LineRendererTest1-1.cs

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

public class LineRendererTest1-1 : MonoBehaviour {

	private LineRenderer lr;
	private Renderer rn;
	// Use this for initialization
	void Start () {
		lr = GetComponent<LineRenderer>();
		lr.SetVertexCount(4);
		lr.SetWidth(0.2f,0.2f);
		AnimationCurve curve = new AnimationCurve();
		curve.AddKey(0.0f, 0.2f);
         curve.AddKey(0.2f, 0.2f);
		 lr.widthCurve = curve;
		 lr.SetPosition(0,new Vector3(-7.0f,-2.0f,25.0f));
		lr.SetPosition(1,new Vector3(14.0f,-2.0f,25.0f));
		lr.SetPosition(2,new Vector3(-7.0f,-2.0f,25.0f));
		lr.SetPosition(3, new Vector3(-7.0f,15.0f,25.0f));
		rn = GetComponent<Renderer>();
		//rn.material.SetColor("_Color",new Color(246,255,0,255));
		rn.material.SetColor("_Color",new Color(0.5f,0.7f,1.0f,1));
	}
	
	// Update is called once per frame
	void Update () {
		
	}
}