7 figureespace(-10u,-10u,10u,10u);
8 Initialisation(1000,20,45,37.5);
10 draw Projette((k,-xm,0))--Projette((k,xm,0));
11 draw Projette((-xm,k,0))--Projette((xm,k,0));
15 draw Tuben("(r*((q+1)*cos(t)-cos((q+1)*t)),r*((q+1)*sin(t)-sin((q+1)*t)),0.5)","(r*(-(q+1)*sin(t)+(q+1)*sin((q+1)*t)),r*((q+1)*cos(t)-(q+1)*cos((q+1)*t)),0)",0.5,0,102,0.06283);
18 figureespace(-10u,-10u,10u,10u);
19 Initialisation(1000,20,45,37.5);
21 draw Projette((k,-xm,0))--Projette((k,xm,0));
22 draw Projette((-xm,k,0))--Projette((xm,k,0));
27 draw Tuben("(r*((q+1)*cos(t)-cos((q+1)*t)),r*((q+1)*sin(t)-sin((q+1)*t)),0.5)","(r*(-(q+1)*sin(t)+(q+1)*sin((q+1)*t)),r*((q+1)*cos(t)-(q+1)*cos((q+1)*t)),0)",0.5,0,102,0.06283);
30 figureespace(-10u,-10u,10u,10u);
31 Initialisation(1000,20,45,37.5);
33 draw Projette((k,-xm,0))--Projette((k,xm,0));
34 draw Projette((-xm,k,0))--Projette((xm,k,0));
39 draw Tuben("(r*((q+1)*cos(t)-cos((q+1)*t)),r*((q+1)*sin(t)-sin((q+1)*t)),0.5)","(r*(-(q+1)*sin(t)+(q+1)*sin((q+1)*t)),r*((q+1)*cos(t)-(q+1)*cos((q+1)*t)),0)",0.5,0,102,0.06283);