using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class TrackPoint : MonoBehaviour
{
    private void OnDrawGizmos()
    {
        var position = transform.position;
        var tan1 = GetBackwardTan();
        var tan2 = GetForwardTan();
        
        Gizmos.color = Color.black;
        Gizmos.DrawLine(position, tan1);
        Gizmos.DrawLine(position, tan2);
        
        Gizmos.color = Color.cyan;
        Gizmos.DrawSphere(tan1, 0.05f);
        Gizmos.DrawSphere(tan2, 0.05f);
    }

    private void OnDrawGizmosSelected()
    {
        Gizmos.color = Color.blue;
        Gizmos.DrawSphere(transform.position, 0.2f);
    }

    public float GetTanLength()
    {
        return transform.localScale.z;
    }

    public Vector3 GetForwardTan()
    {
        var t = transform;
        return t.position + t.forward * GetTanLength();
    }
    
    public Vector3 GetBackwardTan()
    {
        var t = transform;
        return t.position - t.forward * GetTanLength();
    }
}