protected override void ProcessOneEntity(int entityId, float deltaTime)
{
// gather data for selection
var enemySpawner = GameState.GameData.EnemySpawner[entityId];
// selection
if (enemySpawner == null)
{
return;
}
// process data
var es = enemySpawner.Value;
var onCooldown = es.SpawnOnCooldown;
if (onCooldown)
{
es.SpawnCooldownTime -= deltaTime;
es.SpawnCooldownTime = MathHelper.Clamp(es.SpawnCooldownTime, 0.0f, _cooldownTime);
}
else
{
// spawn enemy
var spawnPosition = new Vector2(RandomGenerator.Instance.GetRandomFloat(0, DeviceManager.Instance.ScreenWidth), -_distanceAboveScreenToSpawn);
float velocity = RandomGenerator.Instance.GetRandomFloat(_minimumEnemyVelocity, _maximumEnemyVelocity);
EnemyCreator.Create(spawnPosition, new Vector2(0.0f, velocity), GameState);
// put on cooldown
es.SpawnCooldownTime = _cooldownTime;
}
// update data
GameState.GameData.EnemySpawner[entityId] = es;
}
