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@ -27,4 +27,8 @@ class Bullet(Sprite):
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# 更新表示子弹位置的小数值
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# 更新表示子弹位置的小数值
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self.y -= self.speed_factor
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self.y -= self.speed_factor
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# 更新表示子弹的rect的位置
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# 更新表示子弹的rect的位置
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self.rect.y = self.y
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self.rect.y = self.y
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def draw_bullet(self):
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"""在屏幕上绘制子弹"""
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pygame.draw.rect(self.screen, self.color, self.rect)
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