43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
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#!/usr/bin/env python
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from samplebase import SampleBase
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class PulsingColors(SampleBase):
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def __init__(self, *args, **kwargs):
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super(PulsingColors, self).__init__(*args, **kwargs)
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def run(self):
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self.offscreen_canvas = self.matrix.CreateFrameCanvas()
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continuum = 0
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while True:
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self.usleep(5 * 1000)
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continuum += 1
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continuum %= 3 * 255
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red = 0
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green = 0
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blue = 0
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if continuum <= 255:
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c = continuum
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blue = 255 - c
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red = c
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elif continuum > 255 and continuum <= 511:
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c = continuum - 256
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red = 255 - c
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green = c
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else:
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c = continuum - 512
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green = 255 - c
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blue = c
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self.offscreen_canvas.Fill(red, green, blue)
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self.offscreen_canvas = self.matrix.SwapOnVSync(self.offscreen_canvas)
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# Main function
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if __name__ == "__main__":
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pulsing_colors = PulsingColors()
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if (not pulsing_colors.process()):
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pulsing_colors.print_help()
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