109 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Factor
		
	
	
			
		
		
	
	
			109 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Factor
		
	
	
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USING: kernel namespaces math opengl.gl opengl.glu ui ui.gadgets.slate
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       random-weighted cfdg ;
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IN: cfdg.models.lesson
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: shapes ( -- )
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[            square ]   do
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[ 0.3 b      circle ]   do
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[ 0.5 b      triangle ] do
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[ 0.7 b 60 r triangle ] do ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: chapter-1 ( -- )
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[ 2 x 5 y 3 size square ] do
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[ 6 x 5 y 3 size circle ] do
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[ 4 x 2 y 3 size triangle ] do
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[     1 y 3 size shapes ] do ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: foursquare ( -- )
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[ 0 x 0 y 5 3 size* square ] do
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[ 0 x 5 y 2 4 size* square ] do
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[ 5 x 5 y   3 size  square ] do
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[ 5 x 0 y   2 size  square ] do ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: chapter-2 ( -- )
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[ square ] do
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[ 3 x 7 y square ] do
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[ 5 x 7 y 30 r square ] do
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[ 3 x 5 y 0.75 size square ] do
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[ 5 x 5 y 0.5 b square ] do
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[ 7 x 6 y 45 r 0.7 size 0.7 b square ] do
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[ 5 x 1 y 10 r 0.2 size foursquare ] do ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: spiral ( -- )
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iterate? [
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  [ 0.5 size circle ] do
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  [ 0.2 y -3 r 0.995 size spiral ] do
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] when ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: chapter-3 ( -- ) [ 0 x 3 y spiral ] do ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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DEFER: tree
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: branch-left ( -- )
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{ { 1 [ 20 r tree ] }
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  { 1 [ 30 r tree ] }
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  { 1 [ 40 r tree ] }
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  { 1 [ ] } } random-weighted* do ;
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: branch-right ( -- )
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{ { 1 [ -20 r tree ] }
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  { 1 [ -30 r tree ] }
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  { 1 [ -40 r tree ] }
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  { 1 [ ] } } random-weighted* do ;
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: branch ( -- ) branch-left branch-right ;
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: tree ( -- )
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iterate? [
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  { 
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    { 20  [ [ 0.25 size circle ] do
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            [ 0.1 y 0.97 size tree ] do ] }
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    { 1.5 [ branch ] }
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  } random-weighted* do
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] when ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: chapter-4 ( -- )
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[ 1 x 0 y tree ] do
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[ 6 x 0 y tree ] do
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[ 1 x 4 y tree ] do
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[ 6 x 4 y tree ] do ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: toc ( -- )
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[ 0  x   0 y chapter-1 ] do
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[ 10 x   0 y chapter-2 ] do
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[ 0  x -10 y chapter-3 ] do
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[ 10 x -10 y chapter-4 ] do ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: init ( -- )
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  [ ]              >background
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  { -5 25 -15 25 } >viewport
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  0.03             >threshold
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  [ toc ]          >start-shape ;
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: run ( -- ) [ init ] cfdg-window. ;
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MAIN: run
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