private void CreateRandomScene()
{
SceneObjectsContainer.Children.Clear();
for (int i = 0; i < 10; i++)
{
var boxModel = new Ab3d.Visuals.BoxVisual3D()
{
CenterPosition = new Point3D(_rnd.NextDouble() * 400 - 200, _rnd.NextDouble() * 40 - 20, _rnd.NextDouble() * 400 - 200),
Size = new Size3D(50, 20, 50),
Material = _normalMaterial
};
SceneObjectsContainer.Children.Add(boxModel);
// Use EventManager from Ab3d.PowerToys to add support for click event on the box model
var visualEventSource3D = new Ab3d.Utilities.VisualEventSource3D(boxModel);
visualEventSource3D.MouseClick += delegate(object sender, MouseButton3DEventArgs e)
{
var selectedBoxModel = e.HitObject as Ab3d.Visuals.BoxVisual3D;
SelectObject(selectedBoxModel);
};
_eventManager.RegisterEventSource3D(visualEventSource3D);
// Automatically select first box
if (_selectedBoxModel == null)
{
SelectObject(boxModel);
}
}
}
private void SetupContent()
{
var boxVisual3D = new Ab3d.Visuals.BoxVisual3D()
{
Size = new Size3D(50, 20, 30),
Material = new DiffuseMaterial(Brushes.Green)
};
_viewport3D.Children.Add(boxVisual3D);
}
private void SetupContent()
{
var box1 = new Ab3d.Visuals.BoxVisual3D()
{
CenterPosition = new Point3D(0, 5, 0),
Size = new Size3D(40, 10, 40),
Material = new DiffuseMaterial(Brushes.Orange)
};
_viewport3D.Children.Add(box1);
var box2 = new Ab3d.Visuals.BoxVisual3D()
{
CenterPosition = new Point3D(0, 20, 0),
Size = new Size3D(32, 20, 32),
Material = new DiffuseMaterial(Brushes.Aqua)
};
_viewport3D.Children.Add(box2);
var wireGridVisual3D = new Ab3d.Visuals.WireGridVisual3D()
{
CenterPosition = new Point3D(0, -0.1, 0),
Size = new Size(160, 160),
WidthCellsCount = 16,
HeightCellsCount = 16,
MajorLinesFrequency = 4,
LineColor = Colors.LightGray,
LineThickness = 1,
MajorLineColor = Colors.DimGray,
MajorLineThickness = 1.5,
};
_viewport3D.Children.Add(wireGridVisual3D);
// Uncomment this code to add 11 boxes with different transparency levels.
// This can be used to test saving to png files with using pre-multiplied or non pre-multiplied alpha color.
//for (int i = 0; i <= 10; i++)
//{
// var box = new Ab3d.Visuals.BoxVisual3D()
// {
// CenterPosition = new Point3D(-100 + i * 20, -30, 0),
// Size = new Size3D(15, 15, 15),
// Material = new DiffuseMaterial(new SolidColorBrush(Color.FromArgb((byte)(25.5 * i), (byte)255, (byte)255,(byte)0)))
// };
// _viewport3D.Children.Add(box);
//}
}
private void SelectBox(BoxVisual3D selectedBoxVisual3D)
{
if (_selectedBoxVisual3D != null)
{
_selectedBoxVisual3D.Material = _standardMaterial;
}
if (selectedBoxVisual3D != null)
{
selectedBoxVisual3D.Material = _selectedMaterial;
_selectedBoxVisual3D = selectedBoxVisual3D;
MoveCameraTo(selectedBoxVisual3D);
}
}
private void CreateRandomScene()
{
ObjectsRootVisual3D.Children.Clear();
for (int i = 0; i < 6; i++)
{
var randomCenterPosition = new Point3D(_rnd.NextDouble() * 100 - 50, _rnd.NextDouble() * 60 - 30, _rnd.NextDouble() * 100 - 50);
var boxVisual3D = new Ab3d.Visuals.BoxVisual3D()
{
CenterPosition = randomCenterPosition,
Size = new Size3D(10, 8, 10),
Material = new DiffuseMaterial(Brushes.Silver)
};
ObjectsRootVisual3D.Children.Add(boxVisual3D);
}
}
public void SelectObject(Ab3d.Visuals.BoxVisual3D selectedBox)
{
_selectedBoxModel = selectedBox;
if (_selectedBoxModel == null)
{
return;
}
ModelMover.Position = GetSelectedModelWorldPosition(); // GetSelectedModelPosition gets the _selectedBoxModel.CenterPosition and transforms it with the transformations of parent ModelVisual3D objects
// Tell ModelDecoratorVisual3D which Model3D to show
SelectedModelDecorator.TargetModel3D = _selectedBoxModel.Content;
// NOTE:
// When the 3D models are organized into hierarchy of models with using different ModelVisual3D or Model3DGroup objects,
// you also need to so specify the SelectedModelDecorator.RootModelVisual3D in order to get the correct position of the TargetModel3D
}
private void SelectObject(Ab3d.Visuals.BoxVisual3D selectedBox)
{
_selectedBoxModel = selectedBox;
if (_selectedBoxModel == null)
{
return;
}
ModelMover.Position = _selectedBoxModel.CenterPosition;
// Tell ModelDecoratorVisual3D which Model3D to show
SelectedModelDecorator.TargetModel3D = _selectedBoxModel.Content;
// NOTE:
// When the 3D models are organized into hierarchy of models with using different ModelVisual3D or Model3DGroup objects,
// you also need to so specify the SelectedModelDecorator.RootModelVisual3D in order to get the correct position of the TargetModel3D
}
private void CreateSceneObjects()
{
// We store bounding box and current visibility status into a FrustumVisibilityStatus struct.
