Unity c# 物体针对指定物体的旋转

using UnityEngine;

public class Example : MonoBehaviour
{

GameObject a,b;

void Update()
{
// 让物体以10度/秒的速度绕着地球原点旋转。.
a.transform.RotateAround(b.transform.position, Vector3.up, 10 * Time.deltaTime);
}