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<hr><h1>polygon.h</h1><a href="polygon_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_POLYGON_H</font>
00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_POLYGON_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="matrix_8h.html">nel/misc/matrix.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="stream_8h.html">nel/misc/stream.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="vector__2f_8h.html">nel/misc/vector_2f.h</a>"</font>
00033 <font class="preprocessor">#include &lt;vector&gt;</font>
00034 
00035 
00036 <font class="keyword">namespace </font>NLMISC 
00037 {
00038 
00039 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>;
00040 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CPlane.html">NLMISC::CPlane</a>;
00041 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a>;
00042 
00043 
00044 <font class="keyword">class </font>CTriangle;
00045 
00046 <font class="comment">// Used by the method toConvexPolygons</font>
00047 <font class="keyword">class </font>CBSPNode2v;
00048 
00049 <font class="comment">// ***************************************************************************</font>
<a name="l00056"></a><a class="code" href="classNLMISC_1_1CPolygon.html">00056</a> <font class="comment"></font><font class="keyword">class </font>CPolygon
00057 {
00058 <font class="keyword">public</font>:
<a name="l00059"></a><a class="code" href="classNLMISC_1_1CPolygon.html#m0">00059</a>         std::vector&lt;CVector&gt;    <a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>;
00060 
00061 <font class="keyword">public</font>:
00062 
<a name="l00064"></a><a class="code" href="classNLMISC_1_1CPolygon.html#a0">00064</a>         <a class="code" href="classNLMISC_1_1CPolygon.html#a0">CPolygon</a>() {}
00066         <a class="code" href="classNLMISC_1_1CPolygon.html#a0">CPolygon</a>(<font class="keyword">const</font> CVector &amp;a, <font class="keyword">const</font> CVector &amp;b, <font class="keyword">const</font> CVector &amp;c);
00067 
<a name="l00068"></a><a class="code" href="classNLMISC_1_1CPolygon.html#a2">00068</a>         sint                    <a class="code" href="classNLMISC_1_1CPolygon.html#a2">getNumVertices</a>()<font class="keyword"> const </font>{<font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CPolygon.html#m0">Vertices</a>.size();}
00069 
00071         <font class="keywordtype">void</font>                    <a class="code" href="classNLMISC_1_1CPolygon.html#a3">clip</a>(<font class="keyword">const</font> CPlane *planes, uint nPlanes);
00073         <font class="keywordtype">void</font>                    <a class="code" href="classNLMISC_1_1CPolygon.html#a3">clip</a>(<font class="keyword">const</font> std::vector&lt;CPlane&gt; &amp;planes);
00074 
00076         <font class="keywordtype">void</font>                    <a class="code" href="classNLMISC_1_1CPolygon.html#a5">serial</a>(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f) <font class="keywordflow">throw</font>(NLMISC::EStream);
00077 
00091         <font class="keywordtype">bool</font>                    <a class="code" href="classNLMISC_1_1CPolygon.html#a6">toConvexPolygons</a> (<a class="code" href="classstd_1_1list.html">std::list&lt;CPolygon&gt;</a>&amp; outputPolygons, <font class="keyword">const</font> CMatrix&amp; basis) <font class="keyword">const</font>;
00092 
00103         <font class="keywordtype">bool</font>                    <a class="code" href="classNLMISC_1_1CPolygon.html#a7">chain</a> (<font class="keyword">const</font> std::vector&lt;CPolygon&gt; &amp;other, <font class="keyword">const</font> CMatrix&amp; basis);
00104 
00106         <font class="keywordtype">void</font>            <a class="code" href="classNLMISC_1_1CPolygon.html#a8">getBestTriplet</a>(uint &amp;index0, uint &amp;index1, uint &amp;index2);       
00107 
00112         <font class="keywordtype">void</font>            <a class="code" href="classNLMISC_1_1CPolygon.html#a9">buildBasis</a>(CMatrix &amp;dest);
00113 
00114         <font class="comment">// Used by the method toConvexPolygons and chain</font>
