save project

snake.py

@@ -54,12 +54,11 @@ while True:
     else:
         y += 30
     position.append((x, y))
-
     if x == apple_x and y == apple_y:
         num1 = random.randint(1,22)
         num2 = random.randint(1,16)
-        apple_x=30*num1-30
-        apple_y=30*num2-30
+        apple_x=num1*30-30
+        apple_y=num2*30-30
     else:
         position.pop(0)
     # 将背景图画上去
@@ -71,7 +70,8 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(3)
+    
\ No newline at end of file