diff options
| author | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
|---|---|---|
| committer | neodarz <neodarz@neodarz.net> | 2018-08-11 20:21:34 +0200 |
| commit | 0ea5fc66924303d1bf73ba283a383e2aadee02f2 (patch) | |
| tree | 2568e71a7ccc44ec23b8bb3f0ff97fb6bf2ed709 /docs/doxygen/nel/plane_8cpp-source.html | |
| download | nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.tar.xz nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.zip | |
Initial commit
Diffstat (limited to 'docs/doxygen/nel/plane_8cpp-source.html')
| -rw-r--r-- | docs/doxygen/nel/plane_8cpp-source.html | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/docs/doxygen/nel/plane_8cpp-source.html b/docs/doxygen/nel/plane_8cpp-source.html new file mode 100644 index 00000000..501a40d1 --- /dev/null +++ b/docs/doxygen/nel/plane_8cpp-source.html @@ -0,0 +1,241 @@ +<!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> +<HTML> +<HEAD> + <TITLE>nevrax.org : docs</TITLE> + <LINK REL=stylesheet TYPE="text/css" HREF="http://www.nevrax.org/inc/css/nevrax.css"> + <link href="doxygen.css" rel="stylesheet" type="text/css"> +</HEAD> +<BODY MARGINHEIGHT="0" MARGINWIDTH="0"> + +<!-- uplinks --> +<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0> + <TR> + <TD WIDTH=16><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD> + <TD WIDTH=140 BGCOLOR=#dddddd><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="140" HEIGHT="16" BORDER=0 ALT=""></TD> + <TD WIDTH=16><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD> + <TD><IMG width=6 height=14 SRC="http://www.nevrax.org/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF=http://www.nevrax.org><b>Home</B></FONT></A> </TD> + <TD><IMG width=6 height=14 SRC="http://www.nevrax.org/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF=http://www.nevrax.com><b>nevrax.com</B></FONT></A> </TD> + </TR> +</TABLE> + +<!-- banner Nevrax --> +<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0 WIDTH=100%> + <TR><TD BGCOLOR="#000000" BACKGROUND="http://www.nevrax.org/inc/img/black_banner.jpg"><A HREF="http://www.nevrax.org"><IMG SRC="http://www.nevrax.org/inc/img/nevrax.gif" WIDTH="170" HEIGHT="45" BORDER=0 ALT="Nevrax" ></A></TD></TR> +</TABLE> + +<!-- main table --> +<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0 height=100%> + <TR> + <TD WIDTH=16><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="10" BORDER=0 ALT=""></TD> + <TD WIDTH=140 BGCOLOR=#dddddd VALIGN=TOP ALIGN=middle><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT=""> + + <!------ Begin Box ------> + <TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 BGCOLOR=black><TR><TD><TABLE border=0 cellspacing=2 cellpadding=0 width=120><tr><TD ALIGN=middle bgcolor=black> + <FONT COLOR=white FACE="sans-serif"><B>Nevrax.org</B></FONT></TD></TR><tr><td colspan=2 bgcolor=#FFFFFF> + <TABLE cellspacing=0 cellpadding=1 border=0> + <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/news/" TITLE="Rubrique news"><img width=13 height=15 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-news.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/news/" TITLE="News">News</a></td></tr> + <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/mail/" TITLE="Rubrique mail"><img width=15 height=11 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-mail.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/mail/" TITLE="Mailing list archive">Mailing-list</a></td></tr> + <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/docs/" TITLE="Rubrique docs"><img width=14 height=16 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-docs.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/docs/" TITLE="Documentation">Documentation</a></td></tr> + <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/cvs/" TITLE="Rubrique cvs"><img width=13 height=17 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-cvs.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/cvs/" TITLE="CVS Web">CVS</a></td></tr> + <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/bugs/" TITLE="Rubrique bugs"><img width=20 height=16 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-bugs.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/bugs/" TITLE="Bugtracking">Bugs</a></td></tr> + <tr><td ALIGN=middle><a class='linkbox' href="http://www.nevrax.org/GPL.php3" TITLE="Rubrique license"><img width=18 height=12 hspace=5 border=0 src=http://www.nevrax.org/inc/img/picto-gpl.gif ALT=#></A></td><td><a class='linkbox' href="http://www.nevrax.org/GPL.php3" TITLE="License">License</a></td></tr> + </TABLE> + </TD></TR></TABLE></TD></TR></TABLE> + <!------ End Box ------> + + </TD> + <TD WIDTH=15><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD> + <TD ALIGN=left valign=top><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT=""> + +<!