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+<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 &gt;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> &amp;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>
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