save project

snake.py

 import pygame
 from pygame import locals
-
+import random
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
@@ -12,9 +12,16 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+left = pygame.image.load('left.png')
+down = pygame.image.load('down.png')
+up = pygame.image.load('up.png')
+my_font=pygame.font.Font('neuropol.ttf',18)
+Score=0
 x,y=240,120
+apple_x=360
+apple_y=300
 setheading="right"
-
+snake_head=right
 position = [(180,90),(180,120),(210,120),(x,y)]
 while True:
     for event in pygame.event.get():
@@ -24,12 +31,16 @@ while True:
         if event.type==locals.KEYDOWN:
             if event.key==locals.K_d and setheading !="left":
                 setheading = "right"
+                snake_head = right
             if event.key==locals.K_a and setheading !="right":
                 setheading = "left"
+                snake_head = left
             if event.key==locals.K_w and setheading !="down":
                 setheading = "up"
+                snake_head = up
             if event.key==locals.K_s and setheading !="up":
                 setheading = "down"
+                snake_head = down
     if setheading == "right":
         x+=30
     elif setheading == "left":
@@ -39,16 +50,30 @@ while True:
     else:
         y+=30
     position.append((x,y))
-    position.pop(0)
+    if x==apple_x and y==apple_y:
+        num1=random.randint(1,22)
+        num2=random.randint(1,16)   
+        apple_x = num1 * 30 - 30
+        apple_Y = num2 * 30 - 30
+        Score +=10
+    else:
+
+        position.pop(0)
+    if x<0 or x>660 or y<0 or y>480:
+        exit()
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, position[-1])
+    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])
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    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)
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