Implement effect.

Assets/Cryville/Crtr/EffectManager.cs

@@ -0,0 +1,22 @@
+using System.Collections.Generic;
+
+namespace Cryville.Crtr {
+	public class EffectManager {
+		readonly Dictionary<int, EffectGroup> _groups
+			= new Dictionary<int, EffectGroup>();
+		public EffectManager(PdtSkin skin) {
+			foreach (var e in skin.effects) {
+				_groups.Add(e.Key.Key, new EffectGroup(e.Value));
+			}
+		}
+		public void Tick(double time) {
+			foreach (var g in _groups) g.Value.Tick(time);
+		}
+		public void Emit(int id, float index) {
+			_groups[id].Emit(index);
+		}
+		public void Dispose() {
+			foreach (var g in _groups) g.Value.Dispose();
+		}
+	}
+}