save project

snake.py

@@ -15,7 +15,7 @@ FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
 background = pygame.image.load('bg.png')
 right = pygame.image.load('ls1.png')      # 头 朝右
 food = pygame.image.load('ys.png')       # 食物 苹果
-body = pygame.image.load('body.png')        # 身体
+body = pygame.image.load('ls.png')        # 身体
 left = pygame.image.load('ls2.png')        # 头 朝左
 up = pygame.image.load('ls.png')            # 头 朝上
 down = pygame.image.load('ls3.png')        # 头 朝下
@@ -26,7 +26,7 @@ ys_x=360
 ys_y=300
 setheading = "right"
 snake_head = right
-score=0
+score=20
 
 while True:
     for event in pygame.event.get():
@@ -64,8 +64,16 @@ while True:
         num_y=random.randint(1,16)
         ys_x=30*num_x-30
         ys_y=30*num_y-30
+        score += 20
     else:
+        score-=1
         position.pop(0)
+    if x<0 or x>630 or y<0 or y> 450:
+        exit()
+    if score==0:
+        exit()
+        
+            
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -78,8 +86,8 @@ while True:
     screen.blit(food, (ys_x, ys_y))
     info='Score:'+str(score)
     text=my_font.render(info,True,(0,0,0))
-    screen.blit(text,(510,0))
+    screen.blit(text,(450,0))
 
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(5)
\ No newline at end of file
+    FPSCLOCK.tick(15)
\ No newline at end of file