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<hr><h1>quad_tree.h</h1><a href="quad__tree_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
00027 <font class="preprocessor">#ifndef NL_QUAD_TREE_H</font>
00028 <font class="preprocessor"></font><font class="preprocessor">#define NL_QUAD_TREE_H</font>
00029 <font class="preprocessor"></font>
00030 <font class="preprocessor">#include "<a class="code" href="debug_8h.html">nel/misc/debug.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="vector_8h.html">nel/misc/vector.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="plane_8h.html">nel/misc/plane.h</a>"</font>
00033 <font class="preprocessor">#include "<a class="code" href="matrix_8h.html">nel/misc/matrix.h</a>"</font>
00034 <font class="preprocessor">#include <list></font>
00035 <font class="preprocessor">#include <vector></font>
00036
00037
00038 <font class="keyword">namespace </font>NL3D
00039 {
00040
00041
00042
<a name="l00096"></a><a class="code" href="classNL3D_1_1CQuadTree.html">00096</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keyword">class </font>CQuadTree
00097 {
00098
00099 <font class="keyword">public</font>:
00101 <font class="keyword">class </font><a class="code" href="classNL3D_1_1CQuadTree.html#l0">CIterator</a>;
<a name="l00102"></a><a class="code" href="classNL3D_1_1CQuadTree.html#l0">00102</a> <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="classNL3D_1_1CQuadTree.html#l0">CIterator</a>;
00104 <font class="keyword">class </font><a class="code" href="classNL3D_1_1CQuadTree.html#l1">CConstIterator</a>;
<a name="l00105"></a><a class="code" href="classNL3D_1_1CQuadTree.html#l1">00105</a> <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="classNL3D_1_1CQuadTree.html#l1">CConstIterator</a>;
00106
00107 <font class="keyword">public</font>:
00108
00110 <a class="code" href="classNL3D_1_1CQuadTree.html#a0">CQuadTree</a>();
00111
00113 <a class="code" href="classNL3D_1_1CQuadTree.html#a1">~CQuadTree</a>();
00114
00116
00117
00132 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree.html#z0_0">changeBase</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a>& base);
00133
00140 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree.html#z0_1">create</a>(uint DepthMax, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& center, <font class="keywordtype">float</font> size);
00142
00143
00145
00146
00147 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree.html#z1_0">clear</a>();
00148
00151 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree.html#z1_1">eraseAll</a>();
00152
00157 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree.html#z1_2">erase</a>(<a class="code" href="classNL3D_1_1CQuadTree.html#l0">CIterator</a> it);
00158
00165 <a class="code" href="classNL3D_1_1CQuadTree.html#l0">CIterator</a> <a class="code" href="classNL3D_1_1CQuadTree.html#z1_3">insert</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmax, <font class="keyword">const</font> T &val);
00167
00168
00170
00171
00173 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree.html#z2_0">clearSelection</a>();
00174
00177 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree.html#z2_1">selectAll</a>();
00178
00184 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree.html#z2_2">select</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmax);
00185
00191 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree.html#z2_2">select</a>(<font class="keyword">const</font> std::vector<NLMISC::CPlane> &BVolume);
00192
00198 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree.html#z2_4">selectRay</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& source, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& dir);
00199
00205 <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree.html#z2_5">selectSegment</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& source, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& dest);
00206
00209 <a class="code" href="classNL3D_1_1CQuadTree.html#l0">CIterator</a> <a class="code" href="classNL3D_1_1CQuadTree.html#z2_6">begin</a>();
00210
00213 <a class="code" href="classNL3D_1_1CQuadTree.html#l0">CIterator</a> <a class="code" href="classNL3D_1_1CQuadTree.html#z2_7">end</a>();
00215
00216
00217
00218 <font class="comment">// =================</font>
00219 <font class="comment">// =================</font>
00220 <font class="comment">// IMPLEMENTATION.</font>
00221 <font class="comment">// =================</font>
00222 <font class="comment">// =================</font>
00223 <font class="keyword">private</font>:<font class="comment">// Classes.</font>
00224
00225
00226 <font class="comment">// =================</font>
00227 <font class="comment">// =================</font>
00228 <font class="comment">// CBaseNode.</font>
00229 <font class="comment">// =================</font>
00230 <font class="comment">// =================</font>
00231 <font class="comment">// Links fo an element node class.</font>
<a name="l00232"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html">00232</a> <font class="keyword">class </font>CBaseNode
00233 {
00234 <font class="keyword">public</font>:
00235 <font class="comment">// for the Selection list.</font>
<a name="l00236"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#m0">00236</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#a0">CBaseNode</a> *<a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#m0">Prev</a>, *<a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#m1">Next</a>;
00237 <font class="comment">// for the quadnode list. A node MAY be pointed by 4 quad (each having the same level).</font>
<a name="l00238"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#m2">00238</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#a0">CBaseNode</a> *<a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#m2">QuadPrevs</a>[4];
<a name="l00239"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#m3">00239</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#a0">CBaseNode</a> *<a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#m3">QuadNexts</a>[4];
00240
00241
00242 <font class="keyword">public</font>:
<a name="l00243"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#a0">00243</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#a0">CBaseNode</a>()
00244 {
00245 Prev=Next=NULL;
00246 QuadPrevs[0]= QuadPrevs[1]= QuadPrevs[2]= QuadPrevs[3]= NULL;
00247 QuadNexts[0]= QuadNexts[1]= QuadNexts[2]= QuadNexts[3]= NULL;
00248 }
<a name="l00249"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#a1">00249</a> <font class="keyword">virtual</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#a1">~CBaseNode</a>() {} <font class="comment">// Empty destructor, but declare it as virtual...</font>
<a name="l00250"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#a2">00250</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#a2">clear</a>() <font class="comment">// update links.</font>
00251 {
00252 <font class="comment">// On le retire de la selection.</font>
00253 <font class="keywordflow">if</font>(Prev) Prev->Next= Next;
00254 <font class="keywordflow">if</font>(Next) Next->Prev= Prev;
00255 Prev=Next=NULL;
00256 <font class="comment">// On le retire des listes dans les quads.</font>
00257 <font class="keywordflow">for</font>(uint i=0;i<4;i++)
00258 {
00259 <font class="keywordflow">if</font>(QuadPrevs[i]) {<a class="code" href="debug_8h.html#a6">nlassert</a>(QuadPrevs[i]->QuadNexts[i]==<font class="keyword">this</font>); QuadPrevs[i]->QuadNexts[i]= QuadNexts[i];}
00260 <font class="keywordflow">if</font>(QuadNexts[i]) {<a class="code" href="debug_8h.html#a6">nlassert</a>(QuadNexts[i]->QuadPrevs[i]==<font class="keyword">this</font>); QuadNexts[i]->QuadPrevs[i]= QuadPrevs[i];}
00261 QuadPrevs[i]=NULL;
00262 QuadNexts[i]=NULL;
00263 }
00264 }
<a name="l00265"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#a3">00265</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#a3">isSelected</a>() <font class="comment">// return true if Prev is not NULL!!!</font>
00266 {
00267 <font class="keywordflow">return</font> Prev!=NULL;
00268 }
00269 };
00270
00271
00272 <font class="comment">// =================</font>
