public override State Update(FSMAgent agent)
{
//Handle Following Pacman
Vector3 pacmanLocation = PacmanInfo.Instance.transform.position;
if (agent.CloseEnough(pacmanLocation))
{
ScoreHandler.Instance.KillPacman();
}
//If timer complete, go to Scatter State
if (agent.TimerComplete())
{
return(new ScatterState(new Vector3(-ObstacleHandler.Instance.Width, -ObstacleHandler.Instance.Height), new CustomHuntState()));
}
//If Pacman ate a power pellet, go to Frightened State
if (PelletHandler.Instance.JustEatenPowerPellet)
{
return(new FrightenedState(this));
}
if (!ObstacleHandler.Instance.AnyIntersect(pacmanLocation, agent.GetPosition()))
{
return(new CustomExcitedChaseState());
}
//If we didn't return follow Pacman
agent.SetTarget(pacmanLocation);
//Stay in this state
return(this);
}
public override State Update(FSMAgent agent)
{
//Handle Following Pacman
Vector3 pacmanLocation = PacmanInfo.Instance.transform.position;
Vector3 pacmanFacing = PacmanInfo.Instance.Facing;
Vector3 location, realLocation;
FSMAgent ghost = GhostManager.Instance.GetClosestGhost(pacmanLocation);
if (agent.CloseEnough(pacmanLocation))
{
ScoreHandler.Instance.KillPacman();
}
//If timer complete, go to Scatter State
if (agent.TimerComplete())
{
return(new CustomChaseState());
}
//If Pacman ate a power pellet, go to Frightened State
if (PelletHandler.Instance.JustEatenPowerPellet)
{
return(new FrightenedState(this));
}
if (!ObstacleHandler.Instance.AnyIntersect(pacmanLocation, agent.GetPosition()))
{
return(new CustomExcitedChaseState());
}
//If we didn't return follow Pacman
if (ghost is CustomGhost)
{
agent.SetTarget(pacmanLocation);
}
else
{
if (pacmanFacing.x != 0)
{
location = ghost.GetPosition() + Vector3.up * 2 * (pacmanLocation.y - ghost.GetPosition().y);
}
else
{
location = ghost.GetPosition() + Vector3.right * 2 * (pacmanLocation.x - ghost.GetPosition().x);
}
GraphNode g = HW3NavigationHandler.Instance.NodeHandler.ClosestNode(location);
realLocation = g.Location;
agent.SetTarget(realLocation);
}
//Stay in this state
return(this);
}
public override State Update(FSMAgent agent)
{
//Handle Following Pacman
Vector3 targetLocation;
Vector3 pacmanLocation = PacmanInfo.Instance.transform.position;
if (agent.CloseEnough(pacmanLocation))
{
ScoreHandler.Instance.KillPacman();
}
//If timer complete, go to Scatter State
if (agent.TimerComplete())
{
return(new ScatterState(new Vector3(-ObstacleHandler.Instance.Width, -ObstacleHandler.Instance.Height), this));
}
//If Pacman ate a power pellet, go to Frightened State
if (PelletHandler.Instance.JustEatenPowerPellet)
{
return(new FrightenedState(this));
}
if (Vector3.Distance(pacmanLocation, agent.GetPosition()) < 1.6f)
{
targetLocation = new Vector3(-ObstacleHandler.Instance.Width, -ObstacleHandler.Instance.Height);
}
//If we didn't return follow Pacman
else
{
targetLocation = pacmanLocation;
}
GraphNode g = HW3NavigationHandler.Instance.NodeHandler.ClosestNode(targetLocation);
Vector3 realtargetPosition = g.Location;
agent.SetTarget(realtargetPosition);
//Stay in this state
return(this);
}
// Update is called once per frame
void Update()
{
bool runningAway = false;
FSMAgent ghost = GhostManager.Instance.GetClosestGhost(transform.position);
if (ghost != null)
{
Vector3 vecToGhost = ghost.GetPosition() - transform.position;
if (vecToGhost.sqrMagnitude <= 1f)
{
runningAway = true;
//CalculatePath
GraphNode closestStart = HW3NavigationHandler.Instance.NodeHandler.ClosestNode(transform.position);
GraphNode closestGoal = HW3NavigationHandler.Instance.NodeHandler.ClosestNode(transform.position + vecToGhost.normalized * -0.6f + Vector3.right * Random.Range(-0.1f, 0.1f) + Vector3.down * Random.Range(-0.1f, 0.1f));
path = HW3NavigationHandler.Instance.PathFinder.CalculatePath(closestStart, closestGoal);
if (path == null || path.Length < 1)
{
SetTarget(new Vector3(Random.Range(-1 * ObstacleHandler.Instance.Width, ObstacleHandler.Instance.Width), Random.Range(-1 * ObstacleHandler.Instance.Height, ObstacleHandler.Instance.Height)));
}
else
{
pathIndex = 0;
SetTarget(path[pathIndex]);
}
}
}
if (!runningAway)
{
Pellet p = PelletHandler.Instance.GetClosestPellet(transform.position);
if (p != null)
{
Vector3 target = p.transform.position;
//CalculatePath
GraphNode closestStart = HW3NavigationHandler.Instance.NodeHandler.ClosestNode(transform.position);
GraphNode closestGoal = HW3NavigationHandler.Instance.NodeHandler.ClosestNode(target);
path = HW3NavigationHandler.Instance.PathFinder.CalculatePath(closestStart, closestGoal);
if (path == null || path.Length <= 1)
{
SetTarget(target);
}
else
{
pathIndex = 0;
SetTarget(path[pathIndex]);
}
}
else
{
movingTowardTarget = false;
}
}
if (movingTowardTarget)
{
if ((target - transform.position).sqrMagnitude < AgentConstants.THRESHOLD)
{
movingTowardTarget = false;
transform.position = target;
}
else
{
Vector3 potentialNewPosition = transform.position + (target - transform.position).normalized * Time.deltaTime * speed;
if (ObstacleHandler.Instance.AnyIntersect(new Vector2(transform.position.x, transform.position.y), new Vector2(potentialNewPosition.x, potentialNewPosition.y)))
{
movingTowardTarget = false;
}
else
{
transform.position = potentialNewPosition;
}
}
}
}
