外星人
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alien.py
17
alien.py
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@ -3,16 +3,17 @@ from pygame.sprite import Sprite
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class Alien(Sprite):
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""""表示单个外星人的类"""
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"""表示单个外星人的类"""
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def __init__(self, ai__settings, screen):
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"""初始化外星人并设置其起始位置"""
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super(Alien, self).__init__()
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self.screen = screen
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self.ai_settings = ai__settings
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# 加载外星人图像,并设置其rect属性
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self.image = pygame.image.load('images/alien.png')
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self.rect=self.image.get_rect()
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self.rect = self.image.get_rect()
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# 每个外星人最初都在屏幕左上角附件
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self.rect.x = self.rect.width
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self.rect.y = self.rect.height
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@ -45,17 +46,20 @@ class BossAlien(Sprite):
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self.screen = screen
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self.ai_settings = ai_settings
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self.health = health
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# 加载外星人图像,并设置其rect属性
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self.image = pygame.image.load('images/bossalien.png')
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self.rect = self.image.get_rect()
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self.screen_rec = screen.get_rect()
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self.screen_rect = screen.get_rect()
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self.rect.x = 550
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self.rect.y = 100
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# 储存外星人的精准位置
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self.x = float(self.rect.x)
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# #设置生命值
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# health=100
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# 设置生命值
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# health=100
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def blitme(self):
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"""在指定位置绘制外星人"""
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@ -64,12 +68,13 @@ class BossAlien(Sprite):
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def draw_health_bar(self, screen):
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"""显示血条"""
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# 参数依次表示:在screen上面绘制,颜色,(改图案左上角的坐标,长度和高度)
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# 灰色的空白血条
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pygame.draw.rect(screen, (0, 230, 0), ((380, 100), (500, 10)))
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# 红色的现有血条
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pygame.draw.rect(screen, (255, 0, 0), ((380, 100), (self.health, 10)))
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def check_edgrs(self):
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def check_edges(self):
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"""如果外星人位于屏幕边缘就返回True"""
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screen_rect = self.screen.get_rect()
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if self.rect.right >= screen_rect.right:
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