00273 <font class="comment">// =================</font>
00274 <font class="comment">// CNode.</font>
00275 <font class="comment">// =================</font>
00276 <font class="comment">// =================</font>
00277 <font class="comment">// An element node class.</font>
<a name="l00278"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CNode.html">00278</a> <font class="keyword">class </font>CNode : <font class="keyword">public</font> CBaseNode
00279 {
00280 <font class="keyword">public</font>:
00281 <font class="comment">// A base node, plus the Value.</font>
<a name="l00282"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CNode.html#m0">00282</a> T <a class="code" href="classNL3D_1_1CQuadTree_1_1CNode.html#m0">Value</a>;
<a name="l00283"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CNode.html#a0">00283</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CNode.html#a0">CNode</a>(<font class="keyword">const</font> T &val) : <a class="code" href="classNL3D_1_1CQuadTree_1_1CNode.html#m0">Value</a>(val) {}
00284 };
00285
00286
00287 <font class="comment">// =================</font>
00288 <font class="comment">// =================</font>
00289 <font class="comment">// CQuadNode.</font>
00290 <font class="comment">// =================</font>
00291 <font class="comment">// =================</font>
<a name="l00292"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html">00292</a> <font class="keyword">class </font>CQuadNode
00293 {
00294 <font class="keyword">public</font>:
<a name="l00295"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m0">00295</a> uint <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m0">Level</a>;
<a name="l00296"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m1">00296</a> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m1">BBoxMin</a>, <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m2">BBoxMax</a>;
<a name="l00297"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m3">00297</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m3">BBoxNeverRescale</a>;
<a name="l00298"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m4">00298</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a0">CQuadNode</a> *<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m4">Sons</a>[4];
<a name="l00299"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m5">00299</a> CBaseNode <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m5">RootNode</a>; <font class="comment">// First element of the element list in this quad.</font>
<a name="l00300"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m6">00300</a> uint <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m6">ListIndex</a>; <font class="comment">// [0,3]. index of wich list to follow in "Node.QuadNexts[]".</font>
00301 <font class="comment">/* Topology of sons (top view: axe x/z):</font>
00302 <font class="comment"> 0--1</font>
00303 <font class="comment"> | |</font>
00304 <font class="comment"> 2--3</font>
00305 <font class="comment"> */</font>
00306
00307
00308 <font class="keyword">public</font>:
00309 <font class="comment">// ============================================================================================</font>
<a name="l00310"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a0">00310</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a0">CQuadNode</a>()
00311 {
00312 <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m0">Level</a>=0; Sons[0]= Sons[1]= Sons[2]= Sons[3]= NULL;
00313 <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m6">ListIndex</a>= 0;
00314 <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m3">BBoxNeverRescale</a>=<font class="keyword">true</font>;
00315 }
00316 <font class="comment">// ============================================================================================</font>
<a name="l00317"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a1">00317</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a1">isLeaf</a>()
00318 {
00319 <font class="keywordflow">return</font> Sons[0]==NULL;
00320 }
00321 <font class="comment">// ============================================================================================</font>
<a name="l00322"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a2">00322</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a2">clear</a>()
00323 {
00324 <font class="comment">// Deletons les element dans ce quad node.</font>
00325 CBaseNode *p;
00326 <font class="keywordflow">while</font>( (p=RootNode.QuadNexts[<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m6">ListIndex</a>]) )
00327 {
00328 p->clear(); <font class="comment">// On clear les links. => RootNode.QuadNexts[ListIndex] modifi� implicitement.</font>
00329 <font class="keyword">delete</font> p; <font class="comment">// On delete cet element!!</font>
00330 }
00331
00332 <font class="comment">// Deletons les quad fils.</font>
00333 <font class="keywordflow">for</font>(uint i=0;i<4;i++)
00334 {
00335 <font class="keywordflow">if</font>(Sons[i])
00336 {
00337 Sons[i]->clear();
00338 <font class="keyword">delete</font> Sons[i];
00339 Sons[i]= NULL;
00340 }
00341 }
00342 }
00343 <font class="comment">// ============================================================================================</font>
<a name="l00344"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a3">00344</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a3">split</a>()
00345 {
00346 <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a1">isLeaf</a>());
00347 sint i;
00348
00349 <font class="keywordflow">for</font>(i=0;i<4;i++)
00350 {
00351 Sons[i]= <font class="keyword">new</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a0">CQuadNode</a>;
00352 Sons[i]->Level= <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m0">Level</a>+1;
00353 Sons[i]->ListIndex= i;
00354 }
00355 <font class="comment">// Middle compute.</font>
00356 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> MidLeft(0,0,0), MidRight(0,0,0), MidTop(0,0,0), MidBottom(0,0,0), Middle(0,0,0);
00357 MidLeft.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> = BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>; MidLeft.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> = (BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> + BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>)/2;
00358 MidRight.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> = BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>; MidRight.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> = (BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> + BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>)/2;
00359 MidTop.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> = (BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>)/2; MidTop.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> = BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>;
00360 MidBottom.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>= (BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> + BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>)/2; MidBottom.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>= BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>;
00361 Middle.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> = MidTop.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>; Middle.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> = MidLeft.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>;
00362 <font class="comment">// Sons compute.</font>
00363 <font class="comment">// Don't care of Y.</font>
00364 Sons[0]->BBoxMin = BBoxMin; Sons[0]->BBoxMax = Middle;
00365 Sons[1]->BBoxMin = MidTop ; Sons[1]->BBoxMax = MidRight;
00366 Sons[2]->BBoxMin = MidLeft; Sons[2]->BBoxMax = MidBottom;
00367 Sons[3]->BBoxMin = Middle; Sons[3]->BBoxMax = BBoxMax;
00368
00369 }
00370
00371
00372 <font class="comment">// ============================================================================================</font>
00373 <font class="comment">// This is a quadtree, so those tests just test against x/z. (the base of the box).</font>
<a name="l00374"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a4">00374</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a4">includeBoxQuad</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &boxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &boxmax)
