UnityTouchAndMouseMove

CharacterController

using UnityEngine;

namespace PhotonTest
{
    public class CharacterController : MonoBehaviour
    {
        private Vector3 _destination;
        private RaycastHit _raycastHit;
        private Vector3 _touch;
        public float MoveSpeed;
        private bool _moving;
        // Use this for initialization
        private void Start()
        {
            _moving = false;
        }

        // Update is called once per frame
        private void Update()
        {
#if UNITY_EDITOR || UNITY_STANDALONE
            if (Input.GetMouseButtonDown(0))
            {
                _moving = true;
            }
            else if (Input.GetMouseButtonUp(0))
            {
                _moving = false;
            }

            _touch = Input.mousePosition;

#elif UNITY_ANDROID || UNITY_IOS
            
            if (Input.touchCount > 0)
            {
                var pos = Input.GetTouch(0).position; 
                _touch = new Vector3(pos.x, pos.y, 0.0f); 
                _moving = Input.GetTouch(0).phase != TouchPhase.Ended;
            } 
#endif

            if (!_moving) return;
            if (!Physics.Raycast(Camera.main.ScreenPointToRay(_touch), out _raycastHit, Mathf.Infinity)) return;
            _destination = _raycastHit.point;
            transform.Translate((_destination - transform.position).normalized * MoveSpeed * Time.deltaTime);
        }
    }
}