save project

snake.py

@@ -16,12 +16,14 @@ food = pygame.image.load('apple.png')       # 食物 苹果
 body = pygame.image.load('body.png')        # 身体
 left = pygame.image.load('left.png')        # 头 朝左
 up = pygame.image.load('up.png')            # 头 朝上
-down = pygame.image.load('down.png')        # 头 朝下
+down = pygame.image.load('down.png')        
+my_font = pygame.font.Font('neuropol.ttf',18)
 
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 apple_x = 360
 apple_y = 300
+score = 0
 
 setheading = "right"
 snake_head = right
@@ -60,7 +62,12 @@ while True:
         num2 = random.randint(1,16)
         apple_x = 30*num1-30
         apple_y = 30*num2-30
-    position.pop(0)
+        score+=1
+    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))
     # 将贪吃蛇的头画上去
@@ -71,6 +78,10 @@ while True:
 
     # 将果实画上去
     screen.blit(food, (apple_x, apple_y))
+    info = "score:"+str(score)
+    text = my_font.render(info,True,(0,0,0))
+    screen.blit(text,(30,10))
+
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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