save project

snake.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))
+fps=pygame.time.Clock()
+# 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')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+x,y=240,120
+position=[(180,90),(180,120),(210,120),(x,y)]
+seheading="right"
+snake_head=right
+
+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()
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and seheading!="left":
+                seheading="right"
+                snake_head=right 
+            if event.key == locals.K_LEFT and seheading!="right":
+                seheading="left"
+                snake_head=left
+            if event.key == locals.K_UP and seheading!="down":
+                seheading="up"
+                snake_head=up
+            if event.key == locals.K_DOWN and seheading!="up":
+                seheading="down"
+                snake_head=down
+    if seheading == "right":
+        x=x+30
+    elif seheading == "left":
+        x=x-30
+    elif seheading == "up":
+        y=y-30
+    else:
+        y=y+30
+    position.append((x,y))
+    position.pop(0)
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇画上去
+    screen.blit(right, (x, y))
+    # 将贪吃蛇的身体画上
+    for i in range(1,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()
+    fps.tick(5)
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