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88<a href="#pub-methods">Public Member Functions</a> </div>
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90<div class="title">irr::scene::ITerrainSceneNode Class Reference</div> </div>
91</div>
92<div class="contents">
93<!-- doxytag: class="irr::scene::ITerrainSceneNode" --><!-- doxytag: inherits="irr::scene::ISceneNode" -->
94<p>A scene node for displaying terrain using the geo mip map algorithm.
95 <a href="classirr_1_1scene_1_1_i_terrain_scene_node.html#details">More...</a></p>
96
97<p><code>#include &lt;<a class="el" href="_i_terrain_scene_node_8h_source.html">ITerrainSceneNode.h</a>&gt;</code></p>
98<div id="dynsection-0" onclick="return toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;">
99 <img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for irr::scene::ITerrainSceneNode:</div>
100<div id="dynsection-0-summary" class="dynsummary" style="display:block;">
101</div>
102<div id="dynsection-0-content" class="dyncontent" style="display:none;">
103 <div class="center">
104 <img src="classirr_1_1scene_1_1_i_terrain_scene_node.png" usemap="#irr::scene::ITerrainSceneNode_map" alt=""/>
105 <map id="irr::scene::ITerrainSceneNode_map" name="irr::scene::ITerrainSceneNode_map">
106<area href="classirr_1_1scene_1_1_i_scene_node.html" title="Scene node interface." alt="irr::scene::ISceneNode" shape="rect" coords="0,112,200,136"/>
107<area href="classirr_1_1io_1_1_i_attribute_exchanging_object.html" title="An object which is able to serialize and deserialize its attributes into an attributes object..." alt="irr::io::IAttributeExchangingObject" shape="rect" coords="0,56,200,80"/>
108<area href="classirr_1_1_i_reference_counted.html" title="Base class of most objects of the Irrlicht Engine." alt="irr::IReferenceCounted" shape="rect" coords="0,0,200,24"/>
109</map>
110 </div></div>
111
112<p><a href="classirr_1_1scene_1_1_i_terrain_scene_node-members.html">List of all members.</a></p>
113<h2><a name="pub-methods"></a>
114Public Member Functions</h2>
115<ul>
116<li><a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#a152a472837bbce22d1221086a47d8af5">ITerrainSceneNode</a> (<a class="el" href="classirr_1_1scene_1_1_i_scene_node.html">ISceneNode</a> *parent, <a class="el" href="classirr_1_1scene_1_1_i_scene_manager.html">ISceneManager</a> *mgr, <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> id, const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp;position=<a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a>(0.0f, 0.0f, 0.0f), const core::vector3df &amp;rotation=core::vector3df(0.0f, 0.0f, 0.0f), const core::vector3df &amp;scale=core::vector3df(1.0f, 1.0f, 1.0f))
117<dl class="el"><dd class="mdescRight">Constructor. <a href="#a152a472837bbce22d1221086a47d8af5"></a><br/></dl><li>virtual const <a class="el" href="classirr_1_1core_1_1aabbox3d.html">core::aabbox3d</a><br class="typebreak"/>
118&lt; <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> &gt; &amp; <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#a02a14fe28f5a326fca819c36bee2e92e">getBoundingBox</a> () const =0
119<dl class="el"><dd class="mdescRight">Get the bounding box of the terrain. <a href="#a02a14fe28f5a326fca819c36bee2e92e"></a><br/></dl><li>virtual const <a class="el" href="classirr_1_1core_1_1aabbox3d.html">core::aabbox3d</a><br class="typebreak"/>
120&lt; <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> &gt; &amp; <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#a383501cc9c5cd30176f1f7ff6f8ab817">getBoundingBox</a> (<a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> patchX, <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> patchZ) const =0
121<dl class="el"><dd class="mdescRight">Get the bounding box of a patch. <a href="#a383501cc9c5cd30176f1f7ff6f8ab817"></a><br/></dl><li>virtual <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#a0d310851f0ebf1fce18d3a2c0f3dceab">getCurrentLODOfPatches</a> (<a class="el" href="classirr_1_1core_1_1array.html">core::array</a>&lt; <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> &gt; &amp;LODs) const =0
122<dl class="el"><dd class="mdescRight">Populates an array with the CurrentLOD of each patch. <a href="#a0d310851f0ebf1fce18d3a2c0f3dceab"></a><br/></dl><li>virtual <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#a9289839822ea77496af62f311f01c8bb">getHeight</a> (<a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> x, <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> y) const =0
123<dl class="el"><dd class="mdescRight">Get height of a point of the terrain. <a href="#a9289839822ea77496af62f311f01c8bb"></a><br/></dl><li>virtual <a class="el" href="namespaceirr.html#a0416a53257075833e7002efd0a18e804">u32</a> <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#a0f09a8260f325570ce58f0fc6993aff9">getIndexCount</a> () const =0
