Code structure cleanup.

Assets/Cryville/Crtr/UI/Popup.cs

@@ -0,0 +1,37 @@
+using System;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Cryville.Crtr.UI {
+	public class Popup : MonoBehaviour {
+		public string Message = "";
+		CanvasGroup group;
+		float timer = 0;
+
+		const float DURATION = 5.0f;
+		const float DURIN = 0.4f;
+		const float DUROUT = 0.4f;
+
+		void Start() {
+			group = GetComponent<CanvasGroup>();
+			group.alpha = 0;
+			GetComponentInChildren<Text>().text = Message;
+			transform.SetParent(GameObject.Find("PopupList").transform, false);
+		}
+
+		void Update() {
+			if (timer <= DURIN) group.alpha = timer / DURIN;
+			else if (timer >= DURATION) GameObject.Destroy(gameObject);
+			else if (timer >= DURATION - DUROUT) group.alpha = (DURATION - timer) / DUROUT;
+			timer += Time.deltaTime;
+		}
+
+		public static void CreateException(Exception ex) {
+			Create(ex.Message);
+		}
+
+		public static void Create(string msg) {
+			Instantiate(Resources.Load<GameObject>("Common/Popup")).GetComponent<Popup>().Message = msg;
+		}
+	}
+}