//TorusCircles.bvr\n\n//Parametric surface\nt=parametricSurface\nt.setMinMax=s,0,6.28\nt.setMinMax=t,0,6.5\nt.setEquation=x,((2+1*cos(s))*cos(t))\nt.setEquation=y,((2+1*cos(s))*sin(t))\nt.setEquation=z,(sin(s))\nt.setSegmentCount=30 \nt.color=green\nt.spawn\n\n//Parametric curve\ncircle1=parametricCurve\ncircle1.setMinMax=t,0,6.28\ncircle1.setEquation=x,(3*cos(t))\ncircle1.setEquation=y,(3*sin(t))\ncircle1.setSegmentCount=200\ncircle1.setThickness=0.15\ncircle1.color=red\ncircle1.spawn\n\n//Parametric curve\ncircle2=parametricCurve\ncircle2.setMinMax=t,0,6.28\ncircle2.setEquation=x,(2+1*cos(t))\ncircle2.setEquation=z,(1*sin(t))\ncircle2.setSegmentCount=200\ncircle2.setThickness=0.15\ncircle2.color=blue\ncircle2.spawn