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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 <vector></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<CVector> <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 &a, <font class="keyword">const</font> CVector &b, <font class="keyword">const</font> CVector &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<CPlane> &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> &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<CPolygon></a>& outputPolygons, <font class="keyword">const</font> CMatrix& 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<CPolygon> &other, <font class="keyword">const</font> CMatrix& basis);
00104
00106 <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CPolygon.html#a8">getBestTriplet</a>(uint &index0, uint &index1, uint &index2);
00107
00112 <font class="keywordtype">void</font> <a class="code" href="classNLMISC_1_1CPolygon.html#a9">buildBasis</a>(CMatrix &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<CVector> &localVertices, CBSPNode2v &root, <font class="keyword">const</font> CMatrix &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& a0, <font class="keyword">const</font> CVector2f& a1, <font class="keyword">const</font> CVector2f& b0, <font class="keyword">const</font> CVector2f& 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<CVector> &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<CVector> &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<CVector> &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<CVector> &vertex, <font class="keyword">const</font> CBSPNode2v &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<CVector2f> <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 &<a class="code" href="driver__opengl__extension__def_8h.html#a409">src</a>, <font class="keyword">const</font> CMatrix &projMat = CMatrix::Identity);
00139
00143 <a class="code" href="classNLMISC_1_1CPolygon2D.html#a0">CPolygon2D</a>(<font class="keyword">const</font> CTriangle &tri, <font class="keyword">const</font> CMatrix &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> &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 &index0, uint &index1, uint &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> &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<sint, sint> <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<TRaster> <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> &borders, sint &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> &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 &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 &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> &a, <font class="keywordtype">float</font> &b, <font class="keywordtype">float</font> &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 &<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> < <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 &<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> < <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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