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from settings import *
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import random
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class Cloud:
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def __init__(self, game_speed):
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# 随机设定云的x，y坐标
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self.x = SCREEN_WIDTH + random.randint(200, 500) # 云先出现在游戏画面外，然后飞入
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self.y = random.randint(50, 200) # 云的y坐标，即离上部分区域的距离
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self.image = CLOUD # image 保存云的图片
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self.width = self.image.get_width()
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self.game_speed = game_speed
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def update(self):
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self.x -= self.game_speed
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if self.x < -self.width: # 当云从左边出界后又从右边出来
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self.x = SCREEN_WIDTH + random.randint(200, 500)
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self.y = random.randint(50, 200)
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def draw(self, SCREEN):
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SCREEN.blit(self.image, (self.x, self.y))
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