save project

snake.py

@@ -16,13 +16,14 @@ 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
-
+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
 setheading = "right"
 snake_head = right
+score=0
 
 while True:
     for event in pygame.event.get():
@@ -54,9 +55,13 @@ while True:
         y += 30
     position.append((x, y))
     if x==apple_x and y==apple_y:
-        apple_x=random.randint(0,22)*30
-        apple_y=random.randint(0,16)*30
-    position.pop(0)
+       apple_x=random.randint(0,21)*30
+       apple_y=random.randint(0,15)*30
+       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))
     # 将贪吃蛇的头画上去
@@ -64,9 +69,14 @@ while True:
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body, position[i])
-
+    info="Score:"+str(score)
+    text=my_font.render(info,True,(0,0,0))
+    screen.blit(text, (540,10))
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x,apple_y))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(3)
+
+
+