00375 {
00376 <font class="keywordflow">if</font>( BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a><= boxmin.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> && BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>>= boxmax.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> &&
00377 BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a><= boxmin.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> && BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>>= boxmax.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>)
00378 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00379 <font class="keywordflow">else</font>
00380 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00381 }
00382 <font class="comment">// ============================================================================================</font>
<a name="l00383"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a5">00383</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a5">intersectBoxQuad</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &boxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &boxmax)
00384 {
00385 <font class="comment">// inequality and equality is very important, to ensure that a element box will not fit in too many quad boxes.</font>
00386 <font class="keywordflow">if</font>(boxmin.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> > BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00387 <font class="keywordflow">if</font>(boxmin.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> > BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00388 <font class="keywordflow">if</font>(boxmax.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> <= BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00389 <font class="keywordflow">if</font>(boxmax.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> <= BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00390 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00391 }
00392 <font class="comment">// ============================================================================================</font>
<a name="l00393"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a6">00393</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a6">intersectBox</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &boxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &boxmax)
00394 {
00395 <font class="comment">// inequality and equality is very important, to ensure that a element box will not fit in too many quad boxes.</font>
00396 <font class="keywordflow">if</font>(boxmin.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> > BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00397 <font class="keywordflow">if</font>(boxmin.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> > BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00398 <font class="keywordflow">if</font>(boxmin.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> > BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00399 <font class="keywordflow">if</font>(boxmax.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a> <= BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00400 <font class="keywordflow">if</font>(boxmax.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a> <= BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00401 <font class="keywordflow">if</font>(boxmax.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> <= BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>) <font class="keywordflow">return</font> <font class="keyword">false</font>;
00402 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00403 }
00404 <font class="comment">// ============================================================================================</font>
<a name="l00405"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a7">00405</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a6">intersectBox</a>(std::vector<NLMISC::CPlane> &BVolume)
00406 {
00407 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &b1=BBoxMin;
00408 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &b2=BBoxMax;
00409
00410 <font class="keywordflow">for</font>(sint i=0;i<(int)BVolume.size();i++)
00411 {
00412 <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CPlane.html">NLMISC::CPlane</a> &plane=BVolume[i];
00413 <font class="comment">// If only one of the box vertex is IN the plane, then all the box is IN this plane.</font>
00414 <font class="keywordflow">if</font>(plane* <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(b1.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, b1.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, b1.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>)<=0) <font class="keywordflow">continue</font>;
00415 <font class="keywordflow">if</font>(plane* <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(b1.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, b1.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, b2.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>)<=0) <font class="keywordflow">continue</font>;
00416 <font class="keywordflow">if</font>(plane* <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(b1.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, b2.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, b1.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>)<=0) <font class="keywordflow">continue</font>;
00417 <font class="keywordflow">if</font>(plane* <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(b1.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, b2.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, b2.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>)<=0) <font class="keywordflow">continue</font>;
00418 <font class="keywordflow">if</font>(plane* <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(b2.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, b1.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, b1.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>)<=0) <font class="keywordflow">continue</font>;
00419 <font class="keywordflow">if</font>(plane* <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(b2.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, b1.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, b2.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>)<=0) <font class="keywordflow">continue</font>;
00420 <font class="keywordflow">if</font>(plane* <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(b2.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, b2.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, b1.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>)<=0) <font class="keywordflow">continue</font>;
00421 <font class="keywordflow">if</font>(plane* <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(b2.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, b2.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, b2.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>)<=0) <font class="keywordflow">continue</font>;
00422 <font class="comment">// If ALL box vertices are OUT of this plane, then the box is OUT of the entire volume.</font>
00423 <font class="keywordflow">return</font> <font class="keyword">false</font>;
00424 }
00425 <font class="comment">// TODO. This is a simple box detection. The box is not really clipped and sometimes, the box will said</font>
00426 <font class="comment">// it intersect but it is not the case... Here, We should test the real box volume, against BVolume.</font>
00427 <font class="comment">// But this is more expensive...</font>
00428 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00429 }
00430
00431 <font class="comment">// ============================================================================================</font>
<a name="l00432"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a8">00432</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a8">addElement</a>(CNode *newNode)
00433 {
00434 <a class="code" href="debug_8h.html#a6">nlassert</a>(newNode->QuadNexts[<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m6">ListIndex</a>]==NULL);
