• Code appears in cyan.
  
• Comments appear in purple.
• View the world here.
  

#VRML V1.0 ascii

Separator {

#Setup lights, camera, and material as usuall

	DirectionalLight { direction 0 0 -1 }
	DirectionalLight { direction 0 -1 0 }
	PerspectiveCamera { 
		position 0 8 0
		orientation  -1 0 0 1.57
	}
	Material {
		diffuseColor 1 0 0
		ambientColor 0.2 0 0
	}

#Create a small sphere representing the nucleus

	Sphere { radius 0.2 }

#Create a new material for the orbitals, and rotate so
#that y axis lies where x axis used to

	Material {
		diffuseColor 0 0 1
		ambientColor 0 0 .2
	}
	Rotation { rotation 0 0 1 1.57096 }

#Move 1.2 units along the y axis (old x axis), and draw
#a cone, DEFing it for re-use later in the world

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

#Move the same distance in the same direction.  We are
#now at the base of the cone, and we add a sphere to 
#round of the orbital

		USE mytrans
		DEF atom Sphere { radius 1 }
	}

#Now we rotate around the x axis (old y axis) an angle
#of 120 degrees, and repeat, USEing the objects DEFed
#above.  Note how much space and time this saves.

	Separator {
		Rotation { rotation 1 0 0 2.094396 }
		USE mytrans
		USE mycone
		USE mytrans
		USE atom
	}

#This time, we rotate in the opposite direction, and
#and create the last orbital

	Separator {
		Rotation { rotation 1 0 0 -2.094396 }
		USE mytrans
		USE mycone
		USE mytrans
		USE atom
	}
}

#End of File

Previous Topic (Chemistry in VRML)

Back to the VRML Reference

Back to the Main Page