#VRML V2.0 utf8
# Lab #1
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# Name:     Phuc Nguyen
# SID:      13547274
# Login:    cs184-dh
# Section:  103
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Group {
	children [
# Define and draw two letters P & N on the center of the original coordinate
		DEF initials Group { 
			children [ 
				DEF LetterP Shape {  # define letter P
					appearance Appearance {
					material Material {diffuseColor 0.0 1.0 0.0 } }
					geometry  IndexedFaceSet {
						coord Coordinate { 
							point [ -4.8 -1.6 0.0 
								-4.1 -1.6 0.0 
								-2.8 0.8 0.0
								-2.0 0.0 0.0
								-1.0 1.8 0.0
								-3.0 1.8 0.0 
								-2.6 1.4 0.0
								-1.8 1.4 0.0
								-2.1 0.9 0.0 
							] # end the list of points for P
						}
						coordIndex [ # connect points CCW
							0, 1, 2, 3, 4, 5, 0
						6, 7, 8, 6] # draw the hole inside the letter
						convex FALSE     
					}
				},  # done with letter P
				
				DEF LetterN Shape {  # define letter N
					appearance Appearance {
					material Material {diffuseColor 0.9 0.5 0.0 } }
					geometry  IndexedFaceSet {
						coord Coordinate { 
							point [ -0.8 -1.6 0.0 
								0.8 -1.6 0.0 
								1.0 -1.2 0.0
								0.4 -0.6 0.0
								0.6 -0.2 0.0
								2.0 -1.6 0.0 
								3.6 1.8 0.0
								2.0 1.8 0.0
								1.85 1.65 0.0 
								2.4 1.2 0.0
								2.2 0.8 0.0
								1.0 1.8 0.0
							]
						}
						coordIndex [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0 ]
						convex FALSE     
					}  # done with letter N
				}     
			] 
		}, # end Def. of the two letters.

# Define the upper line : PN PN PN PN PN PN PN from the original letters
# with the scales given
		DEF Above Group { 
			children [ 
				DEF upperleft Group {  # define three pairs of letters (PN PN PN)
				                       # upperleft conner
					children [
						Transform {
							translation -6.8 3.5 0.0 
							children DEF ScaledInitials Transform {
							        scale 0.2 0.2 1.0 
											children USE initials }
						},
						Transform {
							translation -4.6 3.5 0.0
							children USE ScaledInitials
						},
						Transform 	{
							translation -2.4 3.5 0.0
							children USE ScaledInitials
					} ]
				} , # end upperleft
				
				Transform 	{           # Define the middle pair PN
					translation 0.0 3.5 0.0
					children USE ScaledInitials
				},
				
				Transform 	{          # Define upper right three pairs (PN PN PN)
				                       # by translating the upperleft group
					translation 9.2 0.0 0.0
					children USE upperleft
				}
			] 
		},   # end upper line

 # Define & draw the bottom line by rotating the upper line by 180 degrees
 # about Z axis
 Transform {
		   rotation  0.0 0.0 1.0 3.142  
			 children USE Above				
				}

# Define the left column by rotating the upper left group about the Z axis
		DEF LeftColumn Transform {
		  translation -4.6 4.6 0.0  # translate the parent coordinate
 		  rotation 0.0 0.0 1.0 1.571  # rotate CCW 90 degree 
			  #center -5.7 3.6 0.0
			children USE upperleft }		

# Define the right column by rotating the left column 180 degrees CCW.
		Transform {
		  rotation 0.0 0.0 1.0 3.142
			children USE LeftColumn }
			
	]
}

# end text