00435 newNode->QuadPrevs[<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m6">ListIndex</a>]= &RootNode;
00436 newNode->QuadNexts[<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m6">ListIndex</a>]= RootNode.QuadNexts[<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m6">ListIndex</a>];
00437 <font class="keywordflow">if</font>(RootNode.QuadNexts[<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m6">ListIndex</a>])
00438 RootNode.QuadNexts[<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m6">ListIndex</a>]->QuadPrevs[<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m6">ListIndex</a>]= newNode;
00439 RootNode.QuadNexts[<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m6">ListIndex</a>]= newNode;
00440 }
00441 <font class="comment">// ============================================================================================</font>
00442 <font class="comment">// Insertion of a node in this quad node, or his sons...</font>
<a name="l00443"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a9">00443</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a9">insert</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &boxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &boxmax, uint wantdepth, CNode *newNode)
00444 {
00445 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m0">Level</a>==0)
00446 {
00447 <font class="comment">// Tous les elements qui sortent du quadtree sont forc�ment dans le noeud root.</font>
00448 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a4">includeBoxQuad</a>(boxmin, boxmax))
00449 {
00450 <font class="comment">// Il faut agrandir la BBox en Y du quadnode.</font>
00451 <font class="keywordflow">if</font>(BBoxNeverRescale)
00452 {
00453 BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>= boxmin.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>;
00454 BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>= boxmax.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>;
00455 <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m3">BBoxNeverRescale</a>= <font class="keyword">false</font>;
00456 }
00457 <font class="keywordflow">else</font>
00458 {
00459 BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>= <a class="code" href="bit__set_8cpp.html#a0">std::min</a>(boxmin.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>);
00460 BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>= std::max(boxmax.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>);
00461 }
00462 <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a8">addElement</a>(newNode);
00463 <font class="keywordflow">return</font>;
00464 }
00465 }
00466
00467 <font class="comment">// Si au moins une partie de l'element n'est pas dans le noeud de ce quad, exit.</font>
00468 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a5">intersectBoxQuad</a>(boxmin, boxmax))
00469 <font class="keywordflow">return</font>;
00470
00471 <font class="comment">// Que l'on insere ici ou dans les fils, il faut agrandir la BBox en Y du quadnode.</font>
00472 <font class="keywordflow">if</font>(BBoxNeverRescale)
00473 {
00474 BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>= boxmin.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>;
00475 BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>= boxmax.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>;
00476 <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m3">BBoxNeverRescale</a>= <font class="keyword">false</font>;
00477 }
00478 <font class="keywordflow">else</font>
00479 {
00480 BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>= <a class="code" href="bit__set_8cpp.html#a0">std::min</a>(boxmin.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, BBoxMin.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>);
00481 BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>= std::max(boxmax.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, BBoxMax.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>);
00482 }
00483
00484 <font class="comment">// Si on est au bon, niveau, on a plus qu'� l'ins�rer dans ce node.</font>
00485 <font class="keywordflow">if</font>(wantdepth==<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m0">Level</a>)
00486 {
00487 <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a8">addElement</a>(newNode);
00488 }
00489 <font class="keywordflow">else</font>
00490 {
00491 <font class="comment">// Si le quad est une feuille, il faut le splitter (car on est pas encore arriv� au bon niveau).</font>
00492 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a1">isLeaf</a>())
00493 <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a3">split</a>();
00494
00495 <font class="comment">// Et on cherche � mettre l'�l�ment dans un de ces noeuds.</font>
00496 Sons[0]->insert(boxmin, boxmax, wantdepth, newNode);
00497 Sons[1]->insert(boxmin, boxmax, wantdepth, newNode);
00498 Sons[2]->insert(boxmin, boxmax, wantdepth, newNode);
00499 Sons[3]->insert(boxmin, boxmax, wantdepth, newNode);
00500 }
00501
00502 }
00503
00504
00505 <font class="comment">// ============================================================================================</font>
00506 <font class="comment">// Selection.</font>
<a name="l00507"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a10">00507</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a10">selectLocalNodes</a>(CBaseNode &selroot)
00508 {
00509 CBaseNode *p= RootNode.QuadNexts[<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m6">ListIndex</a>];
00510 <font class="keywordflow">while</font>(p)
00511 {
00512 <font class="keywordflow">if</font>(!p->isSelected())
00513 {
00514 p->Prev= &selroot;
00515 p->Next= selroot.Next;
00516 <font class="keywordflow">if</font>(selroot.Next)
00517 selroot.Next->Prev= p;
00518 selroot.Next= p;
00519 }
00520 p=p->QuadNexts[<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m6">ListIndex</a>];
00521 }
00522 }
00523 <font class="comment">// ============================================================================================</font>
<a name="l00524"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a11">00524</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a11">selectAll</a>(CBaseNode &selroot)
00525 {
00526 <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a10">selectLocalNodes</a>(selroot);
00527 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a1">isLeaf</a>())
00528 {
00529 Sons[0]->selectAll(selroot);
00530 Sons[1]->selectAll(selroot);
00531 Sons[2]->selectAll(selroot);
00532 Sons[3]->selectAll(selroot);
00533 }
00534 }
00535 <font class="comment">// ============================================================================================</font>
<a name="l00536"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a12">00536</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a12">select</a>(CBaseNode &selroot, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmax)
00537 {
00538 <font class="comment">// TODO:</font>
00539 <font class="comment">// ya un bug avec le level0: en effet la bbox n'a pas �t� agrandie pour contenir les elements.</font>
00540 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a6">intersectBox</a>(bboxmin, bboxmax))
00541 <font class="keywordflow">return</font>;
00542 <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a10">selectLocalNodes</a>(selroot);
00543 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a1">isLeaf</a>())
00544 {
00545 Sons[0]->select(selroot, bboxmin, bboxmax);
00546 Sons[1]->select(selroot, bboxmin, bboxmax);
00547 Sons[2]->select(selroot, bboxmin, bboxmax);
00548 Sons[3]->select(selroot, bboxmin, bboxmax);
00549 }
00550 }
00551 <font class="comment">// ============================================================================================</font>
<a name="l00552"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a13">00552</a> <font class="keywordtype">void</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a12">select</a>(CBaseNode &selroot, std::vector<NLMISC::CPlane> &BVolume)
00553 {
00554 <font class="comment">// TODO:</font>
00555 <font class="comment">// ya un bug avec le level0: en effet la bbox n'a pas �t� agrandie pour contenir les elements.</font>
