Add "emit effect on self" annotation.

Assets/Cryville/Crtr/EffectManager.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using UnityEngine;
 
 namespace Cryville.Crtr {
 	public class EffectManager {
@@ -15,6 +16,9 @@ namespace Cryville.Crtr {
 		public void Emit(int id, float index) {
 			_groups[id].Emit(index);
 		}
+		public void EmitSelf(int id, float index, Transform target) {
+			_groups[id].Emit(index, target);
+		}
 		public void Dispose() {
 			foreach (var g in _groups) g.Value.Dispose();
 		}