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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<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> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |