public override void Move()
{
// Handle enemy AI states
switch (enemyPawn.GetState())
{
// If the state is Recover, then the enemy will rise
case EnemyPawn.State.Recover:
if (enemyPawn.transform.position.y < enemyPawn.maxSmashHeight && !enemyPawn.smashing)
{
enemyPawn.transform.position += new Vector3(0f, pawn.speed * Time.deltaTime, 0f);
// If the max smash height is reached, then the state is switched to smash
}
else
{
enemyPawn.SetState(EnemyPawn.State.Smash);
}
break;
// If the state is Smash, then the enemy will drop super quickly and possibly kill the player
case EnemyPawn.State.Smash:
if (enemyPawn.transform.position.y > -1.42f)
{
// Set smashing to true
enemyPawn.smashing = true;
// Lower the enemy object each frame
enemyPawn.transform.position -= new Vector3(0f, pawn.speed * Time.deltaTime * 15, 0f);
// If the enemy pawn has reached the ground then switch to ram or recover
}
else
{
// Set smashing to false to allow the enemy to recover
enemyPawn.smashing = false;
if (enemyPawn.ramming == true)
{
enemyPawn.SetState(EnemyPawn.State.Ram);
}
else
{
enemyPawn.SetState(EnemyPawn.State.Recover);
}
}
break;
// If the state is Ram, then the enemy will move toward the player to try to kill them
case EnemyPawn.State.Ram:
if (!GameManager.instance.isDead)
{
float step = enemyPawn.speed * Time.deltaTime;
enemyPawn.transform.position = Vector2.MoveTowards(enemyPawn.transform.position, enemyPawn.target.position, step * 2);
}
else
{
enemyPawn.SetState(EnemyPawn.State.Recover);
}
break;
}
}
// Once the player is out of eye sight, go back to the recover state
private void OnTriggerExit2D(Collider2D collision)
{
EnemyPawn pawn = GetComponent <EnemyPawn>();
if (collision.gameObject.tag == "Player")
{
pawn.ramming = false;
pawn.SetState(EnemyPawn.State.Recover);
}
}
// Destroy the enemy and play the enemy death sound
private void OnCollisionEnter2D(Collision2D other)
{
// Find the audio source
audioSource = GameObject.Find("Audio").GetComponent <AudioSource>();
/*
* If the enemy and the player collided then the player will die
* If the players ability collided with the enemy then the enemy will die
*/
if (other.gameObject.tag == "Enemy")
{
if (gameObject.tag == "Player")
{
if (!(other.collider is CircleCollider2D))
{
audioSource.clip = GameManager.instance.playerDeath;
audioSource.Play();
// Set isDead to true so that the respawn process can start
GameManager.instance.isDead = true;
// Decrement the player lives by one
GameManager.instance.livesLeft -= 1;
// Update the UI to show the new lives
GameManager.instance.UpdateLives(GameManager.instance.livesLeft);
EnemyPawn enemyPawn = other.gameObject.GetComponent <EnemyPawn>();
// Set the enemy state to recover since the player is dead
enemyPawn.SetState(EnemyPawn.State.Recover);
if (enemyPawn.ramming)
{
// Set ramming to false if its true
other.gameObject.GetComponent <EnemyPawn>().ramming = false;
}
}
}
else
{
audioSource.clip = GameManager.instance.enemyDeath;
audioSource.Play();
// Destroy the enemy game object
Destroy(other.gameObject);
GameManager.instance.currentEnemies -= 1;
// Destroy the players fireball too
if (gameObject.tag == "Weapon")
{
Destroy(gameObject);
}
}
}
}