Delta Time

Code snippet

using UnityEngine;
using System.Collections;

public class UsingDeltaTime : MonoBehaviour
{
    public float speed = 8f; 
    public float countdown = 3.0f;

    
    void Update ()
    {
        countdown -= Time.deltaTime;
        if(countdown <= 0.0f)
            light.enabled = true;
        
         if(Input.GetKey(KeyCode.RightArrow))
            transform.position += new Vector3(speed * Time.deltaTime, 0.0f, 0.0f);
    }   
}

#pragma strict

public var speed : float = 8f;
public var countdown : float = 3f;

function Update ()
{
    countdown -= Time.deltaTime;
    if(countdown <= 0.0f)
        renderer.material.color = Color.red;

    if(Input.GetKey(KeyCode.RightArrow))
        transform.position += new Vector3(speed * Time.deltaTime, 0.0f, 0.0f);

}

import UnityEngine
import System.Collections


public class UsingDeltaTimes(MonoBehaviour):

    public speed as single = 8.0F
    public countdown as single = 3.0F

    private def Update():
        countdown -= Time.deltaTime
        if countdown <= 0.0F:
            renderer.material.color = Color.red
        if Input.GetKey(KeyCode.RightArrow):
            transform.position += Vector3((speed * Time.deltaTime), 0.0F, 0.0F)