Shotgun spread effect

Unity Engine
1

I’m currently making a top down shooter and I’m having trouble with trying to figure out how to get bullets to have a “shotgun spread” effect. To explain in more detail, lets take a look at the code.

function FireBullet()
{
	//Instantiate bullets
	var bullet1 = Instantiate(bullet, spawnBulletPosition[0].position, Quaternion.LookRotation(lookDir)) as GameObject;
	var bullet2 = Instantiate(bullet, spawnBulletPosition[1].position, Quaternion.LookRotation(lookDir)) as GameObject;
	var bullet3 = Instantiate(bullet, spawnBulletPosition[2].position, Quaternion.LookRotation(lookDir)) as GameObject;
	//Set tmpFireTime to 0
	tmpFireTime = 0;
	//If the sound is playing
	if (!audio.isPlaying)
	{
		//Play laser sound
		audio.clip = audioLaser;
		audio.Play();
	}
}

With the above code, the 3 bullets are firing in a perfect straight line. My question is, how do i get those bullets to slightly curve in or out or just take slightly different paths? It doesn’t necessarily have to be random, but it can be. I was trying to mess with Quaternion.LookRotation(lookDir)) but I have no idea what to do with it or what else I could use.

2

Nobody?? I’ve been stuck on this for hours upon hours…It’s the only thing holding me back right now. =/

3

here you go, from my own script. It’s for a FPS but I’m sure you can alter it.
BTW it can work for more than a shotgun, can also be general recoil.

C#

    void  ShootReg (){
        Transform trf = transform; // a little optimization
        RaycastHit hit;
        Quaternion hitRotation = Quaternion.FromToRotation(Vector3.up, hit.normal);
        Transform cam = Camera.main.transform;
        Ray ray = new Ray(cam.position, cam.forward);
    
	    audio.Play();
    
        ray.direction.x += Random.Range(-CurrentSpreadF, CurrentSpreadF);
        ray.direction.y += Random.Range(-CurrentSpreadF, CurrentSpreadF);
        ray.direction.z += Random.Range(-CurrentSpreadF, CurrentSpreadF);
 
        if(Physics.Raycast (ray, out hit, Distance)){

JS

function ShootReg(){
    var trf = transform; // a little optimization
    var hit : RaycastHit;
    var hitRotation = Quaternion.FromToRotation(Vector3.up, hit.normal);
    var cam : Transform = Camera.main.transform;
    var ray = new Ray(cam.position, cam.forward);
    
    ray.direction.x += Random.Range(-CurrentSpreadF, CurrentSpreadF);
    ray.direction.y += Random.Range(-CurrentSpreadF, CurrentSpreadF);
    ray.direction.z += Random.Range(-CurrentSpreadF, CurrentSpreadF);
 
        if(Physics.Raycast (ray, hit, RayCastDist)){