google_home_led_pattern.py 文件源码

def think(self):
        pixels = self.pixels

        while not self.stop:
            pixels = numpy.roll(pixels, 4)
            self.show(pixels)
            time.sleep(0.2)

        t = 0.1
        for i in range(0, 5):
            pixels = numpy.roll(pixels, 4)
            self.show(pixels * (4 - i) / 4)
            time.sleep(t)
            t /= 2

        self.pixels = pixels