Error in Spawning code

Questions & Answers
1

So here's the code

var enemy : GameObject;
function Start () 
{
    while (true)
    {
        Instantiate (enemy, Vector3 (Random.Range (-20, 20), Random.Range (-20, 20), transform.position.z),
            transform.position, transform.rotation);
        yield WaitForSeconds (3);

    }
}

and here's the error

Assets/Enemy/spawning.js(6,29): BCE0023: No appropriate version of 'UnityEngine.Object.Instantiate' for the argument list '(UnityEngine.GameObject, UnityEngine.Vector3, UnityEngine.Vector3, UnityEngine.Quaternion)' was found.

Any help?

2

The instantiate function expects a GameObject, followed by a Vector3, followed by a Quaternion for it's arguments. You have specified a GameObject, a Vector3, another Vector3, and a Quaternion.

I think in your case you should delete the transform.position (your 3rd argument). So your code will look like this:

Instantiate (enemy, Vector3 (Random.Range (-20, 20), Random.Range (-20, 20),
 transform.position.z), transform.rotation);