File:Knightstour5x5 animation.svg

; Created in LibreOffice 4.1.2 with this LibreLogo program
 ; Usage: Put this code into an English language document in LibO Writer,
 ; and click on the Start icon of the View»Toolbars»Logo toolbar.
 
 ; clock positions, change it for a different tour
 steps = [2, 10, 8, 5, 4, 1, 11, 8, 7, 4, 2, 11, 10, 7, 5, 2, 11, 2, 7, 5, 10, 8, 1, 11]
 
 TO arrow 
   PENCOLOR “BLACK” PENSIZE 0.5 FILLCOLOR “BLACK”
   PICTURE PENUP BACK 7
   p = POSITION
   FORWARD 10 RIGHT 20 BACK 12 PENDOWN
   FORWARD 12 LEFT 40 BACK 12 POSITION p FILL
 END
 
 TO tour steps num sq way pens penc fillc
   HOME PENSIZE pens PENCOLOR penc FILLCOLOR fillc
   dir =  {1:[1, 2], 2:[2, 1], 4:[2, -1], 5:[1, -2], 7:[-1, -2], 8:[-2, -1], 10:[-2, 1], 11:[-1, 2]}
   FOR i IN steps[: num] [
       HEADING 0
       IF sq [ SQUARE 30 ]
       IF NOT way [ PENUP ]
       FORWARD [dir[i][0]*30, dir[i][1]*30] ; go to [x, y], where [0, 0] is the turtle position
       PENDOWN ; hide arrow:
       IF NOT way AND REPCOUNT = num – 1 [ HEADING 0 SQUARE 30 ]
   ]
   IF NOT way [ HEADING 0 SQUARE 30 ]
 END
 
 HIDETURTLE PENJOINT “MITER”
 PICTURE “knightstour_animation.svg” [
     tour steps COUNT steps TRUE FALSE 1 “GRAY” “WHITE”
     REPEAT 1 + COUNT steps [
         tour steps REPCOUNT - 1 FALSE FALSE 1 “GRAY” “SILVER”
         tour steps REPCOUNT – 1 FALSE TRUE 2 “BLACK” “WHITE”
         IF REPCOUNT > 1 [ arrow ] [ PENSIZE 8 POINT ]
         SLEEP 500
     ]
 ]