/// <summary>
/// Times the attacking cycle for a sword style attack
/// </summary>
/// <remark>
/// The total time this coroutine takes to execute is equal to chargeTime+enableLength+pauseTime+retreatLength
/// </remark>
/// <param name="vectorToTarget">The vector from the center of this gameObject's transform to the target</param>
/// <param name="chargeTime">The time this enemy waits before attacking</param>
/// <param name="enableLength">How long to enable the weapon's collider for</param>
/// <param name="pauseTime">The time after turning off the collider this enemy waits before retreating</param>
/// <param name="retreatLength">The length of time over which this enemy retreats</param>
private IEnumerator SwordAttack(Vector2 vectorToTarget, float chargeTime, float pauseTime, float retreatLength)
{
attacking = true;
WC.AimInDirection(vectorToTarget);
float startTime = Time.time;
Coroutine retreat = null;
bool doing = true;
bool shot = false;
while (doing)
{
Vector3 startingPosition = transform.position;
if (Time.time < startTime + chargeTime) // CHARGING ATTACK
{
attackIndicator.SetActive(true);
// do animations here
yield return(new WaitForSeconds(.05f));
}
else if (Time.time < startTime + chargeTime + pauseTime) // ATTACKING
{
attackIndicator.SetActive(false);
if (!shot)
{
WC.Fire(vectorToTarget);
shot = true;
}
else
{
if (WC.IsFiring())
{
startTime += Time.deltaTime;// increment start time to prevent from moving on and waiting until the attack is complete
}
}
// do animations here
yield return(new WaitForEndOfFrame());
}
else if (Time.time > startTime + chargeTime + pauseTime && doing) // RETREATING (jumping backwards)
{
if (retreat == null)
{
//AimWeaponAtTarget(-vectorToTarget);
WC.AimInDirection(-vectorToTarget);
retreat = MoveTo(-vectorToTarget.normalized * retreatLength);
}
else if (!RunningThisRoutine(retreat))
{
doing = false;
}
// do animations here
yield return(new WaitForFixedUpdate());
}
}
attacking = false;
}