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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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