public override IEnumerator Begin(ProjectileSpawner projectileSpawner)
{
yield return(WaitYieldInstruction.Create(_delay));
while (true)
{
var degreesPerSpawn = 360 / _count;
for (int r = 0; r < _count; r++)
{
var a = degreesPerSpawn * r;
projectileSpawner.Spawn(Vector2Helper.FromAngle(MathHelper.ToRadians(a)));
yield return(WaitYieldInstruction.Create(_sequenceFrequencyInMS));
}
yield return(WaitYieldInstruction.Create(_frequencyInMS));
}
}