/// <summary>
/// Handles a Danmaku collision. Only ever called with Danmaku that pass the filter.
/// </summary>
/// <param name="danmaku">the danmaku that hit the collider.</param>
/// <param name="info">additional information about the collision</param>
protected override void DanmakuCollision(Danmaku danmaku, RaycastHit2D info)
{
if (affected.Contains(danmaku))
{
return;
}
if (prefab != null)
{
danmaku.MatchPrefab(prefab);
}
affected.Add(danmaku);
}