-- title --> +<TABLE background="http://www.nevrax.org/inc/img/redline.gif" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td> +<A HREF="http://www.nevrax.org/docs/"><img src="http://www.nevrax.org/inc/img/t_docs.gif" ALT="Docs" HEIGHT=20 BORDER=0></A> +</td><td><IMG SRC="http://www.nevrax.org/inc/img/pixel.gif" WIDTH="1" HEIGHT="1" BORDER=0 ALT=""> +</td></tr></table> + + +<!-- block --> +<TABLE bgcolor="#dddddd" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td width=1% valign=middle><img width=6 height=14 hspace=2 vspace=2 src="http://www.nevrax.org/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:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>plane.cpp</h1><a href="plane_8cpp.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">#include "<a class="code" href="stdmisc_8h.html">stdmisc.h</a>"</font> +00027 +00028 <font class="preprocessor">#include "<a class="code" href="plane_8h.html">nel/misc/plane.h</a>"</font> +00029 +00030 +00031 <font class="keyword">namespace </font>NLMISC +00032 { +00033 +00034 +00035 <font class="comment">//============================================================</font> +<a name="l00036"></a><a class="code" href="classNLMISC_1_1CPlane.html#z305_0">00036</a> <font class="keywordtype">void</font> CPlane::make(<font class="keyword">const</font> CVector &normal, <font class="keyword">const</font> CVector &p) +00037 { +00038 CVector <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>= normal.normed(); +00039 <a class="code" href="classNLMISC_1_1CPlane.html#m0">a</a>= <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.x; +00040 <a class="code" href="classNLMISC_1_1CPlane.html#m1">b</a>= <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.y; +00041 <a class="code" href="classNLMISC_1_1CPlane.html#m2">c</a>= <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>.z; +00042 <a class="code" href="classNLMISC_1_1CPlane.html#m3">d</a>=-(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>*p); <font class="comment">// d=- (ax+by+cz).</font> +00043 } +<a name="l00044"></a><a class="code" href="classNLMISC_1_1CPlane.html#z305_1">00044</a> <font class="keywordtype">void</font> CPlane::make(<font class="keyword">const</font> CVector &p0, <font class="keyword">const</font> CVector &p1, <font class="keyword">const</font> CVector &p2) +00045 { +00046 CVector <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>; +00047 +00048 <a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>=(p1-p0)^(p2-p1); +00049 <a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a368">v</a>,p1); +00050 } +00051 +00052 +00053 <font class="comment">//============================================================</font> +<a name="l00054"></a><a class="code" href="classNLMISC_1_1CPlane.html#z306_4">00054</a> <font class="keywordtype">bool</font> CPlane::clipSegmentBack(CVector &p0, CVector &p1)<font class="keyword"> const</font> +00055 <font class="keyword"></font>{ +00056 <font class="keywordtype">float</font> d0,d1,decal; +00057 CVector proj; +00058 +00059 d0= (*this)*p0; +00060 d1= (*this)*p1; +00061 <font class="keywordflow">if</font>(d0<0 && d1<0) +00062 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00063 <font class="keywordflow">if</font>(d0>=0 && d1>=0) +00064 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00065 <font class="comment">// Clip line.</font> +00066 decal= (0-d0) / (d1-d0); +00067 proj= p0+ (p1-p0)*decal; +00068 <font class="keywordflow">if</font>(d0>=0) +00069 p0=proj; +00070 <font class="keywordflow">else</font> +00071 p1=proj; +00072 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00073 } +<a name="l00074"></a><a class="code" href="classNLMISC_1_1CPlane.html#z306_5">00074</a> <font class="keywordtype">bool</font> CPlane::clipSegmentFront(CVector &p0, CVector &p1)<font class="keyword"> const</font> +00075 <font class="keyword"></font>{ +00076 <font class="keywordtype">float</font> d0,d1,decal; +00077 CVector proj; +00078 +00079 d0= (*this)*p0; +00080 d1= (*this)*p1; +00081 <font class="keywordflow">if</font>(d0>=0 && d1>=0) +00082 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00083 <font class="keywordflow">if</font>(d0<0 && d1<0) +00084 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00085 <font class="comment">// Clip line.