auto save

snake.py

@@ -17,12 +17,14 @@ 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
+myfont = pygame.font.Font("neuropol.ttf",30)
 
 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
@@ -56,12 +58,18 @@ while True:
     else:
         y += 30
 
+
+    position.append((x,y))
+
     if x ==apple_x and y==apple_y :
+        score += 5
         apple_x = random.randint(0,22)*30
         apple_y = random.randint(0,16)*30
-        
-    position.append((x, y))
+    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
@@ -70,8 +78,13 @@ while True:
     for i in range(len(position)-1):
         screen.blit(body, position[i])
 
+
     # 将果实画上去
     screen.blit(food, (apple_x,apple_y))
+
+    info = "score:"+str(score)
+    test = myfont.render(info,True,(0,255,0))
+    screen.blit(test,(500,10))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(5)
\ No newline at end of file