save project

snake.py

@@ -39,6 +39,7 @@ while True:
                 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'
@@ -58,8 +59,8 @@ while True:
     position.append((x,y))
     
     if x==apple_x and y==apple_y:
-        num1=random.randint(0,22)
-        num2=random.randint(0,16)
+        num1=random.randint(1,22)
+        num2=random.randint(1,16)
         apple_x=num1*30-30
         apple_y=num2*30-30
         score+=10
@@ -67,7 +68,7 @@ while True:
         position.pop(0)
     
     screen.blit(background, (0, 0))  #将背景图画上去
-    screen.blit(right,position[-1])  #将贪吃蛇画上去
+    screen.blit(snake_head,position[-1])  #将贪吃蛇画上去
     for i in range(len(position)-1):
         screen.blit(body,position[i])  #将贪吃蛇画上去
     screen.blit(food, (apple_x, apple_y))  #将食物画上去