124<dl class="el"><dd class="mdescRight">Get the number of indices currently in the meshbuffer. <a href="#a0f09a8260f325570ce58f0fc6993aff9"></a><br/></dl><li>virtual <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#aec6d83c4882fad10a0b35ca5a7ec0935">getIndicesForPatch</a> (<a class="el" href="classirr_1_1core_1_1array.html">core::array</a>&lt; <a class="el" href="namespaceirr.html#a0416a53257075833e7002efd0a18e804">u32</a> &gt; &amp;indices, <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> patchX, <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> patchZ, <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> LOD=0)=0
125<dl class="el"><dd class="mdescRight">Gets the indices for a specified patch at a specified Level of Detail. <a href="#aec6d83c4882fad10a0b35ca5a7ec0935"></a><br/></dl><li>virtual <a class="el" href="classirr_1_1scene_1_1_i_mesh.html">IMesh</a> * <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#a6b5f5fca80e77f392e23d83dc61ae88e">getMesh</a> ()=0
126<dl class="el"><dd class="mdescRight">Get pointer to the mesh. <a href="#a6b5f5fca80e77f392e23d83dc61ae88e"></a><br/></dl><li>virtual void <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#ae23af8c2066da39ad10714dcf95dd8f1">getMeshBufferForLOD</a> (<a class="el" href="classirr_1_1scene_1_1_i_dynamic_mesh_buffer.html">IDynamicMeshBuffer</a> &amp;mb, <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> LOD=0) const =0
127<dl class="el"><dd class="mdescRight">Gets the meshbuffer data based on a specified level of detail. <a href="#ae23af8c2066da39ad10714dcf95dd8f1"></a><br/></dl><li>virtual <a class="el" href="classirr_1_1scene_1_1_i_mesh_buffer.html">IMeshBuffer</a> * <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#a3383e2d453c22c31091ad8652de2bb8a">getRenderBuffer</a> ()=0
128<dl class="el"><dd class="mdescRight">Get pointer to the buffer used by the terrain (most users will not need this) <a href="#a3383e2d453c22c31091ad8652de2bb8a"></a><br/></dl><li>virtual const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp; <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#a804241f60c853e74fcb8687cd887f1b7">getTerrainCenter</a> () const =0
129<dl class="el"><dd class="mdescRight">Get center of terrain. <a href="#a804241f60c853e74fcb8687cd887f1b7"></a><br/></dl><li>virtual bool <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#ae5c598195e3faafb7cc58b71beb7ee1b">loadHeightMap</a> (<a class="el" href="classirr_1_1io_1_1_i_read_file.html">io::IReadFile</a> *file, <a class="el" href="classirr_1_1video_1_1_s_color.html">video::SColor</a> vertexColor=<a class="el" href="classirr_1_1video_1_1_s_color.html">video::SColor</a>(255, 255, 255, 255), <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> smoothFactor=0)=0
130<dl class="el"><dd class="mdescRight">Initializes the terrain data. Loads the vertices from the heightMapFile. <a href="#ae5c598195e3faafb7cc58b71beb7ee1b"></a><br/></dl><li>virtual bool <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#a43d92272d8d860dda1c74b9fe795f062">loadHeightMapRAW</a> (<a class="el" href="classirr_1_1io_1_1_i_read_file.html">io::IReadFile</a> *file, <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> bitsPerPixel=16, bool signedData=false, bool floatVals=false, <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> width=0, <a class="el" href="classirr_1_1video_1_1_s_color.html">video::SColor</a> vertexColor=<a class="el" href="classirr_1_1video_1_1_s_color.html">video::SColor</a>(255, 255, 255, 255), <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> smoothFactor=0)=0
131<dl class="el"><dd class="mdescRight">Initializes the terrain data. Loads the vertices from the heightMapFile. <a href="#a43d92272d8d860dda1c74b9fe795f062"></a><br/></dl><li>virtual bool <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#af98b54e1a59c014d60ea888eba6010d7">overrideLODDistance</a> (<a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> LOD, <a class="el" href="namespaceirr.html#a1325b02603ad449f92c68fc640af9b28">f64</a> newDistance)=0
132<dl class="el"><dd class="mdescRight">Override the default generation of distance thresholds. <a href="#af98b54e1a59c014d60ea888eba6010d7"></a><br/></dl><li>virtual void <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#aacfb35db09be74e32c22a10c7e13bbcc">scaleTexture</a> (<a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> scale=1.0f, f32 scale2=0.0f)=0
133<dl class="el"><dd class="mdescRight">Scales the base texture, similar to makePlanarTextureMapping. <a href="#aacfb35db09be74e32c22a10c7e13bbcc"></a><br/></dl><li>virtual void <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#af2c07f67c1c5319de4a796ec57950ec3">setCameraMovementDelta</a> (<a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> delta)=0
134<dl class="el"><dd class="mdescRight">Sets the movement camera threshold. <a href="#af2c07f67c1c5319de4a796ec57950ec3"></a><br/></dl><li>virtual void <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#ad11f3e54c291487c49868728a5228b5e">setCameraRotationDelta</a> (<a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> delta)=0
