// Adds a lineRenderer to this transform and
// makes the line renderer to fade at the end.

var c1 : Color = Color.white;
var c2 : Color = Color(1,1,1,0);

function Start() {
var lineRenderer : LineRenderer = gameObject.AddComponent(LineRenderer);
lineRenderer.material = new Material (Shader.Find("Particles/Additive"));
lineRenderer.SetColors(c1, c2);
}

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
public Color c1 = Color.white;
public Color c2 = new Color(1, 1, 1, 0);
void Start() {
LineRenderer lineRenderer = gameObject.AddComponent<LineRenderer>();
lineRenderer.material = new Material(Shader.Find("Particles/Additive"));
lineRenderer.SetColors(c1, c2);
}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

public c1 as Color = Color.white

public c2 as Color = Color(1, 1, 1, 0)

def Start():
lineRenderer as LineRenderer = gameObject.AddComponent[of LineRenderer]()
lineRenderer.material = Material(Shader.Find('Particles/Additive'))
lineRenderer.SetColors(c1, c2)