00556 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a6">intersectBox</a>(BVolume))
00557 <font class="keywordflow">return</font>;
00558 <a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a10">selectLocalNodes</a>(selroot);
00559 <font class="keywordflow">if</font>(!<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a1">isLeaf</a>())
00560 {
00561 Sons[0]->select(selroot, BVolume);
00562 Sons[1]->select(selroot, BVolume);
00563 Sons[2]->select(selroot, BVolume);
00564 Sons[3]->select(selroot, BVolume);
00565 }
00566 }
00567 };
00568
00569
00570
00571 <font class="comment">// =================</font>
00572 <font class="comment">// =================</font>
00573 <font class="comment">// Attributes/Methods/iterators..</font>
00574 <font class="comment">// =================</font>
00575 <font class="comment">// =================</font>
00576 <font class="keyword">private</font>:<font class="comment">// Attributes.</font>
<a name="l00577"></a><a class="code" href="classNL3D_1_1CQuadTree.html#o0">00577</a> CQuadNode <a class="code" href="classNL3D_1_1CQuadTree.html#o0">_QuadRoot</a>;
<a name="l00578"></a><a class="code" href="classNL3D_1_1CQuadTree.html#o1">00578</a> CBaseNode <a class="code" href="classNL3D_1_1CQuadTree.html#o1">_Selection</a>;
<a name="l00579"></a><a class="code" href="classNL3D_1_1CQuadTree.html#o2">00579</a> uint <a class="code" href="classNL3D_1_1CQuadTree.html#o2">_DepthMax</a>;
<a name="l00580"></a><a class="code" href="classNL3D_1_1CQuadTree.html#o3">00580</a> <font class="keywordtype">float</font> <a class="code" href="classNL3D_1_1CQuadTree.html#o3">_Size</a>;
<a name="l00581"></a><a class="code" href="classNL3D_1_1CQuadTree.html#o4">00581</a> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> <a class="code" href="classNL3D_1_1CQuadTree.html#o4">_ChangeBasis</a>;
00582
00583 <font class="keyword">private</font>:<font class="comment">// Methods.</font>
00584
00585
00586
00587 <font class="keyword">public</font>:
00588 <font class="comment">// CLASS const_iterator.</font>
<a name="l00589"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html">00589</a> <font class="keyword">class </font>const_iterator
00590 {
00591 <font class="keyword">public</font>:
<a name="l00592"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">00592</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">const_iterator</a>() {<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a>=NULL;}
<a name="l00593"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a1">00593</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">const_iterator</a>(CNode *p) : <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a>(p) {}
<a name="l00594"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a2">00594</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">const_iterator</a>(<font class="keyword">const</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#l1">CIterator</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>) : <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>.<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a>) {}
00595
<a name="l00596"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a3">00596</a> <font class="keyword">const</font> T& <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a3">operator*</a>()<font class="keyword"> const</font>
00597 <font class="keyword"> </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a>->Value; }
00598 <font class="comment">// Doesn't work...</font>
00599 <font class="comment">/*const T* operator->() const</font>
00600 <font class="comment"> {return (&**this); }*/</font>
<a name="l00601"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a4">00601</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">const_iterator</a>& <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a4">operator++</a>()
00602 {<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a> = (CNode*)(<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a>->Next); <font class="keywordflow">return</font> (*this); }
<a name="l00603"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a5">00603</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">const_iterator</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a4">operator++</a>(<font class="keywordtype">int</font>)
00604 {<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">const_iterator</a> tmp = *<font class="keyword">this</font>; ++*<font class="keyword">this</font>; <font class="keywordflow">return</font> (tmp); }
<a name="l00605"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a6">00605</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">const_iterator</a>& <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a6">operator--</a>()
00606 {<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a> = (CNode*)(<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a>->Prev); <font class="keywordflow">return</font> (*this); }
<a name="l00607"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a7">00607</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">const_iterator</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a6">operator--</a>(<font class="keywordtype">int</font>)
00608 {<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">const_iterator</a> tmp = *<font class="keyword">this</font>; --*<font class="keyword">this</font>; <font class="keywordflow">return</font> (tmp); }
<a name="l00609"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a8">00609</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a8">operator==</a>(<font class="keyword">const</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">const_iterator</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)<font class="keyword"> const</font>
00610 <font class="keyword"> </font>{<font class="keywordflow">return</font> (<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a> == x._Ptr); }
<a name="l00611"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a9">00611</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a9">operator!=</a>(<font class="keyword">const</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">const_iterator</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)<font class="keyword"> const</font>
00612 <font class="keyword"> </font>{<font class="keywordflow">return</font> (!(*<font class="keyword">this</font> == x)); }
00613 <font class="keyword">protected</font>:
<a name="l00614"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">00614</a> CNode *<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a>;
<a name="l00615"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#l0">00615</a> <font class="keyword">friend</font> <font class="keyword">class </font>CQuadTree<T>;
<a name="l00616"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#l1">00616</a> <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#l1">CIterator</a>;
00617 };
00618
00619 <font class="comment">// CLASS CIterator</font>
<a name="l00620"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html">00620</a> <font class="keyword">class </font><a class="code" href="classNL3D_1_1CQuadTree.html#l0">CIterator</a> : <font class="keyword">public</font> const_iterator
00621 {
00622 <font class="keyword">public</font>:
<a name="l00623"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a0">00623</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a0">CIterator</a>() {<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a>=NULL;}
<a name="l00624"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a1">00624</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a0">CIterator</a>(CNode *p) : <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">const_iterator</a>(p) {}
<a name="l00625"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a2">00625</a> T& <a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a2">operator*</a>()<font class="keyword"> const</font>
00626 <font class="keyword"> </font>{<font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a>->Value; }
00627 <font class="comment">// Doesn't work...</font>
00628 <font class="comment">/*T* operator->() const</font>
00629 <font class="comment"> {return (&**this); }*/</font>
