test/Assets/PerfectWorld/Scripts/Camera/CameraController.cs

using Unity.Cinemachine;
using UnityEngine;
using UnityEngine.EventSystems;

namespace BrewMonster
{
    public class CameraController : MonoBehaviour, IPointerDownHandler, IPointerUpHandler, IDragHandler
    {
        [SerializeField]private CinemachineCamera _cinemachineCamera;
        [SerializeField]private CinemachineOrbitalFollow orbital;
        private Vector2 currentPos;
        private bool fingerDown = false;
        Vector2 delta = Vector2.zero;  
        public float minSwipeDistance = 10f;
        public float speedX = 1f;
        public float speedY = 1f;

        public void OnDrag(PointerEventData eventData)
        {
            delta = eventData.position - currentPos;

            if (delta.magnitude >= minSwipeDistance)
            {
                orbital.HorizontalAxis.Value += delta.normalized.x * speedX * Time.deltaTime;
                //orbital.HorizontalAxis.Value = Mathf.Clamp(orbital.HorizontalAxis.Value, -360f, 360f);
                orbital.VerticalAxis.Value += delta.normalized.y * speedY * Time.deltaTime;
                orbital.VerticalAxis.Value = Mathf.Clamp(orbital.VerticalAxis.Value, -360f, 360f);
            }
            currentPos = eventData.position;
        }

        public void OnPointerDown(PointerEventData eventData)
        {
            currentPos = eventData.position;
            fingerDown = true;
        }

        public void OnPointerUp(PointerEventData eventData)
        {
            fingerDown = false;
        }

        private void Update()
        {
            //todo: should not always update
            if (_cinemachineCamera.Follow == null && CECGameRun.Instance.GetHostPlayer() != null)
            {
                _cinemachineCamera.Follow = CECGameRun.Instance.GetHostPlayer().transform;
                _cinemachineCamera.ForceCameraPosition(CECGameRun.Instance.GetHostPlayer().transform.position, Quaternion.identity);
                orbital.HorizontalAxis.Value = 208;
                orbital.VerticalAxis.Value = -268;
            }
        }
    }
}