//ExtraCredit.bvr\n\n//parametric surface\nplane1=parametricSurface\nplane1.setMinMax=s,0,3\nplane1.setMinMax=t,0,3\nplane1.setEquation=x,(s)\nplane1.setEquation=y,(t)\nplane1.setEquation=z,(3)\nplane1.setSegmentCount=30\nplane1.color=green\nplane1.spawn\n\n//parametric surface\nplane2=parametricSurface\nplane2.setMinMax=s,0,3\nplane2.setMinMax=t,0,3\nplane2.setEquation=x,(s)\nplane2.setEquation=y,(3)\nplane2.setEquation=z,(t)\nplane2.setSegmentCount=30\nplane2.color=red\nplane2.spawn\n\n//parametric surface\nplane3=parametricSurface\nplane3.setMinMax=s,0,3\nplane3.setMinMax=t,0,3\nplane3.setEquation=x,(3)\nplane3.setEquation=y,(t)\nplane3.setEquation=z,(s)\nplane3.setSegmentCount=30\nplane3.color=blue\nplane3.spawn\n\n//parametric surface\nPlane4=parametricSurface\nPlane4.setMinMax=s,0,3\nPlane4.setMinMax=t,0,3\nPlane4.setEquation=x,(s)\nPlane4.setEquation=y,(t)\nPlane4.setEquation=z,(0)\nPlane4.setSegmentCount=30\nPlane4.color=grey\nPlane4.spawn\n\n//parametric surface\nPlane5=parametricSurface\nPlane5.setMinMax=s,0,3\nPlane5.setMinMax=t,0,3\nPlane5.setEquation=x,(s)\nPlane5.setEquation=y,(0)\nPlane5.setEquation=z,(t)\nPlane5.setSegmentCount=30\nPlane5.color=cyan\nPlane5.spawn\n\n//parametric surface\nPlane6=parametricSurface\nPlane6.setMinMax=s,0,3\nPlane6.setMinMax=t,0,3\nPlane6.setEquation=x,(0)\nPlane6.setEquation=y,(t)\nPlane6.setEquation=z,(s)\nPlane6.setSegmentCount=30\nPlane6.color=black\nPlane6.spawn\n