/**************************************************************************************************/
//spawn next spike recursivly
public IEnumerator SpawnNextSpike(int num, Vector3 dir)
{
yield return(new WaitForSeconds(.2f)); //a little delay
if (num != 0)
{
EntSpike temp = Instantiate(this.gameObject, transform.position + dir, transform.rotation).GetComponent <EntSpike>(); //spawn spike
StartCoroutine(temp.SpawnNextSpike(num - 1, dir)); //start coroutine of next spike to spawn another in direction
}
StopCoroutine(SpawnNextSpike(num, dir)); //stop this coroutine
}
/**************************************************************************************************/
//spawns a spike on ground and the number that will spawn in a direction
public void SpawnSpike()
{
Vector3 rayOrigin = transform.position + direction * -5; //origin for ray
RaycastHit2D hit = Physics2D.Raycast(rayOrigin, Vector2.down, 10, collisionMask); //raycast
//Debug.DrawRay(rayOrigin, Vector2.down * 10, Color.yellow, 5);
if (hit)
{
Vector2 spikeOrigin = hit.point + Vector2.up * 1.25f; //origin for spike
EntSpike temp = Instantiate(spike, spikeOrigin, transform.rotation).GetComponent <EntSpike>(); //instantiate spike
StartCoroutine(temp.SpawnNextSpike(4, direction * -3)); //start coroutine to spawn 4 spike 3 apart
}
}