What am I doing wrong

Questions & Answers
1

I just tried to convert the following script, http://wiki.unity3d.com/index.php/ShootingWeaponScript

from C# to Java script and I got everything working except for one part and I am not sure what I am doing wrong. Here is the code that I am working with.

var projecile : Rigidbody;
var speed = 20;
var  projMuzzleVelocity : float = 6.0; // in metres per second

var  RateOfFire 	: float = 6.0;
var  Inaccuracy 	: float = 6.0;
var  fireTimer 		: float = 6.0;

function Start()
{
	fireTimer = Time.time + RateOfFire;
}

function Update () 
{
	if( Input.GetButtonUp("Fire1"))
	{
		Debug.DrawLine(transform.position, transform.position + transform.forward, Color.red);
		if (Time.time> fireTimer)
		{
			//GameObject.projectile;
			var muzzleVelocity : Vector3 = transform.forward;
			
			if (Inaccuracy != 0)
			{
				var rand : Vector2 = Random.insideUnitCircle;
				muzzleVelocity += new Vector3(rand.x, rand.y, 0) * Inaccuracy;
			}
			
			muzzleVelocity = muzzleVelocity.normalized * projMuzzleVelocity;
			//Debug.Log("Fire1");
			clone = Instantiate(projecile, transform.position, transform.rotation);
			
			//clone.velocity = transform.TransformDirection(muzzleVelocity);
			clone.velocity = transform.TransformDirection(Vector3(0,0,speed));
			fireTimer = Time.time + RateOfFire;
			Destroy(clone.gameObject,1.5);
		}
	}
	 
}

So I have tracked the problem to the following line but I am not sure how to make this work.

clone.velocity = transform.TransformDirection(Vector3(0,0,speed));

If I make the above like this

clone.velocity = transform.TransformDirection(muzzleVelocity);

everything will work but the player will only shot in one direction. So for example they will always shoot forward, even if they are standing backwards. Like I stated before I am pretty sure that it has something to do with how I am using muzzleVelocity but I am not sure that I am doing wrong.

2

You should be able to use transform.forward to get the direction the object is facing.

clone.velocity = transform.forward * muzzleSpeed;

The forward property is a unit length vector, so you can just multiply that by the speed in order to create the desired velocity vector.