</font> +00086 decal= (0-d0) / (d1-d0); +00087 proj= p0+ (p1-p0)*decal; +00088 <font class="keywordflow">if</font>(d0<0) +00089 p0=proj; +00090 <font class="keywordflow">else</font> +00091 p1=proj; +00092 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00093 } +00094 +00095 +00096 <font class="comment">//============================================================</font> +<a name="l00097"></a><a class="code" href="classNLMISC_1_1CPlane.html#z306_6">00097</a> sint CPlane::clipPolygonBack(CVector <a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[], CVector out[], sint nIn)<font class="keyword"> const</font> +00098 <font class="keyword"></font>{ +00099 sint nOut=0,<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>,p,i; +00100 <font class="keywordflow">if</font>(nIn<=2) <font class="keywordflow">return</font> 0; +00101 +00102 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>=nIn-1; +00103 +00104 <font class="keywordflow">for</font> (i=0;i<nIn;i++) +00105 { +00106 p=i; +00107 <font class="keywordflow">if</font> ( (*this)*<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[p] < 0 ) +00108 { +00109 <font class="keywordflow">if</font> ( (*this)*<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>] > 0 ) +00110 out[nOut++]= <a class="code" href="classNLMISC_1_1CPlane.html#z306_2">intersect</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>],<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[p]); +00111 out[nOut++]=<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[p]; +00112 } +00113 <font class="keywordflow">else</font> +00114 { +00115 <font class="keywordflow">if</font> ( (*this)*<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>] < 0 ) +00116 out[nOut++]= <a class="code" href="classNLMISC_1_1CPlane.html#z306_2">intersect</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>],<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[p]); +00117 } +00118 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>=p; +00119 } +00120 +00121 <font class="keywordflow">return</font> nOut; +00122 } +00123 +00124 <font class="comment">//============================================================</font> +<a name="l00125"></a><a class="code" href="classNLMISC_1_1CPlane.html#z306_7">00125</a> sint CPlane::clipPolygonFront(CVector <a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[], CVector out[], sint nIn)<font class="keyword"> const</font> +00126 <font class="keyword"></font>{ +00127 sint nOut=0,<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>,p,i; +00128 <font class="keywordflow">if</font>(nIn<=2) <font class="keywordflow">return</font> 0; +00129 +00130 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>=nIn-1; +00131 +00132 <font class="keywordflow">for</font> (i=0;i<nIn;i++) +00133 { +00134 p=i; +00135 <font class="keywordflow">if</font> ( (*this)*<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[p] > 0 ) +00136 { +00137 <font class="keywordflow">if</font> ( (*this)*<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>] < 0 ) +00138 out[nOut++]= <a class="code" href="classNLMISC_1_1CPlane.html#z306_2">intersect</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>],<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[p]); +00139 out[nOut++]=<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[p]; +00140 } +00141 <font class="keywordflow">else</font> +00142 { +00143 <font class="keywordflow">if</font> ( (*this)*<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>] > 0 ) +00144 out[nOut++]= <a class="code" href="classNLMISC_1_1CPlane.html#z306_2">intersect</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[<a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>],<a class="code" href="driver__opengl__extension__def_8h.html#a404">in</a>[p]); +00145 } +00146 <a class="code" href="driver__opengl__extension__def_8h.html#a383">s</a>=p; +00147 } +00148 +00149 <font class="keywordflow">return</font> nOut; +00150 } +00151 +00152 +00153 <font class="comment">//============================================================</font> +<a name="l00154"></a><a class="code" href="classNLMISC_1_1CPlane.html#z307_0">00154</a> CPlane CPlane::inverted()<font class="keyword"> const</font> +00155 <font class="keyword"></font>{ +00156 <font class="keywordflow">return</font> <a class="code" href="classNLMISC_1_1CPlane.html#z304_0">CPlane</a>(-<a class="code" href="classNLMISC_1_1CPlane.html#m0">a</a>, -<a class="code" href="classNLMISC_1_1CPlane.html#m1">b</a>, -<a class="code" href="classNLMISC_1_1CPlane.html#m2">c</a>, -<a class="code" href="classNLMISC_1_1CPlane.html#m3">d</a>); +00157 } +00158 +00159 <font class="comment">//============================================================</font> +<a name="l00160"></a><a class="code" href="classNLMISC_1_1CPlane.html#z307_1">00160</a> <font class="keywordtype">void</font> CPlane::invert() +00161 { +00162 <a class="code" href="classNLMISC_1_1CPlane.html#m0">a</a> = -<a class="code" href="classNLMISC_1_1CPlane.html#m0">a</a>; +00163 <a class="code" href="classNLMISC_1_1CPlane.html#m1">b</a> = -<a class="code" href="classNLMISC_1_1CPlane.html#m1">b</a>; +00164 <a class="code" href="classNLMISC_1_1CPlane.html#m2">c</a> = -<a class="code" href="classNLMISC_1_1CPlane.html#m2">c</a>; +00165 <a class="code" href="classNLMISC_1_1CPlane.html#m3">d</a> = -<a class="code" href="classNLMISC_1_1CPlane.html#m3">d</a>; +00166 } +00167 +00168 +00169 +00170 +00171 } +00172 +</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> |