/// <summary>
/// Gets the current acceleration vector of the behavior.
/// </summary>
/// <returns>
/// The acceleration <see cref="Vector" />.
/// </returns>
public override Vector GetAccelerationVector()
{
// we are working in local space (Player heading = x-coordinate)
var diff = new Vector((FsmAI.Random.NextDouble() - 0.5), (FsmAI.Random.NextDouble() - 0.5), WanderJitter);
WanderTarget = Vector.GetSum(WanderTarget, diff);
WanderTarget.Resize(WanderRadius);
WanderTarget = Vector.GetSum(WanderTarget, new Vector(WanderDistance, 0));
// change to world space
var target = new Vector(WanderTarget.X, WanderTarget.Y);
if (Player.CurrentSpeed > 0.001)
{
var m = Player.Movement.Normalized;
target.X = WanderTarget.X * m.X - WanderTarget.Y * m.Y;
target.Y = WanderTarget.X * m.Y + WanderTarget.Y * m.X;
}
target = Vector.GetSum(Player.Position, target);
Seek.Target = target;
return(Seek.GetAccelerationVector());
}
// Use this for initialization
void Start()
{
gameObject.tag = "Scarab";
scarabAudio = GetComponent <AudioSource> ();
eventManager = FindObjectOfType <EventManager>();
navAgent = GetComponent <NavMeshAgent>();
player = FindObjectOfType <Player>();
body = GetComponent <Rigidbody>();
triggerTag = "Player";
m_sphereCollider = GetComponent <SphereCollider>();
if (!animator)
{
animator = GetComponentInChildren <Animator>();
}
//m_animator = GetComponent<Animator>();
//// Setting layers for Dr Leben's parts
//foreach (Transform child in transform)
// child.gameObject.layer = gameObject.layer;
// ---------------------------------------------------
// The Death Sequence
// Set up the
IsScarabAttacked deathCheck = new IsScarabAttacked();
Sequence deathSequence = new Sequence();
deathSequence.addBehaviour(deathCheck);
//----------------------------------------------------
// The Attack Sequence
//// Set up condition for the attack sequence
//Triggered attackCondition = new Triggered();
// Set up within range condition for chase sequence
WithinRange withinAttack = new WithinRange();
withinAttack.SetParameters(player.gameObject, m_attackRange);
// Set Up Continue attack condition
ContinueAttack continueAttackCondition = new ContinueAttack();
// Set up the attack behaviour
ScarabAttack attackBehaviour = new ScarabAttack();
attackBehaviour.SetParameters(player, m_damage, m_attackTimer, m_rotationSpeed, onAttack);
// Set up line of sight condition for chase sequence
LineOfSight inSight = new LineOfSight();
inSight.SetParameters(player.gameObject, m_sightRange, m_eyeLocation);
//// Set up component check enabled
//ComponentEnabled navAgentCheck = new ComponentEnabled();
//navAgentCheck.SetParameters(navMesh);
// Set up attack sequence
Sequence attackSequence = new Sequence();
attackSequence.addBehaviour(continueAttackCondition);
//attackSequence.addBehaviour(navAgentCheck);
//attackSequence.addBehaviour(attackCondition);
attackSequence.addBehaviour(withinAttack);
attackSequence.addBehaviour(inSight);
//attackSequence.addBehaviour(facePlayer);
attackSequence.addBehaviour(attackBehaviour);
//----------------------------------------------------
// The Face Target Sequence
// Set up face target behaviour
FaceTarget facePlayer = new FaceTarget();
facePlayer.SetParameters(player.gameObject, m_rotationSpeed);
// Set up attack sequence
Sequence faceTargetSequence = new Sequence();
faceTargetSequence.addBehaviour(continueAttackCondition);
faceTargetSequence.addBehaviour(withinAttack);
faceTargetSequence.addBehaviour(facePlayer);
//----------------------------------------------------
// The Chase Sequence
// Set up the chase behaviour
SetTargetBehaviour chasePlayer = new SetTargetBehaviour();
chasePlayer.SetParameters(player.gameObject, m_chaseSpeed, "", chasing);
// Set up within range condition for chase sequence
WithinRange withinChase = new WithinRange();
withinChase.SetParameters(player.gameObject, m_chaseRange);
// Set up chase sequence
Sequence chaseSequence = new Sequence();
chaseSequence.addBehaviour(continueAttackCondition);
//chaseSequence.addBehaviour(navAgentCheck);
chaseSequence.addBehaviour(withinChase);
chaseSequence.addBehaviour(chasePlayer);
//----------------------------------------------------
// The Wander Sequence
WanderTarget wanderSetter = new WanderTarget();
SetTargetBehaviour wanderBehaviour = new SetTargetBehaviour();
wanderBehaviour.SetParameters(wanderSetter, m_wanderSpeed, "", wandering);
// Set up wander sequence
Sequence wanderSequence = new Sequence();
//wanderSequence.addBehaviour(navAgentCheck);
wanderSequence.addBehaviour(wanderBehaviour);
////----------------------------------------------------
//// The Attack Selector
//// Set up main selector
//Selector attackSelector = new Selector();
//attackSelector.addBehaviour(attackSequence);
//attackSelector.addBehaviour(chaseSequence);
//----------------------------------------------------
// The Sequence Selector
// Set up main sequence
Selector mainSelector = new Selector();
mainSelector.addBehaviour(deathSequence);
mainSelector.addBehaviour(attackSequence);
mainSelector.addBehaviour(chaseSequence);
mainSelector.addBehaviour(wanderSequence);
// Add all sequences to the behaviour list
m_behaviours.Add(mainSelector);
// correct position so it always sits on navmesh
NavMeshHit closestHit;
if (NavMesh.SamplePosition(gameObject.transform.position, out closestHit, 500f, NavMesh.AllAreas))
{
gameObject.transform.position = closestHit.position;
}
else
{
Debug.LogError("Could not find position on NavMesh!");
}
}