<a name="l00630"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a3">00630</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a0">CIterator</a>& <a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a3">operator++</a>()
00631 {<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a> = (CNode*)(<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a>->Next); <font class="keywordflow">return</font> (*this); }
<a name="l00632"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a4">00632</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a0">CIterator</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a3">operator++</a>(<font class="keywordtype">int</font>)
00633 {<a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a0">CIterator</a> tmp = *<font class="keyword">this</font>; ++*<font class="keyword">this</font>; <font class="keywordflow">return</font> (tmp); }
<a name="l00634"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a5">00634</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a0">CIterator</a>& <a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a5">operator--</a>()
00635 {<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a> = (CNode*)(<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a>->Prev); <font class="keywordflow">return</font> (*this); }
<a name="l00636"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a6">00636</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a0">CIterator</a> <a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a5">operator--</a>(<font class="keywordtype">int</font>)
00637 {<a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a0">CIterator</a> tmp = *<font class="keyword">this</font>; --*<font class="keyword">this</font>; <font class="keywordflow">return</font> (tmp); }
<a name="l00638"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a7">00638</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a7">operator==</a>(<font class="keyword">const</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">const_iterator</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)<font class="keyword"> const</font>
00639 <font class="keyword"> </font>{<font class="keywordflow">return</font> (<a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#n0">_Ptr</a> == x._Ptr); }
<a name="l00640"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a8">00640</a> <font class="keywordtype">bool</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#a8">operator!=</a>(<font class="keyword">const</font> <a class="code" href="classNL3D_1_1CQuadTree_1_1const__iterator.html#a0">const_iterator</a>& <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)<font class="keyword"> const</font>
00641 <font class="keyword"> </font>{<font class="keywordflow">return</font> (!(*<font class="keyword">this</font> == x)); }
00642 <font class="keyword">protected</font>:
<a name="l00643"></a><a class="code" href="classNL3D_1_1CQuadTree_1_1CIterator.html#l0">00643</a> <font class="keyword">friend</font> <font class="keyword">class </font>CQuadTree<T>;
00644 };
00645
00646 };
00647
00648
00649
00650 <font class="comment">// ============================================================================================</font>
00651 <font class="comment">// ============================================================================================</font>
00652 <font class="comment">// Template CQuadTree implementation. Construction/Destruction.</font>
00653 <font class="comment">// ============================================================================================</font>
00654 <font class="comment">// ============================================================================================</font>
00655
00656
00657 <font class="comment">// ============================================================================================</font>
<a name="l00658"></a><a class="code" href="classNL3D_1_1CQuadTree.html#a0">00658</a> <font class="keyword">template</font><<font class="keyword">class</font> T> CQuadTree<T>::CQuadTree()
00659 {
00660 <a class="code" href="classNL3D_1_1CQuadTree.html#o1">_Selection</a>.<a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#m1">Next</a>= NULL;
00661 <a class="code" href="classNL3D_1_1CQuadTree.html#o2">_DepthMax</a>= 0;
00662 <a class="code" href="classNL3D_1_1CQuadTree.html#o0">_QuadRoot</a>.<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m1">BBoxMin</a>.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>(-0.5, 0, -0.5);
00663 <a class="code" href="classNL3D_1_1CQuadTree.html#o0">_QuadRoot</a>.<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m2">BBoxMax</a>.<a class="code" href="classNLMISC_1_1CVector.html#z332_0">set</a>( 0.5, 0, 0.5);
00664 <a class="code" href="classNL3D_1_1CQuadTree.html#o3">_Size</a>=1;
00665
00666 <a class="code" href="classNL3D_1_1CQuadTree.html#o4">_ChangeBasis</a>.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_0">identity</a>();
00667 }
00668 <font class="comment">// ============================================================================================</font>
<a name="l00669"></a><a class="code" href="classNL3D_1_1CQuadTree.html#z0_0">00669</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadTree<T>::changeBase(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a>& base)
00670 {
00671 <a class="code" href="classNL3D_1_1CQuadTree.html#o4">_ChangeBasis</a>=base;
00672 }
00673 <font class="comment">// ============================================================================================</font>
00674 <font class="keyword">template</font><<font class="keyword">class</font> T> CQuadTree<T>::~CQuadTree<T>()
00675 {
00676 clear();
00677 }
00678 <font class="comment">// ============================================================================================</font>
<a name="l00679"></a><a class="code" href="classNL3D_1_1CQuadTree.html#z1_0">00679</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadTree<T>::clear()
00680 {
00681 <a class="code" href="classNL3D_1_1CQuadTree.html#o0">_QuadRoot</a>.<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a2">clear</a>();
00682 <a class="code" href="classNL3D_1_1CQuadTree.html#o1">_Selection</a>.<a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#m1">Next</a>= NULL;
00683 }
00684 <font class="comment">// ============================================================================================</font>
<a name="l00685"></a><a class="code" href="classNL3D_1_1CQuadTree.html#z0_1">00685</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadTree<T>::create(uint DepthMax, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& center, <font class="keywordtype">float</font> size)
00686 {
00687 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> mycenter=<a class="code" href="classNL3D_1_1CQuadTree.html#o4">_ChangeBasis</a>*center;
00688 <a class="code" href="classNL3D_1_1CQuadTree.html#z1_0">clear</a>();
00689 <a class="code" href="classNL3D_1_1CQuadTree.html#o2">_DepthMax</a>= DepthMax;
00690 <a class="code" href="classNL3D_1_1CQuadTree.html#o3">_Size</a>= size;
00691 <a class="code" href="classNL3D_1_1CQuadTree.html#o0">_QuadRoot</a>.<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m1">BBoxMin</a>= mycenter-<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(size/2, 0 , size/2);
00692 <a class="code" href="classNL3D_1_1CQuadTree.html#o0">_QuadRoot</a>.<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#m2">BBoxMax</a>= mycenter+<a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>(size/2, 0 , size/2);
00693 }
00694
00695
00696 <font class="comment">// ============================================================================================</font>
00697 <font class="comment">// ============================================================================================</font>
00698 <font class="comment">// Template CQuadTree implementation. Element Insertion/Deletion.</font>
00699 <font class="comment">// ============================================================================================</font>
00700 <font class="comment">// ============================================================================================</font>
00701
00702
