//surface.bvr\n//parametric surface\nplane=parametricSurface\nplane.setMinMax=s,-5,5\nplane.setMinMax=t,-5,5\nplane.setEquation=x,(3)\nplane.setEquation=y,(s)\nplane.setEquation=z,(t)\nplane.setSegmentCount=20\nplane.color=green\nplane.spawn\n\n//sphere.bvr\n//sphere surface\nsph=parametricSurface\nsph.setMinMax=s,0,6.6\nsph.setMinMax=t,0,6.6\nsph.setEquation=x,(4*cos(t)*sin(s))\nsph.setEquation=y,(4*sin(t)*sin(s))\nsph.setEquation=z,(4*cos(s))\nsph.setSegmentCount=20\nsph.color=blue\nsph.spawn\n\n//circle.bvr\ncir=parametricCurve\ncir.setMinMax=t,0,6.6\ncir.setEquation=x,(3)\ncir.setEquation=y,(2.7*cos(t))\ncir.setEquation=z,(2.7*sin(t))\ncir.setSegmentCount=100\ncir.setThickness=0.2\ncir.color=red\ncir.spawn