00115         <font class="keywordtype">void</font>                    <a class="code" href="classNLMISC_1_1CPolygon.html#a10">toConvexPolygonsLocalAndBSP</a> (std::vector&lt;CVector&gt; &amp;localVertices, CBSPNode2v &amp;root, <font class="keyword">const</font> CMatrix &amp;basis) <font class="keyword">const</font>;
00116         <font class="keyword">static</font> <font class="keywordtype">bool</font>             <a class="code" href="classNLMISC_1_1CPolygon.html#d0">toConvexPolygonsEdgeIntersect</a> (<font class="keyword">const</font> CVector2f&amp; a0, <font class="keyword">const</font> CVector2f&amp; a1, <font class="keyword">const</font> CVector2f&amp; b0, <font class="keyword">const</font> CVector2f&amp; b1);
00117         <font class="keyword">static</font> <font class="keywordtype">bool</font>             <a class="code" href="classNLMISC_1_1CPolygon.html#d1">toConvexPolygonsLeft</a> (<font class="keyword">const</font> std::vector&lt;CVector&gt; &amp;vertex, uint a, uint b, uint c);
00118         <font class="keyword">static</font> <font class="keywordtype">bool</font>             <a class="code" href="classNLMISC_1_1CPolygon.html#d2">toConvexPolygonsLeftOn</a> (<font class="keyword">const</font> std::vector&lt;CVector&gt; &amp;vertex, uint a, uint b, uint c);
00119         <font class="keyword">static</font> <font class="keywordtype">bool</font>             <a class="code" href="classNLMISC_1_1CPolygon.html#d3">toConvexPolygonsInCone</a> (<font class="keyword">const</font> std::vector&lt;CVector&gt; &amp;vertex, uint a, uint b);
00120         <font class="keyword">static</font> <font class="keywordtype">bool</font>             <a class="code" href="classNLMISC_1_1CPolygon.html#d4">toConvexPolygonsDiagonal</a> (<font class="keyword">const</font> std::vector&lt;CVector&gt; &amp;vertex, <font class="keyword">const</font> CBSPNode2v &amp;bsp, uint a, uint b);
00121 };
00122 
<a name="l00126"></a><a class="code" href="classNLMISC_1_1CPolygon2D.html">00126</a> <font class="keyword">class </font>CPolygon2D
00127 {
00128 <font class="keyword">public</font>:
<a name="l00129"></a><a class="code" href="classNLMISC_1_1CPolygon2D.html#s0">00129</a>         <font class="keyword">typedef</font> std::vector&lt;CVector2f&gt; <a class="code" href="classNLMISC_1_1CPolygon2D.html#s0">TVec2fVect</a>;
<a name="l00130"></a><a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">00130</a>         <a class="code" href="classNLMISC_1_1CPolygon2D.html#s0">TVec2fVect</a> <a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">Vertices</a>;
00131 <font class="keyword">public</font>:
<a name="l00133"></a><a class="code" href="classNLMISC_1_1CPolygon2D.html#a0">00133</a>         <a class="code" href="classNLMISC_1_1CPolygon2D.html#a0">CPolygon2D</a>() {}
00134         
00138         <a class="code" href="classNLMISC_1_1CPolygon2D.html#a0">CPolygon2D</a>(<font class="keyword">const</font> CPolygon &amp;<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, <font class="keyword">const</font> CMatrix &amp;projMat = CMatrix::Identity);
00139 
00143         <a class="code" href="classNLMISC_1_1CPolygon2D.html#a0">CPolygon2D</a>(<font class="keyword">const</font> CTriangle &amp;tri, <font class="keyword">const</font> CMatrix &amp;projMat = CMatrix::Identity);   
00144 
00146         <font class="keywordtype">bool</font>            <a class="code" href="classNLMISC_1_1CPolygon2D.html#a3">isConvex</a>();
00147 
00152         <font class="keywordtype">void</font>            <a class="code" href="classNLMISC_1_1CPolygon2D.html#a4">buildConvexHull</a>(<a class="code" href="classNLMISC_1_1CPolygon2D.html#a0">CPolygon2D</a> &amp;dest) <font class="keyword">const</font>;
00153 
00155         <font class="keywordtype">void</font>            <a class="code" href="classNLMISC_1_1CPolygon2D.html#a5">getBestTriplet</a>(uint &amp;index0, uint &amp;index1, uint &amp;index2);       
00156         
00158         <font class="keywordtype">void</font>            <a class="code" href="classNLMISC_1_1CPolygon2D.html#a6">serial</a>(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f) <font class="keywordflow">throw</font>(NLMISC::EStream);
00159 
