Packages

import math
import matplotlib
from matplotlib.patches import Arc as mpA
from matplotlib.patches import Circle as mpC
from matplotlib.patches import Ellipse as mpE
import matplotlib.pyplot as plt
import seaborn as sns

Universe

matplotlib.rc_file_defaults()

fig = plt.figure(figsize = (8,8))
ax = fig.add_subplot(xlim = (-21, 21),
                     ylim = (-21, 21))

#Remove axes and ticks.
ax.spines["top"].set_visible(False)
ax.spines["right"].set_visible(False)
ax.spines["bottom"].set_visible(False)
ax.spines["left"].set_visible(False)
ax.set_xticks([])
ax.set_yticks([])




#Universe.
universe = mpC(xy = (0, 0),
               radius = 20,
               alpha = 0.3,
               facecolor = '#481567',
               zorder = 1)

universe2 = mpA(xy = (0, 0),
                height = 40,
                width = 13.33,
                theta1 = 270,
                theta2 = 90,
                ls = ':',
                lw = 3,
                alpha = 0.5,
                edgecolor = '#481567',
                zorder = 1)

universe3 = mpA(xy = (0, 0),
                height = 40,
                width = 13.33,
                theta1 = 90,
                theta2 = 270,
                ls = ':',
                lw = 3,
                edgecolor = '#481567',
                zorder = 3)

ax.add_patch(universe)
ax.add_patch(universe2)
ax.add_patch(universe3)




#Left.
xs = [0]
ys = [0]

for theta in range(-1000,1001):
    theta = theta/100
    xs.append(-20*math.cos(math.radians(theta)))
    ys.append(20*math.sin(math.radians(theta)))
    
xs.append(0)
ys.append(0)

ax.fill(xs, ys, facecolor = '#1F968B', alpha = 0.3, zorder = 2)
ax.plot(xs, ys, color = '#1F968B', ls = ":", lw = 3, zorder = 2)




#Accretion.
accretion = mpE(xy = (0, 0),
                height = 12,
                width = 4,
                alpha = 0.8,
                facecolor = '#FFCF20',
                ls = '-',
                lw = 4,
                edgecolor = '#FFCF20',
                zorder = 3)

ax.add_patch(accretion)




#Right.
xsr = [-1*x for x in xs]

ax.fill(xsr, ys, facecolor = '#1F968B', alpha = 0.8, zorder = 4)
ax.plot(xsr, ys, color = '#1F968B', ls = ":", lw = 3, zorder = 4)




#Black Hole.
ax.scatter(0,0, s = 100, c= "black", zorder = 5)




fig.savefig('2021.05.20 Classic.png');

Rohan Lewis

2022.05.22