Add "emit effect on self" annotation.

Assets/Cryville/Crtr/EffectGroup.cs

@@ -1,5 +1,6 @@
 using Cryville.Common.Buffers;
 using System.Collections.Generic;
+using UnityEngine;
 
 namespace Cryville.Crtr {
 	public class EffectGroup {
@@ -40,6 +41,7 @@ namespace Cryville.Crtr {
 					QueueInstance(item);
 				}
 				else {
+					item.Tick(time);
 					_instances.Remove(item.Index);
 					_pool.Return(item);
 				}
@@ -48,7 +50,7 @@ namespace Cryville.Crtr {
 				instance.Value.Tick(time);
 			}
 		}
-		public void Emit(float index) {
+		public void Emit(float index, Transform target = null) {
 			EffectInstance instance;
 			bool flag = _instances.TryGetValue(index, out instance);
 			if (!flag) _instances.Add(index, instance = _pool.Rent());
@@ -58,7 +60,7 @@ namespace Cryville.Crtr {
 					var i = _endQueue.BinarySearch(instance);
 					_endQueue.RemoveAt(i);
 				}
-				instance.OnEmit(_time);
+				instance.OnEmit(_time, target);
 				QueueInstance(instance);
 			}
 		}