ContextFree.js

// The above image is created from the following code (reload the page to see it refresh).
// Everything is done in Javascript, right in the browser! Works in Firefox 3, Safari Beta, and Opera 9.5.
// ContextFree.js was written by Aza.

startshape start
  
  rule start { EDERA { s .006 y 1.2 x -.5 } }

rule EDERA{
      CIGLIO {x 0}		CIRCLE { x 0 s 5 hue 200 sat 0.5}
      CIGLIO {x 5}		CIRCLE { x 5 s 5 hue 200 sat 0.5}
      CIGLIO {x 10}		CIRCLE { x 10 s 5 hue 200 sat 0.5}
      CIGLIO {x 15}		CIRCLE { x 15 s 5 hue 200 sat 0.5}
      CIGLIO {x 20}		CIRCLE { x 20 s 5 hue 200 sat 0.5}
      CIGLIO {x 25}		CIRCLE { x 25 s 5 hue 200 sat 0.5}
      CIGLIO {x 30}		CIRCLE { x 30 s 5 hue 200 sat 0.5}
      CIGLIO {x 35}		CIRCLE { x 35 s 5 hue 200 sat 0.5}
      CIGLIO {x 40}		CIRCLE { x 40 s 5 hue 200 sat 0.5}
      CIGLIO {x 45}		CIRCLE { x 45 s 5 hue 200 sat 0.5}
  }

rule CIGLIO 100 {
      SQUARE	{hue 200 sat 0.5}
      CIGLIO		{y -1 s 0.998 b 0.005}
  }

rule CIGLIO {
      SQUARE	{hue 200 sat 0.5}
      CIRCLE	{hue 200 sat 0.5 alpha -0.4 s 10 y -10 }
      CIGLIO		{y -1 r 1 s 0.998 b 0.005}
  }

rule CIGLIO 0.0005 {
      SQUARE	{hue 200 sat 0.5}
      CIRCLE	{hue 200 sat 0.5 alpha -0.8 s -20 x 20 y -10 }
      CIGLIO		{y -1  s 0.998 b 0.005 }
  }

rule CIGLIO {
      SQUARE	{hue 200 sat 0.5}
      CIRCLE	{hue 200 sat 0.5 alpha -0.4 s 5 y -10 }
      FIORE 		{}
   	FIORE		{ x -1 flip 90}
      CIGLIO		{y -1  s 0.998 b 0.005 }
  }

rule FIORE {
     CIRCLE {hue 200 sat 0.5}
     FIORE {y -1 r 4 s 0.998 b 0.005}
  }

rule FIORE 0.005 {
     CIRCLE {s 5 hue 200 sat 0.5}
     FIORE {y -1 r 4 s 0.998 b 0.005 flip 90}
  }

startshape scale
  background {h 50 sat .5 b -.5}

rule scale{ START{ s .04 y -1 }}

rule START {
  BRANCH { hue 20 sat 0.8 b 0.8 }
  BRANCH { flip 90 hue 20 sat 0.8 b 0.8 }
  }

rule BRANCH {
  SQUARE { }
  BRANCH { y 1 s 0.99 r 0.6 }
  }

rule BRANCH 0.03 {
  BRANCH { flip 90 }
  }

rule BRANCH 0.01 {
  BRANCH { r 15 s 0.99 }
  BRANCH { r -15 s 0.99 }
  }

rule BRANCH 0.01 {
  FULL_FLOWER { s 0.5 }
  }

rule FULL_FLOWER {
  FLOWER { hue 10 sat 0.8 b 0.8}
  FULL_FLOWER { s 0.7 r 27.8 hue 5 alpha -0.1}
  }

rule CURVE_I {
  SHAPE { }
  CURVE_I { y 1 r 1.5 s 0.99 alpha -0.01}
  }

rule CURVE_D {
  SHAPE { }
  CURVE_D { y 1 r -1.5 s 0.99 alpha -0.01}
  }

rule FLOWER {
  CURVE_I { }
  CURVE_I { r 72 }
  CURVE_I { r 144}
  CURVE_I { r -72 }
  CURVE_I { r -144 }

CURVE_D { }
  CURVE_D { r 72 }
  CURVE_D { r 144 }
  CURVE_D { r -72}
  CURVE_D { r -144}
  }

rule SHAPE { SQUARE { } }
  rule SHAPE 0.01 {
  SQUARE { }
  CIRCLE { s 2 6 alpha -0.2 }
  }

rule SHAPE 0.01 {
  SQUARE { }
  CURVE_I { s 0.5 }
  }