// Start is called before the first frame update
void Start()
{
wayPointNodesManager_ = FindObjectOfType <WayPointNodesManager>();
currentWayPointNode_ = wayPointNodesManager_.GetClosestWayPointNode(transform.position);
body_ = GetComponent <Rigidbody2D>();
}
private void Add(int x, int y)
{
var wayPointNode = new WayPointNode(x, y);
if (_start == null)
{
_last = _start = wayPointNode;
}
else
{
_last = _last.SetNext(wayPointNode);
}
}
//Reset the lost kitten
private void ResetLostKitten()
{
transform.position = startPos;
target = firstWayPointNode;
steeringForce = Vector3.zero;
steering.Speed = 0;
}
//Restart the seeker to the starting position if it collides with
//the target
private void OnTriggerEnter(Collider collider)
{
if (!capturedByPlayer)
{
//If collided with a waypoint, then seek the next waypoint
if (collider.gameObject.tag == "WayPoint")
{
//If it is the last waypoint, then start both
//the player and the lost kitten back at the start position
if (collider.gameObject.GetComponent<WayPointNode>().nextWayPointNode == null)
{
Reset();
}
else
{
target = target.nextWayPointNode;
}
}
}
}
public void Start()
{
//get component reference
characterController = gameObject.GetComponent<CharacterController>();
steering = gameObject.GetComponent<Steering>();
moveDirection = transform.forward;
steering.maxForce = 90;
// tags behave as layers, but are called tags (and can't be used for masks)
obstacles = GameObject.FindGameObjectsWithTag ("Obstacle");
avoidDist = obstacles[0].GetComponent<Dimensions>().Radius + 10;
//Find the player
player = GameObject.FindGameObjectWithTag("Player").GetComponent<Player>();
//Find the mom cat
momCat = GameObject.FindGameObjectWithTag("Mom Cat");
//Assign the target to be the first way point
target = firstWayPointNode;
//Set up everything else
startPos = transform.position;
capturedByPlayer = false;
BehindPointRadius = BehindPoint.GetComponent<SphereCollider>().radius + BEHIND_POINT_RADIUS_OFFSET;
isSearchingForWayPoint = false;
returnedToMomCat = false;
//Make the lost kitten not visible at first
Visibility(false);
}
public WayPointNode SetNext(WayPointNode wayPointNode)
{
return(Next = wayPointNode);
}
// Update is called once per frame
void Update()
{
float distanceToTarget = Vector3.Distance(transform.position, currentWayPointNode_.transform.position);
if (distanceToTarget <= stoppingDistance_)
{
if (clockwise_)
{
currentWayPointNode_ = currentWayPointNode_.GetNextWayPointNode();
}
else
{
currentWayPointNode_ = currentWayPointNode_.GetPreviousWayPointNode();
}
}
else
{
Vector3 dir = (currentWayPointNode_.transform.position - transform.position).normalized;
switch (movementType_)
{
case MovementType.TRANSFORM: {
transform.position += Time.deltaTime * speed_ * dir;
}
break;
case MovementType.BODY_VELOCITY: {
body_.velocity = dir * speed_;
}
break;
case MovementType.BODY_FORCE: {
body_.AddForce(dir);
if (body_.velocity.magnitude > speed_)
{
body_.velocity = body_.velocity.normalized * speed_;
}
}
break;
case MovementType.SEEK_BEHAVIOR: {
Vector2 desiredVelocity =
(currentWayPointNode_.transform.position - transform.position).normalized * speed_;
Vector2 steering = desiredVelocity - body_.velocity;
if (steering.magnitude > maxForce_)
{
steering = steering.normalized * maxForce_;
}
steering /= body_.mass;
body_.AddForce(steering);
if (body_.velocity.magnitude > speed_)
{
body_.velocity = body_.velocity.normalized * speed_;
}
}
break;
case MovementType.PATH_BEHAVIOR: {
Vector2 desiredVelocity =
(currentWayPointNode_.transform.position - transform.position).normalized * speed_;
Vector2 steering = desiredVelocity - body_.velocity;
if (steering.magnitude > maxForce_)
{
steering = steering.normalized * maxForce_;
}
steering /= body_.mass;
body_.AddForce(steering);
float maxSpeed = speed_;
if (distanceToTarget < arrivalDistance_)
{
maxSpeed = Mathf.Lerp(0, maxSpeed, distanceToTarget / arrivalDistance_);
}
if (body_.velocity.magnitude > maxSpeed)
{
body_.velocity = body_.velocity.normalized * maxSpeed;
}
}
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
