save project

snake.py

+import pygame
+from pygame import locals
+
+# 初始化pygame，为使用硬件做准备
+pygame.init()
+
+FPSCLOCK = pygame.time.Clock()
+# 创建一个窗口
+screen = pygame.display.set_mode((660, 480))
+
+#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 # 初始化贪吃蛇的头的坐标
+position = [(180,90),(180,120),(210,120),(x,y)]
+
+setheading = "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 setheading !="left"          
+               setheading = 'right'
+               snake_head = 'right'
+            if event.key == locals.K_LEFT and setheading !="right"
+               setheading == "left"
+               snake_head = left
+            if event.key == locals.K_UP and setheading !="down"
+               setheading == "up"
+               snake_head = up
+            if event.key == locals.K_DOWN and setheading !="up"
+               setheading == "down"
+               snake_head =down
+
+    #设置贪吃蛇的头部坐标
+    if setheading == 'right':
+       x += 30
+    elif setheading == "left":
+        x -= 30
+    elif setheading == 'up':
+        y -= 30
+    else:
+        y += 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
+    scren.blit(snake_head,position[-1])
+    #将贪吃蛇的身体画上去
+    for i in range(len(position)-1)
+        screen.blit(body,position[id]
+
+    x += 30       
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇画上去
+    screen.blit(right, (240, 120))
+    # 将贪吃蛇的身体画上去
+    screen.blit(body, (210, 120))
+    screen.blit(body, (180, 120))
+    screen.blit(body, (180, 90))
+    # 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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