[Python知识库]（arcade）随机泡泡

from arcade import *

# 设置窗体宽和高
SCREEN_WIDTH = 600
SCREEN_HEIGHT = 800
# 设置窗体标题
SCREEN_TITLE = "随机泡泡"


class Bubble():
    def __init__(self):
        self.x = 0
        self.y = 0
        self.radius = 0
        self.color = color.SKY_BLUE


class MyGame(arcade.Window):
    def __init__(self, width, height, title):
        super().__init__(width, height, title)
        # 窗体初始化
        self.setup()

    def setup(self):
        # 设置背景颜色
        set_background_color(color.BLACK)
        # 气泡列表
        self.bubble_list = []

    def on_draw(self):
        start_render()
        # 绘制泡泡
        for bubble in self.bubble_list:
            draw_circle_filled(bubble.x, bubble.y, bubble.radius, bubble.color)

    def on_update(self, delta_time: float):
        pass

    def on_key_release(self, symbol: int, modifiers: int):
        # 检测空格键
        if symbol == key.SPACE:
            self.create_bubble()

    def create_bubble(self):
        colors = (color.RED, color.ORANGE, color.YELLOW, color.GREEN, color.BLUE, color.INDIGO, color.PURPLE)
        bubble = Bubble()
        bubble.x = random.randint(1, SCREEN_WIDTH)
        bubble.y = random.randint(1, SCREEN_HEIGHT)
        bubble.radius = random.randint(5, 30)
        bubble.color = random.choice(colors)
        self.bubble_list.append(bubble)


if __name__ == '__main__':
    game = MyGame(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
    run()