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| 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/driver__opengl__light_8cpp-source.html | |
| download | nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.tar.xz nevrax-website-self-hostable-0ea5fc66924303d1bf73ba283a383e2aadee02f2.zip | |
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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>driver_opengl_light.cpp</h1><a href="driver__opengl__light_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="stdopengl_8h.html">stdopengl.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">namespace </font>NL3D +00031 { +00032 +00033 +00034 <font class="comment">// ***************************************************************************</font> +<a name="l00035"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a74">00035</a> <a class="code" href="types__nl_8h.html#a13">uint</a> CDriverGL::getMaxLight ()<font class="keyword"> const</font> +00036 <font class="keyword"></font>{ +00037 <font class="comment">// return min(maxLight supported by openGL, MaxLight=8).</font> +00038 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CDriverGL.html#o30">_MaxDriverLight</a>; +00039 } +00040 +00041 <font class="comment">// ***************************************************************************</font> +00042 +<a name="l00043"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a75">00043</a> <font class="keywordtype">void</font> CDriverGL::setLight (<a class="code" href="types__nl_8h.html#a5">uint8</a> num, <font class="keyword">const</font> CLight& light) +00044 { +00045 <font class="comment">// Check light count is good</font> +00046 <font class="comment">// nlassert (num<_MaxDriverLight);</font> +00047 +00048 <font class="comment">// Set the light</font> +00049 <font class="keywordflow">if</font> (num<<a class="code" href="classNL3D_1_1CDriverGL.html#o30">_MaxDriverLight</a>) +00050 { +00051 <font class="comment">// GL light number</font> +00052 GLenum lightNum=(GLenum)(GL_LIGHT0+num); +00053 +00054 <font class="comment">// Get light mode</font> +00055 CLight::TLightMode mode=light.getMode (); +00056 +00057 <font class="comment">// Copy the mode</font> +00058 <a class="code" href="classNL3D_1_1CDriverGL.html#o32">_LightMode</a>[num]=mode; +00059 +00060 <font class="comment">// Set the ambiant color</font> +00061 GLfloat colorGL[4]; +00062 CRGBA colorNeL=light.getAmbiant (); +00063 colorGL[0]=(float)colorNeL.R/255.f; +00064 colorGL[1]=(float)colorNeL.G/255.f; +00065 colorGL[2]=(float)colorNeL.B/255.f; +00066 colorGL[3]=1.f; +00067 glLightfv (lightNum, GL_AMBIENT, colorGL); +00068 +00069 <font class="comment">// Set the diffuse color</font> +00070 colorNeL=light.getDiffuse (); +00071 colorGL[0]=(float)colorNeL.R/255.f; +00072 colorGL[1]=(float)colorNeL.G/255.f; +00073 colorGL[2]=(float)colorNeL.B/255.f; +00074 colorGL[3]=1.f; +00075 glLightfv (lightNum, GL_DIFFUSE, colorGL); +00076 +00077 <font class="comment">// Set the specular color</font> +00078 colorNeL=light.getSpecular (); +00079 colorGL[0]=(float)colorNeL.R/255.f; +00080 colorGL[1]=(float)colorNeL.G/255.f; +00081 colorGL[2]=(float)colorNeL.B/255.f; +00082 colorGL[3]=1.f; +00083 glLightfv (lightNum, GL_SPECULAR, colorGL); +00084 +00085 <font class="comment">// Set light attenuation</font> +00086 glLightf (lightNum, GL_CONSTANT_ATTENUATION, light.getConstantAttenuation()); +00087 glLightf (lightNum, GL_LINEAR_ATTENUATION, light.getLinearAttenuation()); +00088 glLightf (lightNum, GL_QUADRATIC_ATTENUATION, light.getQuadraticAttenuation()); +00089 +00090 <font class="comment">// Set the position</font> +00091 <font class="keywordflow">if</font> ((mode==CLight::DirectionalLight)||(mode==CLight::SpotLight)) +00092 { +00093 <font class="comment">// Get the direction of the light</font> +00094 <a class="code" href="classNL3D_1_1CDriverGL.html#o34">_WorldLightDirection</a>[num]=light.getDirection (); +00095 } +00096 +00097 <font class="keywordflow">if</font> (mode!=CLight::DirectionalLight) +00098 { +00099 <font class="comment">// Get the position of the light</font> +00100 <a class="code" href="classNL3D_1_1CDriverGL.html#o33">_WorldLightPos</a>[num]=light.getPosition (); +00101 } +00102 +00103 <font class="keywordflow">if</font> (mode==CLight::SpotLight) +00104 { +00105 <font class="comment">// Get the exponent of the spot</font> +00106 <font class="keywordtype">float</font> exponent=light.getExponent (); +00107 +00108 <font class="comment">// Set it</font> +00109 glLightf (lightNum, GL_SPOT_EXPONENT, exponent); +00110 +00111 <font class="comment">// Get the cutoff of the spot</font> +00112 <font class="keywordtype">float</font> cutoff=180.f*(light.getCutoff ()/(float)NLMISC::Pi); +00113 +00114 <font class="comment">// Set it</font> +00115 glLightf (lightNum, GL_SPOT_CUTOFF, cutoff); +00116 } +00117 <font class="keywordflow">else</font> +00118 { +00119 <font class="comment">// Disactive spot properties</font> +00120 glLighti (lightNum, GL_SPOT_CUTOFF, 180); +00121 glLighti (lightNum, GL_SPOT_EXPONENT, 0); +00122 } +00123 +00124 <a class="code" href="classNL3D_1_1CDriverGL.html#o7">_ViewMatrixSetupDirty</a>=<font class="keyword">true</font>; +00125 } +00126 } +00127 +00128 <font class="comment">// ***************************************************************************</font> +00129 +<a name="l00130"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a76">00130</a> <font class="keywordtype">void</font> CDriverGL::enableLight (<a class="code" href="types__nl_8h.html#a5">uint8</a> num, <font class="keywordtype">bool</font> enable) +00131 { +00132 <font class="comment">// Check light count is good</font> +00133 <font class="comment">// nlassert (num<_MaxDriverLight);</font> +00134 +00135 <font class="comment">// Enable glLight</font> +00136 <font class="keywordflow">if</font> (num<<a class="code" href="classNL3D_1_1CDriverGL.html#o30">_MaxDriverLight</a>) +00137 { +00138 <font class="comment">// Enable the light</font> +00139 <a class="code" href="classNL3D_1_1CDriverGL.html#o31">_LightEnable</a>[num]=enable; +00140 +00141 <font class="comment">// Enable GL</font> +00142 <font class="keywordflow">if</font> (enable) +00143 glEnable ((GLenum)(GL_LIGHT0+num)); +00144 <font class="keywordflow">else</font> +00145 glDisable ((GLenum)(GL_LIGHT0+num)); +00146 } +00147 } +00148 +00149 <font class="comment">// ***************************************************************************</font> +00150 +<a name="l00151"></a><a class="code" href="classNL3D_1_1CDriverGL.html#a78">00151</a> <font class="keywordtype">void</font> CDriverGL::setAmbientColor (CRGBA color) +00152 { +00153 <font class="comment">// Gl array</font> +00154 GLfloat array[4]; +00155 array[0]=(float)color.R/255.f; +00156 array[1]=(float)color.G/255.f; +00157 array[2]=(float)color.B/255.f; +00158 array[3]=1.f; +00159 +00160 <font class="comment">// Set the color</font> +00161 glLightModelfv (GL_LIGHT_MODEL_AMBIENT, array); +00162 } +00163 +00164 <font class="comment">// ***************************************************************************</font> +00165 +00166 } <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> |