save project

1.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()
+# 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)]
+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_UP :
+                setheading='up'
+                snake_head=up
+            if event.key==locals.K_DOWN:
+                setheading='down'
+                snake_head=down
+            if event.key==locals.K_RIGHT :
+                setheading='right'
+                snake_head=right
+            if event.key==locals.K_LEFT:
+                setheading='left'
+                snake_head=left
+    if setheading=='right' and setheading!='left':
+        x+=30
+    if setheading=='left' and setheading!='right':
+        x-=30
+    if setheading=='down' and setheading!='up':
+        y+=30
+    if setheading=='up' and setheading!='down':
+        y-=30
+    position.append((x,y))
+    position.pop(0)
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇的身体画上去
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+     # 将贪吃蛇画上去
+    screen.blit(snake_head,position[-1])
+    # 将果实画上去
+    screen.blit(food, (360, 300))
+    # 刷新画面
+    pygame.display.update()
+    FPSclock.tick(3)
\ No newline at end of file