IEnumerator SpawnWaves()
{
yield return(new WaitForSeconds(TimeBeforeFirstWave));
while (waveCpt < numWaves)
{
waveCpt++;
if (SpawnEnabled)
{
int r = (int)(Random.Range(0.0f, 1.0f) * 3.99f);
WaveType waveType;
switch (r)
{
case 0: waveType = WaveType.BLACK;
break;
case 1: waveType = WaveType.WHITE;
break;
case 2: waveType = WaveType.HALF;
break;
default: waveType = WaveType.QUARTER;
break;
}
int enemyCount = (int)(Random.Range(0.0f, 1.0f) * (MaxEnemyPerWave - MinEnemyPerWave)) + MinEnemyPerWave;
r = (int)(Random.Range(0.0f, 1.0f) * 3.99f);
for (int i = 0; i < enemyCount; i++)
{
if (SpawnEnabled)
{
Vector2 p = Vector2.zero;
switch (r)
{
case 0:
p = ParametricCurves.Stars(1.5f, 12.0f * (float)i / (float)enemyCount);
break;
case 1:
p = ParametricCurves.Sinus((float)i / (float)enemyCount);
p.x = (p.x * 2.0f) - 1.0f;
break;
case 2:
p = ParametricCurves.Stars(0.5f, 12.0f * (float)i / (float)enemyCount);
p.x = (p.x + 1.0f) / 2.0f;
p.y = p.y / 2.6f;
break;
default:
p = ParametricCurves.PatternQueen(1, 2, 2, 1, 3, 3, 7.0f * (float)i / (float)enemyCount);
p.x = (p.x + 0.5f) / 1.5f;
p.y = p.y / 1.5f;
break;
}
Vector3 spawnPosition = new Vector3(SpawnRange.x, 15.0f * p.y, SpawnRange.z + 15.0f * p.x);
GameObject enemy = Instantiate(Enemy);
EnemyScript enemyScript = enemy.GetComponent <EnemyScript>();
enemy.transform.position = spawnPosition;
bool enemyIsBlack =
(waveType == WaveType.BLACK) ||
(waveType == WaveType.HALF && i < enemyCount / 2.0f) ||
(waveType == WaveType.QUARTER && (i < enemyCount / 4.0f || (i >= 2.0f * enemyCount / 4.0f && i < 3.0f * enemyCount / 4.0f)));
enemyScript.SetColor(enemyIsBlack);
}
}
}
yield return(new WaitForSeconds(TimeBetweenWaves));
}
yield return(new WaitForSeconds(TimeBeforeBoss));
Boss.SetActive(true);
Instantiate(Boss, new Vector3(0.0f, 0.0f, 40.0f), Quaternion.Euler(0.0f, 180.0f, 90.0f));
}