135<dl class="el"><dd class="mdescRight">Sets the rotation camera threshold. <a href="#ad11f3e54c291487c49868728a5228b5e"></a><br/></dl><li>virtual void <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#a95cf695e54f1ef3376f7a3666c2dd834">setDynamicSelectorUpdate</a> (bool bVal)=0
136<dl class="el"><dd class="mdescRight">Sets whether or not the node should dynamically update its associated selector when the geomipmap data changes. <a href="#a95cf695e54f1ef3376f7a3666c2dd834"></a><br/></dl><li>virtual void <a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html#a41b7f1ee70511d648cc11217347160ad">setLODOfPatch</a> (<a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> patchX, <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> patchZ, <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> LOD=0)=0
137<dl class="el"><dd class="mdescRight">Manually sets the LOD of a patch. <a href="#a41b7f1ee70511d648cc11217347160ad"></a><br/></dl></ul>
138<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
139<div class="textblock"><p>A scene node for displaying terrain using the geo mip map algorithm. </p>
140<p>The code for the TerrainSceneNode is based on the Terrain renderer by Soconne and the GeoMipMapSceneNode developed by Spintz. They made their code available for Irrlicht and allowed it to be distributed under this licence. I only modified some parts. A lot of thanks go to them.</p>
141<p>This scene node is capable of very quickly loading terrains and updating the indices at runtime to enable viewing very large terrains. It uses a CLOD (Continuous Level of Detail) algorithm which updates the indices for each patch based on a LOD (Level of Detail) which is determined based on a patch's distance from the camera.</p>
142<p>The Patch Size of the terrain must always be a size of ( 2^N+1, i.e. 8+1(9), 16+1(17), etc. ). The MaxLOD available is directly dependent on the patch size of the terrain. LOD 0 contains all of the indices to draw all the triangles at the max detail for a patch. As each LOD goes up by 1 the step taken, in generating indices increases by - 2^LOD, so for LOD 1, the step taken is 2, for LOD 2, the step taken is 4, LOD 3 - 8, etc. The step can be no larger than the size of the patch, so having a LOD of 8, with a patch size of 17, is asking the algoritm to generate indices every 2^8 ( 256 ) vertices, which is not possible with a patch size of 17. The maximum LOD for a patch size of 17 is 2^4 ( 16 ). So, with a MaxLOD of 5, you'll have LOD 0 ( full detail ), LOD 1 ( every 2 vertices ), LOD 2 ( every 4 vertices ), LOD 3 ( every 8 vertices ) and LOD 4 ( every 16 vertices ). </p>
143
144<p>Definition at line <a class="el" href="_i_terrain_scene_node_8h_source.html#l00049">49</a> of file <a class="el" href="_i_terrain_scene_node_8h_source.html">ITerrainSceneNode.h</a>.</p>
145</div><hr/><h2>Constructor &amp; Destructor Documentation</h2>
146<a class="anchor" id="a152a472837bbce22d1221086a47d8af5"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::ITerrainSceneNode" ref="a152a472837bbce22d1221086a47d8af5" args="(ISceneNode *parent, ISceneManager *mgr, s32 id, const core::vector3df &amp;position=core::vector3df(0.0f, 0.0f, 0.0f), const core::vector3df &amp;rotation=core::vector3df(0.0f, 0.0f, 0.0f), const core::vector3df &amp;scale=core::vector3df(1.0f, 1.0f, 1.0f))" -->
147<div class="memitem">
148<div class="memproto">
149 <table class="memname">
150 <tr>
151 <td class="memname">irr::scene::ITerrainSceneNode::ITerrainSceneNode </td>
152 <td>(</td>
153 <td class="paramtype"><a class="el" href="classirr_1_1scene_1_1_i_scene_node.html">ISceneNode</a> *&#160;</td>
154 <td class="paramname"><em>parent</em>, </td>
155 </tr>
156 <tr>
157 <td class="paramkey"></td>
158 <td></td>
159 <td class="paramtype"><a class="el" href="classirr_1_1scene_1_1_i_scene_manager.html">ISceneManager</a> *&#160;</td>
160 <td class="paramname"><em>mgr</em>, </td>
161 </tr>
162 <tr>
163 <td class="paramkey"></td>
164 <td></td>
165 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
166 <td class="paramname"><em>id</em>, </td>
167 </tr>
168 <tr>
169 <td class="paramkey"></td>
170 <td></td>
171 <td class="paramtype">const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp;&#160;</td>
172 <td class="paramname"><em>position</em> = <code><a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a>(0.0f,&#160;0.0f,&#160;0.0f)</code>, </td>
173 </tr>
174 <tr>
175 <td class="paramkey"></td>
176 <td></td>
177 <td class="paramtype">const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp;&#160;</td>
178 <td class="paramname"><em>rotation</em> = <code><a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a>(0.0f,&#160;0.0f,&#160;0.0f)</code>, </td>
179 </tr>
180 <tr>
181 <td class="paramkey"></td>
182 <td></td>
