/// <summary>
/// Extract and update (or create, if it doesn't exist) the mesh at the given grid index.
/// </summary>
/// <param name="gridIndex">Grid index.</param>
/// <param name="needsResize">List to which indicies needing a future resize will be added.</param>
private void _UpdateMeshAtGridIndex(Tango3DReconstruction.GridIndex gridIndex, List <Tango3DReconstruction.GridIndex> needsResize)
{
TangoSingleDynamicMesh dynamicMesh;
if (!m_meshes.TryGetValue(gridIndex, out dynamicMesh))
{
// build a dynamic mesh as a child of this game object.
GameObject newObj = new GameObject();
newObj.transform.parent = transform;
newObj.name = string.Format("{0},{1},{2}", gridIndex.x, gridIndex.y, gridIndex.z);
newObj.layer = gameObject.layer;
dynamicMesh = newObj.AddComponent <TangoSingleDynamicMesh>();
dynamicMesh.m_vertices = new Vector3[INITIAL_VERTEX_COUNT];
if (m_tangoApplication.m_3drGenerateTexCoord)
{
dynamicMesh.m_uv = new Vector2[INITIAL_VERTEX_COUNT];
}
if (m_tangoApplication.m_3drGenerateColor)
{
dynamicMesh.m_colors = new Color32[INITIAL_VERTEX_COUNT];
}
dynamicMesh.m_triangles = new int[INITIAL_INDEX_COUNT];
// Update debug info too.
m_debugTotalVertices = dynamicMesh.m_vertices.Length;
m_debugTotalTriangles = dynamicMesh.m_triangles.Length;
// Add the other necessary objects
MeshFilter meshFilter = newObj.AddComponent <MeshFilter>();
dynamicMesh.m_mesh = meshFilter.mesh;
if (m_meshRenderer != null)
{
MeshRenderer meshRenderer = newObj.AddComponent <MeshRenderer>();
#if UNITY_5
meshRenderer.shadowCastingMode = m_meshRenderer.shadowCastingMode;
meshRenderer.receiveShadows = m_meshRenderer.receiveShadows;
meshRenderer.sharedMaterials = m_meshRenderer.sharedMaterials;
meshRenderer.useLightProbes = m_meshRenderer.useLightProbes;
meshRenderer.reflectionProbeUsage = m_meshRenderer.reflectionProbeUsage;
meshRenderer.probeAnchor = m_meshRenderer.probeAnchor;
#elif UNITY_4_6
meshRenderer.castShadows = m_meshRenderer.castShadows;
meshRenderer.receiveShadows = m_meshRenderer.receiveShadows;
meshRenderer.sharedMaterials = m_meshRenderer.sharedMaterials;
meshRenderer.useLightProbes = m_meshRenderer.useLightProbes;
meshRenderer.lightProbeAnchor = m_meshRenderer.lightProbeAnchor;
#endif
//meshRenderer.enabled = false;
}
if (m_meshCollider != null)
{
MeshCollider meshCollider = newObj.AddComponent <MeshCollider>();
meshCollider.convex = m_meshCollider.convex;
meshCollider.isTrigger = m_meshCollider.isTrigger;
meshCollider.sharedMaterial = m_meshCollider.sharedMaterial;
meshCollider.sharedMesh = dynamicMesh.m_mesh;
dynamicMesh.m_meshCollider = meshCollider;
}
m_meshes.Add(gridIndex, dynamicMesh);
}
// Last frame the mesh needed more space. Give it more room now.
if (dynamicMesh.m_needsToGrow)
{
int newVertexSize = (int)(dynamicMesh.m_vertices.Length * GROWTH_FACTOR);
int newTriangleSize = (int)(dynamicMesh.m_triangles.Length * GROWTH_FACTOR);
newTriangleSize -= newTriangleSize % 3;
// Remove the old size, add the new size.
m_debugTotalVertices += newVertexSize - dynamicMesh.m_vertices.Length;
m_debugTotalTriangles += newTriangleSize - dynamicMesh.m_triangles.Length;
dynamicMesh.m_vertices = new Vector3[newVertexSize];
if (m_tangoApplication.m_3drGenerateTexCoord)
{
dynamicMesh.m_uv = new Vector2[newVertexSize];
}
if (m_tangoApplication.m_3drGenerateColor)
{
dynamicMesh.m_colors = new Color32[newVertexSize];
}
dynamicMesh.m_triangles = new int[newTriangleSize];
dynamicMesh.m_needsToGrow = false;
}
int numVertices;
int numTriangles;
Tango3DReconstruction.Status status = m_tangoApplication.Tango3DRExtractMeshSegment(
gridIndex, dynamicMesh.m_vertices, null, dynamicMesh.m_colors, dynamicMesh.m_triangles,
out numVertices, out numTriangles);
if (status != Tango3DReconstruction.Status.INSUFFICIENT_SPACE &&
status != Tango3DReconstruction.Status.SUCCESS)
{
Debug.Log("Tango3DR extraction failed, status code = " + status + Environment.StackTrace);
return;
}
else if (status == Tango3DReconstruction.Status.INSUFFICIENT_SPACE)
{
// We already spent the time extracting this mesh, let's not spend any more time this frame
// to extract the mesh.
Debug.Log(string.Format(
"TangoDynamicMesh.Update() extraction ran out of space with room for {0} vertexes, {1} indexes.",
dynamicMesh.m_vertices.Length, dynamicMesh.m_triangles.Length));
dynamicMesh.m_needsToGrow = true;
needsResize.Add(gridIndex);
}
// Make any leftover triangles degenerate.
for (int triangleIt = numTriangles * 3; triangleIt < dynamicMesh.m_triangles.Length; ++triangleIt)
{
dynamicMesh.m_triangles[triangleIt] = 0;
}
if (dynamicMesh.m_uv != null)
{
// Add texture coordinates.
for (int vertexIt = 0; vertexIt < numVertices; ++vertexIt)
{
Vector3 vertex = dynamicMesh.m_vertices[vertexIt];
dynamicMesh.m_uv[vertexIt].x = vertex.x * UV_PER_METERS;
dynamicMesh.m_uv[vertexIt].y = (vertex.z + vertex.y) * UV_PER_METERS;
}
}
dynamicMesh.m_mesh.Clear();
dynamicMesh.m_mesh.vertices = dynamicMesh.m_vertices;
dynamicMesh.m_mesh.uv = dynamicMesh.m_uv;
dynamicMesh.m_mesh.colors32 = dynamicMesh.m_colors;
dynamicMesh.m_mesh.triangles = dynamicMesh.m_triangles;
if (m_tangoApplication.m_3drGenerateNormal)
{
dynamicMesh.m_mesh.RecalculateNormals();
}
if (dynamicMesh.m_meshCollider != null)
{
// Force the mesh collider to update too.
dynamicMesh.m_meshCollider.sharedMesh = null;
dynamicMesh.m_meshCollider.sharedMesh = dynamicMesh.m_mesh;
}
}