/*
* Handle moving and teleport
*/
private void Wander(DarklingAirEnemy darkling)
{
//teleport
if (darkling.isAllowedToTeleport)
{
//reset time for next teleport
darkling.flyTimeElapsed = 0;
darkling.isAllowedToTeleport = false;
//teleport
darkling.StartTeleAnimationStart();
darkling.isTeleporting = true;
darkling.teleTimeElapsed = 0;
return;
}
//because animation is slow compared with CPU
if (darkling.isTeleporting && darkling.CheckIfTeleCountDownElapsed(darkling.timeBeforeAppear))
{
//darkling.darklingModel.SetActive(false);
//darkling.darklingModel.SetActive(true);
darkling.transform.position = darkling.destination;
darkling.StartTeleAnimationStop();
darkling.isTeleporting = false;
GameObject g =
Instantiate(darkling.teleParticles, darkling.transform.position, Quaternion.identity);
Destroy(g, 3);
}
//if darkling is in disappear mode, don't make it move
if (darkling.isTeleporting)
{
return;
}
//if too low, increase height
//if (darkling.GetFlyHeightFromGround() < darkling.flyHeight)
//{
// darkling.transform.position = darkling.transform.position + Vector3.up * darkling.movementSpeed * Time.deltaTime;
// darkling.destination =
//}
//else move toward destination
darkling.MoveToward(darkling.destination, darkling.movementSpeed);
//count down time for next teleport
//ex: fly 4 seconds, then Teleport
if (darkling.CheckIfFlyCountDownElapsed(darkling.timeBetweenTele))
{
darkling.isAllowedToTeleport = true;
}
}
void Chase(DarklingAirEnemy darkling)
{
//if this is first time enter attack-mode
if (!darkling.isChasing)
{
darkling.isChasing = true;
darkling.flyTimeElapsed = 0; //reset time to target
darkling.teleTimeElapsed = 0;
darkling.isAllowedToTeleport = false;
darkling.isTeleporting = false;
}
//careful with null refence
if (darkling.target == null)
{
return;
}
//because animation is slow compared with CPU
if (darkling.isTeleporting && darkling.CheckIfTeleCountDownElapsed(darkling.timeBeforeAppear))
{
darkling.transform.position = darkling.destination;
darkling.StartTeleAnimationStop();
darkling.isTeleporting = false;
darkling.isAllowedToTeleport = false;
GameObject g =
Instantiate(darkling.teleParticles, darkling.transform.position, Quaternion.identity);
Destroy(g, 3);
}
//if darkling is in teleport mode, don't move or count time
if (darkling.isTeleporting)
{
return;
}
//if darkling has fly long enough, allow it to teleport
if (darkling.CheckIfFlyCountDownElapsed(darkling.timeBetweenTele))
{
darkling.isAllowedToTeleport = true;
}
//if not close enough, narrow down distance
if (!darkling.isCloseEnoughToTarget(darkling.target.position, darkling.distanceMeleeAttack))
{
//move toward target
darkling.MoveToward(darkling.target.position, darkling.movementSpeed * 2); //make it fly faster
//give target some seconds to run before teleport
if (darkling.isAllowedToTeleport)
{
//basically fly to front of target
darkling.transform.LookAt(darkling.target);
Vector3 newPos =
darkling.target.position + (-1) * darkling.transform.forward.normalized * darkling.distanceMeleeAttack * 2;
//use this way so that target have sometime is run
//before darkling pop up
darkling.StartTeleAnimationStart();
darkling.destination = newPos;
darkling.isTeleporting = true;
darkling.teleTimeElapsed = 0;
//reset fly countdown
darkling.flyTimeElapsed = 0;
}
return;
}
}