unity LineRenderer

using UnityEngine;

using System.Collections;

public class Spider:MonoBehaviour {

    private LineRenderer _lineRenderer;

    void Start() {

        _body=GetComponent<Rigidbody2D>();

        _lineRenderer=gameObject.AddComponent<LineRenderer>();

        _lineRenderer.SetVertexCount();

        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(,new Vector3(0,0,));

        _lineRenderer.SetPosition(,new Vector3(100,0,));

    }

}