183 <td class="paramtype">const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a> &amp;&#160;</td>
184 <td class="paramname"><em>scale</em> = <code><a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a>(1.0f,&#160;1.0f,&#160;1.0f)</code>&#160;</td>
185 </tr>
186 <tr>
187 <td></td>
188 <td>)</td>
189 <td></td><td><code> [inline]</code></td>
190 </tr>
191 </table>
192</div>
193<div class="memdoc">
194
195<p>Constructor. </p>
196
197<p>Definition at line <a class="el" href="_i_terrain_scene_node_8h_source.html#l00053">53</a> of file <a class="el" href="_i_terrain_scene_node_8h_source.html">ITerrainSceneNode.h</a>.</p>
198
199</div>
200</div>
201<hr/><h2>Member Function Documentation</h2>
202<a class="anchor" id="a02a14fe28f5a326fca819c36bee2e92e"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::getBoundingBox" ref="a02a14fe28f5a326fca819c36bee2e92e" args="() const =0" -->
203<div class="memitem">
204<div class="memproto">
205 <table class="memname">
206 <tr>
207 <td class="memname">virtual const <a class="el" href="classirr_1_1core_1_1aabbox3d.html">core::aabbox3d</a>&lt;<a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&gt;&amp; irr::scene::ITerrainSceneNode::getBoundingBox </td>
208 <td>(</td>
209 <td class="paramname"></td><td>)</td>
210 <td> const<code> [pure virtual]</code></td>
211 </tr>
212 </table>
213</div>
214<div class="memdoc">
215
216<p>Get the bounding box of the terrain. </p>
217<dl class="return"><dt><b>Returns:</b></dt><dd>The bounding box of the entire terrain. </dd></dl>
218
219<p>Implements <a class="el" href="classirr_1_1scene_1_1_i_scene_node.html#a223f718fc2f4944b5ad28c592f6cc8c6">irr::scene::ISceneNode</a>.</p>
220
221</div>
222</div>
223<a class="anchor" id="a383501cc9c5cd30176f1f7ff6f8ab817"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::getBoundingBox" ref="a383501cc9c5cd30176f1f7ff6f8ab817" args="(s32 patchX, s32 patchZ) const =0" -->
224<div class="memitem">
225<div class="memproto">
226 <table class="memname">
227 <tr>
228 <td class="memname">virtual const <a class="el" href="classirr_1_1core_1_1aabbox3d.html">core::aabbox3d</a>&lt;<a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&gt;&amp; irr::scene::ITerrainSceneNode::getBoundingBox </td>
229 <td>(</td>
230 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
231 <td class="paramname"><em>patchX</em>, </td>
232 </tr>
233 <tr>
234 <td class="paramkey"></td>
235 <td></td>
236 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
237 <td class="paramname"><em>patchZ</em>&#160;</td>
238 </tr>
239 <tr>
240 <td></td>
241 <td>)</td>
242 <td></td><td> const<code> [pure virtual]</code></td>
243 </tr>
244 </table>
245</div>
246<div class="memdoc">
247
248<p>Get the bounding box of a patch. </p>
249<dl class="return"><dt><b>Returns:</b></dt><dd>The bounding box of the chosen patch. </dd></dl>
250
251</div>
252</div>
253<a class="anchor" id="a0d310851f0ebf1fce18d3a2c0f3dceab"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::getCurrentLODOfPatches" ref="a0d310851f0ebf1fce18d3a2c0f3dceab" args="(core::array&lt; s32 &gt; &amp;LODs) const =0" -->
254<div class="memitem">
255<div class="memproto">
256 <table class="memname">
257 <tr>
258 <td class="memname">virtual <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> irr::scene::ITerrainSceneNode::getCurrentLODOfPatches </td>
259 <td>(</td>
260 <td class="paramtype"><a class="el" href="classirr_1_1core_1_1array.html">core::array</a>&lt; <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> &gt; &amp;&#160;</td>
261 <td class="paramname"><em>LODs</em></td><td>)</td>
262 <td> const<code> [pure virtual]</code></td>
263 </tr>
264 </table>
265</div>
266<div class="memdoc">
267
268<p>Populates an array with the CurrentLOD of each patch. </p>
269<dl><dt><b>Parameters:</b></dt><dd>
270 <table class="params">
271 <tr><td class="paramname">LODs</td><td>A reference to a core::array&lt;s32&gt; to hold the values </td></tr>
272 </table>
273 </dd>
274</dl>
275<dl class="return"><dt><b>Returns:</b></dt><dd>Number of elements in the array </dd></dl>
276
277</div>
278</div>
279<a class="anchor" id="a9289839822ea77496af62f311f01c8bb"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::getHeight" ref="a9289839822ea77496af62f311f01c8bb" args="(f32 x, f32 y) const =0" -->
280<div class="memitem">
281<div class="memproto">
282 <table class="memname">
283 <tr>
284 <td class="memname">virtual <a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a> irr::scene::ITerrainSceneNode::getHeight </td>
285 <td>(</td>
286 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
287 <td class="paramname"><em>x</em>, </td>
288 </tr>
289 <tr>
290 <td class="paramkey"></td>
291 <td></td>
292 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
293 <td class="paramname"><em>y</em>&#160;</td>
294 </tr>
295 <tr>
296 <td></td>
297 <td>)</td>
298 <td></td><td> const<code> [pure virtual]</code></td>
299 </tr>
300 </table>
301</div>
302<div class="memdoc">
