KTurtle/Examples/da: Difference between revisions

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==Koch kurve==
==Koch kurve==


This is a fractal curve. You can find more information about this at [http://en.wikipedia.org/wiki/Koch_snowflake Wikipedia].
Dette er en fraktal kurve. Du kan finde mere information om den på [http://en.wikipedia.org/wiki/Koch_snowflake Wikipedia].


Logo script:
Logo script:

Revision as of 19:26, 3 September 2012

Other languages:

Home » Applications » Education » KTurtle » da

Tip
Scriptformattering er resultatet af en "HTML-eksport" af KTurtle.



Koch kurve

Dette er en fraktal kurve. Du kan finde mere information om den på Wikipedia.

Logo script:

# Koch curve

reset
canvassize 850550
go 125350
turnright 90

learn koch $x$t {
  if $t>0  {
    $t=$t-1
    $x=$x/3
    koch $x$t
    turnleft 60
    koch $x$t
    turnright 120
    koch $x$t
    turnleft 60
    koch $x$t
  } else {
  forward 3*$x 
  }
}
koch 2006

Result:

Sierpinski Triangle

Another famous fractal is the Sierpinski triangle.

Logo script:

# Sierpinski triangle

learn sierp $l {
  if $l > 2 {
    repeat 3 {
      sierp $l/2
      forward $l
      turnleft 120
    }
  }
}

reset
canvassize 600533
go 50483
turnright 90
sierp 500

Result:

Heighway Dragon

Another famous fractal is the Heighway Dragon.

Logo script:

# Heighway dragon

reset
canvassize 500500
go 320400
turnright 90
$size = 7

learn X $depth {
  if $depth>0 {
    X $depth-1
    turnleft 90
    Y $depth-1
    forward $size
  }
}

learn Y $depth {
  if $depth>0 {
    forward $size
    X $depth-1
    turnright 90
    Y $depth-1
  }
}

pencolor 0,255,0
forward $size
10
turnleft 90
pencolor 255,0,0
10
forward $size

go 50,450

Result: