97 lines
1.9 KiB
Python
Executable File
97 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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import os
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import numpy as np
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import pygame
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Nx = int(sys.argv[1])
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Ny = int(sys.argv[2])
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try:
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fps = float(sys.argv[3])
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except (IndexError, ValueError):
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fps = 17
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#fps = 15
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colors = np.array([
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0x0, 0x0, 0x0,
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0x07,0x07,0x07,
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# 0x1F,0x07,0x07,
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0x2F,0x0F,0x07,
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0x47,0x0F,0x07,
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0x57,0x17,0x07,
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# 0x67,0x1F,0x07,
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0x77,0x1F,0x07,
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0x8F,0x27,0x07,
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0x9F,0x2F,0x07,
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# 0xAF,0x3F,0x07,
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0xBF,0x47,0x07,
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0xC7,0x47,0x07,
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0xDF,0x4F,0x07,
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# 0xDF,0x57,0x07,
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0xDF,0x57,0x07,
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0xD7,0x5F,0x07,
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0xD7,0x5F,0x07,
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# 0xD7,0x67,0x0F,
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0xCF,0x6F,0x0F,
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0xCF,0x77,0x0F,
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0xCF,0x7F,0x0F,
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# 0xCF,0x87,0x17,
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0xC7,0x87,0x17,
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0xC7,0x8F,0x17,
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0xC7,0x97,0x1F,
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# 0xBF,0x9F,0x1F,
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0xBF,0x9F,0x1F,
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0xBF,0xA7,0x27,
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0xBF,0xA7,0x27,
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# 0xBF,0xAF,0x2F,
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0xB7,0xAF,0x2F,
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# 0xB7,0xB7,0x2F,
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0xB7,0xB7,0x37,
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# 0xCF,0xCF,0x6F,
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# 0xDF,0xDF,0x9F,
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# 0xEF,0xEF,0xC7,
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# 0xFF,0xFF,0xFF
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], dtype=np.uint8)
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colors = np.reshape(colors, (colors.size//3, 3))
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grid = np.zeros((Ny,Nx), dtype=np.uint8)
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grid[:,0].fill(colors.shape[0]-1)
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clock = pygame.time.Clock()
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def state2red(c):
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return colors[c, 0]
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def state2green(c):
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return colors[c, 1]
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def state2blue(c):
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return colors[c, 2]
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i = 0
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while True:
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i = i + 1
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rnd = np.random.randint(3, size=(Ny, Nx))
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for py in range(Ny):
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for px in range(1, Nx):
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#grid[py, px] = max(grid[py-1, px] - 1, 0) # v1
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#grid[py, px] = max(grid[py-1, px] - (rnd[py, px] & 1), 0) # v2
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grid[(py - rnd[py, px] + 1) % Ny, px] = max(grid[py, px-1] - (rnd[py, px] & 1), 0) # v3
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if i % 1000 == 0:
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grid[:,0].fill(0)
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elif (i - (colors.shape[0] +10)) % 1000 == 0:
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grid[:,0].fill(colors.shape[0]-1)
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out = np.dstack((state2red(grid), state2green(grid), state2blue(grid))).astype(np.uint8).tobytes()
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os.write(1, out)
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clock.tick_busy_loop(fps) |