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/light_8cpp-source.html | |
| download | nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.tar.xz nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.zip | |
Initial commit
Diffstat (limited to '')
| -rw-r--r-- | docs/doxygen/nel/light_8cpp-source.html | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/docs/doxygen/nel/light_8cpp-source.html b/docs/doxygen/nel/light_8cpp-source.html new file mode 100644 index 00000000..879a96eb --- /dev/null +++ b/docs/doxygen/nel/light_8cpp-source.html @@ -0,0 +1,238 @@ +<!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>light.cpp</h1><a href="light_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 +00007 <font class="comment">/* Copyright, 2001 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="std3d_8h.html">std3d.h</a>"</font> +00027 +00028 <font class="preprocessor">#include "<a class="code" href="light_8h.html">3d/light.h</a>"</font> +00029 +00030 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC; +00031 +00032 <font class="keyword">namespace </font>NL3D +00033 { +00034 +00035 <font class="comment">// ***************************************************************************</font> +00036 +<a name="l00037"></a><a class="code" href="classNL3D_1_1CLight.html#z496_0">00037</a> <font class="keywordtype">void</font> CLight::setupDirectional (<font class="keyword">const</font> CRGBA& ambiant, <font class="keyword">const</font> CRGBA& diffuse, <font class="keyword">const</font> CRGBA& specular, <font class="keyword">const</font> CVector& direction, +00038 <font class="keywordtype">float</font> constant, <font class="keywordtype">float</font> linear, <font class="keywordtype">float</font> quadratic) +00039 { +00040 <font class="comment">// Set the mode</font> +00041 <a class="code" href="classNL3D_1_1CLight.html#z497_0">setMode</a> (<a class="code" href="classNL3D_1_1CLight.html#s3s0">DirectionalLight</a>); +00042 +00043 <font class="comment">// Set the colors</font> +00044 <a class="code" href="classNL3D_1_1CLight.html#z497_1">setAmbiant</a> (ambiant); +00045 <a class="code" href="classNL3D_1_1CLight.html#z497_2">setDiffuse</a> (diffuse); +00046 <a class="code" href="classNL3D_1_1CLight.html#z497_3">setSpecular</a> (specular); +00047 +00048 <font class="comment">// Set the direction</font> +00049 <a class="code" href="classNL3D_1_1CLight.html#z497_5">setDirection</a> (direction); +00050 +00051 <font class="comment">// Set attenuation</font> +00052 <a class="code" href="classNL3D_1_1CLight.html#z497_8">setConstantAttenuation</a> (constant); +00053 <a class="code" href="classNL3D_1_1CLight.html#z497_9">setLinearAttenuation</a> (linear); +00054 <a class="code" href="classNL3D_1_1CLight.html#z497_10">setQuadraticAttenuation</a> (quadratic); +00055 } +00056 +00057 <font class="comment">// ***************************************************************************</font> +00058 +<a name="l00059"></a><a class="code" href="classNL3D_1_1CLight.html#z496_1">00059</a> <font class="keywordtype">void</font> CLight::setupPointLight (<font class="keyword">const</font> CRGBA& ambiant, <font class="keyword">const</font> CRGBA& diffuse, <font class="keyword">const</font> CRGBA& specular, <font class="keyword">const</font> CVector& position, +00060 <font class="keyword">const</font> CVector& direction, <font class="keywordtype">float</font> constant, <font class="keywordtype">float</font> linear, <font class="keywordtype">float</font> quadratic) +00061 { +00062 <font class="comment">// Set the mode</font> +00063 <a class="code" href="classNL3D_1_1CLight.html#z497_0">setMode</a> (<a class="code" href="classNL3D_1_1CLight.html#s3s1">PointLight</a>); +00064 +00065 <font class="comment">// Set the colors</font> +00066 <a class="code" href="classNL3D_1_1CLight.html#z497_1">setAmbiant</a> (ambiant); +00067 <a class="code" href="classNL3D_1_1CLight.html#z497_2">setDiffuse</a> (diffuse); +00068 <a class="code" href="classNL3D_1_1CLight.html#z497_3">setSpecular</a> (specular); +00069 +00070 <font class="comment">// Set the position and direction</font> +00071 <a class="code" href="classNL3D_1_1CLight.html#z497_4">setPosition</a> (position); +00072 <a class="code" href="classNL3D_1_1CLight.html#z497_5">setDirection</a> (direction); +00073 +00074 <font class="comment">// Set attenuation</font> +00075 <a class="code" href="classNL3D_1_1CLight.html#z497_8">setConstantAttenuation</a> (constant); +00076 <a class="code" href="classNL3D_1_1CLight.html#z497_9">setLinearAttenuation</a> (linear); +00077 <a class="code" href="classNL3D_1_1CLight.html#z497_10">setQuadraticAttenuation</a> (quadratic); +00078 } +00079 +00080 <font class="comment">// ***************************************************************************</font> +00081 +<a name="l00082"></a><a class="code" href="classNL3D_1_1CLight.html#z496_2">00082</a> <font class="keywordtype">void</font> CLight::setupSpotLight (<font class="keyword">const</font> CRGBA& ambiant, <font class="keyword">const</font> CRGBA& diffuse, <font class="keyword">const</font> CRGBA& specular, <font class="keyword">const</font> CVector& position, +00083 <font class="keyword">const</font> CVector& direction, <font class="keywordtype">float</font> exponent, <font class="keywordtype">float</font> cutoff, <font class="keywordtype">float</font> constant, <font class="keywordtype">float</font> linear, <font class="keywordtype">float</font> quadratic) +00084 { +00085 <font class="comment">// Set the mode</font> +00086 <a class="code" href="classNL3D_1_1CLight.html#z497_0">setMode</a> (<a class="code" href="classNL3D_1_1CLight.html#s3s2">SpotLight</a>); +00087 +00088 <font class="comment">// Set the colors</font> +00089 <a class="code" href="classNL3D_1_1CLight.html#z497_1">setAmbiant</a> (ambiant); +00090 <a class="code" href="classNL3D_1_1CLight.html#z497_2">setDiffuse</a> (diffuse); +00091 <a class="code" href="classNL3D_1_1CLight.html#z497_3">setSpecular</a> (specular); +00092 +00093 <font class="comment">// Set the position and direction</font> +00094 <a class="code" href="classNL3D_1_1CLight.html#z497_4">setPosition</a> (position); +00095 <a class="code" href="classNL3D_1_1CLight.html#z497_5">setDirection</a> (direction); +00096 +00097 <font class="comment">// Set spotlight parameters</font> +00098 <a class="code" href="classNL3D_1_1CLight.html#z497_6">setExponent</a> (exponent); +00099 <a class="code" href="classNL3D_1_1CLight.html#z497_7">setCutoff</a> (cutoff); +00100 +00101 <font class="comment">// Set attenuation</font> +00102 <a class="code" href="classNL3D_1_1CLight.html#z497_8">setConstantAttenuation</a> (constant); +00103 <a class="code" href="classNL3D_1_1CLight.html#z497_9">setLinearAttenuation</a> (linear); +00104 <a class="code" href="classNL3D_1_1CLight.html#z497_10">setQuadraticAttenuation</a> (quadratic); +00105 } +00106 +00107 <font class="comment">// ***************************************************************************</font> +00108 +<a name="l00109"></a><a class="code" href="classNL3D_1_1CLight.html#z496_3">00109</a> <font class="keywordtype">void</font> CLight::setupAttenuation (<font class="keywordtype">float</font> farAttenuationBegin, <font class="keywordtype">float</font> farAttenuationEnd) +00110 { +00111 <a class="code" href="classNL3D_1_1CLight.html#o8">_ConstantAttenuation</a>=1.f; +00112 <a class="code" href="classNL3D_1_1CLight.html#o10">_QuadraticAttenuation</a>=(float)(0.1/(0.9*farAttenuationBegin*farAttenuationBegin)); +00113 <a class="code" href="classNL3D_1_1CLight.html#o9">_LinearAttenuation</a>=(float)(0.1/(0.9*farAttenuationBegin)); +00114 +00115 <font class="comment">// blend factor</font> +00116 <font class="keywordtype">float</font> factor = (0.1f*<a class="code" href="classNL3D_1_1CLight.html#o9">_LinearAttenuation</a>*farAttenuationEnd-0.1f*<a class="code" href="classNL3D_1_1CLight.html#o10">_QuadraticAttenuation</a>*farAttenuationEnd*farAttenuationEnd); +00117 +00118 <font class="keywordflow">if</font> (factor == 0.0f) +00119 factor = 0.0001f; +00120 factor = (0.9f-0.1f*<a