示例#1
0
        void Update()
        {
            GetPose(out pos, out rot, FrameOffset);
            TransformValidation.ValidatePose(ref pos, ref rot);

            // Update local transform with pose data from the network.
            // Use local transform, so we can child this gameobject to the scene anchor.
            try
            {
                if (gameObject.transform.parent != null &&
                    gameObject.transform.parent.lossyScale != Vector3.one)
                {
                    // If the object we are anchored to has a non-identity scale,
                    // the anchor we get from the pose provider will be off by the scale factor.
                    Vector3 scale = gameObject.transform.parent.lossyScale;
                    gameObject.transform.localPosition = new Vector3(
                        UpdateSVTransformFromParentScale(pos.x, scale.x),
                        UpdateSVTransformFromParentScale(pos.y, scale.y),
                        UpdateSVTransformFromParentScale(pos.z, scale.z)
                        );
                }
                else
                {
                    // Otherwise, our scale is one and we can set the position as we got it.
                    gameObject.transform.localPosition = pos;
                }

                gameObject.transform.localRotation = rot;
            }
            catch (Exception ex)
            {
                Debug.LogWarning("Error getting position and rotation from SV: " + ex.Message);
            }

            if (!frameProviderInitialized)
            {
                frameProviderInitialized = InitializeFrameProvider();
            }

            UpdateCompositor();
            if (spatialMapping == null)
            {
                spatialMapping = new SpatialMapping();
            }
            spatialMapping.UpdateSpatialMapping(transform.parent, SpatialMappingMaterial);
        }
        public void UpdateSpatialMapping(Transform parent, Material SpatialMappingMaterial)
        {
            int numSpatialMappingMeshes = 0;

            if (IsSpatialMappingDataReady(out numSpatialMappingMeshes))
            {
                // Set parent transform and remove previous meshes.
                spatialMappingParent.transform.SetParent(parent);
                spatialMappingParent.transform.localPosition = Vector3.zero;
                spatialMappingParent.transform.localRotation = Quaternion.identity;

                foreach (GameObject go in spatialMappingMeshes)
                {
                    GameObject.DestroyImmediate(go);
                }
                spatialMappingMeshes.Clear();

                // Find largest sizes for index and vertex buffers.
                int largestNumVertices = int.MinValue;
                int largestNumIndices  = int.MinValue;
                int numVertices;
                int numIndices;
                for (int i = 0; i < numSpatialMappingMeshes; i++)
                {
                    if (GetSpatialMappingDataBufferLengths(i, out numVertices, out numIndices))
                    {
                        if (numVertices > largestNumVertices)
                        {
                            largestNumVertices = numVertices;
                        }

                        if (numIndices > largestNumIndices)
                        {
                            largestNumIndices = numIndices;
                        }
                    }
                }

                IntPtr nativeVertices = Marshal.AllocHGlobal(largestNumVertices * 3 * sizeof(float));
                IntPtr nativeIndices  = Marshal.AllocHGlobal(largestNumIndices * sizeof(short));

                for (int i = 0; i < numSpatialMappingMeshes; i++)
                {
                    if (GetSpatialMappingDataBufferLengths(i, out numVertices, out numIndices))
                    {
                        float[] vertexElements = new float[numVertices * 3];
                        short[] indices        = new short[numIndices];

                        if (numVertices <= 0 || numIndices <= 0)
                        {
                            return;
                        }

                        Vector3    meshTrans;
                        Quaternion meshRot;
                        Vector3    meshScale;
                        if (GetSpatialMappingData(i, out meshTrans, out meshRot, out meshScale, out nativeVertices, out nativeIndices))
                        {
                            TransformValidation.ValidateVector(ref meshTrans);
                            TransformValidation.ValidateVector(ref meshScale);
                            meshRot = TransformValidation.GetNormalizedQuaternion(meshRot);

                            Marshal.Copy(nativeVertices, vertexElements, 0, numVertices * 3);
                            Marshal.Copy(nativeIndices, indices, 0, numIndices);

                            List <Vector3> vertices = new List <Vector3>();
                            for (int v = 0; v < vertexElements.Length; v += 3)
                            {
                                Vector3 vertex = new Vector3(
                                    vertexElements[v],
                                    vertexElements[v + 1],
                                    vertexElements[v + 2]
                                    );

                                vertices.Add(vertex);
                            }

                            int[] int_indices = new int[numIndices];
                            for (int idx = 0; idx < numIndices; idx++)
                            {
                                int_indices[idx] = (int)indices[idx];
                            }

                            // Create spatial mapping meshes.
                            GameObject go = GameObject.CreatePrimitive(PrimitiveType.Cube);
                            go.name = "SpatialMapping_" + i.ToString();
                            go.transform.SetParent(spatialMappingParent.transform);

                            go.transform.localPosition = meshTrans;
                            go.transform.localRotation = meshRot;

                            // Scale coming from device is larger by a factor of 5.
                            go.transform.localScale = meshScale / 5.0f;

                            if (SpatialMappingMaterial != null)
                            {
                                go.GetComponent <Renderer>().material = SpatialMappingMaterial;
                            }

                            spatialMappingMeshes.Add(go);

                            GameObject.DestroyImmediate(go.GetComponent <Collider>());
                            MeshFilter filter = go.GetComponent <MeshFilter>();
                            filter.mesh       = new Mesh();
                            filter.sharedMesh = filter.mesh;

                            Mesh mesh = filter.sharedMesh;
                            mesh.Clear();

                            mesh.SetVertices(vertices);
                            mesh.SetIndices(int_indices, MeshTopology.Triangles, 0);

                            mesh.RecalculateNormals();
                            mesh.RecalculateBounds();

                            Debug.Log(String.Format("Received spatial mapping mesh {0} with {1} vertices and {2} indices", i, numVertices, numIndices));
                        }
                    }
                }

                //TODO: We should be freeing the memory we allocated for the index and vertex buffers, but this was deadlocking.
                //Marshal.FreeHGlobal(nativeVertices);
                //Marshal.FreeHGlobal(nativeIndices);

                // When receiving spatial mapping data, some amount of time will pass without receiving any pose data.
                // To ensure our poses remain synced, force a reset of our pose cache.
                ResetPoseCache();
            }
        }