auto save

snake.py

-import pygame
+import pygame
 from pygame import locals
+import random
+
+
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
@@ -7,7 +10,7 @@ pygame.init()
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
-
+Score = 0
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')      # 头 朝右
@@ -16,9 +19,11 @@ 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
@@ -42,7 +47,6 @@ while True:
                 setheading = 'down'
                 snake_head = down
 
-    # 设置贪吃蛇的头部坐标
     if setheading == "right":
         x += 30
     elif setheading == "left":
@@ -52,17 +56,26 @@ while True:
     else:
         y += 30
     position.append((x, y))
-    position.pop(0)
-    # 将背景图画上去
+    if x == apple_x and y == apple_y:
+        num1 = random.randint(1,22)
+        num2 = random.randint(1,16)
+        apple_x = 30*num1-30
+        apple_y = 30*num2-30
+        Score += 10
+    else:
+        position.pop(0)
+    if x<0 or x>630 or y<0 or y>450:
+        exit()
     screen.blit(background, (0, 0))
-    # 将贪吃蛇的头画上去
     screen.blit(snake_head, position[-1])
-    # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body, position[i])
+    screen.blit(food, (apple_x, apple_y))
+    
+
+    info = "Score:"+ str(Score)
+    txet = my_font.render(info,True,(0,0,0))
+    screen.blit(txet,(540,10))
 
-    # 将果实画上去
-    screen.blit(food, (360, 300))
-    # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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