color_fade.py 文件源码

def _next_frame(self):
        sources = np.random.randint(0, 7, len(self.my_pixels))
        colors = np.concatenate((self.colors, [BLACK, BLACK, BLACK]))
        for i in range(3):
            c = np.choose(sources, colors[:, i])
            self.my_pixels[:, i] = c