unity 旋转两种方法
transform.Rotate(new Vector3(0, 10, 10)*speed*Time.deltaTime); // 物体绕x轴、y轴、z轴旋转
transform.RotateAround(cube.transform.position, new Vector3(1, 0, 0), speed * Time.deltaTime); //围绕一个物体进行旋转
不骄、不燥、不怨、不怒
transform.Rotate(new Vector3(0, 10, 10)*speed*Time.deltaTime); // 物体绕x轴、y轴、z轴旋转
transform.RotateAround(cube.transform.position, new Vector3(1, 0, 0), speed * Time.deltaTime); //围绕一个物体进行旋转