//Torus and circles(Yucheng).bvr\n\n//Parametric surface\nt=parametricSurface\nt.setMinMax=t,0,6.5\nt.setMinMax=s,0,6.5\nt.setEquation=x,((2+1*cos(t))*cos(s))\nt.setEquation=y,((2+1*cos(t))*sin(s))\nt.setEquation=z,(sin(t))\nt.setSegmentCount=30 \nt.spawn\n\n//Parametric curve\nhelix1=parametricCurve\nhelix1.setMinMax=t,-12,12\nhelix1.setEquation=x,(0)\nhelix1.setEquation=y,(2+sin(t))\nhelix1.setEquation=z,(cos(t))\nhelix1.setSegmentCount=70\nhelix1.setThickness=0.2\nhelix1.color=blue\nhelix1.spawn\n\n//Parametric curve\nhelix=parametricCurve\nhelix.setMinMax=t,-12,12\nhelix.setEquation=x,(3*cos(t))\nhelix.setEquation=y,(3*sin(t))\nhelix.setEquation=z,(0))\nhelix.setSegmentCount=70\nhelix.setThickness=0.2\nhelix.color=red\nhelix.spawn\n