector &a) const;</font>
00112 <font class="comment"> bool include(const CAABBox &box) const;</font>
00114 <font class="comment"> bool intersect(const CAABBox &box) const;</font>
00116 <font class="comment"> bool intersect(const CVector &a, const CVector &b, const CVector &c) const;</font>
00118 <font class="comment"> bool intersect(const CBSphere &s) const;</font>
00119 <font class="comment">// @}</font>
00120
00122 <font class="comment">// @{</font>
00124 <font class="comment"> void makePyramid(CPlane planes[6]) const;</font>
00125
00131 <font class="keyword">static</font> <a class="code" href="classNLMISC_1_1CAABBox.html#a0">CAABBox</a> <a class="code" href="classNLMISC_1_1CAABBox.html#z266_2">computeAABBoxUnion</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CAABBox.html#a0">CAABBox</a> &b1, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CAABBox.html#a0">CAABBox</a> &b2);
00132
00138 <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBox.html#z266_1">computeIntersection</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CAABBox.html#a0">CAABBox</a> &b1, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CAABBox.html#a0">CAABBox</a> &b2);
00139
00140
00144 <font class="keyword">static</font> <a class="code" href="classNLMISC_1_1CAABBox.html#a0">CAABBox</a> <a class="code" href="classNLMISC_1_1CAABBox.html#z266_3">transformAABBox</a>(<font class="keyword">const</font> CMatrix &mat, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CAABBox.html#a0">CAABBox</a> &box);
00145
00146 <font class="comment">// @}</font>
00147
00148 <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBox.html#a1">serial</a>(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f);
00149 };
00150
00151
00152 <font class="comment">// ***************************************************************************</font>
<a name="l00159"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html">00159</a> <font class="comment"></font><font class="keyword">class </font>CAABBoxExt : <font class="keyword">private</font> CAABBox
00160 {
00161 <font class="keyword">protected</font>:
<a name="l00162"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#n0">00162</a> <font class="keywordtype">float</font> <a class="code" href="classNLMISC_1_1CAABBoxExt.html#n0">RadiusMin</a>, <a class="code" href="classNLMISC_1_1CAABBoxExt.html#n1">RadiusMax</a>;
00163
<a name="l00164"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#b0">00164</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBoxExt.html#b0">updateRadius</a>()
00165 {
00166 <font class="comment">// The bounding sphere.</font>
00167 <a class="code" href="classNLMISC_1_1CAABBoxExt.html#n1">RadiusMax</a>= CAABBox::getRadius();
00168 <font class="comment">// The including sphere.</font>
00169 <a class="code" href="classNLMISC_1_1CAABBoxExt.html#n0">RadiusMin</a>= <a class="code" href="namespaceNLMISC.html#a216">NLMISC::minof</a>((<font class="keywordtype">float</font>)fabs(<a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>.x), (<font class="keywordtype">float</font>)fabs(<a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>.y), (<font class="keywordtype">float</font>)fabs(<a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>.z));
00170 }
00171
00172 <font class="keyword">public</font>:
<a name="l00174"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#a0">00174</a> <a class="code" href="classNLMISC_1_1CAABBoxExt.html#a0">CAABBoxExt</a>() {<a class="code" href="classNLMISC_1_1CAABBoxExt.html#n0">RadiusMin</a>= <a class="code" href="classNLMISC_1_1CAABBoxExt.html#n1">RadiusMax</a>=0;}
<a name="l00176"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#a1">00176</a> <a class="code" href="classNLMISC_1_1CAABBoxExt.html#a0">CAABBoxExt</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CAABBox.html#a0">CAABBox</a> &o) {<a class="code" href="classNLMISC_1_1CAABBoxExt.html#n0">RadiusMin</a>= <a class="code" href="classNLMISC_1_1CAABBoxExt.html#n1">RadiusMax</a>=0; *<font class="keyword">this</font>=o;}
00177
00178
00180 <font class="comment">// @{</font>
<a name="l00181"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#z267_0">00181</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBoxExt.html#z267_0">setCenter</a>(<font class="keyword">const</font> CVector &center) {<a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>= center;}
<a name="l00182"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#z267_1">00182</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBoxExt.html#z267_1">setHalfSize</a>(<font class="keyword">const</font> CVector &hs) {<a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>= hs; <a class="code" href="classNLMISC_1_1CAABBoxExt.html#b0">updateRadius</a>();}
<a name="l00183"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#z267_2">00183</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBoxExt.html#z267_2">setSize</a>(<font class="keyword">const</font> CVector &<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>) {<a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>= <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>/2; <a class="code" href="classNLMISC_1_1CAABBoxExt.html#b0">updateRadius</a>();}