class="code" href="classNL3D_1_1CLight.html#o10">_QuadraticAttenuation</a>*farAttenuationEnd*farAttenuationEnd)/factor; +00121 +00122 <font class="keywordflow">if</font> ((factor<0.f)||(factor>1.f)) +00123 { +00124 <font class="comment">// Better factor</font> +00125 <font class="keywordtype">float</font> d0_1Lin=1.f / ( <a class="code" href="classNL3D_1_1CLight.html#o8">_ConstantAttenuation</a> + <a class="code" href="classNL3D_1_1CLight.html#o9">_LinearAttenuation</a>*farAttenuationEnd ); +00126 <font class="keywordtype">float</font> d0_1Quad=1.f / ( <a class="code" href="classNL3D_1_1CLight.html#o8">_ConstantAttenuation</a> + <a class="code" href="classNL3D_1_1CLight.html#o10">_QuadraticAttenuation</a>*farAttenuationEnd*farAttenuationEnd ); +00127 +00128 <font class="comment">// Better</font> +00129 <font class="keywordflow">if</font> (fabs (d0_1Lin-0.1f)<fabs (d0_1Quad-0.1f)) +00130 <a class="code" href="classNL3D_1_1CLight.html#o10">_QuadraticAttenuation</a>=0.f; +00131 <font class="keywordflow">else</font> +00132 <a class="code" href="classNL3D_1_1CLight.html#o9">_LinearAttenuation</a>=0.f; +00133 } +00134 <font class="keywordflow">else</font> +00135 { +00136 <a class="code" href="classNL3D_1_1CLight.html#o9">_LinearAttenuation</a>*=factor; +00137 <a class="code" href="classNL3D_1_1CLight.html#o10">_QuadraticAttenuation</a>*=(1.f-factor); +00138 } +00139 +00140 <font class="preprocessor">#ifdef NL_DEBUG</font> +00141 <font class="preprocessor"></font> <font class="comment">// Should be near previous result</font> +00142 <font class="keywordtype">float</font> d1_0=1.f / ( <a class="code" href="classNL3D_1_1CLight.html#o8">_ConstantAttenuation</a> + <a class="code" href="classNL3D_1_1CLight.html#o9">_LinearAttenuation</a>*0.f + <a class="code" href="classNL3D_1_1CLight.html#o10">_QuadraticAttenuation</a>*0.f*0.f ); +00143 <font class="keywordtype">float</font> d0_9=1.f / ( <a class="code" href="classNL3D_1_1CLight.html#o8">_ConstantAttenuation</a> + <a class="code" href="classNL3D_1_1CLight.html#o9">_LinearAttenuation</a>*farAttenuationBegin + <a class="code" href="classNL3D_1_1CLight.html#o10">_QuadraticAttenuation</a>*farAttenuationBegin*farAttenuationBegin ); +00144 <font class="keywordtype">float</font> d0_1=1.f / ( <a class="code" href="classNL3D_1_1CLight.html#o8">_ConstantAttenuation</a> + <a class="code" href="classNL3D_1_1CLight.html#o9">_LinearAttenuation</a>*farAttenuationEnd + <a class="code" href="classNL3D_1_1CLight.html#o10">_QuadraticAttenuation</a>*farAttenuationEnd*farAttenuationEnd ); +00145 <font class="preprocessor">#endif // NL_DEBUG*/</font> +00146 <font class="preprocessor"></font>} +00147 +00148 <font class="comment">// ***************************************************************************</font> +00149 +<a name="l00150"></a><a class="code" href="classNL3D_1_1CLight.html#z496_5">00150</a> <font class="keywordtype">void</font> CLight::setupSpotExponent (<font class="keywordtype">float</font> hotSpotAngle) +00151 { +00152 <font class="keywordtype">float</font> divid=(float)log (cos (hotSpotAngle)); +00153 <font class="keywordflow">if</font> (divid==0.f) +00154 divid=0.0001f; +00155 <a class="code" href="classNL3D_1_1CLight.html#z497_6">setExponent</a> ((<font class="keywordtype">float</font>)(log (0.9)/divid)); +00156 } +00157 +00158 <font class="comment">// ***************************************************************************</font> +00159 +<a name="l00160"></a><a class="code" href="classNL3D_1_1CLight.html#z496_4">00160</a> <font class="keywordtype">void</font> CLight::setNoAttenuation () +00161 { +00162 <a class="code" href="classNL3D_1_1CLight.html#o8">_ConstantAttenuation</a>=1.f; +00163 <a class="code" href="classNL3D_1_1CLight.html#o10">_QuadraticAttenuation</a>=0.f; +00164 <a class="code" href="classNL3D_1_1CLight.html#o9">_LinearAttenuation</a>=0.f; +00165 } +00166 +00167 <font class="comment">// ***************************************************************************</font> +00168 +00169 } <font class="comment">// NL3D</font> +</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> |