function Update () {
// Animates main texture scale in a funky way!
var scaleX : float = Mathf.Cos (Time.time) * 0.5 + 1;
var scaleY : float = Mathf.Sin (Time.time) * 0.5 + 1;
renderer.material.mainTextureScale = Vector2 (scaleX,scaleY);
}

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
void Update() {
float scaleX = Mathf.Cos(Time.time) * 0.5F + 1;
float scaleY = Mathf.Sin(Time.time) * 0.5F + 1;
renderer.material.mainTextureScale = new Vector2(scaleX, scaleY);
}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

def Update():
scaleX as single = ((Mathf.Cos(Time.time) * 0.5F) + 1)
scaleY as single = ((Mathf.Sin(Time.time) * 0.5F) + 1)
renderer.material.mainTextureScale = Vector2(scaleX, scaleY)