How to repeat a coroutine with an event?

Questions & Answers
1

Firstly, I am unsure whether “repeat” is the right terminology (feel free to correct me on that). Secondly, I am making a waypoint-based navigation for NavMesh agent to follow. The problem is that I am using a timer (i.e WaitForSeconds) to assign the waypoint to the agent (if I don’t do this the loop will run just 1 frame and the agent just moves to the last waypoint).

Here is the pseudocode of what I was want to do:

if (agent reaches a waypoint)
{
       agent.setDestination(nextWaypoint);
}

But I do not know how to do this.

Here is what I have so far:

IEnumerator wayPointPicker()
{
	for (int i = 0; i < waypoint.wayPointPositionList.Length; i++)
	{
			opponentAgent.SetDestination(waypoint.wayPointPositionList*);*

  •  	yield return new WaitForSeconds(timer);*
  • }*
    }
    If you need more information to go on for I will try my best to supply.
    I will be very grateful if you can type a code snippet along with your explanation - preferably in C# but I can make do with JavaScript.
    Also if you have another method on tackling waypoints - feel free to share! I find techniques on solving the same problems fascinating!
    Thanks for taking the time to read this far!
2

I’m not entirely sure if the destination gets cleared when an agent reaches its destination, but if it does, a check of opponentAgent.HasDestination() could be used to check if they’ve made it to the waypoint.

3

Im not sure if this is what you are after, but I use the child’s/monkey’s approach, it seems (For a predefined path).

Here’s some snippets.

The first is the OnDrag routine which records my swipe across a RenderTexture from an overhead camera.

The Second is the simple timed stepping through the elements of the created List containing the points, and a Lerp to project my spaceship through the path.

Its pretty crude but you should be able to see how it works.

	function OnDrag(data : PointerEventData)
	{
		if(enlarged)
		{
			didDrag = true;
			var hitR : RaycastHit;
			var maskL : LayerMask = 1 << 14;
			var rayTouch : Ray = myCam.ScreenPointToRay(data.position);
			if(Physics.Raycast(rayTouch, hitR, Mathf.Infinity, maskL))
			{
				this.playerPath.Add(Vector3(hitR.point.x, 10, hitR.point.z));
			}
		}
	}

	function FixedUpdate ()
	{
		nextPos = lastPos + 1;
		if(getPath)
		{
			GetPath(); //Returns playerPath List
			getPath = false;
			followPath = true;
		}
		if(followPath && nextPos < myPath.Count)
		{
			timer += Time.deltaTime;
			if(timer > timerMax)
			{
				lastPos += 1;
				timer = 0.0;
				if(!firstPosHit) firstPosHit = true;
			}
			var t : float = timer / timerMax;
			var temp1 : Vector3 = Vector3(myPath[lastPos].x, 10, myPath[lastPos].z);
			var temp2 : Vector3 = Vector3(myPath[nextPos].x, 10, myPath[nextPos].z);
			
			if(!firstPosHit)
			{
				transform.position = Vector3.Lerp(transform.position, temp1, t);
			}
			else transform.position = Vector3.Lerp(temp1, temp2, t);
		}
		else followPath = false;
		//Debug.Log(temp1+"    "+temp2);
	}