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CELLPADDING=0 BORDER=0 width=100%><tr><td width=1% valign=middle><img width=6 height=14 hspace=2 vspace=2 src="/inc/img/reddots.gif"></TD> <TD><B>Documentation</B></TD> <TD ALIGN=RIGHT> </td> </tr></table> <!-- Generated by Doxygen 1.2.14 --> <center> <a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" doxygen="_cgi:/cgi-bin/nel-search.cgi" href="/cgi-bin/nel-search.cgi">Search</a> </center> <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> <!-- footer --> <BR><FONT Size=+5> </FONT> </TD> <TD WIDTH=15><IMG SRC=/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> </TR> </TABLE> </BODY> </HTML>