Add ultimate xr

Assets/UltimateXR/Editor/Utilities/TransformUtils/LookAtWindow.cs

@@ -0,0 +1,78 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="LookAtWindow.cs" company="VRMADA">
+//   Copyright (c) VRMADA, All rights reserved.
+// </copyright>
+// --------------------------------------------------------------------------------------------------------------------
+using UltimateXR.Core;
+using UnityEditor;
+using UnityEngine;
+
+namespace UltimateXR.Editor.Utilities.TransformUtils
+{
+    /// <summary>
+    ///     Custom tool window to implement a LookAt on an object transform.
+    /// </summary>
+    public class LookAtWindow : EditorWindow
+    {
+        #region Unity
+
+        /// <summary>
+        ///     Draws the inspector and gathers user input.
+        /// </summary>
+        private void OnGUI()
+        {
+            EditorGUILayout.HelpBox("This utility will make an object face a target. The look-at direction will be applied to the object's forward vector", MessageType.Info);
+
+            EditorGUI.BeginChangeCheck();
+            Transform objectToLookAt = _object;
+            _object = EditorGUILayout.ObjectField(new GUIContent("Object", ""), _object, typeof(Transform), true) as Transform;
+            if (EditorGUI.EndChangeCheck())
+            {
+                if (EditorUtility.IsPersistent(_object))
+                {
+                    _object = objectToLookAt;
+                    EditorUtility.DisplayDialog(UxrConstants.Editor.Error, "The object to process needs to be in the scene", UxrConstants.Editor.Ok);
+                }
+            }
+
+            _target = EditorGUILayout.ObjectField(new GUIContent("Target", ""), _target, typeof(Transform), true) as Transform;
+
+            _invertForward = EditorGUILayout.Toggle(new GUIContent("Invert Forward"), _invertForward);
+
+            GUI.enabled = _object && _target;
+
+            if (UxrEditorUtils.CenteredButton(new GUIContent("Look At")))
+            {
+                Undo.RegisterCompleteObjectUndo(_object.transform, "Look at object");
+                Vector3 forward = _target.position - _object.position;
+                _object.rotation = Quaternion.LookRotation(_invertForward ? -forward : forward);
+            }
+
+            GUI.enabled = true;
+        }
+
+        #endregion
+
+        #region Private Methods
+
+        /// <summary>
+        ///     Menu entry that invokes the tool.
+        /// </summary>
+        [MenuItem(UxrConstants.Editor.MenuPathUtils + "LookAt Object", priority = UxrConstants.Editor.PriorityMenuPathUtils + 2)]
+        private static void Init()
+        {
+            LookAtWindow window = (LookAtWindow)GetWindow(typeof(LookAtWindow), true, "LookAt Object");
+            window.Show();
+        }
+
+        #endregion
+
+        #region Private Types & Data
+
+        private Transform _object;
+        private Transform _target;
+        private bool      _invertForward;
+
+        #endregion
+    }
+}