NPCMovement.js

#pragma strict

private var stats : Stats;
private var charController : CharacterController;
private var face : FaceDirection;
// Target position
var target : Vector3 = Vector3.zero;
// Denotes whether or not gameobject should move towards target, since target (Vector3) can't be null
var hasTarget : boolean = false;


// Grab the necessary components (stats, controller, face)
function Start () {
	stats = gameObject.GetComponent(Stats);
	charController = gameObject.GetComponent(CharacterController);
	face = gameObject.GetComponent(FaceDirection);
}

// Sets the target, keeping the z at 0
function setTarget(newTarget : Vector3) {
	target = newTarget;
	target.z = 0;
	hasTarget = true;
}

function getHasTarget() {
	return hasTarget;
}

function clearTarget() {
	hasTarget = false;
}

function Update () {
	if(hasTarget) {
		var move : Vector3;
		move = Vector3.MoveTowards(transform.position, target, stats.getMoveSpeed() * Time.deltaTime) - transform.position;
		// Moves the object while detecting collisions
		charController.Move(move);
		// Informs the face of the move
		face.moved(move);
		
		// Arrived at target position
		if (transform.position == target) {
			hasTarget = false;
		}
	}
}