great update # aber komme mit wuffels parrable funktion nicht klar

physics/kreis.py

@@ -0,0 +1,61 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+
+
+import os, sys, termios, tty, time, random
+from math import sin, cos, sqrt
+from time import sleep
+
+# Randomly choose a cow
+cows = "🐵🐒🦍🦧🐕🐯🦝🐩🐅🐴🐎🦄🦌🐗🐂🐃🐄🐪🐫🦙🦒🐹🦘🦡🐧🕊️🦅🦆🦉🐍🦎🐊🦜🦚🦩🐲🐉🦕"
+cowslength = len(cows)
+cow = cows[random.randint(0, cowslength - 1)]
+# cow = "🐄"
+# cow = "*"
+if cow.isascii():
+    charlength = 1
+else:
+    charlength = 2
+
+# Needed: find our screensize
+termsize_xy = os.get_terminal_size()
+# maximum and medium of points in a row
+xmax = termsize_xy[0] - 1
+xmitte = xmax / 2
+# maximum and medium of points in a column
+ymax = termsize_xy[1]
+ymitte = ymax / 2
+
+# CTRL and ESC-codes for the used outputdevice. Probably a terminal.
+clear, home, curoff, curon = "'\x1b[2J\x1b[H", "\x1b[H", "\x1b[?25l", "\x1b[?25h"
+
+
+# pi is not defined by default. Noone has a display with 31416 Pixels in a row. U know better? Enhance it.
+pi = 3.1416
+# This is for convenience, if you are thinking in degrees. It must not be recalculated every loop.
+deg2rad = pi / 180
+# position cursor at x,y - where x=0 y=0 is the left lower corner like in mathematical diagrams
+
+# some scales, we need. Those UTF8Cows are 2 chars wide and need more space. So we have to scale one Axis
+radius = ymitte - 2
+xradius = ymitte * charlength - 1
+
+
+# Position the curser at x,y. Yes, we start with x, print does not, you are looking right. Leave it this way!
+def curpos(x, y):
+    print("\033[%d;%dH" % (ymax - y, x), end="", flush=True)
+
+
+print(clear, curoff)
+
+# Draw a circle in maximum 360 Steps, one for for every degree
+for winkel in range(0, 359):
+    x = sin(winkel * deg2rad) * xradius + xmitte
+    y = cos(winkel * deg2rad) * radius + ymitte
+    curpos(x, y)
+    print(cow, end="")
+    time.sleep(0.01)
+
+
+curpos(1, 1)
+sys.exit(curon + "Schulz nun.")

physics/parabelfunc.py

@@ -0,0 +1,128 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+
+
+import os, sys, random #,termios, tty, time,
+from math import sin, cos, tan, sqrt
+from time import sleep
+
+
+# pi is not defined by default
+pi = 3.1416
+deg2rad = pi / 180
+
+
+########################################################################################
+def berechneflugbahn(xmax, ymax, steps, startwinkel, startgeschwindigkeit, xmin=0, ymin=0, starthoehe=0, gravitation=9.81, xstep=1):
+    x = 0
+    y = x**2
+
+    # in scala the resulting coordinates will be returned
+    scala = []
+
+    startwinkel = startwinkel * deg2rad
+
+    # Calculate time of flight, actually not used
+    flugdauer = startgeschwindigkeit * sin(startwinkel) / gravitation
+    # Calculate maximum height
+    hoehe = 0.5 * gravitation * flugdauer**2 + starthoehe
+
+    # calculate length of flight, actually not used
+    wurfweite = (
+        startgeschwindigkeit
+        * cos(startwinkel)
+        * (startgeschwindigkeit * sin(startwinkel) + sqrt(startgeschwindigkeit**2 * sin(startwinkel) ** 2 + 2 * gravitation * starthoehe))
+    ) / gravitation
+
+    first_run = True
+
+    # cowlength is 2, if cow is an UTF8-Icon, otherwise 1
+    for x in range(xmin, steps - 1, xstep):
+        # the formula, which generates the y position for the corresponding x, shamelessly ripped from some schoolbook and modified.
+        y = (-(gravitation / (2 * startgeschwindigkeit**2 * cos(startwinkel) ** 2)) * x**2) + (tan(startwinkel) * x + starthoehe)
+
+        # Ensure, that nothing has to be drawn outside the viewport
+
+        if x >= xmax:
+            x = xmax
+
+        if y >= ymax:
+            y = ymax
+
+        elif y <= ymin:
+            y = ymin
+
+        # Stash away the coordinates into scala, which will be returned
+        scala += [x, int((y * 100 + 50) / 100)]
+
+        if y == ymin and not first_run:
+            break
+
+        first_run = False
+
+    return scala
+
+
+#############################################################################################
+# berechneflugbahn(cow, xmin, xmax, ymin, ymax, startwinkel, startgeschwindigkeit, starthoehe):
+
+# some useful control
+clear, home, curoff, curon = "'\x1b[2J\x1b[H", "\x1b[H", "\x1b[?25l", "\x1b[?25h"
+
+
+g_erde = 9.81  # gravitation examples
+mond = 1.6
+jupiter = 24
+
+# 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)
+    cow = cows[random.randint(0, cowlistlength - 1)]
+
+
+    # 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 ###
+
+    # X-Resolution of the display
+    xmax = termsize_xy[0] - 1
+    xsteps = xmax * 2
+    ymax = termsize_xy[1]
+    ymin = 0
+    xmin = 0
+    startwinkel = 34
+    startgeschwindigkeit = 60
+    starthoehe = 0
+    schlafzeit = 0.05
+    ###
+
+    # needed for erasing old position
+    xold = xmin
+    yold = ymin
+    x = xmin
+    y = xmin
+
+    # Call the function, which calculates the coordinates)
+    ergebnis = berechneflugbahn(xmax, ymax, xsteps, startwinkel, startgeschwindigkeit, starthoehe, gravitation=g_erde, xstep=2)
+    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="")
+
+    sleep(2)
+
+
+    sys.exit(home + curon)

