// Fade the color from red to green
// back and forth over the defined duration

var colorStart : Color = Color.red;
var colorEnd : Color = Color.green;
var duration : float = 1.0;

function Update () {
var lerp : float = Mathf.PingPong (Time.time, duration) / duration;
renderer.material.color = Color.Lerp (colorStart, colorEnd, lerp);
}

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
public Color colorStart = Color.red;
public Color colorEnd = Color.green;
public float duration = 1.0F;
void Update() {
float lerp = Mathf.PingPong(Time.time, duration) / duration;
renderer.material.color = Color.Lerp(colorStart, colorEnd, lerp);
}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

public colorStart as Color = Color.red

public colorEnd as Color = Color.green

public duration as single = 1.0F

def Update():
lerp as single = (Mathf.PingPong(Time.time, duration) / duration)
renderer.material.color = Color.Lerp(colorStart, colorEnd, lerp)