void LoadModel()
{
// Clean up existing model
if (m_ModelInstance != null)
{
GameObject.Destroy(m_ModelInstance.gameObject);
}
// Early out if we don't have a model to clone.
// This can happen if model loading is deferred.
if (m_Model == null || m_Model.m_ModelParent == null)
{
return;
}
m_ModelInstance = Instantiate(m_Model.m_ModelParent);
m_ModelInstance.gameObject.SetActive(true);
m_ModelInstance.parent = this.transform;
Coords.AsLocal[m_ModelInstance] = TrTransform.identity;
float maxExtent = 2 * Mathf.Max(m_Model.m_MeshBounds.extents.x,
Mathf.Max(m_Model.m_MeshBounds.extents.y, m_Model.m_MeshBounds.extents.z));
float size;
if (maxExtent == 0.0f)
{
// If we created a widget with a model that doesn't have geo, we won't have calculated a
// bounds worth much. In that case, give us a default size.
size = 1.0f;
}
else
{
size = kInitialSizeMeters_RS * App.METERS_TO_UNITS / maxExtent;
}
m_InitSize_CS = size / Coords.CanvasPose.scale;
// Models are created in the main canvas. Cache model layer in case it's overridden later.
HierarchyUtils.RecursivelySetLayer(transform, App.Scene.MainCanvas.gameObject.layer);
m_BackupLayer = m_ModelInstance.gameObject.layer;
// Set a new batchId on this model so it can be picked up in GPU intersections.
m_BatchId = GpuIntersector.GetNextBatchId();
HierarchyUtils.RecursivelySetMaterialBatchID(m_ModelInstance, m_BatchId);
WidgetManager.m_Instance.AddWidgetToBatchMap(this, m_BatchId);
Vector3 ratios = GetBoundsRatios(m_Model.m_MeshBounds);
m_ContainerBloat.x = Mathf.Max(0, m_MinContainerRatio - ratios.x);
m_ContainerBloat.y = Mathf.Max(0, m_MinContainerRatio - ratios.y);
m_ContainerBloat.z = Mathf.Max(0, m_MinContainerRatio - ratios.z);
m_ContainerBloat /= m_MinContainerRatio; // Normalize for the min ratio.
m_ContainerBloat *= m_MaxBloat / App.Scene.Pose.scale; // Apply bloat to appropriate axes.
m_BoxCollider.size = m_Model.m_MeshBounds.size + m_ContainerBloat;
m_BoxCollider.transform.localPosition = m_Model.m_MeshBounds.center;
InitSnapGhost(m_Model.m_ModelParent, m_ModelInstance);
// Remove previous model vertex recording.
WidgetManager.m_Instance.AdjustModelVertCount(-m_NumVertsTrackedByWidgetManager);
m_NumVertsTrackedByWidgetManager = 0;
m_ObjModelScript = GetComponentInChildren <ObjModelScript>();
m_ObjModelScript.Init();
if (m_ObjModelScript.NumMeshes == 0)
{
OutputWindowScript.Error("No usable geometry in model");
}
else
{
m_NumVertsTrackedByWidgetManager = m_ObjModelScript.GetNumVertsInMeshes();
WidgetManager.m_Instance.AdjustModelVertCount(m_NumVertsTrackedByWidgetManager);
}
if (m_Model.IsCached())
{
m_Model.RefreshCache();
}
}
public int GetNumVertsInModel()
{
return((m_ObjModelScript != null) ? m_ObjModelScript.GetNumVertsInMeshes() : 0);
}