using UnityEngine;

public class CameraController : MonoBehaviour
{
    public float SensitivityX;
    public float SensitivityY;

    public float MinXClamp;
    public float MaxXClamp;

    public Vector3 CameraOffset;

    public float CameraOffsetLength;

    public Transform Character;
    public LayerMask PlayerLayer;

    public float Smoothness;

    [HideInInspector]
    public Quaternion CameraDirection;

    float x;
    float y;

    private void Update()
    {
        x -= Input.GetAxisRaw("Mouse Y") * SensitivityX;
        y += Input.GetAxisRaw("Mouse X") * SensitivityY;

        x = Mathf.Clamp(x, MinXClamp, MaxXClamp);

        CameraDirection = Quaternion.Euler(x, y, 0);

        transform.rotation = CameraDirection;

        RaycastHit hit;
        if (Physics.Raycast(Character.position + CameraOffset, -transform.forward, out hit, CameraOffsetLength , PlayerLayer))
        {
            float c = hit.distance - CameraOffsetLength * 0.1f;
            transform.position = (Character.position + CameraOffset) + -transform.forward * c;
        }
        else
            transform.position = Character.position + CameraOffset + (-transform.forward * CameraOffsetLength);
    }
}