using UnityEngine;

public class CameraFollow : MonoBehaviour
{
    [SerializeField] private Transform target;
    [SerializeField] private Vector3 offset = new Vector3(0f, 18f, -10f);
    [SerializeField] private Vector3 rotationEuler = new Vector3(65f, 0f, 0f);
    [SerializeField] private float smoothSpeed = 8f;
    [SerializeField] private float rotationSmoothSpeed = 10f;

    private void Awake()
    {
        // Upgrade the old chase-camera setup to the new top-down view for existing scenes.
        if (offset == new Vector3(0f, 6f, -8f))
        {
            offset = new Vector3(0f, 18f, -10f);
        }
    }

    private void LateUpdate()
    {
        if (target == null)
        {
            return;
        }

        Vector3 desiredPosition = target.position + offset;
        transform.position = Vector3.Lerp(transform.position, desiredPosition, smoothSpeed * Time.deltaTime);
        Quaternion desiredRotation = Quaternion.Euler(rotationEuler);
        transform.rotation = Quaternion.Slerp(transform.rotation, desiredRotation, rotationSmoothSpeed * Time.deltaTime);
    }
}