Last active
September 25, 2019 10:35
-
-
Save tshirtman/12ea3258908d4cdf08f866d94d11e920 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
from threading import Thread | |
import numpy as np | |
from time import sleep | |
from kivy.app import App | |
from kivy.graphics.texture import Texture | |
from kivy.lang import Builder | |
from kivy.clock import Clock | |
from kivy.properties import ObjectProperty | |
from kivy.core.window import Window | |
ANTS = 2 | |
SIZE = 1000, 1000 | |
KV = ''' | |
ScatterPlane: | |
Widget: | |
id: world | |
size_hint: None, None | |
size: {SIZE} | |
pos_hint: {{'center': (.5, .5)}} | |
canvas: | |
Line: | |
rectangle: self.pos + self.size | |
Rectangle: | |
pos: self.pos | |
size: self.size | |
texture: app.texture | |
'''.format(**locals()) | |
world = np.array( | |
[0. for i in range(SIZE[0] * SIZE[1])], | |
dtype=np.float32, | |
) | |
def compute_langton(x, y): | |
direction = 0 | |
# 0 = left, 1 = down, 2 = right, 3 = up | |
while True: | |
sleep(.0001) | |
XY = y * SIZE[0] + x | |
val = world[XY] | |
direction += 1 if val else -1 | |
direction %= 4 | |
world[XY] = 1 - val | |
x += (direction - 1) if not direction % 2 else 0 | |
y += (direction - 2) if direction % 2 else 0 | |
x %= SIZE[0] | |
y %= SIZE[1] | |
class Langton(App): | |
texture = ObjectProperty() | |
def build(self): | |
Clock.schedule_interval(self.refresh, 0) | |
self.texture = Texture.create(size=SIZE, colorfmt='luminance') | |
self.texture.min_filter = 'nearest' | |
self.texture.mag_filter = 'nearest' | |
for i in range(ANTS): | |
compute = Thread( | |
target=compute_langton, | |
args=( | |
(i + 1) * SIZE[0] // (ANTS + 1), | |
SIZE[1] // 2 | |
), | |
) | |
compute.daemon = True | |
compute.start() | |
return Builder.load_string(KV) | |
def refresh(self, dt): | |
self.texture.blit_buffer(world, colorfmt='luminance', bufferfmt='float') | |
self.root.ids.world.canvas.flag_update() | |
if __name__ == '__main__': | |
Langton().run() |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment