Made it usable as module.

physics/parabelfunc.py

@@ -56,11 +56,14 @@ def berechneflugbahn(cow, xmin, xmax, ymin, ymax, startwinkel, startgeschwindigk
 
 # some useful control
 clear, home, curoff, curon = "'\x1b[2J\x1b[H", "\x1b[H", "\x1b[?25l", "\x1b[?25h"
+
+
 # set position of cursor
 def curpos(x, y):
     print("\033[%d;%dH" % (ymax - y, x), end="", flush=True)
 
 
+if __name__ == "__main__":
     # Randomly choose a cow
     cows = "🐵🐒🦍🦧🐕🐯🦝🐩🐅🐴🐎🦄🦌🐗🐂🐃🐄🐪🐫🦙🦒🐹🦘🦡🐧🕊️ 🦅🦆🦉🐍🦎🐊🦜🦚🦩🐲🐉🦕"
     cowlistlength = len(cows)