/// <summary>
/// Go to the next letter
/// </summary>
public void NextLetter()
{
// If the word is completed, start a new word
if (_wordController.IsCompleted())
{
SetNextWord();
return;
}
// Spawn more enemies for the next letter
var numLettersObtained = _wordController.GetNumberObtainedLetters();
var numEnemies = Mathf.Pow(_expoBase, numLettersObtained);
// Spawn real letter enemy
var nextLetter = _wordController.GetNextLetter();
_enemyController.CreateEnemy(nextLetter);
var unobtainedLetters = _wordController.GetUnobtainedLetters();
// Spawn dud letter enemies
for (int i = 1; i < numEnemies; ++i)
{
char randomLetter;
do
{
randomLetter = (char)Random.Range((float)'A', 'Z');
} while (randomLetter == nextLetter || unobtainedLetters.Contains(randomLetter));
_enemyController.CreateEnemy(randomLetter);
}
}
/// <summary>
/// Shoots at an enemy
/// </summary>
private void Shoot()
{
// If the particle system is already playing, don't shoot again
if (_gunParticle.isPlaying)
{
return;
}
// Show the particle
_gunParticle.Play();
// Play the sound
_soundController.PlaySFX(_soundController.Gunshot);
// Note: Using Vector3.back, as our characters are technically backward.
// TODO: Maybe adjust characters to go forward instead. NavMesh issue?
var shootPos = transform.position + Vector3.back + Vector3.up;
var enemyLayer = LayerMask.NameToLayer("Enemy");
var layerMask = 1 << enemyLayer;
// Check if our shotgun spread hit any enemies
var colliders = Physics.OverlapSphere(shootPos, _shotgunScatterRange, layerMask);
if (colliders.Length == 0)
{
return;
}
// Enemies were hit!
var enemies = colliders.Select(c => c.GetComponent <Enemy>()).ToList();
// If we hit any enemies
if (enemies.Count > 0)
{
// Play the enemy hurt sound
_soundController.PlaySFX(_soundController.EnemyHurt);
}
// While we have enemies left...
while (enemies.Count > 0)
{
try
{
// If any of the enemies are the next letter
var foundEnemy = enemies.First(e => e.Letter == _wordController.GetNextLetter());
// We obtained the letter!
_wordController.ObtainLetter();
// Play the sound
_soundController.PlaySFX(_soundController.GainPoints);
// Increment the score!
_scoreController.Score += _scoreController.ScorePerLetterIncrement *
_wordController.GetNumberObtainedLetters();
// Remove the enemy from the listing
enemies.Remove(foundEnemy);
// Destroy the enemy
_enemyController.DestroyEnemy(foundEnemy);
// Go to the next letter!
_gameController.NextLetter();
}
catch
{
// Otherwise, penalty for the enemies left
var numEnemies = enemies.Count;
// Play the sound
_soundController.PlaySFX(_soundController.LosePoints);
// Decrement the score!
_scoreController.Score -= _scoreController.ScoreDecrementPerBadEnemy *
_wordController.GetNumberObtainedLetters();
// Destroy the enemies
_enemyController.DestroyEnemies(enemies);
enemies.Clear();
}
}
}