fireworks.py 文件源码

def fzero_fountain(start_col=16,
                 color=(0, 255, 255),
                 border_color=(255, 0, 0),
                 border_thickness=10,
                 height=50):
    """
        F-Zero Launcher - make a f-zero speed boost arrow around the start_col
        """
    # get 5 pixels to either side to select the 11 columns in this section
    cols = map(lambda c: c % STATE.layout.columns, range(start_col - 5, start_col + 5 + 1))

    # group them by levels to make an f-zero speed boost arrow
    levels = [[cols[5]],
              [cols[4], cols[6]],
              [cols[3], cols[7]],
              [cols[2], cols[8]],
              [cols[1], cols[9]],
              [cols[0], cols[10]]]

    def make_line((i, col)):
        # fade the colors on the edges
        def get_color():
            hsv = colorsys.rgb_to_hsv(color[0] // 255, color[1] // 255, color[2] // 255)
            rgb = colorsys.hsv_to_rgb(hsv[0], hsv[1], hsv[2] - (i * 0.12))
            return (rgb[0] * 255, rgb[1] * 255, rgb[2] * 255)

        return RisingLine(
            height=height,
            start_col=col,
            delay=i * 80,
            color=get_color(),
            border_color=border_color,
            border_thickness=border_thickness)