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#VRML V1.0 ascii

Separator {

#Create Lights, Camera, and Material as before

	DirectionalLight { direction 0 0 -1 }
	DirectionalLight { direction 0 -1 0 }
	PerspectiveCamera { 
		position 8 2 8
		orientation 0 1 0 0.7853
	}
	Material {
		diffuseColor 0 1 0
		ambientColor 0 0.2 0
	}

#Create axes using same method as before

	DEF gaxis Cylinder { 
		height 10 
		radius 0.1
	}
	Separator {
		Rotation { rotation 0 0 1 1.570796 }
		USE gaxis
		Rotation { rotation 1 0 0 1.570796 }
		USE gaxis
	}

#Create a new material

	Material {
		diffuseColor 0 0 1
		ambientColor 0 0 0.2
	}

#Move "down" by 1.2 units, and create a cone.
#Note that the cone and the translation are DEFined
#so they can be used again later on

	DEF mytrans Translation { translation 0 -1.2 0 }
	DEF mycone Cone {
		parts SIDES
		height 2
		bottomRadius 1
	}

#USE mytrans shift down another 1.2 units ( bottom of
#the cone, and here we create a ball to round of the
#pi orbital

	USE mytrans
	DEF atom Sphere { radius 1 }

#This rotation turns the y axis upside-down, so down is
#now up.  Therefore "mytrans" now goes "up" 1.2 units

	Rotation { rotation 1 0 0 3.151692 }
	USE mytrans
	USE mytrans

#At this point, we are back at the "real" (0,0,0) and the
#whole process is repeated upside down, finishing off the
#pi orbital

	USE mytrans
	USE mycone
	USE mytrans
	USE atom
}


#End of File
#Note how the use of DEF and USE saved us from typing out
#the same things many times.  It is a good idea to use DEF
#and USE as often as is posible

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