Initial Commit

2025-07-04 20:33:06 +03:00
commit 8f09347ae0
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+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using UnityEngine;
+
+/// <summary>
+/// This sample shows you how to implement a scene manager with the following features:
+///   * Fetch all room scene anchors
+///   * Fetch all child scene anchors of a room
+///   * Set the location, and name of the object as label
+///   * Spawn primitive geometry to match the scene anchor's plane, volume or mesh data
+///
+/// There is a fallback for running scene capture if no rooms were found.
+/// </summary>
+public class BasicSceneManager : MonoBehaviour
+{
+    void Start()
+    {
+        SceneManagerHelper.RequestScenePermission();
+
+        LoadSceneAsync();
+    }
+
+    async void LoadSceneAsync()
+    {
+        // fetch all rooms, with a SceneCapture fallback
+        var rooms = new List<OVRAnchor>();
+        await OVRAnchor.FetchAnchorsAsync<OVRRoomLayout>(rooms);
+        if (rooms.Count == 0)
+        {
+            var sceneCaptured = await SceneManagerHelper.RequestSceneCapture();
+            if (!sceneCaptured)
+                return;
+
+            await OVRAnchor.FetchAnchorsAsync<OVRRoomLayout>(rooms);
+        }
+
+        // fetch room elements, create objects for them
+        var tasks = rooms.Select(async room =>
+        {
+            var roomObject = new GameObject($"Room-{room.Uuid}");
+            if (!room.TryGetComponent(out OVRAnchorContainer container))
+                return;
+
+            var children = new List<OVRAnchor>();
+            await container.FetchChildrenAsync(children);
+            await CreateSceneAnchors(roomObject, children);
+        }).ToList();
+        await Task.WhenAll(tasks);
+    }
+
+    async Task CreateSceneAnchors(GameObject roomGameObject, List<OVRAnchor> anchors)
+    {
+        // we create tasks to iterate all anchors in parallel
+        var tasks = anchors.Select(async anchor =>
+        {
+            // can we locate it in the world?
+            if (!anchor.TryGetComponent(out OVRLocatable locatable))
+                return;
+            await locatable.SetEnabledAsync(true);
+
+            // get semantic classification for object name
+            var label = "other";
+            if (anchor.TryGetComponent(out OVRSemanticLabels labels))
+                label = labels.Labels;
+
+            // create and parent Unity game object
+            var gameObject = new GameObject(label);
+            gameObject.transform.SetParent(roomGameObject.transform);
+
+            // set location and create objects for 2D, 3D, triangle mesh
+            var helper = new SceneManagerHelper(gameObject);
+            helper.SetLocation(locatable);
+
+            if (anchor.TryGetComponent(out OVRBounded2D b2d) && b2d.IsEnabled)
+                helper.CreatePlane(b2d);
+            if (anchor.TryGetComponent(out OVRBounded3D b3d) && b3d.IsEnabled)
+                helper.CreateVolume(b3d);
+        }).ToList();
+
+        await Task.WhenAll(tasks);
+    }
+}