kopia lustrzana https://github.com/pimoroni/pimoroni-pico
51 wiersze
1.2 KiB
Python
51 wiersze
1.2 KiB
Python
from time import ticks_ms
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import math
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import hub75
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# from font_8x12 import font, letter_width, letter_height
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from font_10x14 import font, letter_width, letter_height
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WIDTH, HEIGHT = 64, 64
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hub = hub75.Hub75(WIDTH, HEIGHT, stb_invert=True)
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hub.start()
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hub.clear()
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text = " Hello World!"
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t_s = ticks_ms()
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f_s = ticks_ms() / 1000.0
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frames = 0
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def scroll_text(text, y, t):
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text_length = len(text)
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x = int(t)
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letter = int((x / letter_width) % text_length)
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pixel = x % letter_width
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char = ord(text[letter])
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for s_x in range(WIDTH):
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col = font[char - 32][pixel]
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s_y = y + int(math.sin((t / 3.0) + s_x / 30.0) * 8)
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hub.set_color_masked(s_x, s_y, col, hub75.color_hsv(s_x / WIDTH, 1.0, 1.0))
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pixel += 1
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if pixel == letter_width:
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pixel = 0
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letter += 1
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if letter == text_length:
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letter = 0
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char = ord(text[letter])
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while True:
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hub.clear()
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t = (ticks_ms() - t_s) / 50.0
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scroll_text(text, int(HEIGHT / 2) - int(letter_height / 2), t)
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hub.flip()
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frames += 1
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if frames % 60 == 0:
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f_e = ticks_ms() / 1000.0
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print(frames / (f_e - f_s))
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