303
304<p>Get height of a point of the terrain. </p>
305
306</div>
307</div>
308<a class="anchor" id="a0f09a8260f325570ce58f0fc6993aff9"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::getIndexCount" ref="a0f09a8260f325570ce58f0fc6993aff9" args="() const =0" -->
309<div class="memitem">
310<div class="memproto">
311 <table class="memname">
312 <tr>
313 <td class="memname">virtual <a class="el" href="namespaceirr.html#a0416a53257075833e7002efd0a18e804">u32</a> irr::scene::ITerrainSceneNode::getIndexCount </td>
314 <td>(</td>
315 <td class="paramname"></td><td>)</td>
316 <td> const<code> [pure virtual]</code></td>
317 </tr>
318 </table>
319</div>
320<div class="memdoc">
321
322<p>Get the number of indices currently in the meshbuffer. </p>
323<dl class="return"><dt><b>Returns:</b></dt><dd>The index count. </dd></dl>
324
325</div>
326</div>
327<a class="anchor" id="aec6d83c4882fad10a0b35ca5a7ec0935"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::getIndicesForPatch" ref="aec6d83c4882fad10a0b35ca5a7ec0935" args="(core::array&lt; u32 &gt; &amp;indices, s32 patchX, s32 patchZ, s32 LOD=0)=0" -->
328<div class="memitem">
329<div class="memproto">
330 <table class="memname">
331 <tr>
332 <td class="memname">virtual <a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a> irr::scene::ITerrainSceneNode::getIndicesForPatch </td>
333 <td>(</td>
334 <td class="paramtype"><a class="el" href="classirr_1_1core_1_1array.html">core::array</a>&lt; <a class="el" href="namespaceirr.html#a0416a53257075833e7002efd0a18e804">u32</a> &gt; &amp;&#160;</td>
335 <td class="paramname"><em>indices</em>, </td>
336 </tr>
337 <tr>
338 <td class="paramkey"></td>
339 <td></td>
340 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
341 <td class="paramname"><em>patchX</em>, </td>
342 </tr>
343 <tr>
344 <td class="paramkey"></td>
345 <td></td>
346 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
347 <td class="paramname"><em>patchZ</em>, </td>
348 </tr>
349 <tr>
350 <td class="paramkey"></td>
351 <td></td>
352 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
353 <td class="paramname"><em>LOD</em> = <code>0</code>&#160;</td>
354 </tr>
355 <tr>
356 <td></td>
357 <td>)</td>
358 <td></td><td><code> [pure virtual]</code></td>
359 </tr>
360 </table>
361</div>
362<div class="memdoc">
363
364<p>Gets the indices for a specified patch at a specified Level of Detail. </p>
365<dl><dt><b>Parameters:</b></dt><dd>
366 <table class="params">
367 <tr><td class="paramname">indices</td><td>A reference to an array of u32 indices. </td></tr>
368 <tr><td class="paramname">patchX</td><td>Patch x coordinate. </td></tr>
369 <tr><td class="paramname">patchZ</td><td>Patch z coordinate. </td></tr>
370 <tr><td class="paramname">LOD</td><td>The level of detail to get for that patch. If -1, then get the CurrentLOD. If the CurrentLOD is set to -1, meaning it's not shown, then it will retrieve the triangles at the highest LOD (0). </td></tr>
371 </table>
372 </dd>
373</dl>
374<dl class="return"><dt><b>Returns:</b></dt><dd>Number of indices put into the buffer. </dd></dl>
375
376</div>
377</div>
378<a class="anchor" id="a6b5f5fca80e77f392e23d83dc61ae88e"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::getMesh" ref="a6b5f5fca80e77f392e23d83dc61ae88e" args="()=0" -->
379<div class="memitem">
380<div class="memproto">
381 <table class="memname">
382 <tr>
383 <td class="memname">virtual <a class="el" href="classirr_1_1scene_1_1_i_mesh.html">IMesh</a>* irr::scene::ITerrainSceneNode::getMesh </td>
384 <td>(</td>
385 <td class="paramname"></td><td>)</td>
386 <td><code> [pure virtual]</code></td>
387 </tr>
388 </table>
389</div>
390<div class="memdoc">
391
392<p>Get pointer to the mesh. </p>
393<dl class="return"><dt><b>Returns:</b></dt><dd>Pointer to the mesh. </dd></dl>
394
395</div>
396</div>
397<a class="anchor" id="ae23af8c2066da39ad10714dcf95dd8f1"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::getMeshBufferForLOD" ref="ae23af8c2066da39ad10714dcf95dd8f1" args="(IDynamicMeshBuffer &amp;mb, s32 LOD=0) const =0" -->
398<div class="memitem">
399<div class="memproto">
400 <table class="memname">
401 <tr>
402 <td class="memname">virtual void irr::scene::ITerrainSceneNode::getMeshBufferForLOD </td>
403 <td>(</td>
404 <td class="paramtype"><a class="el" href="classirr_1_1scene_1_1_i_dynamic_mesh_buffer.html">IDynamicMeshBuffer</a> &amp;&#160;</td>
405 <td class="paramname"><em>mb</em>, </td>
406 </tr>
407 <tr>
408 <td class="paramkey"></td>
409 <td></td>
410 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
411 <td class="paramname"><em>LOD</em> = <code>0</code>&#160;</td>
412 </tr>
413 <tr>
414 <td></td>
415 <td>)</td>
416 <td></td><td> const<code> [pure virtual]</code></td>
417 </tr>
418 </table>
419</div>
420<div class="memdoc">
421
422<p>Gets the meshbuffer data based on a specified level of detail. </p>
423<dl><dt><b>Parameters:</b></dt><dd>
424 <table class="params">
425 <tr><td class="paramname">mb</td><td>A reference to an <a class="el" href="classirr_1_1scene_1_1_i_dynamic_mesh_buffer.html">IDynamicMeshBuffer</a> object </td></tr>
426 <tr><td class="paramname">LOD</td><td>The level of detail you want the indices from. </td></tr>
427 </table>
428 </dd>
429</dl>
430
431</div>
432</div>
433<a class="anchor" id="a3383e2d453c22c31091ad8652de2bb8a"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::getRenderBuffer" ref="a3383e2d453c22c31091ad8652de2bb8a" args="()=0" -->
434<div class="memitem">
435<div class="memproto">
436 <table class="memname">
437 <tr>
438 <td class="memname">virtual <a class="el" href="classirr_1_1scene_1_1_i_mesh_buffer.html">IMeshBuffer</a>* irr::scene::ITerrainSceneNode::getRenderBuffer </td>
439 <td>(</td>
440 <td class="paramname"></td><td>)</td>
441 <td><code> [pure virtual]</code></td>
442 </tr>
443 </table>
444</div>
445<div class="memdoc">
446
447<p>Get pointer to the buffer used by the terrain (most users will not need this) </p>
448
449</div>
450</div>
451<a class="anchor" id="a804241f60c853e74fcb8687cd887f1b7"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::getTerrainCenter" ref="a804241f60c853e74fcb8687cd887f1b7" args="() const =0" -->
452<div class="memitem">
453<div class="memproto">
454 <table class="memname">
455 <tr>
456 <td class="memname">virtual const <a class="el" href="namespaceirr_1_1core.html#a06f169d08b5c429f5575acb7edbad811">core::vector3df</a>&amp; irr::scene::ITerrainSceneNode::getTerrainCenter </td>
457 <td>(</td>
458 <td class="paramname"></td><td>)</td>
459 <td> const<code> [pure virtual]</code></td>
460 </tr>
461 </table>
462</div>
463<div class="memdoc">
464
465<p>Get center of terrain. </p>
466
467</div>
468</div>
469<a class="anchor" id="ae5c598195e3faafb7cc58b71beb7ee1b"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::loadHeightMap" ref="ae5c598195e3faafb7cc58b71beb7ee1b" args="(io::IReadFile *file, video::SColor vertexColor=video::SColor(255, 255, 255, 255), s32 smoothFactor=0)=0" -->
470<div class="memitem">
471<div class="memproto">
472 <table class="memname">
473 <tr>
474 <td class="memname">virtual bool irr::scene::ITerrainSceneNode::loadHeightMap </td>
475 <td>(</td>
476 <td class="paramtype"><a class="el" href="classirr_1_1io_1_1_i_read_file.html">io::IReadFile</a> *&#160;</td>
477 <td class="paramname"><em>file</em>, </td>
478 </tr>
479 <tr>
480 <td class="paramkey"></td>
481 <td></td>
482 <td class="paramtype"><a class="el" href="classirr_1_1video_1_1_s_color.html">video::SColor</a>&#160;</td>
483 <td class="paramname"><em>vertexColor</em> = <code><a class="el" href="classirr_1_1video_1_1_s_color.html">video::SColor</a>(255,&#160;255,&#160;255,&#160;255)</code>, </td>
484 </tr>
485 <tr>
486 <td class="paramkey"></td>
487 <td></td>
488 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
489 <td class="paramname"><em>smoothFactor</em> = <code>0</code>&#160;</td>
490 </tr>
491 <tr>
492 <td></td>
493 <td>)</td>
494 <td></td><td><code> [pure virtual]</code></td>
495 </tr>
496 </table>
497</div>
498<div class="memdoc">
499
500<p>Initializes the terrain data. Loads the vertices from the heightMapFile. </p>
501<p>The file must contain a loadable image of the heightmap. The heightmap must be square. </p>
502<dl><dt><b>Parameters:</b></dt><dd>
503 <table class="params">
504 <tr><td class="paramname">file</td><td>The file to read the image from. File is not rewinded. </td></tr>
505 <tr><td class="paramname">vertexColor</td><td>Color of all vertices. </td></tr>
506 <tr><td class="paramname">smoothFactor</td><td>Number of smoothing passes. </td></tr>
507 </table>
508 </dd>
509</dl>
510
511</div>
512</div>
513<a class="anchor" id="a43d92272d8d860dda1c74b9fe795f062"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::loadHeightMapRAW" ref="a43d92272d8d860dda1c74b9fe795f062" args="(io::IReadFile *file, s32 bitsPerPixel=16, bool signedData=false, bool floatVals=false, s32 width=0, video::SColor vertexColor=video::SColor(255, 255, 255, 255), s32 smoothFactor=0)=0" -->
514<div class="memitem">
515<div class="memproto">
516 <table class="memname">
517 <tr>
518 <td class="memname">virtual bool irr::scene::ITerrainSceneNode::loadHeightMapRAW </td>
519 <td>(</td>
520 <td class="paramtype"><a class="el" href="classirr_1_1io_1_1_i_read_file.html">io::IReadFile</a> *&#160;</td>
521 <td class="paramname"><em>file</em>, </td>
522 </tr>
523 <tr>
524 <td class="paramkey"></td>
525 <td></td>
526 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
527 <td class="paramname"><em>bitsPerPixel</em> = <code>16</code>, </td>
528 </tr>
529 <tr>
530 <td class="paramkey"></td>
531 <td></td>
532 <td class="paramtype">bool&#160;</td>
533 <td class="paramname"><em>signedData</em> = <code>false</code>, </td>
534 </tr>
535 <tr>
536 <td class="paramkey"></td>
537 <td></td>
538 <td class="paramtype">bool&#160;</td>
539 <td class="paramname"><em>floatVals</em> = <code>false</code>, </td>
540 </tr>
541 <tr>
542 <td class="paramkey"></td>
543 <td></td>
544 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
545 <td class="paramname"><em>width</em> = <code>0</code>, </td>
546 </tr>
547 <tr>
548 <td class="paramkey"></td>
549 <td></td>
550 <td class="paramtype"><a class="el" href="classirr_1_1video_1_1_s_color.html">video::SColor</a>&#160;</td>
551 <td class="paramname"><em>vertexColor</em> = <code><a class="el" href="classirr_1_1video_1_1_s_color.html">video::SColor</a>(255,&#160;255,&#160;255,&#160;255)</code>, </td>
552 </tr>
553 <tr>
554 <td class="paramkey"></td>
555 <td></td>
556 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
557 <td class="paramname"><em>smoothFactor</em> = <code>0</code>&#160;</td>
558 </tr>
559 <tr>
560 <td></td>
561 <td>)</td>
562 <td></td><td><code> [pure virtual]</code></td>
563 </tr>
564 </table>
565</div>
566<div class="memdoc">
567
568<p>Initializes the terrain data. Loads the vertices from the heightMapFile. </p>
569<p>The data is interpreted as (signed) integers of the given bit size or floats (with 32bits, signed). Allowed bitsizes for integers are 8, 16, and 32. The heightmap must be square. </p>
570<dl><dt><b>Parameters:</b></dt><dd>
571 <table class="params">
572 <tr><td class="paramname">file</td><td>The file to read the RAW data from. File is not rewinded. </td></tr>
573 <tr><td class="paramname">bitsPerPixel</td><td>Size of data if integers used, for floats always use 32. </td></tr>
574 <tr><td class="paramname">signedData</td><td>Whether we use signed or unsigned ints, ignored for floats. </td></tr>
575 <tr><td class="paramname">floatVals</td><td>Whether the data is float or int. </td></tr>
576 <tr><td class="paramname">width</td><td>Width (and also Height, as it must be square) of the heightmap. Use 0 for autocalculating from the filesize. </td></tr>
577 <tr><td class="paramname">vertexColor</td><td>Color of all vertices. </td></tr>
578 <tr><td class="paramname">smoothFactor</td><td>Number of smoothing passes. </td></tr>
579 </table>
580 </dd>
581</dl>
582
583</div>
584</div>
585<a class="anchor" id="af98b54e1a59c014d60ea888eba6010d7"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::overrideLODDistance" ref="af98b54e1a59c014d60ea888eba6010d7" args="(s32 LOD, f64 newDistance)=0" -->
586<div class="memitem">
587<div class="memproto">
588 <table class="memname">
589 <tr>
590 <td class="memname">virtual bool irr::scene::ITerrainSceneNode::overrideLODDistance </td>
591 <td>(</td>
592 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
593 <td class="paramname"><em>LOD</em>, </td>
594 </tr>
595 <tr>
596 <td class="paramkey"></td>
597 <td></td>
598 <td class="paramtype"><a class="el" href="namespaceirr.html#a1325b02603ad449f92c68fc640af9b28">f64</a>&#160;</td>
599 <td class="paramname"><em>newDistance</em>&#160;</td>
600 </tr>
601 <tr>
602 <td></td>
603 <td>)</td>
604 <td></td><td><code> [pure virtual]</code></td>
605 </tr>
606 </table>
607</div>
608<div class="memdoc">
609
610<p>Override the default generation of distance thresholds. </p>
611<p>For determining the LOD a patch is rendered at. If any LOD is overridden, then the scene node will no longer apply scaling factors to these values. If you override these distances, and then apply a scale to the scene node, it is your responsibility to update the new distances to work best with your new terrain size. </p>
612
613</div>
614</div>
615<a class="anchor" id="aacfb35db09be74e32c22a10c7e13bbcc"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::scaleTexture" ref="aacfb35db09be74e32c22a10c7e13bbcc" args="(f32 scale=1.0f, f32 scale2=0.0f)=0" -->
616<div class="memitem">
617<div class="memproto">
618 <table class="memname">
619 <tr>
620 <td class="memname">virtual void irr::scene::ITerrainSceneNode::scaleTexture </td>
621 <td>(</td>
622 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
623 <td class="paramname"><em>scale</em> = <code>1.0f</code>, </td>
624 </tr>
625 <tr>
626 <td class="paramkey"></td>
627 <td></td>
628 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
629 <td class="paramname"><em>scale2</em> = <code>0.0f</code>&#160;</td>
630 </tr>
631 <tr>
632 <td></td>
633 <td>)</td>
634 <td></td><td><code> [pure virtual]</code></td>
635 </tr>
636 </table>
637</div>
638<div class="memdoc">
639
640<p>Scales the base texture, similar to makePlanarTextureMapping. </p>
641<dl><dt><b>Parameters:</b></dt><dd>
642 <table class="params">
643 <tr><td class="paramname">scale</td><td>The scaling amount. Values above 1.0 increase the number of time the texture is drawn on the terrain. Values below 0 will decrease the number of times the texture is drawn on the terrain. Using negative values will flip the texture, as well as still scaling it. </td></tr>
644 <tr><td class="paramname">scale2</td><td>If set to 0 (default value), this will set the second texture coordinate set to the same values as in the first set. If this is another value than zero, it will scale the second texture coordinate set by this value. </td></tr>