<a name="l00185"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#z267_3">00185</a> <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBoxExt.html#z267_3">setMinMax</a>(<font class="keyword">const</font> CVector &bmin, <font class="keyword">const</font> CVector &bmax)
00186 {
00187 <a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>= (bmin+bmax)/2;
00188 <a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>= bmax-<a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>;
00189 <a class="code" href="classNLMISC_1_1CAABBoxExt.html#b0">updateRadius</a>();
00190 }
<a name="l00191"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#z267_4">00191</a> <a class="code" href="classNLMISC_1_1CAABBoxExt.html#a0">CAABBoxExt</a> &<a class="code" href="classNLMISC_1_1CAABBoxExt.html#z267_4">operator=</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CAABBox.html#a0">CAABBox</a> &o) {<a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>= o.getCenter(); <a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>= o.getHalfSize(); <a class="code" href="classNLMISC_1_1CAABBoxExt.html#b0">updateRadius</a>(); <font class="keywordflow">return</font> (*this);}
00193
00194
00196 <font class="comment">// @{</font>
<a name="l00197"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_0">00197</a> CVector <a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_0">getMin</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> CAABBox::getMin();}
<a name="l00198"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_1">00198</a> CVector <a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_1">getMax</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> CAABBox::getMax();}
<a name="l00199"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_2">00199</a> <font class="keyword">const</font> CVector &<a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_2">getCenter</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CAABBox.html#n0">Center</a>;}
<a name="l00200"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_3">00200</a> <font class="keyword">const</font> CVector &<a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_3">getHalfSize</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>;}
<a name="l00202"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_4">00202</a> CVector <a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_4">getSize</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CAABBox.html#n1">HalfSize</a>*2;}
<a name="l00204"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_5">00204</a> <font class="keywordtype">float</font> <a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_5">getRadius</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CAABBoxExt.html#n1">RadiusMax</a>;}
<a name="l00206"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_6">00206</a> <a class="code" href="classNLMISC_1_1CAABBox.html#a0">CAABBox</a> <a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_6">getAABBox</a>()<font class="keyword"> const </font>{ <a class="code" href="classNLMISC_1_1CAABBox.html#a0">CAABBox</a> box; box.setCenter(<a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_2">getCenter</a>()); box.setHalfSize(<a class="code" href="classNLMISC_1_1CAABBoxExt.html#z268_3">getHalfSize</a>()); <font class="keywordflow">return</font> box; }
00207 <font class="comment">// @}</font>
00208
00210 <font class="comment">// @{</font>
00212 <font class="comment"> bool clipFront(const CPlane &p) const;</font>
00214 <font class="comment"> bool clipBack(const CPlane &p) const;</font>
<a name="l00216"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#z269_2">00216</a> <font class="comment"> bool intersect(const CAABBoxExt &box) const</font>
00217 {<font class="keywordflow">return</font> CAABBox::intersect(box);}
<a name="l00219"></a><a class="code" href="classNLMISC_1_1CAABBoxExt.html#z269_3">00219</a> <font class="keywordtype">bool</font> <a class="code" href="classNLMISC_1_1CAABBoxExt.html#z269_2">intersect</a>(<font class="keyword">const</font> CVector &a, <font class="keyword">const</font> CVector &b, <font class="keyword">const</font> CVector &c)<font class="keyword"> const</font>
00220 <font class="keyword"> </font>{<font class="keywordflow">return</font> CAABBox::intersect(a,b,c);}
00221 <font class="comment">// @}</font>
00222
00223 <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CAABBoxExt.html#a2">serial</a>(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &f);
00224 };
00225
00226
00227 } <font class="comment">// NLMISC</font>
00228
00229
00230 <font class="preprocessor">#endif // NL_AABBOX_H</font>
00231 <font class="preprocessor"></font>
00232 <font class="comment">/* End of aabbox.h */</font>
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