save project

snake.py

@@ -56,10 +56,12 @@ while True:
     position.append((x, y))
 
     if x==apple_x and y==apple_y:
-        apple_x =random.randint(0,660)
-        apple_y =random.randint(0,480)
-
-    position.pop(0)
+        num1=random.randint(1,22)
+        num2=random.randint(1,16)
+        apple_x = num1*30-30
+        apple_y = num2*30-30
+    else:
+        position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -69,7 +71,7 @@ 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)