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level3-lesson2-diy2/lesson2-diy2.py

+import pygame
+from pygame import locals
+
+# 初始化pygame，为使用硬件做准备
+pygame.init()
+
+# 创建一个窗口
+screen = pygame.display.set_mode((660, 480))
+
+FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
+# 背景
+background = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+left = pygame.image.load('left.png')
+down = pygame.image.load('down.png')
+up = pygame.image.load('up.png')
+
+x, y = 240, 120
+position = [(180, 90), (180, 120), (210, 120), (x, y)]
+
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            # 接收到退出事件后退出程序
+            exit()
+x += 30   #
+position.append((x, y))
+position.pop(0)
+    # 将背景图画上去
+screen.blit(background, (0, 0))
+    # 将贪吃蛇的头画上去
+screen.blit(right, position[-1])  
+    # 将贪吃蛇的身体画上去
+for i in range(len(position)-1):
+    screen.blit(body, position[i])
+
+
+
+    # 将果实画上去
+screen.blit(food, (360, 300))
+    # 刷新画面
+pygame.display.update()
+FPSCLOCK.tick(3)
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