protected override void OnTriggerEnter2D(Collider2D other)
{
// Check if the tag of the trigger collided with is BadTroop.
if (other.tag == "BadTroop" && opponent == null)
{
// Set opponent to be the BadTroop collided with.
opponent = other.gameObject.GetComponent <BadTroop>();
// Need to first reset it to GoodTroopWalk, otherwise there's the
// bug that after the Enemy kills this troop, the next Troop cannot
// continue to damange the Enemy.
// Then set the Fight trigger of the GoodTroop's animation
// controller to play the GoodTroop's fighting animation.
animator.ResetTrigger("GoodTroopWalk");
animator.SetTrigger("GoodTroopFight");
isFighting = true;
}
else if (other.tag == "GoodTroop")
{
// If collided with another GoodTroop, whichever GoodTroop is
// further forward (to the right) has priority to move, while the
// one behind waits.
if (other.gameObject.transform.position.x > transform.position.x)
{
isWaiting = true;
}
}
}
protected override void OnTriggerExit2D(Collider2D other)
{
// Set the walk trigger of the GoodTroop's animation controller in
// order to play the GoodTroop's walking animation.
animator.ResetTrigger("GoodTroopWalk");
animator.SetTrigger("GoodTroopWalk");
// Reset all parameters
isFighting = false;
isWaiting = false;
opponent = null;
// @TODO (Add coins gained from killing the BadTroop).
}
