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<hr><h1>u_light.h</h1><a href="u__light_8h.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">#ifndef NL_U_LIGHT_H</font>
00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_U_LIGHT_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="rgba_8h.html">nel/misc/rgba.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="vector_8h.html">nel/misc/vector.h</a>"</font>
00032 
00033 
00034 <font class="keyword">namespace </font>NL3D 
00035 {
00036 
00037 <font class="comment">// ***************************************************************************</font>
<a name="l00044"></a><a class="code" href="classNL3D_1_1ULight.html">00044</a> <font class="comment"></font><font class="keyword">class </font>ULight
00045 {
00046 <font class="keyword">public</font>:
00047         <font class="comment">// Three modes for the light</font>
<a name="l00048"></a><a class="code" href="classNL3D_1_1ULight.html#s3">00048</a>         <font class="keyword">enum</font> <a class="code" href="classNL3D_1_1ULight.html#s3">TLightMode</a> 
00049         { 
00050                 <font class="comment">// The light is directional.</font>
00051                 <a class="code" href="classNL3D_1_1ULight.html#s3s0">DirectionalLight</a>, 
00052                 
00053                 <font class="comment">// The light is a point.</font>
00054                 <a class="code" href="classNL3D_1_1ULight.html#s3s1">PointLight</a>, 
00055 
00056                 <font class="comment">// The light is a spotlight with a cone.</font>
00057                 <a class="code" href="classNL3D_1_1ULight.html#s3s2">SpotLight</a> 
00058         };
00059 
00063         <font class="keyword">static</font>  ULight  *<a class="code" href="classNL3D_1_1ULight.html#d0">createLight</a> ();
00064 
00066 
00067 
00069         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z46_0">setupDirectional</a> (<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>&amp; ambiant, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>&amp; diffuse, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>&amp; specular, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>&amp; direction,
00070                                                         <font class="keywordtype">float</font> constant=1, <font class="keywordtype">float</font> linear=0, <font class="keywordtype">float</font> quadratic=0) = 0;
00071         
00073         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z46_1">setupPointLight</a> (<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>&amp; ambiant, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>&amp; diffuse, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>&amp; specular, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>&amp; position, 
00074                                                 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>&amp; direction, <font class="keywordtype">float</font> constant=1, <font class="keywordtype">float</font> linear=0, <font class="keywordtype">float</font> quadratic=0) = 0;
00075 
00077         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z46_2">setupSpotLight</a> (<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>&amp; ambiant, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>&amp; diffuse, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>&amp; specular, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>&amp; position, 
00078                                                 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>&amp; direction, <font class="keywordtype">float</font> exponent, <font class="keywordtype">float</font> cutoff, <font class="keywordtype">float</font> constant=1, <font class="keywordtype">float</font> linear=0, <font class="keywordtype">float</font> quadratic=0) = 0;
00079 
00086         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z46_3">setupAttenuation</a> (<font class="keywordtype">float</font> farAttenuationBegin, <font class="keywordtype">float</font> farAttenuationEnd) = 0;
00087 
00094         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z46_4">setNoAttenuation</a> () = 0;
00095 
00102         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z46_5">setupSpotExponent</a> (<font class="keywordtype">float</font> hotSpotAngle) = 0;
00103 
00105 
00106 
00108 
00109 
00113         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z47_0">setMode</a> (ULight::TLightMode mode) = 0;
00114         
00118         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z47_1">setAmbiant</a> (<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>&amp; ambiant) = 0;
00119 
00123         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z47_2">setDiffuse</a> (<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>&amp; diffuse) = 0;
00124 
00128         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z47_3">setSpecular</a> (<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a>&amp; specular) = 0;
00129 
00133         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z47_4">setPosition</a> (<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>&amp; position) = 0;
00134 
00138         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z47_5">setDirection</a> (<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>&amp; direction) = 0;
00139 
00143         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z47_6">setExponent</a> (<font class="keywordtype">float</font> exponent) = 0;
00144 
00148         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z47_7">setCutoff</a> (<font class="keywordtype">float</font> cutoff) = 0;
00149 
00157         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z47_8">setConstantAttenuation</a> (<font class="keywordtype">float</font> constant) = 0;
00158 
00166         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z47_9">setLinearAttenuation</a> (<font class="keywordtype">float</font> linear) = 0;
00167 
00175         <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ULight.html#z47_10">setQuadraticAttenuation</a> (<font class="keywordtype">float</font> quadratic) = 0;
00176 
00178 
00180 
00181 
00185         <font class="keyword">virtual</font> ULight::TLightMode <a class="code" href="classNL3D_1_1ULight.html#z48_0">getMode</a> () <font class="keyword">const</font> = 0;
00186 
00190         <font class="keyword">virtual</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> <a class="code" href="classNL3D_1_1ULight.html#z48_1">getAmbiant</a> () <font class="keyword">const</font> = 0;
00191 
00195         <font class="keyword">virtual</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> <a class="code" href="classNL3D_1_1ULight.html#z48_2">getDiffuse</a> () <font class="keyword">const</font> = 0;
00196 
00200         <font class="keyword">virtual</font> <a class="code" href="classNLMISC_1_1CRGBA.html">NLMISC::CRGBA</a> <a class="code" href="classNL3D_1_1ULight.html#z48_3">getSpecular</a> () <font class="keyword">const</font> = 0;
00201 
00205         <font class="keyword">virtual</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> <a class="code" href="classNL3D_1_1ULight.html#z48_4">getPosition</a> () <font class="keyword">const</font> = 0;
00206 
00210         <font class="keyword">virtual</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> <a class="code" href="classNL3D_1_1ULight.html#z48_5">getDirection</a> () <font class="keyword">const</font> = 0;
00211 
00215         <font class="keyword">virtual</font> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1ULight.html#z48_6">getExponent</a> () <font class="keyword">const</font> = 0;
00216 
00220         <font class="keyword">virtual</font> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1ULight.html#z48_7">getCutoff</a> () <font class="keyword">const</font> = 0;
00221 
00229         <font class="keyword">virtual</font> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1ULight.html#z48_8">getConstantAttenuation</a> () <font class="keyword">const</font> = 0;
00230 
00238         <font class="keyword">virtual</font> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1ULight.html#z48_9">getLinearAttenuation</a> () <font class="keyword">const</font> = 0;
00239 
00247         <font class="keyword">virtual</font> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1ULight.html#z48_10">getQuadraticAttenuation</a> () <font class="keyword">const</font> = 0;
00248 
00250 };
00251 
00252 
00253 } <font class="comment">// NL3D</font>
00254 
00255 
00256 <font class="preprocessor">#endif // NL_U_LIGHT_H</font>
00257 <font class="preprocessor"></font>
00258 <font class="comment">/* End of u_light.h */</font>
</pre></div>

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