// This way the frustum checks are optimized because we do not need to convert from WPF positions to SharpDX Vector3.
// Also accessing DependencyProperties (CenterPosition, Size) is very slow.
//
// Also the organization of all FrustumVisibilityStatus structs in one array will give us
// very memory cache friendly organization of data.
var frustumStatuses = new List <FrustumVisibilityStatus>();
var halfBoxSize = 5;
var boxSize = new Size3D(halfBoxSize * 2, halfBoxSize * 2, halfBoxSize * 2);
for (int x = 0; x < 10; x++)
{
for (int z = 0; z < 10; z++)
{
for (int y = 0; y < 4; y++)
{
var centerPosition = new Point3D(-200 + 40 * x, y * 40, -200 + 40 * z);
var boxVisual3D = new Ab3d.Visuals.BoxVisual3D()
{
CenterPosition = centerPosition,
Size = boxSize,
Material = _fullyVisibleMaterial
};
BoxesRootVisual3D.Children.Add(boxVisual3D);
frustumStatuses.Add(new FrustumVisibilityStatus(boxVisual3D, new BoundingBox(new Vector3((float)centerPosition.X - halfBoxSize, (float)centerPosition.Y - halfBoxSize, (float)centerPosition.Z - halfBoxSize),
new Vector3((float)centerPosition.X + halfBoxSize, (float)centerPosition.Y + halfBoxSize, (float)centerPosition.Z + halfBoxSize))));
}
}
}
// Convert to array. This will allow use to change Visibility field with passing array item by ref.
_frustumStatuses = frustumStatuses.ToArray();
Camera1.Refresh();
UpdateVisibleBoxes();
}
public void SelectObject(Ab3d.Visuals.BoxVisual3D selectedBox)
{
_selectedBoxModel = selectedBox;
if (_selectedBoxModel == null)
{
return;
}
var position = GetSelectedModelWorldPosition(); // GetSelectedModelPosition gets the _selectedBoxModel.CenterPosition and transforms it with the transformations of parent ModelVisual3D objects
// Because ModelMoverVisual3D is in a separate Viewport3D that does not use the ZUpMatrix transformation,
// we need to transform the position from z up coordinate system into the standard WPF 3D coordinate system:
_modelMover.Position = _zUpTransform3D.Transform(position);
// Tell ModelDecoratorVisual3D which Model3D to show
SelectedModelDecorator.TargetModel3D = _selectedBoxModel.Content;
// NOTE:
// When the 3D models are organized into hierarchy of models with using different ModelVisual3D or Model3DGroup objects,
// you also need to so specify the SelectedModelDecorator.RootModelVisual3D in order to get the correct position of the TargetModel3D
}
private void CreateSceneObjects()
{
for (int y = 0; y < 5; y++)
{
for (int x = 0; x < 6; x++)
{
var boxVisual3D = new Ab3d.Visuals.BoxVisual3D()
{
CenterPosition = new Point3D(40 * x - 100, 6, y * 40 - 80),
Size = new Size3D(10, 10, 10),
Material = _standardMaterial
};
SelectionRootModelVisual3D.Children.Add(boxVisual3D);
}
}
// Use EventManager3D to handle clicking on selected boxes
var eventManager3D = new Ab3d.Utilities.EventManager3D(MainViewport);
var multiVisualEventSource3D = new MultiVisualEventSource3D(SelectionRootModelVisual3D.Children);
multiVisualEventSource3D.MouseEnter += delegate(object sender, Mouse3DEventArgs e)
{
Mouse.OverrideCursor = Cursors.Hand;
var hitBoxVisual3D = e.HitObject as Ab3d.Visuals.BoxVisual3D;
if (hitBoxVisual3D != null)
{
_wireBoxVisual3D.CenterPosition = hitBoxVisual3D.CenterPosition;
_wireBoxVisual3D.Size = hitBoxVisual3D.Size;
MainViewport.Children.Add(_wireBoxVisual3D);
}
};
multiVisualEventSource3D.MouseLeave += delegate(object sender, Mouse3DEventArgs e)
{
Mouse.OverrideCursor = null;
if (_wireBoxVisual3D != null)
{
MainViewport.Children.Remove(_wireBoxVisual3D);
}
};
multiVisualEventSource3D.MouseClick += delegate(object sender, MouseButton3DEventArgs e)
{
if (_selectedBoxVisual3D != null)
{
_selectedBoxVisual3D.Material = _standardMaterial;
}
var hitBoxVisual3D = e.HitObject as Ab3d.Visuals.BoxVisual3D;
if (hitBoxVisual3D != null)
{
hitBoxVisual3D.Material = _selectedMaterial;
_selectedBoxVisual3D = hitBoxVisual3D;
if (_wireBoxVisual3D != null)
{
MainViewport.Children.Remove(_wireBoxVisual3D);
}
MoveCameraTo(hitBoxVisual3D);
}
else
{
_selectedBoxVisual3D = null;
}
};
eventManager3D.RegisterEventSource3D(multiVisualEventSource3D);
// Exclude _wireBoxVisual3D from receiving mouse events
eventManager3D.RegisterExcludedVisual3D(_wireBoxVisual3D);
}