// Instantiates a projectile off every 0.5 seconds,
// if the Fire1 button (default is ctrl) is pressed.

var projectile : GameObject;
var fireRate = 0.5;
private var nextFire = 0.0;

function Update () {
if (Input.GetButton ("Fire1") && Time.time > nextFire) {
nextFire = Time.time + fireRate;
var clone = Instantiate (projectile, transform.position, transform.rotation);
}
}

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
public GameObject projectile;
public float fireRate = 0.5F;
private float nextFire = 0.0F;
void Update() {
if (Input.GetButton("Fire1") && Time.time > nextFire) {
nextFire = Time.time + fireRate;
System.Object clone = Instantiate(projectile, transform.position, transform.rotation);
}
}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

public projectile as GameObject

public fireRate as single = 0.5F

private nextFire as single = 0.0F

def Update():
if Input.GetButton('Fire1') and (Time.time > nextFire):
nextFire = (Time.time + fireRate)
clone as System.Object = Instantiate(projectile, transform.position, transform.rotation)