auto save

snake.py

@@ -22,7 +22,7 @@ position = [(180, 90), (180, 120), (210, 120), (x, y)]
 apple_x,apple_y=360,300
 setheading = "right"
 snake_head = right
-
+score=0
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -51,12 +51,23 @@ while True:
         y -= 30
     else:
         y += 30
+    # 吃掉水果身体变长
     if x==apple_x and y==apple_y:
-        num_x
-        apple_x=random.randint(30,1800)%30
-        apple_y=random.randint(30,14400)%30
+        num_x=random.randint(1,22)
+        num_y=random.randint(1,16)
+        apple_x=num_x*30
+        apple_y=num_y*30
+        score+=1
+    else:
+        position.pop(0)
+    
+    #贪吃蛇撞墙停止
+    if x<0 or x>630 or y<0 or y>450:
+        font1=pygame.font.Font('neuropol.ttf',25)
+        text1=font.render("游戏失败",True,(0,0,0))
+        screen.blit(text,(200,200))
+        break
     position.append((x, y))
-    position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -67,6 +78,14 @@ while True:
 
     # 将果实画上去
     screen.blit(food, (apple_x, apple_y))
+    # 绘制分数
+    # 1.载入字体
+    font=pygame.font.Font('neuropol.ttf',18)
+    # 2.设置字体文字
+    text=font.render("Score:"+str(score),True,(0,0,0))
+    # 3.渲染
+    screen.blit(text,(400,0))
+
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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