save project

snake.py

@@ -23,7 +23,6 @@ x,y = 240,120
 position = [(180,90),(180,120),(210,120),(x,y)]
 apple_x=360
 apple_y=300
-
 setheading = 'right'
 snake_head = right
 
@@ -57,8 +56,11 @@ while True:
 
     position.append((x,y))
     if apple_x == x and apple_y == y:
-        apple_y = random.randint(0,480)
-        apple_x = random.randint(0,660)
+        num1 = random.randint(0,21)
+        num2 = random.randint(0,15)
+        apple_x = 30*num1
+        apple_y = 30*num2
+    else:
         position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))