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