00703 <font class="comment">// ============================================================================================</font>
<a name="l00704"></a><a class="code" href="classNL3D_1_1CQuadTree.html#z1_1">00704</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadTree<T>::eraseAll()
00705 {
00706 <a class="code" href="classNL3D_1_1CQuadTree.html#l0">CIterator</a> it;
00707 std::vector<CIterator> its;
00708
00709 <font class="comment">// First, make a copy of all elements.</font>
00710 <a class="code" href="classNL3D_1_1CQuadTree.html#z2_1">selectAll</a>();
00711 <font class="keywordflow">for</font>(it= <a class="code" href="classNL3D_1_1CQuadTree.html#z2_6">begin</a>();it!=<a class="code" href="classNL3D_1_1CQuadTree.html#z2_7">end</a>();it++)
00712 {
00713 its.push_back(it);
00714 }
00715
00716 <font class="comment">// Then erase them. Must do it OUTSIDE the select loop.</font>
00717 <font class="keywordflow">for</font>(sint i=0;i<(sint)its.size();i++)
00718 {
00719 <a class="code" href="classNL3D_1_1CQuadTree.html#z1_2">erase</a>(its[i]);
00720 }
00721 }
00722 <font class="comment">// ============================================================================================</font>
<a name="l00723"></a><a class="code" href="classNL3D_1_1CQuadTree.html#z1_2">00723</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadTree<T>::erase(CIterator it)
00724 {
00725 CNode *p=it._Ptr;
00726 <font class="keywordflow">if</font>(p)
00727 {
00728 <font class="comment">// Clear links.</font>
00729 p->clear();
00730
00731 <font class="comment">// delete it!!</font>
00732 <font class="keyword">delete</font> p;
00733 }
00734 }
00735 <font class="comment">// ============================================================================================</font>
<a name="l00736"></a><a class="code" href="classNL3D_1_1CQuadTree.html#z1_3">00736</a> <font class="keyword">template</font><<font class="keyword">class</font> T> CQuadTree<T>::CIterator CQuadTree<T>::insert(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmax, <font class="keyword">const</font> T &val)
00737 {
00738 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> myboxmin2=<a class="code" href="classNL3D_1_1CQuadTree.html#o4">_ChangeBasis</a>*bboxmin;
00739 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> myboxmax2=<a class="code" href="classNL3D_1_1CQuadTree.html#o4">_ChangeBasis</a>*bboxmax;
00740 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> myboxmin (std::min (myboxmin2.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, myboxmax2.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>), std::min (myboxmin2.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, myboxmax2.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>), std::min (myboxmin2.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>, myboxmax2.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>));
00741 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> myboxmax (std::max (myboxmin2.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, myboxmax2.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>), std::max (myboxmin2.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, myboxmax2.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>), std::max (myboxmin2.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>, myboxmax2.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>));
00742
00743 CNode *newNode=<font class="keyword">new</font> CNode(val);
00744
00745 <a class="code" href="debug_8h.html#a6">nlassert</a>(myboxmax.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>>=myboxmin.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>);
00746 <a class="code" href="debug_8h.html#a6">nlassert</a>(myboxmax.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>>=myboxmin.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>);
00747 <a class="code" href="debug_8h.html#a6">nlassert</a>(myboxmax.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>>=myboxmin.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>);
00748
00749 <font class="keywordtype">float</font> boxsize= std::max(myboxmax.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>-myboxmin.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, myboxmax.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>-myboxmin.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a> );
00750 <font class="comment">// Prevent float precision problems. Increase bbox size a little.</font>
00751 boxsize*=1.01f;
00752 <font class="comment">// We must find the level quad which is just bigger.</font>
00753 <font class="keywordtype">float</font> wantsize=<a class="code" href="classNL3D_1_1CQuadTree.html#o3">_Size</a>;
00754 uint wantdepth=0;
00755 <font class="keywordflow">while</font>(boxsize<wantsize/2 && wantdepth<<a class="code" href="classNL3D_1_1CQuadTree.html#o2">_DepthMax</a>)
00756 {
00757 wantsize/=2;
00758 wantdepth++;
00759 }
00760
00761 <a class="code" href="classNL3D_1_1CQuadTree.html#o0">_QuadRoot</a>.<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a9">insert</a>(myboxmin, myboxmax, wantdepth, newNode);
00762
00763 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CQuadTree.html#l0">CIterator</a>(newNode);
00764 }
00765
00766
00767 <font class="comment">// ============================================================================================</font>
00768 <font class="comment">// ============================================================================================</font>
00769 <font class="comment">// Template CQuadTree implementation. Quad Selection, element iteration.</font>
00770 <font class="comment">// ============================================================================================</font>
00771 <font class="comment">// ============================================================================================</font>
00772
00773
00774 <font class="comment">// ============================================================================================</font>
<a name="l00775"></a><a class="code" href="classNL3D_1_1CQuadTree.html#z2_0">00775</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadTree<T>::clearSelection()
00776 {
00777 CBaseNode *p;
00778 <font class="keywordflow">while</font>(p=<a class="code" href="classNL3D_1_1CQuadTree.html#o1">_Selection</a>.<a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#m1">Next</a>)
00779 {
00780 <font class="comment">// On retire ce noeud de la selection. Ce qui va modifier implicitement _Selection.Next.</font>
00781 <font class="keywordflow">if</font>(p->Prev) p->Prev->Next= p->Next;
00782 <font class="keywordflow">if</font>(p->Next) p->Next->Prev= p->Prev;
00783 p->Prev=p->Next=NULL;
00784 }
00785 }
00786 <font class="comment">// ============================================================================================</font>
<a name="l00787"></a><a class="code" href="classNL3D_1_1CQuadTree.html#z2_1">00787</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadTree<T>::selectAll()
00788 {
00789 <a class="code" href="classNL3D_1_1CQuadTree.html#z2_0">clearSelection</a>();
00790 <a class="code" href="classNL3D_1_1CQuadTree.html#o0">_QuadRoot</a>.<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a11">selectAll</a>(<a class="code" href="classNL3D_1_1CQuadTree.html#o1">_Selection</a>);
00791 }
00792 <font class="comment">// ============================================================================================</font>
<a name="l00793"></a><a class="code" href="classNL3D_1_1CQuadTree.html#z2_2">00793</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadTree<T>::select(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &bboxmax)
00794 {
00795 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> myboxmin2=<a class="code" href="classNL3D_1_1CQuadTree.html#o4">_ChangeBasis</a>*bboxmin;
00796 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> myboxmax2=<a class="code" href="classNL3D_1_1CQuadTree.html#o4">_ChangeBasis</a>*bboxmax;
00797 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> bboxminCopy (std::min (myboxmin2.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, myboxmax2.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>), std::min (myboxmin2.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, myboxmax2.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>), std::min (myboxmin2.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>, myboxmax2.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>));
