private void Update()
{
if (remainingChargeTime > 0f)
{
remainingChargeTime -= Time.deltaTime;
}
if (curState == SpikeHeadStateEnum.Idle)
{
curVelo = 0f;
TryDetectPlayer();
}
else if (curState == SpikeHeadStateEnum.Staging)
{
curVelo = 0f;
remainingStageTime -= Time.deltaTime;
if (!DetectAfterReturned)
{
DetectPlayer();
}
if (remainingStageTime <= float.Epsilon)
{
if (GoBackAfterCharged)
{
curState = SpikeHeadStateEnum.Returning;
}
else
{
curState = SpikeHeadStateEnum.Idle;
}
}
}
else if (curState == SpikeHeadStateEnum.Returning)
{
if (!DetectAfterReturned)
{
DetectPlayer();
}
}
else if (curState == SpikeHeadStateEnum.Preparing)
{
remainingPrepareTime -= Time.deltaTime;
if (remainingPrepareTime <= 0f)
{
curState = SpikeHeadStateEnum.Charging;
animator.speed = 1f;
animator.SetBool("Attack", true);
ExclamationGO.SetActive(false);
}
}
}
void DetectPlayer()
{
if (remainingChargeTime > float.Epsilon)
{
return;
}
Vector2 origin1 = transform.position;
Vector2 origin2 = transform.position;
origin1.y += RayOffset;
origin2.y -= RayOffset;
//Check A
if (HasAlivePlayer(Physics2D.Raycast(origin1, GetDirectionVec(PointA), filter, hitBuffer, GetDistance(PointA))) ||
HasAlivePlayer(Physics2D.Raycast(origin2, GetDirectionVec(PointA), filter, hitBuffer, GetDistance(PointA))))
{
curState = SpikeHeadStateEnum.Preparing;
ChargeTarget = GetChargeTarget(PointA);
remainingChargeTime = ChargeCoolDown;
remainingPrepareTime = PrepareTime;
animator.SetTrigger("Prepare");
ExclamationGO.SetActive(true);
animator.speed = PrepareTime == 0f? 1f : 1f / PrepareTime;
return;
}
//Check B
if (HasAlivePlayer(Physics2D.Raycast(origin1, GetDirectionVec(PointB), filter, hitBuffer, GetDistance(PointB))) ||
HasAlivePlayer(Physics2D.Raycast(origin2, GetDirectionVec(PointB), filter, hitBuffer, GetDistance(PointB))))
{
curState = SpikeHeadStateEnum.Preparing;
ChargeTarget = GetChargeTarget(PointB);
remainingChargeTime = ChargeCoolDown;
remainingPrepareTime = PrepareTime;
animator.SetTrigger("Prepare");
ExclamationGO.SetActive(true);
animator.speed = PrepareTime == 0f ? 1f : 1f / PrepareTime;
return;
}
}
private void Start()
{
curState = SpikeHeadStateEnum.Idle;
orgPosition = transform.position;
ExclamationGO.SetActive(false);
}
private void FixedUpdate()
{
if (curState == SpikeHeadStateEnum.Charging || curState == SpikeHeadStateEnum.Returning)
{
Vector2 targetPos = transform.position;
if (curState == SpikeHeadStateEnum.Charging)
{
curVelo += Accelaration * Time.deltaTime;
targetPos = ChargeTarget;
}
else if (curState == SpikeHeadStateEnum.Returning)
{
curVelo = ReturnSpeed;
targetPos = orgPosition;
}
float distanceRemain = 0f;
Vector2 newVelo;
if (Direction == DirectionEnum.Horizontal)
{
distanceRemain = Mathf.Abs(targetPos.x - transform.position.x);
newVelo = new Vector2(curVelo, 0f);
if (targetPos.x < transform.position.x)
{
newVelo = -newVelo;
}
}
else
{
distanceRemain = Mathf.Abs(targetPos.y - transform.position.y);
newVelo = new Vector2(0f, curVelo);
if (targetPos.y < transform.position.y)
{
newVelo = -newVelo;
}
}
if (distanceRemain < curVelo * Time.deltaTime)
{
//Arrived
rb.MovePosition(targetPos);
rb.velocity = Vector2.zero;
if (curState == SpikeHeadStateEnum.Charging)
{
SoundManager.Instance.PlaySFX(SoundManager.Instance.SpikeHeadSound, 1f);
curState = SpikeHeadStateEnum.Staging;
remainingStageTime = StageTime;
if (Direction == DirectionEnum.Horizontal)
{
animator.SetTrigger("HorizontalHit");
}
else
{
animator.SetTrigger("VerticalHit");
}
animator.SetBool("Attack", false);
}
else if (curState == SpikeHeadStateEnum.Returning)
{
curState = SpikeHeadStateEnum.Idle;
}
}
else
{
rb.velocity = newVelo;
}
}
}