add cursor toggle, master volume

Assets/GUIWindows/Scripts/GUIWindowUtils.cs

@@ -0,0 +1,67 @@
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+#if UNITY_EDITOR
+using UnityEditor;
+#endif
+namespace Rellac.Windows
+{
+	public static class GUIWindowUtils
+	{
+#if UNITY_EDITOR
+		[MenuItem("GameObject/UI/Window")]
+		public static void InstantiateWindow()
+		{
+			NewWindow();
+		}
+#endif
+
+		public static GameObject NewWindow()
+		{
+			Object prefab = Resources.Load("WindowUIComponent");
+			Canvas canvas = GameObject.FindObjectOfType<Canvas>();
+			if (canvas == null)
+			{
+				// Create default canvas
+				GameObject newCanvas = new GameObject("Canvas");
+				canvas = newCanvas.AddComponent<Canvas>();
+				canvas.renderMode = RenderMode.ScreenSpaceOverlay;
+				newCanvas.AddComponent<CanvasScaler>();
+				newCanvas.AddComponent<GraphicRaycaster>();
+				if (GameObject.FindObjectOfType<EventSystem>() == null)
+				{
+					// Create defalut EventSystem
+					new GameObject("EventSystem").AddComponent<EventSystem>(). // create new GameObject with EventSystem
+						gameObject.AddComponent<StandaloneInputModule>() // add Input Module
+#if UNITY_5_3_OR_NEWER
+						; // we don't need the Touch Input Module at 5.3+
+#else
+						.gameObject.AddComponent<TouchInputModule>();
+#endif
+				}
+			}
+			GameObject go = (GameObject)GameObject.Instantiate(prefab);
+			go.transform.SetParent(canvas.transform);
+			go.transform.localPosition = Vector2.zero;
+			go.name = "Window";
+			return go;
+		}
+
+		public static void SetPivot(this RectTransform rectTransform, Vector2 pivot)
+		{
+			if (rectTransform == null) return;
+
+			Vector2 size = rectTransform.rect.size;
+			Vector2 deltaPivot = rectTransform.pivot - pivot;
+			Vector3 deltaPosition = new Vector3(deltaPivot.x * size.x, deltaPivot.y * size.y);
+			rectTransform.pivot = pivot;
+			rectTransform.localPosition -= deltaPosition;
+		}
+
+		public static Vector3 MousePosition()
+        {
+            var mousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
+            return new Vector3(mousePos.x, mousePos.y, 0);
+        }
+	}
+}