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