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40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
#!/usr/bin/env python
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from samplebase import SampleBase
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import time
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class GrayscaleBlock(SampleBase):
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def __init__(self, *args, **kwargs):
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super(GrayscaleBlock, self).__init__(*args, **kwargs)
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def run(self):
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sub_blocks = 16
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width = self.matrix.width
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height = self.matrix.height
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x_step = max(1, width / sub_blocks)
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y_step = max(1, height / sub_blocks)
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count = 0
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while True:
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for y in range(0, height):
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for x in range(0, width):
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c = sub_blocks * int(y / y_step) + int(x / x_step)
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if count % 4 == 0:
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self.matrix.SetPixel(x, y, c, c, c)
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elif count % 4 == 1:
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self.matrix.SetPixel(x, y, c, 0, 0)
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elif count % 4 == 2:
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self.matrix.SetPixel(x, y, 0, c, 0)
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elif count % 4 == 3:
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self.matrix.SetPixel(x, y, 0, 0, c)
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count += 1
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time.sleep(2)
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# Main function
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if __name__ == "__main__":
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grayscale_block = GrayscaleBlock()
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if (not grayscale_block.process()):
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grayscale_block.print_help()
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