bsptreeD2disp03.h

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00001 #ifndef BSPTREED2DISP03_H
00002 #define BSPTREED2DISP03_H
00003 
00004 #include <sstream>
00005 using namespace std;
00006 
00007 #include <bsptreeD2.h>
00008 #include <gobj.h>
00009 #include <graphmisc.h>
00010 #include <pointsdisplay.h>
00011 #include <treeindexedD2iter.h>
00012 
00013 
00022 template< typename PT, typename PD, typename INDX >
00023 class bsptreeD2disp03 : public gobjContainer
00024 {
00025 public:
00026 
00028   bsptreeD2<PT,PD,INDX> & bsp;
00029 
00031   double radius;
00032   
00034   bsptreeD2disp03
00035   ( 
00036     bsptreeD2<PT,PD,INDX> & bsp_,
00037     doublec radius_=0.05
00038   )
00039     : gobjContainer(true), bsp(bsp_), radius(radius_) {}
00040 
00042   void update();
00043 
00044 };
00045 
00046 //---------------------------------------------------------
00047 //  Implementation
00048 
00049 template< typename PT, typename PD, typename INDX >
00050 void bsptreeD2disp03<PT,PD,INDX>::update()
00051 {
00052   nuke();
00053 
00054   if ( bsp.empty() )
00055     return;
00056   
00057   PT La;
00058   PT Lm;
00059   PT Lb;
00060 
00061   PT Lmid;
00062   vector<string> ptlabels;
00063   vector<PT> ptlist;
00064 
00065   PD t0;
00066   PD t1;
00067 
00068   gobjQuadric * q2 = new gobjQuadric();
00069   q2->radius = radius;
00070   q2->slices=30;
00071   q2->loops=7;
00072 
00073   push(q2);
00074 
00075   push(new gobjglPushAttrib(GL_LIGHTING));
00076   push(new gobjglPushAttrib(GL_CURRENT_BIT));
00077 
00078   for ( treeindexedD2iterinternal<INDX> i1(bsp.tree); 
00079     !i1; ++i1 )
00080   {
00081     halfspaceD2<PT,PD> & h1(bsp.vi[i1()->index]);
00082 
00083     Lm = h1.p1-h1.p0;
00084     La = h1.p0;
00085     Lb = h1.p1;
00086 
00087     //t0 = tmin;
00088     //t1 = tmax;
00089     t0 = bsp.tmin;
00090     t1 = bsp.tmax;
00091 
00092     Lmid = (La+Lb)*0.5;
00093     ptlist.push_back(Lmid);
00094     { 
00095       stringstream ss; 
00096       INDX idx = i1()->index;
00097       ss << idx; 
00098       ptlabels.push_back(ss.str());
00099     }
00100 
00101     uint sz = i1.path.size();
00102     if (sz<=1)
00103     {
00104       if (sz==0)
00105         continue;
00106 
00107       push(new gobjglDisable(GL_LIGHTING));
00108       push(new gobjglBegin(GL_LINES));
00109       push(new gobjglColor3f(0.0,0.0,1.0));
00110       push(new gobjglVertex3d(La+Lm*t0));
00111       push(new gobjglColor3f(1.0,0.0,0.0));
00112       push(new gobjglVertex3d(La+Lm*t1));
00113       push(new gobjglEnd());      
00114 
00115       push(new gobjglEnable(GL_LIGHTING));
00116       push(new gobjglColor3f(0.0,0.0,1.0));
00117       push(new gobjMySphereDraw(La,q2));
00118       push(new gobjglColor3f(1.0,0.0,0.0));
00119       push(new gobjMySphereDraw(Lb,q2));
00120 
00121       continue;
00122     }
00123 
00124     bsp.clip(t0,t1,La,Lm,i1);
00125 
00126     push(new gobjglDisable(GL_LIGHTING));
00127     push(new gobjglBegin(GL_LINES));
00128     push(new gobjglColor3f(0.0,0.0,1.0));
00129     push(new gobjglVertex3d(La+Lm*t0));
00130     push(new gobjglColor3f(1.0,0.0,0.0));
00131     push(new gobjglVertex3d(La+Lm*t1));
00132     push(new gobjglEnd());
00133 
00134     push(new gobjglEnable(GL_LIGHTING));
00135     push(new gobjglColor3f(0.0,0.0,1.0));
00136     push(new gobjMySphereDraw(La,q2));
00137     push(new gobjglColor3f(1.0,0.0,0.0));
00138     push(new gobjMySphereDraw(Lb,q2));
00139   }
00140 
00141   push(new gobjglDisable(GL_LIGHTING));
00142   push(new gobjglColor3f(1.0,1.0,0.0));
00143   pointsdisplay2D< PT > pd( *this, ptlist, ptlabels );
00144 
00145   push(new gobjglPopAttrib());
00146   push(new gobjglPopAttrib());
00147 }
00148 
00149 
00150 #endif
00151 
00152