zuoye6

说明：  1.场景中有灯泡及被照明物体，单击灯泡，开灯；再次单击，关灯。要求灯泡有点亮关闭的外观变化。 2.小球在一个周期内同时变色和正弦移动。
(1.In the scene, there are light bulbs and illuminated objects, click on the light bulb, turn on the light; click again, turn off the light. A change in appearance requiring the light bulb to turn on and off a little. 2.The sphere changes color and moves sinusoidally in one cycle.)