/**
* Coroutine for spawning asteroids.
*/
private IEnumerator SpawnAsteroidsCoroutine()
{
yield return(new WaitForSeconds(spawnBeginningWait));
while (continueSpawningAsteroids)
{
if (!recalculationFinished)
{
yield return(new WaitForSeconds(0.5f));
continue;
}
//Chose an amount of asteroids to spawn at a time
int numAsteroidsToSpawn = Random.Range(1, maxAsteroidsSpawnAtTime);
for (int index = 0; index < numAsteroidsToSpawn; index++)
{
//Spawn asteroid
GameObject spawnedEnemy = SpawnInWave(asteroidClass.NextObject(), asteroidMaterials);
spawnedEnemy.GetComponent <ObjectStraightMover>().speed = asteroidSpeed;
yield return(null);
}
//Wait for new asteroid to create
yield return(new WaitForSeconds(asteroidClass.NextWaitTime()));
}
}
/**
* Coroutine for spawning powerups
*/
private IEnumerator SpawnPowerupsCoroutine()
{
yield return(new WaitForSeconds(powerupClass.NextWaitTime()));
while (numEnemiesLeft > 0)
{
if (!recalculationFinished)
{
yield return(new WaitForSeconds(0.5f));
continue;
}
//Only spawn one powerup at a time
GameObject powerupToSpawn = powerupClass.NextObject();
yield return(null);
//Spawn powerup
SpawnInWave(powerupToSpawn);
yield return(new WaitForSeconds(powerupClass.NextWaitTime()));
}
}
private IEnumerator SpawnEnemiesCoroutine()
{
yield return(new WaitForSeconds(spawnBeginningWait));
while (numEnemiesLeft > 0)
{
if (!recalculationFinished)
{
yield return(new WaitForSeconds(0.5f));
continue;
}
//Chose an amount of enemies to spawn at a time
int numEnemiesToSpawn = (int)Random.Range(1, maxEnemiesSpawnAtTime);
for (int index = 0; index < numEnemiesToSpawn; index++)
{
//Choose enemy to spawn
GameObject enemyToSpawn = enemyClass.NextObject();
yield return(null);
//Spawn enemy
GameObject newEnemy = SpawnInWave(enemyToSpawn);
numEnemiesLeft--;
yield return(null);
//Set different enemy guns if alien
if (newEnemy.CompareTag("Alien"))
{
AIWeapons weapons = newEnemy.GetComponent <AIWeapons>();
GunDefinition[] guns = null;
if (weapons != null)
{
guns = weapons.guns;
}
else
{
weapons = newEnemy.GetComponentInChildren <AIWeapons>();
guns = weapons.guns;
}
//TODO: correct implementation
for (int gunIndex = 0; gunIndex < guns.Length; gunIndex++)
{
//Choose random gun
GameObject gunToSet = enemyWeaponClass.NextObject();
yield return(null);
guns[gunIndex].ChangeWeapon(gunToSet);
yield return(null);
}
}
yield return(new WaitForSeconds(enemyClass.NextWaitTime())); //pause
}
}
//advance when no more enemies exist
continueSpawningAsteroids = false;
yield return(new WaitForSeconds(5));
manager.AdvanceLevel();
}