unity画线

资源下载链接 http://download.youkuaiyun.com/download/tianyongheng/10161640

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

public class DrawWay:MonoBehaviour{
    private LineRenderer line;
    private void Awake()
    {

        //OnDrawLine(new Vector3[] { Vector3.forward*2,Vector3.forward*8}, new Color(65f / 255f, 231f, 32f / 255f), true);
    }
    private void OnEnable()
    {
        //OnDrawLine(new Vector3[] { Vector3.forward * 2, Vector3.forward * 8 }, new Color(65f / 255f, 231f, 32f / 255f), true);
    }
    private void OnDisable()
    {
        //HindLine();
    }

    void  NewLine(bool isMat,Color color)
    {
        if (line==null)
        {
            Material mat ;
            if (isMat)
            {
                mat = Resources.Load<Material>("Line/line");
            }
            else
            {
                mat = new Material(Shader.Find("GUI/Text Shader"));
            }
            GameObject go = new GameObject();
            go.transform.SetParent(transform);
            go.AddComponent<LineRenderer>();
            LineRenderer newLine = go.GetComponent<LineRenderer>();
            newLine.SetWidth(0.5f, 0.5f);
            newLine.SetColors(color, color);
            Material material = new Material(mat);
            newLine.material = mat;
            newLine.textureMode = LineTextureMode.RepeatPerSegment;
            go.name = "line";
            line = newLine;
        }          
    }
    /// <summary>
    /// /画线
    /// </summary>
    /// <param name="pos">关键点</param>
    /// <param name="clor">线的颜色</param>
    /// <param name="isNeedMat">是否用自定义贴图 自定义材质是在Resources/Line/line.mat 其中材质贴图是绘制线的样式</param>
 public   void OnDrawLine(Vector3[] pos, Color clor = new Color(),bool isNeedMat=false)
    {
        NewLine(isNeedMat,clor);
       List<Vector3>way= iTween.GetCrvePaths(pos);
        if (way.Count > 0 )
        {
            line.SetVertexCount(way.Count);

            for (int i = 0; i < way.Count; i++)
            {
                line.SetPosition(i, way[i]);
            }
        }
    }

    /// <summary>
    /// 隐藏不销毁画出的线
    /// </summary>
    public void HindLine()
    {
        if (line)
        {
            line.SetVertexCount(0);
        }
    }
    /// <summary>
    /// 销毁画线
    /// </summary>
    public void DestoryLine()
    {
        if (line)
        {
            Destroy(line.gameObject);
        }
    }

}