void circle( GLVApp& app ){ static Cir c = CXY(1); DRAWANDTOUCH3(c,1,0,0); static Cir src = CXZ(1).trs(1,0,0); DRAWANDTOUCH3(src,0,1,0); Cir nc = src.re(c); DRAW3(nc,0,0,1); }
virtual void onDraw(){ getMouse(); static Cir cir = CXY(1); Touch(interface,cir); Draw(cir); Dlp dlp(1,0,0,adj); //Touch(interface,dlp); //Euclidean vector of circle at theta Vec v = Ro::vec(cir,phi); Draw( v ); for(int i=0;i<100;++i){ Pnt p = Ro::pnt_cir(cir,(float)i/100 * TWOPI); auto np = Conic::Transform(p, v, amt ); Draw(np,0,1,0); } auto tnp = Conic::Transform( Ro::pnt_cir(cir,adj*TWOPI), v, amt ); //tangent Draw( Ro::dls(tnp,.2),1,0,0); // auto itnp = Conic::I Dlp idlp = Conic::ITransform(dlp, v, amt); Par par = (idlp ^ cir.dual() ).dual(); // Pnt ipnt = Pnt(idlp) + Ori(1); auto tpnt = Ta::at(cir, Pnt(idlp)); Draw( tpnt, 1,1,0); cout << Ro::size(par,false) << endl; Draw(dlp,0,0,1); Draw(idlp); /* Dlp idlp2 = idlp.rot(Biv::xy * adj); */ /* Draw( idlp2,1,0,0 ); */ /* Draw( Conic::Transform(idlp2,v,amt) ); */ for(auto i : Ro::split(par)){ Draw( Conic::Transform(i,v,amt),1,0,0 ); } }
virtual void onDraw(Graphics& gl){ //Model Transform Rot t = Gen::aa( scene().model.rot() ); GL::rotate( t.w() ); //A Circle in the XY plane with radius 1.5 static Cir c = CXY(1.5); DRAW(c); //<-- DRAW is a macro that draws an element interface.touch(c); //A Plane (with normal along y axis, at distance -.5 units from the origin) static Dlp d(0,1,0,-.5); DRAW3(d,1,0,0); //<-- DRAW3 is a macro that draws an element a certain color (red here) interface.touch(d); //Intersection of Circle and Plane (two points) DRAW3( (d ^ c.dual() ).dual(), 0,1,0 ); }
void hopf(al::VsrApp& app){ HopfFiber hf; static int time = 0; time++; double tphase = PI * time/180.0; //GUI Controlled Parameters static int num = 2; static int res = 3; static bool handed, bDrawCir, bDrawPnt,bReset; static double phase,amt,minDistance; //SET UP Gui static bool bSet = 0; if (!bSet) { bSet = 1; app.glv.gui(num,"num",0,1000)(res,"res",0,1000)(phase,"phase",-100,100)(amt,"amt",0,10)(minDistance,"minDistance",0,1000); app.glv.gui(handed)(bDrawCir, "drawcir")(bDrawPnt,"drawpnt")(bReset,"reset"); } vector<Pnt> vp; for (int i = 0; i < num; ++i){ double u = 1.0 * i/num; for (int j = 0; j < res; ++j){ double v = 1.0 * j/res; Cir tc = hf.fiber(-1.0 + 2*u, -.5 + v); Pnt tp = Ro::pnt_cir( tc, tphase * Ro::cur(tc) * phase); if(bDrawPnt)DRAW3(tp,u,v,1-u); if(bDrawCir)DRAW3(tc,v,u,1-u); vp.push_back( Ro::pnt_cir( tc, v * u * PI ) ); } } static Dll dll = DLN(0,1,0); app.interface.touch(dll); DRAW(dll); static Point point = PT(2,0,0); app.interface.touch(point); DRAW3(point,1,0,0); for (int i = 0; i <= 1; ++i){ double t = i/1.0; Dll tdll = dll.sp( Gen::rot(Biv::xy * t*PIOVERTWO) ); Pnt pa = Ro::split( ( tdll ^ Ro::sur(hf.cir) ).dual(), true); Pnt pb = Ro::split( ( tdll ^ Ro::sur(hf.cir) ).dual(), false); DRAW3(pa,1,1,0); DRAW3(pb,1,1,0); Coord::Sph spha = Coord::vec2sph( Vector(pa).unit() ); Coord::Sph sphb = Coord::vec2sph( Vector(pb).unit() ); Cir cca = hf.fiber( spha.theta / PI, spha.phi / PI ); Cir ccb = hf.fiber( sphb.theta / PI, sphb.phi / PI ); Bst bst = Gen::bst( (cca.dual() * PI/3.0 + ccb.dual() * PI/2.0 )* amt ); DRAW3(cca,0,1,0); DRAW3(ccb,0,0,1); vector<Pnt> pp; Pnt tp = point;//.trs(-t,0,0); for (int i = 0; i<1000; ++i){ tp = Ro::loc( tp.sp( bst ) ); pp.push_back(tp); } glColor3f(1,0,0); glBegin(GL_LINE_STRIP); for (int i = 0; i<pp.size(); ++i ){ GL::vertex( pp[i].w() ); } glEnd(); } int tnum = 10; // for (int j = 0; j < tnum; ++j){ // // double t = 1.0 * j/tnum; // // Bst bst2 = hf.mtt( ); // // for (int i = 0; i<pp.size(); ++i ){ // for(int k = 0; k < 10; ++k){ // // } // } // // } }