save project

snake.py

-import pygame,random
+import pygame,random,os
 from pygame import locals
+score=0
 # 初始化pygame，为使用pygame做准备
+
+def shuax():
+    global apple_x
+    global apple_y
+    apple_x = 30*random.randint(0,20)
+    apple_y = 30*random.randint(0,16)
 pygame.init()
+my_font = pygame.font.Font('neuropol.ttf',18)
 background = pygame.image.load('bg.png')
 right= pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
@@ -19,6 +27,7 @@ FPSCLOCK = pygame.time.Clock()
 x,y=240,120
 pos=[(180,90),(180,120),(210,120),(x,y)]
 while True:
+
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
@@ -47,20 +56,41 @@ while True:
     elif setheading == "down":    
         y+=30
     if (x,y)==(apple_x,apple_y):
-        print()
-        apple_x = 30*random.randint(0,20)
-        apple_y = 30*random.randint(0,16)
+        shuax()
+        score+=1
+        # os.system('cls')
+        # print('score:'+str(score))
+        if (apple_x,apple_y) in pos:
+            shuax()
     else:   
-        pos.pop(0)
+        pos.pop(0) 
+
+
+    if (x,y) in pos[0:-2]:
+        exit()
+
     pos.append((x,y))        
     screen.blit(background,(0,0))
     screen.blit(snake_head,pos[-1])
     screen.blit(food,(apple_x,apple_y))
     for i in pos[0:-1]:
         screen.blit(body,i)
+
+    info = 'score:'+ str(score)
+    text = my_font.render(info,True,(0,0,0))
+    screen.blit(text,(540,10))
     pygame.display.update()
+    if x>660:
+        (x,y)=(0,y)
+    elif x<0:
+        (x,y) = (680,y)
+    elif y>480:
+        (x,y) = (x,0)
+    elif y<0:
+        (x,y) = (x,480)
     FPSCLOCK.tick(3)
 
+