save project

snake.py

@@ -22,7 +22,7 @@ apple_x=360
 apple_y=300
 
 setheading="right"  #头部初始变量
-snack_head=right  #头部初始朝向
+snake_head=right  #头部初始朝向
 
 while True:
     for event in pygame.event.get():  #遍历事件
@@ -31,16 +31,16 @@ while True:
         elif event.type==locals.KEYDOWN:
             if event.key==locals.K_RIGHT and setheading!='left':
                 setheading='right'
-                snack_head=right
+                snake_head=right
             if event.key==locals.K_LEFT and setheading!='right':
                 setheading='left'
-                snack_head=left
+                snake_head=left
             if event.key==locals.K_UP and setheading!='down':
                 setheading='up'
-                snack_head=up
+                snake_head=up
             if event.key==locals.K_DOWN and setheading!='up':
                 setheading='down'
-                snack_head=down  #判断按键
+                snake_head=down  #判断按键
     if setheading=='right':
         x+=30
     elif setheading=='left':
@@ -51,8 +51,11 @@ while True:
         y+=30  #移动
     position.append((x,y))
     if x==apple_x and y==apple_y:
-        apple_x=random.randint(0,660)
-        apple_y=random.randint(0,480)
+        num1=random.randint(0,22)
+        num2=random.randint(0,16)
+        apple_x=num1*30-30
+        apple_y=num2*30-30
+    else:
         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