<a name="l00160"></a><a class="code" href="classNLMISC_1_1CPolygon2D.html#s1">00160</a>         <font class="keyword">typedef</font> std::pair&lt;sint, sint&gt; <a class="code" href="classNLMISC_1_1CPolygon2D.html#s1">TRaster</a>;
<a name="l00161"></a><a class="code" href="classNLMISC_1_1CPolygon2D.html#s2">00161</a>         <font class="keyword">typedef</font> std::vector&lt;TRaster&gt;  <a class="code" href="classNLMISC_1_1CPolygon2D.html#s2">TRasterVect</a>;
00162 
00169         <font class="keywordtype">void</font>            <a class="code" href="classNLMISC_1_1CPolygon2D.html#a7">computeBorders</a>(<a class="code" href="classNLMISC_1_1CPolygon2D.html#s2">TRasterVect</a> &amp;borders, sint &amp;minimumY);
00170 
00172         <font class="keywordtype">bool</font>        <a class="code" href="classNLMISC_1_1CPolygon2D.html#a8">intersect</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CPolygon2D.html#a0">CPolygon2D</a> &amp;other) <font class="keyword">const</font>;
00173 
00175         <font class="keywordtype">bool</font>            <a class="code" href="classNLMISC_1_1CPolygon2D.html#a9">contains</a>(<font class="keyword">const</font> CVector2f &amp;p) <font class="keyword">const</font>;
00176 
00180         <font class="keywordtype">bool</font>  <a class="code" href="classNLMISC_1_1CPolygon2D.html#a10">getNonNullSeg</a>(uint &amp;seg) <font class="keyword">const</font>;
00181 
00183         <font class="keywordtype">void</font>  <a class="code" href="classNLMISC_1_1CPolygon2D.html#a11">getLineEquation</a>(uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>, <font class="keywordtype">float</font> &amp;a, <font class="keywordtype">float</font> &amp;b, <font class="keywordtype">float</font> &amp;c) <font class="keyword">const</font>;
00184 
00185 <font class="keyword">private</font>:
00187         <font class="keywordtype">float</font> <a class="code" href="classNLMISC_1_1CPolygon2D.html#c0">sumDPAgainstLine</a>(<font class="keywordtype">float</font> a, <font class="keywordtype">float</font> b, <font class="keywordtype">float</font> c) <font class="keyword">const</font>;
00188 
<a name="l00190"></a><a class="code" href="classNLMISC_1_1CPolygon2D.html#c1">00190</a>         <font class="keyword">const</font> CVector2f &amp;<a class="code" href="classNLMISC_1_1CPolygon2D.html#c1">getSegRef0</a>(uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>)<font class="keyword"> const </font>
00191 <font class="keyword">        </font>{ 
00192                 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> &lt; <a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">Vertices</a>.size()); <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">Vertices</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>]; 
00193         }
<a name="l00194"></a><a class="code" href="classNLMISC_1_1CPolygon2D.html#c2">00194</a>         <font class="keyword">const</font> CVector2f &amp;<a class="code" href="classNLMISC_1_1CPolygon2D.html#c2">getSegRef1</a>(uint <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a>)<font class="keyword"> const </font>
00195 <font class="keyword">        </font>{ 
00196                 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> &lt; <a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">Vertices</a>.size());              
00197                 <font class="keywordflow">return</font> <a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> == <a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">Vertices</a>.size() - 1 ?
00198                            <a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">Vertices</a>[0]                 :
00199                        <a class="code" href="classNLMISC_1_1CPolygon2D.html#m0">Vertices</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a358">index</a> + 1];
00200         }
00201 
00202 
00203         
00204 };
00205 
00206 
00207 } <font class="comment">// NLMISC</font>
00208 
00209 
00210 <font class="preprocessor">#endif // NL_POLYGON_H</font>
00211 <font class="preprocessor"></font>
00212 <font class="comment">/* End of polygon.h */</font>
</pre></div>

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