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

public class Route : MonoBehaviour
{
    private Vector2 Interval = new Vector2(0, 0.05f);
    public List<Material> ListLineMat;
    /// <summary>
    /// 旋转方向
    /// </summary>
    public Transform Point;
    public Vector3 EndPos;
    public Vector3 StartPos;

    public Material material_High;
    private Material material;
    private MeshRenderer meshRenderer;
    private Vector2 offset;

    void Start()
    {
        meshRenderer = this.GetComponent<MeshRenderer>();
        material = meshRenderer.material;
        offset = Vector2.zero;

        StartCoroutine(SetOffset());
       
    }

    void Update()
    {
       
    }

    private IEnumerator SetOffset()
    {
        while(true)
        {
            yield return new WaitForSeconds(0.04f);
            offset -= Interval;
            material.SetTextureOffset("_MainTex", offset);
            material_High.SetTextureOffset("_MainTex", offset);
        }
    }

    private IEnumerator setMaterial()
    {
        yield return new WaitForSeconds(0.3f);
        //  meshRenderer.material = material_High;
        material.SetTextureScale("_MainTex", new Vector2(1, transform.localScale.z/transform.localScale.x));
    }

    public void setHighLight( bool isHigh)
    {
        // material.
        if (isHigh)
            meshRenderer.material = material_High;
        else
            meshRenderer.material = material;
        

    }

    /// <summary>
    ///  设置Route 位置 长度 朝向 旋转
    /// </summary>
    /// <param name="endPos"></param>
    /// <param name="exitPos"></param>
    public void SetRoute(Vector3 endPos, Vector3 startPos, int Index)
    {
        this.GetComponent<MeshRenderer>().material = ListLineMat[Index];
        if (material == null)
            material = this.GetComponent<MeshRenderer>().material;
        this.EndPos = endPos;
        this.StartPos = startPos;
        //   Debug.Log("Route    " + endPos + "    " + exitPos);
        transform.localScale += new Vector3(0, 0, Mathf.Abs(Vector3.Distance(EndPos, StartPos)) / 12 - (transform.localScale.x * 2));
        material.SetTextureScale("_MainTex", new Vector2(1, Mathf.Abs(Vector3.Distance(EndPos, StartPos)) * 1.5f));
        transform.localPosition = (StartPos + EndPos) / 2.0f;
        Point.localPosition = StartPos + new Vector3(0, transform.localPosition.y, 0);
        transform.LookAt(Point);
    }

    /// <summary>
    ///  设置Route 位置 长度 朝向 旋转
    /// </summary>
    /// <param name="endPos"></param>
    /// <param name="exitPos"></param>
    public void SetRoute(Vector3 endPos, Vector3 startPos, int Index , Transform point)
    {
        this.GetComponent<MeshRenderer>().material = ListLineMat[Index];
        if (material == null)
            material = this.GetComponent<MeshRenderer>().material;
        this.EndPos = endPos;
        this.StartPos = startPos;
        //   Debug.Log("Route    " + endPos + "    " + exitPos);
       // transform.localScale += new Vector3(0, 0, Mathf.Abs(Vector3.Distance(EndPos, StartPos)) / 12 - (transform.localScale.x * 2));

        // 根据世界场景的尺寸进行换算比例 
        transform.localScale = new Vector3(transform.localScale.x, transform.localScale.y, Mathf.Abs(Vector3.Distance(EndPos, StartPos) / 4)- transform.localScale.x * 2);

        material.SetTextureScale("_MainTex", new Vector2(1, Mathf.Abs(Vector3.Distance(EndPos, StartPos)) * 1.5f));
        transform.position = (StartPos + EndPos) / 2.0f;

        //transform.LookAt(point);
        StartCoroutine(setMaterial());

    }

    /// <summary>
    /// 3DMapRoute
    /// </summary>
    /// <param name="endPos"></param>
    /// <param name="exitPos"></param>
    public void SetMapRoute()
    {
        if (material == null)
            material = this.GetComponent<MeshRenderer>().material;
        material.SetTextureScale("_MainTex", new Vector2(1, 2f));
    }
    public void SetMapRoute(Vector3 endPos, Vector3 exitPos)
    {
        if (material == null)
            material = this.GetComponent<MeshRenderer>().material;
        material.SetTextureScale("_MainTex", new Vector2(1, Mathf.Abs(Vector3.Distance(endPos, exitPos)) * 0.7f));
    }
}