save project

snake.py

 import pygame
+import random
 from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
@@ -15,10 +16,14 @@ 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
+apple_x=360
+apple_y=300
 position=[(180,90),(180,120),(210,120),(x,y)]
 setheading="right"
-snake_head= right          
+snake_head= right
+score=0          
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -49,7 +54,14 @@ while True:
     if setheading =="down":
         y += 30        
     position.append((x,y))
-    position.pop(0)
+    if x==apple_x and y ==apple_y:
+        apple_x=random.randint( 0,21)*30
+        apple_y=random.randint(0,17)*30
+        score=score+10
+    else:
+        position.pop(0)
+    if x <0 or x>630 or y <0 or y>450:
+        exit()
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
@@ -59,7 +71,11 @@ while True:
         screen.blit(body, position[i])
     
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    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))
+    
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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