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Assets/Oculus/VR/Scripts/Util/OVRPointerEventData.cs

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+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ * All rights reserved.
+ *
+ * Licensed under the Oculus SDK License Agreement (the "License");
+ * you may not use the Oculus SDK except in compliance with the License,
+ * which is provided at the time of installation or download, or which
+ * otherwise accompanies this software in either electronic or hard copy form.
+ *
+ * You may obtain a copy of the License at
+ *
+ * https://developer.oculus.com/licenses/oculussdk/
+ *
+ * Unless required by applicable law or agreed to in writing, the Oculus SDK
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System;
+using System.Text;
+using UnityEngine;
+using UnityEngine.Assertions;
+
+
+namespace UnityEngine.EventSystems
+{
+    /// <summary>
+    /// Extension of Unity's PointerEventData to support ray based pointing and also touchpad swiping
+    /// </summary>
+    [HelpURL("https://developer.oculus.com/reference/unity/latest/class_o_v_r_pointer_event_data")]
+    public class OVRPointerEventData : PointerEventData
+    {
+        public OVRPointerEventData(EventSystem eventSystem)
+            : base(eventSystem)
+        {
+        }
+
+        public Ray worldSpaceRay;
+        public Vector2 swipeStart;
+
+        public override string ToString()
+        {
+            var sb = new StringBuilder();
+            sb.AppendLine("<b>Position</b>: " + position);
+            sb.AppendLine("<b>delta</b>: " + delta);
+            sb.AppendLine("<b>eligibleForClick</b>: " + eligibleForClick);
+            sb.AppendLine("<b>pointerEnter</b>: " + pointerEnter);
+            sb.AppendLine("<b>pointerPress</b>: " + pointerPress);
+            sb.AppendLine("<b>lastPointerPress</b>: " + lastPress);
+            sb.AppendLine("<b>pointerDrag</b>: " + pointerDrag);
+            sb.AppendLine("<b>worldSpaceRay</b>: " + worldSpaceRay);
+            sb.AppendLine("<b>swipeStart</b>: " + swipeStart);
+            sb.AppendLine("<b>Use Drag Threshold</b>: " + useDragThreshold);
+            return sb.ToString();
+        }
+    }
+
+
+    /// <summary>
+    /// Static helpers for OVRPointerEventData.
+    /// </summary>
+    public static class PointerEventDataExtension
+    {
+        public static bool IsVRPointer(this PointerEventData pointerEventData)
+        {
+            return (pointerEventData is OVRPointerEventData);
+        }
+
+        public static Ray GetRay(this PointerEventData pointerEventData)
+        {
+            OVRPointerEventData vrPointerEventData = pointerEventData as OVRPointerEventData;
+            Assert.IsNotNull(vrPointerEventData);
+
+            return vrPointerEventData.worldSpaceRay;
+        }
+
+        public static Vector2 GetSwipeStart(this PointerEventData pointerEventData)
+        {
+            OVRPointerEventData vrPointerEventData = pointerEventData as OVRPointerEventData;
+            Assert.IsNotNull(vrPointerEventData);
+
+            return vrPointerEventData.swipeStart;
+        }
+
+        public static void SetSwipeStart(this PointerEventData pointerEventData, Vector2 start)
+        {
+            OVRPointerEventData vrPointerEventData = pointerEventData as OVRPointerEventData;
+            Assert.IsNotNull(vrPointerEventData);
+
+            vrPointerEventData.swipeStart = start;
+        }
+    }
+}