private void spawnEnemies(int amount)
{
for (int i = 0; i < amount; ++i)
{
// Get a random sector (excluding the middle sector that the player spawns in) to spawn the enemy in
int _randomSectorIndex = Random.Range(0, Level.childCount);
if (_randomSectorIndex == Mathf.CeilToInt(GameManager.Instance.Level.childCount / 2.0f) - 1)
{
++_randomSectorIndex;
}
Transform _sectorToSpawnIn = Level.GetChild(_randomSectorIndex);
Transform _enemy = spawnShip(EnemyPrefab, _sectorToSpawnIn.position, _sectorToSpawnIn).transform;
// Get a random position near the center of the sector and set that as the enemy's position
_enemy.position = ProjectConstants.PickRandomPositionNearby(_sectorToSpawnIn.position, 0.0f, ProjectConstants.SECTOR_WIDTH / 3);
}
}
void Update()
{
// Move the enemy towards its current target position and pick a new target when reaching it
transform.localPosition = Vector2.MoveTowards(transform.localPosition, m_targetPosition, MovementSpeed * Time.deltaTime);
if (transform.localPosition == m_targetPosition)
{
m_targetPosition = ProjectConstants.PickRandomPositionNearby(transform.localPosition, m_minRoamingDistance, m_maxRoamingDistance);
}
// Get the sector the enemy is currently in and adjust the enemy's position and target according to it if needed
m_currentSector = getCurrentSector();
// Shoot at the player when close enough
if (GameManager.Instance.PlayerShip != null && Mathf.Abs(GameManager.Instance.PlayerShip.position.x - transform.position.x) <= ShootingRange)
{
shoot(transform.position, (GameManager.Instance.PlayerShip.position - transform.position).normalized, ProjectileSpeed, transform.parent);
}
}
public override void Initialize()
{
// Get the sector the enemy is currently in and get a random position for the enemy to roam to
m_currentSector = getCurrentSector();
m_targetPosition = ProjectConstants.PickRandomPositionNearby(transform.localPosition, m_minRoamingDistance, m_maxRoamingDistance);
}