645 </table>
646 </dd>
647</dl>
648
649</div>
650</div>
651<a class="anchor" id="af2c07f67c1c5319de4a796ec57950ec3"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::setCameraMovementDelta" ref="af2c07f67c1c5319de4a796ec57950ec3" args="(f32 delta)=0" -->
652<div class="memitem">
653<div class="memproto">
654 <table class="memname">
655 <tr>
656 <td class="memname">virtual void irr::scene::ITerrainSceneNode::setCameraMovementDelta </td>
657 <td>(</td>
658 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
659 <td class="paramname"><em>delta</em></td><td>)</td>
660 <td><code> [pure virtual]</code></td>
661 </tr>
662 </table>
663</div>
664<div class="memdoc">
665
666<p>Sets the movement camera threshold. </p>
667<p>It is used to determine when to recalculate indices for the scene node. The default value is 10.0f. </p>
668
669</div>
670</div>
671<a class="anchor" id="ad11f3e54c291487c49868728a5228b5e"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::setCameraRotationDelta" ref="ad11f3e54c291487c49868728a5228b5e" args="(f32 delta)=0" -->
672<div class="memitem">
673<div class="memproto">
674 <table class="memname">
675 <tr>
676 <td class="memname">virtual void irr::scene::ITerrainSceneNode::setCameraRotationDelta </td>
677 <td>(</td>
678 <td class="paramtype"><a class="el" href="namespaceirr.html#a0277be98d67dc26ff93b1a6a1d086b07">f32</a>&#160;</td>
679 <td class="paramname"><em>delta</em></td><td>)</td>
680 <td><code> [pure virtual]</code></td>
681 </tr>
682 </table>
683</div>
684<div class="memdoc">
685
686<p>Sets the rotation camera threshold. </p>
687<p>It is used to determine when to recalculate indices for the scene node. The default value is 1.0f. </p>
688
689</div>
690</div>
691<a class="anchor" id="a95cf695e54f1ef3376f7a3666c2dd834"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::setDynamicSelectorUpdate" ref="a95cf695e54f1ef3376f7a3666c2dd834" args="(bool bVal)=0" -->
692<div class="memitem">
693<div class="memproto">
694 <table class="memname">
695 <tr>
696 <td class="memname">virtual void irr::scene::ITerrainSceneNode::setDynamicSelectorUpdate </td>
697 <td>(</td>
698 <td class="paramtype">bool&#160;</td>
699 <td class="paramname"><em>bVal</em></td><td>)</td>
700 <td><code> [pure virtual]</code></td>
701 </tr>
702 </table>
703</div>
704<div class="memdoc">
705
706<p>Sets whether or not the node should dynamically update its associated selector when the geomipmap data changes. </p>
707<dl><dt><b>Parameters:</b></dt><dd>
708 <table class="params">
709 <tr><td class="paramname">bVal,:</td><td>Boolean value representing whether or not to update selector dynamically. </td></tr>
710 </table>
711 </dd>
712</dl>
713
714</div>
715</div>
716<a class="anchor" id="a41b7f1ee70511d648cc11217347160ad"></a><!-- doxytag: member="irr::scene::ITerrainSceneNode::setLODOfPatch" ref="a41b7f1ee70511d648cc11217347160ad" args="(s32 patchX, s32 patchZ, s32 LOD=0)=0" -->
717<div class="memitem">
718<div class="memproto">
719 <table class="memname">
720 <tr>
721 <td class="memname">virtual void irr::scene::ITerrainSceneNode::setLODOfPatch </td>
722 <td>(</td>
723 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
724 <td class="paramname"><em>patchX</em>, </td>
725 </tr>
726 <tr>
727 <td class="paramkey"></td>
728 <td></td>
729 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
730 <td class="paramname"><em>patchZ</em>, </td>
731 </tr>
732 <tr>
733 <td class="paramkey"></td>
734 <td></td>
735 <td class="paramtype"><a class="el" href="namespaceirr.html#ac66849b7a6ed16e30ebede579f9b47c6">s32</a>&#160;</td>
736 <td class="paramname"><em>LOD</em> = <code>0</code>&#160;</td>
737 </tr>
738 <tr>
739 <td></td>
740 <td>)</td>
741 <td></td><td><code> [pure virtual]</code></td>
742 </tr>
743 </table>
744</div>
745<div class="memdoc">
746
747<p>Manually sets the LOD of a patch. </p>
748<dl><dt><b>Parameters:</b></dt><dd>
749 <table class="params">
750 <tr><td class="paramname">patchX</td><td>Patch x coordinate. </td></tr>
751 <tr><td class="paramname">patchZ</td><td>Patch z coordinate. </td></tr>
752 <tr><td class="paramname">LOD</td><td>The level of detail to set the patch to. </td></tr>
753 </table>
754 </dd>
755</dl>
756
757</div>
758</div>
759<hr/>The documentation for this class was generated from the following file:<ul>
760<li><a class="el" href="_i_terrain_scene_node_8h_source.html">ITerrainSceneNode.h</a></li>
761</ul>
762</div>
763</div>
764 <div id="nav-path" class="navpath">
765 <ul>
766 <li class="navelem"><a class="el" href="namespaceirr.html">irr</a> </li>
767 <li class="navelem"><a class="el" href="namespaceirr_1_1scene.html">scene</a> </li>
768 <li class="navelem"><a class="el" href="classirr_1_1scene_1_1_i_terrain_scene_node.html">ITerrainSceneNode</a> </li>
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