//********************************************************//
//                                                        //
//   Copyright © All rights reserved. MyNameIsVoo. 2020.  //
//                                                        //
//                  COPYING FORBIDEN                      //
//                                                        //
//********************************************************//

using UnityEngine;

/// <summary>
/// Sway background or camera - it's easy
/// </summary>

namespace ICWM
{
    namespace Utility
    {
        public class SwayCamera : MonoBehaviour
        {
            [Header("ATTRIBUTES")]
            [SerializeField] private float amount = 5f;
            [SerializeField] private float maxAmount = 10f;
            [SerializeField] private float smoothMouseLook = 3f;

            private Vector3 startPosition;

            private void Start()
            {
                startPosition = transform.localPosition;
            }

            private void Update()
            {
                float factorX = -Input.GetAxis("Mouse X") * amount;
                float factorY = -Input.GetAxis("Mouse Y") * amount;

                if (factorX > maxAmount)
                    factorX = maxAmount;
                else if (factorX < -maxAmount)
                    factorX = -maxAmount;
                if (factorY > maxAmount)
                    factorY = maxAmount;
                else if (factorY < -maxAmount)
                    factorY = -maxAmount;

                Vector3 final = new Vector3(startPosition.x + factorX, startPosition.y + factorY, startPosition.z);
                transform.localPosition = Vector3.Lerp(transform.localPosition, final, Time.deltaTime * smoothMouseLook);
            }
        }
    }
}