save project

snake.py

 import pygame
 from pygame import locals
-import random 
+import random
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
@@ -17,11 +17,13 @@ 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)     # 加载字体资源
 
 x, y = 240, 120
-apple_x=360
-apple_y=360
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
+apple_x = 360
+apple_y = 300
+score = 0
 
 setheading = "right"
 snake_head = right
@@ -55,13 +57,16 @@ while True:
     else:
         y += 30
     position.append((x, y))
-    position.pop(0)
+
     if x == apple_x and y == apple_y:
-        apple_x = random.randint(1,22)
-        apple_y = random.randint(1,16)
-    else: 
+        score += 10
+        apple_x = random.randint(1,22) * 30 - 30
+        apple_y = random.randint(1,16) * 30 - 30
+    else:
         position.pop(0)
     # 将背景图画上去
+    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])
@@ -70,7 +75,11 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (apple_x,apple_y))
+    screen.blit(food, (apple_x, apple_y))
+
+    info = 'Score:' + str(score)
+    text = my_font.render(info,True,(0,0,0))
+    screen.blit(text,(540,10))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(3)