save project

snake.py

@@ -15,7 +15,7 @@ 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 = pyfame.font.Font('neuropol.ttf', 18)
+my_font = pygame.font.Font('neuropol.ttf', 18)
 x, y = 240, 120
 position = [(180,90),(180,120),(210,120),(x,y)]
 apple_x=360
@@ -52,12 +52,17 @@ while True:
         y +=30
     position.append((x,y))
     if x ==apple_x and y ==apple_y:
+        score+=1
         num1= random.randint(1, 22)
         num2 = random.randint(1, 16)
         apple_x = 30*num1-30
         apple_y = 30*num2-30
-    position.append((x,y))
-    position.pop(0)  
+    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