save project

snake.py

@@ -22,7 +22,7 @@ head='right'
 fps=pygame.time.Clock()
 a_x=360
 a_y=300
-myfont=pygame.font.Font(neuropol.ttf)
+myfont=pygame.font.Font('neuropol.ttf',18)
 score=0
 while True:
     for event in pygame.event.get():
@@ -55,11 +55,14 @@ while True:
     if x==a_x and y==a_y:
         a_x=random.randint(0,21)*30
         a_y=random.randint(0,15)*30
-        score+=1
+        score+=100
     else:
         pos.pop(0)
     if x<0 or x>630 or y<0 or y>450:
         exit()
+    for i,j in pos[:-1]:
+        if x==i and y==j:
+            exit()
     # 将背景图画上去
     screen.blit(background,(0,0))
     # 将贪吃蛇画上去
@@ -69,7 +72,7 @@ while True:
         screen.blit(body,pos[i])
     # 将果实画上去
     screen.blit(food,(a_x, a_y))
-    tdxt=myfont.render('Score:'+str(score),True,(0,0,0))
+    text=myfont.render('Score:'+str(score),True,(0,0,0))
     screen.blit(text,(540,10))
     # 刷新画面
     pygame.display.update()