using UnityEngine;
public class CameraRotateFollowFinger : MonoBehaviour {
bool isRotating = false;
public GameObject player;
/// <summary>
/// 旋转速度
/// </summary>
public float speed = 100;
void Update () {
RotateView();
}
void RotateView()
{
if (Input.GetMouseButtonDown(0))
{
isRotating = true;
//unity Input内部维护虚拟的鼠标指针,在有触摸的时候才更新,如果抬起来的话,第一帧的偏移量特别大,把第一帧return掉
//return 防止手指抬起之后的第一帧偏移量过大,摄像机会回到默认位置
return;
}
if (Input.GetMouseButtonUp(0))
{
isRotating = false;
}
if(isRotating)
{
transform.RotateAround(player. transform.position,Vector3.up,Time.deltaTime* speed * Input.GetAxis("Mouse X"));
}
}
}