using UnityEngine;

public class ViewAlignmentDetector
{
    private readonly Transform _observer;
    private readonly Transform _target;
    private readonly Transform _viewPoint;

    public float positionErrorMargin = 1.0f;
    public float viewErrorMargin = 0.1f;

    public ViewAlignmentDetector(Transform observer, Transform target, Transform viewPoint)
    {
        _observer = observer;
        _target = target;
        _viewPoint = viewPoint;
    }

    public bool IsAligned()
    {
        Vector3 directionToTarget = (_target.position - _observer.position).normalized;
        Vector3 directionToViewPoint = (_viewPoint.position - _observer.position).normalized;
        float distanceToTarget = Vector3.Distance(_observer.position, _target.position);
        float distanceToViewPoint = Vector3.Distance(_observer.position, _viewPoint.position);

        bool isDirectionAligned = Vector3.Dot(directionToTarget, directionToViewPoint) >= (1 - viewErrorMargin);
        bool isDistanceAligned = Mathf.Abs(distanceToTarget - distanceToViewPoint) <= positionErrorMargin;

        return isDirectionAligned && isDistanceAligned;
    }
}