save project

snake.py

 import pygame
 from pygame import locals
-# 初始化pygame，为使用pygame做准备
+import random# 初始化pygame，为使用pygame做准备
 pygame.init()
 
 # 创建一个窗口
@@ -10,9 +10,17 @@ 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')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+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
+score = 0
 setheading = "right"
+snake_head = right
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -20,12 +28,20 @@ while True:
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT and setheading != "left":
                 setheading = 'right' 
+                snake_head = right
+
             if event.key == locals.K_LEFT and setheading != "right":
                 setheading = 'left'
+                snake_head = left
+
             if event.key == locals.K_UP and setheading != "down":
                 setheading = 'up' 
+                snake_head = up
+            
             if event.key == locals.K_DOWN and setheading != "up":
                 setheading = 'down'
+                snake_head = down
+             
     if setheading == "right":           
         x +=30
     elif setheading == "left":           
@@ -35,11 +51,20 @@ while True:
     else:
         y +=30       
     position.append((x,y))
+    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 
+    else:
         position.pop(0)
     screen.blit(background,(0,0))
     screen.blit(right, position[-1])
-
+    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))
     for i in range(len(position)-1):
         screen.blit(body,position[i])  
     pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(7)
\ No newline at end of file