physics/parabeltest.py

@@ -0,0 +1,128 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+
+
+import os, sys, termios, tty, time, random
+from math import sin, cos, tan, sqrt
+from time import sleep
+
+# Randomly choose a cow
+cows = "🐵🐒🦍🦧🐕🐯🦝🐩🐅🐴🐎🦄🦌🐗🐂🐃🐄🐪🐫🦙🦒🐹🦘🦡🐧🕊️🦅🦆🦉🐍🦎🐊🦜🦚🦩🐲🐉🦕"
+cowlistlength = len(cows)
+cow = cows[random.randint(0, cowlistlength - 1)]
+cowlength = len(cow)
+
+# Needed: find our screensize
+termsize_xy = os.get_terminal_size()
+xmax = termsize_xy[0] - 1
+ymax = termsize_xy[1]
+ymin = 0
+xmin = 0
+xold = xmin
+
+# pi is not defined by default
+pi = 3.1416
+deg2rad = pi / 180
+
+# position cursor at x,y - where x=0 y=0 is the left lower corner like in mathematical diagrams
+def curpos(x, y):
+    print("\033[%d;%dH" % (ymax - y, x), end="", flush=True)
+
+
+outputfile = open("cowyeetflugbahn.txt", "w")
+
+# CTRL and ESC-codes for the used outputdevice. Probably a terminal.
+clear, home, curoff, curon = "'\x1b[2J\x1b[H", "\x1b[H", "\x1b[?25l", "\x1b[?25h"
+
+
+# some scales, we need
+# not everything has to be recomputed in loops.
+xsteps = xmax
+x = 0
+y = x**2
+erde = 9.81
+mond = 1.6
+jupiter = 24
+gravitation = erde
+# in scala the resulting coordinates will be returned
+scala = []
+
+# used, if input is disabled
+starthoehe = 0
+startwinkel = 26 * deg2rad
+startgeschwindigkeit = 36
+loeschen = "y"
+
+bla = input("Parameter editieren (y) oder Vorgabe nutzen?")
+if bla == "y":
+    # Be a friendly host, lets have a talk.
+    # comment out to speed up testing
+    starthoehe = float(input("Starthöhe in Metern, empf: 0-20: "))
+    startwinkel = float(input("Startwinkel 0° - 90°: ")) * deg2rad
+    startgeschwindigkeit = float(input("Startgeschwindigkeit Meter (zb 20) pro Sekunde: "))
+    loeschen = input("Kuh löschen? (y/n)")
+####
+
+# Calculate time of flight
+flugdauer = startgeschwindigkeit * sin(startwinkel) / gravitation
+schlafdauer = flugdauer / xmax
+# Calculate maximum height
+hoehe = 0.5 * gravitation * flugdauer**2 + starthoehe
+
+# calculate length of flight
+wurfweite = (
+    startgeschwindigkeit
+    * cos(startwinkel)
+    * (startgeschwindigkeit * sin(startwinkel) + sqrt(startgeschwindigkeit**2 * sin(startwinkel) ** 2 + 2 * gravitation * starthoehe))
+) / gravitation
+
+
+# init screen and wait for userinput
+
+print(clear, curoff)
+print(
+    "xteps: ",
+    xsteps,
+    "\nwurfweite: ",
+    wurfweite,
+    "\nstartwinkel: ",
+    startwinkel / deg2rad,
+    "\nstartgeschwindigkeit: ",
+    startgeschwindigkeit,
+    "\nstarthoehe: ",
+    starthoehe,
+    "\nhoehe: ",
+    hoehe,
+    "\nschlafdauer: ",
+    schlafdauer,
+)
+
+bla = input("CR please:")
+
+# position cursor down left corner
+curpos(1, ymax)
+
+# cowlength is 2, if cow is an UTF8-Icon, otherwise 1
+for x in range(xmin, xsteps - 1, cowlength):
+    # the formula, which generates the y position for the corresponding x, shamelessly ripped from some schoolbook and modified.
+    yold = y
+    y = (-(gravitation / (2 * startgeschwindigkeit**2 * cos(startwinkel) ** 2)) * x**2) + (tan(startwinkel) * x + starthoehe)
+
+    time.sleep(schlafdauer)
+    # Ensure, that nothing has to be drawn outside the viewport
+    if y < ymax and y > ymin:
+        curpos(x, y)
+        print(cow, end="")
+        # Stash awa the coordinates into scala, which will be returned
+        scala += [x, int(y * 10 + 5) / 10]
+        if loeschen == "y":
+            curpos(xold, yold)
+            print(" ", end="")
+    else:
+        scala += [x, 0]
+
+    xold = x
+
+curpos(0, 0)
+outputfile.write(str(scala))
+sys.exit(curon + "Moooooooooooo.")