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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>trav_scene.h</h1><a href="trav__scene_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_TRAV_SCENE_H</font> +00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_TRAV_SCENE_H</font> +00028 <font class="preprocessor"></font> +00029 +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="smart__ptr_8h.html">nel/misc/smart_ptr.h</a>"</font> +00032 +00033 +00034 +00035 <font class="keyword">namespace </font>NL3D +00036 { +00037 +00038 <font class="keyword">class </font>CScene; +00039 +00040 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>; +00041 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CPlane.html">NLMISC::CPlane</a>; +00042 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a>; +00043 +00044 +00045 <font class="comment">// ***************************************************************************</font> +<a name="l00061"></a><a class="code" href="classNL3D_1_1ITravScene.html">00061</a> <font class="comment"></font><font class="keyword">class </font>ITravScene : <font class="keyword">public</font> ITrav +00062 { +00063 <font class="keyword">public</font>: +<a name="l00064"></a><a class="code" href="classNL3D_1_1ITravScene.html#m0">00064</a> CScene *<a class="code" href="classNL3D_1_1ITravScene.html#m0">Scene</a>; <font class="comment">// the scene owning this traversal (if any)</font> +00065 <font class="keyword">public</font>: +<a name="l00067"></a><a class="code" href="classNL3D_1_1ITravScene.html#a0">00067</a> <a class="code" href="classNL3D_1_1ITravScene.html#a0">ITravScene</a>() : <a class="code" href="classNL3D_1_1ITravScene.html#m0">Scene</a>(NULL) {} +00076 <font class="keyword">virtual</font> sint <a class="code" href="classNL3D_1_1ITravScene.html#a1">getRenderOrder</a>() <font class="keyword">const</font> =0; +00077 +00081 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ITravScene.html#a2">traverse</a>() =0; +00082 +00083 <font class="keyword">protected</font>: +00086 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ITravScene.html#b0">addedToMOT</a>(CMOT *mot); +00087 }; +00088 +00089 +00090 <font class="comment">// ***************************************************************************</font> +<a name="l00095"></a><a class="code" href="classNL3D_1_1ITravCameraScene.html">00095</a> <font class="comment"></font><font class="keyword">class </font>ITravCameraScene : <font class="keyword">public</font> ITravScene +00096 { +00097 <font class="keyword">public</font>: +00102 <font class="comment">// NB: znear and zfar are >0 (if perspective).</font> +<a name="l00103"></a><a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_3">00103</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_0">Left</a>, <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_1">Right</a>, <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_2">Bottom</a>, <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_3">Top</a>, <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_4">Near</a>, <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_5">Far</a>; +<a name="l00104"></a><a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_6">00104</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_6">Perspective</a>; +<a name="l00105"></a><a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_7">00105</a> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_7">CamMatrix</a>; <font class="comment">// The camera matrix.</font> +<a name="l00106"></a><a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_8">00106</a> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_8">ViewMatrix</a>; <font class="comment">// ViewMatrix= CamMatrix.inverted();</font> +<a name="l00107"></a><a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_9">00107</a> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_9">CamPos</a>; <font class="comment">// The camera position in world space.</font> +<a name="l00108"></a><a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_10">00108</a> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_10">CamLook</a>; <font class="comment">// The Y direction of the camera in world space.</font> +00110 <font class="comment"></font> +00111 +00112 <font class="keyword">public</font>: +<a name="l00114"></a><a class="code" href="classNL3D_1_1ITravCameraScene.html#a0">00114</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ITravCameraScene.html#a0">setFrustum</a>(<font class="keywordtype">float</font> left, <font class="keywordtype">float</font> right, <font class="keywordtype">float</font> bottom, <font class="keywordtype">float</font> top, <font class="keywordtype">float</font> znear, <font class="keywordtype">float</font> zfar, <font class="keywordtype">bool</font> perspective= <font class="keyword">true</font>) +00115 { +00116 <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_0">Left</a>= left; +00117 <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_1">Right</a>= right; +00118 <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_2">Bottom</a>= bottom; +00119 <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_3">Top</a>= top; +00120 <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_4">Near</a>= znear; +00121 <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_5">Far</a>= zfar; +00122 <a class="code" href="classNL3D_1_1ITravCameraScene.html#z877_6">Perspective</a>= perspective; +00123 } +<a name="l00125"></a><a class="code" href="classNL3D_1_1ITravCameraScene.html#a1">00125</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ITravCameraScene.html#a0">setFrustum</a>(<font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, <font class="keywordtype">float</font> <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>, <font class="keywordtype">float</font> znear, <font class="keywordtype">float</font> zfar, <font class="keywordtype">bool</font> perspective= <font class="keyword">true</font>) +00126 { +00127 <a class="code" href="classNL3D_1_1ITravCameraScene.html#a0">setFrustum</a>(-<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>/2, <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>/2, -<a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>/2, <a class="code" href="driver__opengl__extension__def_8h.html#a390">height</a>/2, znear, zfar, perspective); +00128 } +<a name="l00130"></a><a class="code" href="classNL3D_1_1ITravCameraScene.html#a2">00130</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ITravCameraScene.html#a2">setCamMatrix</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> &camMatrix) +00131 { +00132 CamMatrix= camMatrix; +00133 } +00134 +00135 +<a name="l00137"></a><a class="code" href="classNL3D_1_1ITravCameraScene.html#a3">00137</a> <a class="code" href="classNL3D_1_1ITravCameraScene.html#a3">ITravCameraScene</a>() +00138 { +00139 <a class="code" href="classNL3D_1_1ITravCameraScene.html#a0">setFrustum</a>(1.0f, 1.0f, 0.01f, 1.0f); +00140 CamMatrix.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_0">identity</a>(); +00141 ViewMatrix.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_0">identity</a>(); +00142 CamPos= <a class="code" href="classNLMISC_1_1CVector.html#p0">NLMISC::CVector::Null</a>; +00143 CamLook= <a class="code" href="classNLMISC_1_1CVector.html#p0">NLMISC::CVector::Null</a>; +00144 } +00145 +00146 +00147 <font class="keyword">protected</font>: +00148 +<a name="l00150"></a><a class="code" href="classNL3D_1_1ITravCameraScene.html#b0">00150</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1ITravCameraScene.html#b0">update</a>() +00151 { +00152 ViewMatrix= CamMatrix.<a class="code" href="classNLMISC_1_1CMatrix.html#z293_7">inverted</a>(); +00153 CamPos= CamMatrix.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_4">getPos</a>(); +00154 CamLook= CamMatrix.<a class="code" href="classNLMISC_1_1CMatrix.html#z294_0">mulVector</a>(<a class="code" href="classNLMISC_1_1CVector.html#p2">NLMISC::CVector::J</a>); +00155 } +00156 +00157 +00158 }; +00159 +00160 +00161 } +00162 +00163 +00164 <font class="preprocessor">#endif // NL_TRAV_SCENE_H</font> +00165 <font class="preprocessor"></font> +00166 <font class="comment">/* End of trav_scene.h */</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> |