//Assignment by Zhinan.bvr\n\n\nsphere=parametricSurface\nsphere.setMinMax=s,0,3.4\nsphere.setMinMax=t,0,6.6\nsphere.setEquation=x,(4*cos(t)*sin(s))\nsphere.setEquation=y,(4*sin(t)*sin(s))\nsphere.setEquation=z,(4*cos(s))\nsphere.setSegmentCount=30 \nsphere.color=blue\nsphere.spawn\n\n\nplane=parametricSurface\nplane.setMinMax=t,-6,6\nplane.setMinMax=s,-6,6\nplane.setEquation=x,(3)\nplane.setEquation=y,(.8*t)\nplane.setEquation=z,(.8*s)\nplane.setSegmentCount=30\nplane.color=yellow\nplane.spawn\n\ncircle=parametricCurve\ncircle.setMinMax=t,0,6.6\ncircle.setEquation=x,(3)\ncircle.setEquation=y,(2.7*sin(t))\ncircle.setEquation=z,(2.7*cos(t))\ncircle.setSegmentCount=70\ncircle.setThickness=0.2\ncircle.color=red\ncircle.spawn