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To: askanexpert@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
Subject: MIA, Ask an Expert: Concerning dynaturtle
From: askanexpert@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
Date: Wed, 20 May 2009 09:38:22 -0600 (MDT)

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from: Michael Kraus <michael.kraus@xxxxxxxxx>
date: Wed May 20 09:38:22 2009
platform: PC
version: MicroWorlds 2.03

Concerning dynaturtle:
The code in Winlogo 2.0, german version, is as follows:
PR start
   ;* ##### Startdatei ######
   DZ "Ausstieg mit Taste 5!"
   SETZE "sprung.x" 0
   SETZE "sprung.y" 0
   flug
ENDE

PR flug
   tasten
   dynaturtle
   flug
ENDE

PR dynaturtle
   ;* Dynaturtle von Andy diSessa und Dan Watt, Massachusetts 1982
   ;* (c) deutsche Adaption von Michael Kraus, 1992 - 2009
   ;* Kontakt www.michael-kraus.info
   SETZE "sprung.x" :sprung.x + (SIN KURS)
   SETZE "sprung.y" :sprung.y + (COS KURS)
   AUFXY (XKO + :sprung.x) (YKO + :sprung.y)
ENDE

PR tasten
   SETZE "t" TASTE
   ;* Version für Win-Logo 2.0 deutsch
   WENN :t = "d" DANN LI 30 RK               ;* d = NUM 4
   WENN :t = "e" DANN DZ "Abbruch!" AUSSTIEG ;* e = NUM 5
   WENN :t = "f" DANN RE 30 RK               ;* f = NUM 6
   WENN :t = "h" DANN RK                     ;* h = NUM 8
ENDE

Nevertheless you must click the "stop"-Button after finishing ("Ausstieg").





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