using UnityEngine;using System.Collections;public class Spider:MonoBehaviour {    private LineRenderer _lineRenderer;    void Start() {        _body=GetComponent
     
      ();        _lineRenderer=gameObject.AddComponent
      
       ();        _lineRenderer.SetVertexCount(2);        Material material=new Material(Shader.Find("Sprites/Default"));        material.color=Color.white;        _lineRenderer.material=material;//要设置材质否则看不到颜色变化，永远是紫色        _lineRenderer.SetColors(Color.white,Color.white);        _lineRenderer.SetWidth(0.01f,0.01f);//设置为1个像素时，需要设置主相机适合设计分辨率        _lineRenderer.SetPosition(0,new Vector3(0,0,0));        _lineRenderer.SetPosition(1,new Vector3(100,0,0));       }}