38 lines
770 B
Factor
38 lines
770 B
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.snowflake
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: spike ( -- )
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iterate? [
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{ { 1 [ square
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[ 0.95 y 0.97 s spike ] do ] }
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{ 0.03 [ square
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[ 60 r spike ] do
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[ -60 r spike ] do
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[ 0.95 y 0.97 s spike ] do ] } }
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call-random-weighted
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] when ;
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: snowflake ( -- )
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spike
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[ 60 r spike ] do
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[ 120 r spike ] do
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[ 180 r spike ] do
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[ 240 r spike ] do
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[ 300 r spike ] do ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: init ( -- )
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[ ] >background
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{ -40 80 -40 80 } >viewport
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0.1 >threshold
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[ snowflake ] >start-shape ;
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: run ( -- ) [ init ] cfdg-window. ;
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MAIN: run
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