73 lines
2.1 KiB
Python
73 lines
2.1 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, tan, sqrt
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from time import sleep
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def berechneflugbahn(cow, xmin, xmax, ymin, ymax, startwinkel, startgeschwindigkeit, starthoehe):
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x = 0
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y = x**2
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# in scala the resulting coordinates will be returned
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scala = []
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erde = 9.81
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mond = 1.6
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jupiter = 24
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gravitation = erde
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starthoehe = 0
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startwinkel = 26 * deg2rad
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startgeschwindigkeit = 36
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loeschen = "y"
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# Calculate time of flight
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flugdauer = startgeschwindigkeit * sin(startwinkel) / gravitation
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schlafdauer = flugdauer / xmax
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# Calculate maximum height
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hoehe = 0.5 * gravitation * flugdauer**2 + starthoehe
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# calculate length of flight
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wurfweite = (
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startgeschwindigkeit
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* cos(startwinkel)
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* (startgeschwindigkeit * sin(startwinkel) + sqrt(startgeschwindigkeit**2 * sin(startwinkel) ** 2 + 2 * gravitation * starthoehe))
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) / gravitation
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# cowlength is 2, if cow is an UTF8-Icon, otherwise 1
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for x in range(xmin, xsteps - 1, cowlength):
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# the formula, which generates the y position for the corresponding x, shamelessly ripped from some schoolbook and modified.
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yold = y
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y = (-(gravitation / (2 * startgeschwindigkeit**2 * cos(startwinkel) ** 2)) * x**2) + (tan(startwinkel) * x + starthoehe)
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# Ensure, that nothing has to be drawn outside the viewport
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if y < ymax and y > ymin:
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# Stash awa the coordinates into scala, which will be returned
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scala += [x, int(y * 10 + 5) / 10]
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else:
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scala += [x, 0]
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xold = x
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return scala
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# berechneflugbahn(cow, xmin, xmax, ymin, ymax, startwinkel, startgeschwindigkeit, starthoehe):
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cow = "🦝"
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cowlength = len(cow)
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xmax = 157
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ymax = 38
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ymin = 0
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xmin = 0
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xold = xmin
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# pi is not defined by default
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pi = 3.1416
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deg2rad = pi / 180
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xsteps = xmax
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wurfweite = 0
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startwinkel = (34 / deg2rad,)
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startgeschwindigkeit = 23
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starthoehe = 0
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print(berechneflugbahn(cow, xmin, xmax, ymin, ymax, startwinkel, startgeschwindigkeit, starthoehe))
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