save project

snake.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
-
+import random
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 pygame.init()
 
 
 # 创建一个窗口
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 screen = pygame.display.set_mode((660, 480))
 
 
+FPSCLOCK=pygame.time.Clock()
+
 # 背景
 # 背景
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.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')
+my_font=pygame.font.Font("neuropol.ttf",18)
 x,y=240,120
 x,y=240,120
-position=[(180,90),(180,120),(210,120)(x,y)]
+position=[(210,120),(x,y)]
+apple_x=360
+apple_y=300
+setheading="right"
+snake_head=right
+score=0
 
 
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             exit()
+        elif 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_DOWN and setheading !="up":
+                setheading="down"
+                snake_head=down
+
+            if event.key==locals.K_UP and setheading !="down":
+                setheading="up"
+                snake_head=up
+
+    if setheading=="right":
+        x+=30
+    elif setheading=="left":
+        x-=30
+    elif setheading=="up":
+        y-=30
+    else:
+        y+=30
+    
+    position.append((x,y))
+    if x==apple_x and y==apple_y:
+       num1=random.randint(1,22)
+       num2=random.randint(1,16)
+          
+       apple_x=30*num1-30
+       apple_y=30*num2-30
+       score=score+1
+    else:
+        position.pop(0)
+        
+
+
+    
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去
     screen.blit(right,position[-1] )
     screen.blit(right,position[-1] )
     for i in range(len(position)-1):
     for i in range(len(position)-1):
-        screen.blit(food,position[i])
+        screen.blit(body,position[i])
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
     # screen.blit(body, (210, 120))
     # screen.blit(body, (210, 120))
     # screen.blit(body, (180, 120))
     # screen.blit(body, (180, 120))
     # screen.blit(body, (180, 90))
     # screen.blit(body, (180, 90))
     #  将果实画上去
     #  将果实画上去
-    screen.blit(food, (360, 300))
-    # 刷新画面
+    screen.blit(food,(apple_x,apple_y))
+    info="score"+str(score)
+    text=my_font.render(info,True,(0,0,0))
+    screen.blit(text,(540,10))
     pygame.display.update()
     pygame.display.update()
-    FPSCLOCK=tick
+    FPSCLOCK.tick(3)
\ No newline at end of file