From b8369e0bf814c91000cdd9fad80e5a6e33530538 Mon Sep 17 00:00:00 2001
From: EKNr1 <emil@i21k.de>
Date: Fri, 29 Dec 2023 18:54:39 +0100
Subject: [PATCH] Made it usable as module.

---
 physics/parabelfunc.py | 81 ++++++++++++++++++++++--------------------
 1 file changed, 42 insertions(+), 39 deletions(-)

diff --git a/physics/parabelfunc.py b/physics/parabelfunc.py
index 63b7b50..5cafa06 100755
--- a/physics/parabelfunc.py
+++ b/physics/parabelfunc.py
@@ -56,54 +56,57 @@ 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)
 
 
-# Randomly choose a cow
-cows = "🐵🐒🦍🦧🐕🐯🦝🐩🐅🐴🐎🦄🦌🐗🐂🐃🐄🐪🐫🦙🦒🐹🦘🦡🐧🕊️ 🦅🦆🦉🐍🦎🐊🦜🦚🦩🐲🐉🦕"
-cowlistlength = len(cows)
-cow = cows[random.randint(0, cowlistlength - 1)]
-# pi is not defined by default
-pi = 3.1416
-deg2rad = pi / 180
+if __name__ == "__main__":
+    # Randomly choose a cow
+    cows = "🐵🐒🦍🦧🐕🐯🦝🐩🐅🐴🐎🦄🦌🐗🐂🐃🐄🐪🐫🦙🦒🐹🦘🦡🐧🕊️ 🦅🦆🦉🐍🦎🐊🦜🦚🦩🐲🐉🦕"
+    cowlistlength = len(cows)
+    cow = cows[random.randint(0, cowlistlength - 1)]
+    # pi is not defined by default
+    pi = 3.1416
+    deg2rad = pi / 180
 
-# Needed: find our screensize. We are in textmode here
-termsize_xy = os.get_terminal_size()
+    # Needed: find our screensize. We are in textmode here
+    termsize_xy = os.get_terminal_size()
 
-### I m p o r t a n t   p a r a m e t e r s ###
+    ### I m p o r t a n t   p a r a m e t e r s ###
 
-# X-Resolution of the display
-xmax = termsize_xy[0] - 1
-xsteps = xmax
-ymax = termsize_xy[1]
-ymin = 0
-xmin = 0
-startwinkel = 34
-startgeschwindigkeit = 31
-starthoehe = 0
-schlafzeit = 0.05
-###
+    # X-Resolution of the display
+    xmax = termsize_xy[0] - 1
+    xsteps = xmax
+    ymax = termsize_xy[1]
+    ymin = 0
+    xmin = 0
+    startwinkel = 34
+    startgeschwindigkeit = 31
+    starthoehe = 0
+    schlafzeit = 0.05
+    ###
 
-# needed for erasing ol position
-xold = xmin
-yold = ymin
-x = xmin
-y = xmin
+    # needed for erasing ol position
+    xold = xmin
+    yold = ymin
+    x = xmin
+    y = xmin
 
-# Call the function, which calculates the coordinates)
-ergebnis = berechneflugbahn(cow, xmin, xmax, ymin, ymax, startwinkel, startgeschwindigkeit, starthoehe)
-print(curoff)
-# here we draw the cow
-for count in range(xmin, len(ergebnis), 2):
-    xold, yold = x, y
-    x, y = ergebnis[count], ergebnis[count + 1]
-    curpos(x, y)
-    print(cow, end="")
-    sleep(schlafzeit)
-    curpos(xold, yold)
-    print("☁️ ", end="")
+    # Call the function, which calculates the coordinates)
+    ergebnis = berechneflugbahn(cow, xmin, xmax, ymin, ymax, startwinkel, startgeschwindigkeit, starthoehe)
+    print(curoff)
+    # here we draw the cow
+    for count in range(xmin, len(ergebnis), 2):
+        xold, yold = x, y
+        x, y = ergebnis[count], ergebnis[count + 1]
+        curpos(x, y)
+        print(cow, end="")
+        sleep(schlafzeit)
+        curpos(xold, yold)
+        print("☁️ ", end="")
 
 
-sys.exit(home + cow + curon)
+    sys.exit(home + cow + curon)