void AttemptSpawn(IntRect rect, EnemySpawnSettings.EnemySpawn spawn)
{
if (_coordsList == null)
{
_coordsList = new List <SpawnCoords>();
}
_coordsList.Clear();
IntRect windowRect = CloudSpawner.GetCurrentRect(LayerDepth, GridSize, new Vector2(0.6f, 0.6f));
int minY = rect.MinY;
if (spawn.HasMinY)
{
minY = Mathf.Max(minY, spawn.MinY);
}
int maxY = rect.MaxY;
if (spawn.HasMaxY)
{
maxY = Mathf.Min(maxY, spawn.MaxY + 1);
}
for (int x = rect.MinX; x < rect.MaxX; x++)
{
for (int y = minY; y < maxY; y++)
{
if (x > windowRect.MinX &&
x < windowRect.MaxX - 1 &&
y > windowRect.MinY &&
y < windowRect.MaxY - 1)
{
continue;
}
if (IsSpawnValid(spawn, x, y) == false)
{
continue;
}
_coordsList.Add(new SpawnCoords()
{
X = x,
Y = y,
});
}
}
if (_coordsList.Count > 0)
{
var coord = _coordsList[Random.Range(0, _coordsList.Count)];
SpawnEnemy(spawn, coord);
}
}
void Update()
{
if (_firstEnemyKilled)
{
_timer += Time.deltaTime;
}
IntRect currentRect = CloudSpawner.GetCurrentRect(LayerDepth, GridSize, MaxSpawnRectModifier);
float periodT;
var spawnSettings = GetCurrentSpawnSettings(_timer, out periodT);
if (_firstEnemyKilled)
{
_SpawnAccumulator += spawnSettings.SpawnSpeed * spawnSettings.IntensityCurve.Evaluate(periodT) * Time.deltaTime;
}
if (_SpawnAccumulator >= 0)
{
float totalSpawnChance = 0;
for (int i = 0; i < spawnSettings.Spawns.Length; i++)
{
var spawn = spawnSettings.Spawns[i];
if (IsValidSpawn(currentRect, spawn, _timer))
{
totalSpawnChance += spawn.SpawnChance;
}
}
float randomVal = Random.Range(0, totalSpawnChance);
for (int i = 0; i < spawnSettings.Spawns.Length; i++)
{
var spawn = spawnSettings.Spawns[i];
if (IsValidSpawn(currentRect, spawn, _timer))
{
if (spawn.SpawnChance > randomVal)
{
AttemptSpawn(currentRect, spawn);
break;
}
randomVal -= spawn.SpawnChance;
}
}
}
}