00798 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> bboxmaxCopy (std::max (myboxmin2.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>, myboxmax2.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>), std::max (myboxmin2.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>, myboxmax2.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>), std::max (myboxmin2.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>, myboxmax2.<a class="code" href="classNLMISC_1_1CVector.html#m2">z</a>));
00799
00800 <a class="code" href="classNL3D_1_1CQuadTree.html#z2_0">clearSelection</a>();
00801 <a class="code" href="classNL3D_1_1CQuadTree.html#o0">_QuadRoot</a>.<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a12">select</a>(<a class="code" href="classNL3D_1_1CQuadTree.html#o1">_Selection</a>, bboxminCopy, bboxmaxCopy);
00802 }
00803 <font class="comment">// ============================================================================================</font>
<a name="l00804"></a><a class="code" href="classNL3D_1_1CQuadTree.html#z2_3">00804</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadTree<T>::select(<font class="keyword">const</font> std::vector<NLMISC::CPlane> &BVolume)
00805 {
00806 std::vector<NLMISC::CPlane> BVolumeCopy;
00807 BVolumeCopy.resize (BVolume.size());
00808 <font class="keywordflow">for</font> (<font class="keywordtype">int</font> i=0; i<(int)BVolumeCopy.size(); i++)
00809 {
00810 BVolumeCopy[i]=BVolume[i]*((_ChangeBasis).inverted());
00811 }
00812
00813 <a class="code" href="classNL3D_1_1CQuadTree.html#z2_0">clearSelection</a>();
00814 <a class="code" href="classNL3D_1_1CQuadTree.html#o0">_QuadRoot</a>.<a class="code" href="classNL3D_1_1CQuadTree_1_1CQuadNode.html#a12">select</a>(<a class="code" href="classNL3D_1_1CQuadTree.html#o1">_Selection</a>, BVolumeCopy);
00815 }
00816 <font class="comment">// ============================================================================================</font>
<a name="l00817"></a><a class="code" href="classNL3D_1_1CQuadTree.html#z2_4">00817</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadTree<T>::selectRay(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& source, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& dir)
00818 {
00819 <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> mat;
00820 mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_0">identity</a> ();
00821
00822 <font class="comment">// Set a wrong matrix</font>
00823 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> vTmp=dir^((fabs(vTmp*CVector(1,0,0))>0.f)?CVector(1,0,0):CVector(0,1,0));
00824 mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_1">setRot</a> (dir, vTmp, dir^vTmp);
00825
00826 <font class="comment">// Normalize it Yoyo!</font>
00827 mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z293_8">normalize</a> (<a class="code" href="classNLMISC_1_1CMatrix.html#s6s0">NLMISC::CMatrix::XYZ</a>);
00828
00829 <font class="comment">// Get the planes..</font>
00830 std::vector<NLMISC::CPlane> BVolume;
00831 BVolume.reserve (4);
00832
00833 <font class="comment">// Setup the planes</font>
00834 <a class="code" href="classNLMISC_1_1CPlane.html">NLMISC::CPlane</a> plane;
00835 plane.<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a> (mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_8">getJ</a>(), source);
00836 BVolume.push_back (plane);
00837 plane.<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a> (mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_9">getK</a>(), source);
00838 BVolume.push_back (plane);
00839 plane.<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a> (-mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_8">getJ</a>(), source);
00840 BVolume.push_back (plane);
00841 plane.<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a> (-mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_9">getK</a>(), source);
00842 BVolume.push_back (plane);
00843
00844 <font class="comment">// Select the nodes</font>
00845 <a class="code" href="classNL3D_1_1CQuadTree.html#z2_2">select</a> (BVolume);
00846 }
00847 <font class="comment">// ============================================================================================</font>
<a name="l00848"></a><a class="code" href="classNL3D_1_1CQuadTree.html#z2_5">00848</a> <font class="keyword">template</font><<font class="keyword">class</font> T> <font class="keywordtype">void</font> CQuadTree<T>::selectSegment(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& source, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>& dest)
00849 {
00850 <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a> mat;
00851 mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_0">identity</a> ();
00852
00853 <font class="comment">// Set a wrong matrix</font>
00854 CVector dir=dest-source;
00855 <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> vTmp=dir^((fabs(vTmp*CVector(1,0,0))>0.f)?CVector(1,0,0):CVector(0,1,0));
00856 mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_1">setRot</a> (dir, vTmp, dir^vTmp);
00857
00858 <font class="comment">// Normalize it Yoyo!</font>
00859 mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z293_8">normalize</a> (<a class="code" href="classNLMISC_1_1CMatrix.html#s6s0">NLMISC::CMatrix::XYZ</a>);
00860
00861 <font class="comment">// Get the planes..</font>
00862 std::vector<NLMISC::CPlane> BVolume;
00863 BVolume.reserve (4);
00864
00865 <font class="comment">// Setup the planes</font>
00866 <a class="code" href="classNLMISC_1_1CPlane.html">NLMISC::CPlane</a> plane;
00867 plane.<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a> (mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_8">getJ</a>(), source);
00868 BVolume.push_back (plane);
00869 plane.<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a> (mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_9">getK</a>(), source);
00870 BVolume.push_back (plane);
00871 plane.<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a> (-mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_8">getJ</a>(), source);
00872 BVolume.push_back (plane);
00873 plane.<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a> (-mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_9">getK</a>(), source);
00874 BVolume.push_back (plane);
00875 plane.<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a> (mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_7">getI</a>(), dest);
00876 BVolume.push_back (plane);
00877 plane.<a class="code" href="classNLMISC_1_1CPlane.html#z305_0">make</a> (-mat.<a class="code" href="classNLMISC_1_1CMatrix.html#z291_7">getI</a>(), source);
00878 BVolume.push_back (plane);
00879
00880 <font class="comment">// Select the nodes</font>
00881 <a class="code" href="classNL3D_1_1CQuadTree.html#z2_2">select</a> (BVolume);
00882 }
00883 <font class="comment">// ============================================================================================</font>
<a name="l00884"></a><a class="code" href="classNL3D_1_1CQuadTree.html#z2_6">00884</a> <font class="keyword">template</font><<font class="keyword">class</font> T> CQuadTree<T>::CIterator CQuadTree<T>::begin()
00885 {
00886 <font class="keywordflow">return</font> (CNode*)(<a class="code" href="classNL3D_1_1CQuadTree.html#o1">_Selection</a>.<a class="code" href="classNL3D_1_1CQuadTree_1_1CBaseNode.html#m1">Next</a>);
00887 }
00888 <font class="comment">// ============================================================================================</font>
<a name="l00889"></a><a class="code" href="classNL3D_1_1CQuadTree.html#z2_7">00889</a> <font class="keyword">template</font><<font class="keyword">class</font> T> CQuadTree<T>::CIterator CQuadTree<T>::end()
00890 {
00891 <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CQuadTree.html#l0">CIterator</a>(NULL);
00892 }
00893
00894
00895 }
00896
00897 <font class="preprocessor">#endif</font>
00898 <font class="preprocessor"></font>
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