; Created in LibreOffice 4 with this LibreLogo program.
 ; Usage: Copy it in an English language document in LibO Writer,
 ; and click on the Start icon of the View»Toolbar»Logo toolbar.
 
 PENJOINT “MITER” HIDETURTLE
 FOR vertices IN RANGE 3 101 [
     PICTURE “regular_polygon_%d_vertex_animation.svg” % vertices [ ; from LibO 4.1.2
         HOME CLEARSCREEN PENSIZE 4
         p = POSITION
         FILLCOLOR “BLACK” PENCOLOR “BLACK” PENUP
         REPEAT vertices [
             ang = pi / 180 * 360 / vertices * (REPCOUNT - 1)
             POSITION [p[0] - 250 * SIN (ang), p[1] - 250 * COS ang]
             PENDOWN
         ] CLOSE PENUP
         PENSIZE 2 FILLCOLOR “WHITE”
         SLEEP 5000
         REPEAT vertices [
             ang = pi / 180 * 360 / vertices * (REPCOUNT - 1)
             POSITION [p[0] - 250 * SIN (ang), p[1] - 250 * COS ang]
             PENDOWN CIRCLE 10 PENUP
         ]
     ]
 ]