internal void ClearRender()
{
DynaShapeViewExtension.ViewModel.RequestViewRefresh -= RequestViewRefreshHandler;
DynaShapeViewExtension.DynamoWindow.Dispatcher.Invoke(() =>
{
List <Model3D> sceneItems = DynaShapeViewExtension.GetSceneItems();
if (sceneItems.Contains(pointModel))
{
sceneItems.Remove(pointModel);
}
pointModel.Detach();
pointModel.Dispose();
if (sceneItems.Contains(lineModel))
{
sceneItems.Remove(lineModel);
}
lineModel.Detach();
lineModel.Dispose();
if (sceneItems.Contains(billboardTextModel))
{
sceneItems.Remove(billboardTextModel);
}
billboardTextModel.Detach();
billboardTextModel.Dispose();
foreach (MeshGeometryModel3D meshModel in meshModels)
{
if (sceneItems.Contains(meshModel))
{
sceneItems.Remove(meshModel);
}
meshModel.Detach();
meshModel.Dispose();
}
});
}
private void RenderAction()
{
Viewport3DX viewport = DynaShapeViewExtension.GetViewport();
List <Model3D> sceneItems = viewport.ItemsSource as List <Model3D>;
pointGeometry = new PointGeometry3D
{
Positions = new Vector3Collection(),
Indices = new IntCollection(),
Colors = new Color4Collection()
};
lineGeometry = new LineGeometry3D()
{
Positions = new Vector3Collection(),
Indices = new IntCollection(),
Colors = new Color4Collection()
};
foreach (MeshGeometryModel3D meshModel in meshModels)
{
meshModel.Detach();
if (sceneItems.Contains(meshModel))
{
sceneItems.Remove(meshModel);
}
}
meshModels = new List <MeshGeometryModel3D>();
//============================================
// Render nodes as points
//============================================
for (int i = 0; i < solver.Nodes.Count; i++)
{
pointGeometry.Positions.Add(new Vector3(
solver.Nodes[i].Position.X,
solver.Nodes[i].Position.Z,
-solver.Nodes[i].Position.Y));
pointGeometry.Colors.Add(new Color4(0.8f, 0.2f, 0.2f, 1f));
pointGeometry.Indices.Add(i);
}
//==============================================================
// Render geometries from geometry binders
//==============================================================
foreach (GeometryBinder geometryBinder in solver.GeometryBinders)
{
geometryBinder.CreateDisplayedGeometries(this, solver.Nodes);
}
//============================================================================
// Render GUI elements
//============================================================================
RenderGUI();
//==============================================================
// Attach the geometries to Helix render host
//==============================================================
if (pointGeometry.Positions.Count >= 1)
{
pointModel.Geometry = pointGeometry;
if (!pointModel.IsAttached)
{
pointModel.Attach(viewport.RenderHost);
}
if (!sceneItems.Contains(pointModel))
{
sceneItems.Add(pointModel);
}
}
else
{
pointModel.Detach();
if (sceneItems.Contains(pointModel))
{
sceneItems.Remove(pointModel);
}
}
if (lineGeometry.Positions.Count >= 2)
{
lineModel.Geometry = lineGeometry;
if (!lineModel.IsAttached)
{
lineModel.Attach(viewport.RenderHost);
}
if (!sceneItems.Contains(lineModel))
{
sceneItems.Add(lineModel);
}
}
else
{
lineModel.Detach();
if (sceneItems.Contains(lineModel))
{
sceneItems.Remove(lineModel);
}
}
foreach (MeshGeometryModel3D meshModel in meshModels)
{
if (meshModel.Geometry.Positions.Count >= 3)
{
meshModel.Attach(viewport.RenderHost);
sceneItems.Add(meshModel);
}
}
}