private void CreateRandomScene()
{
SceneObjectsContainer.Children.Clear();
for (int i = 0; i < 10; i++)
{
var boxModel = new Ab3d.UIElements.BoxUIElement3D()
{
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.UIElements.BoxUIElement3D;
SelectObject(selectedBoxModel);
};
_eventManager.RegisterEventSource3D(visualEventSource3D);
// Automatically select first box
if (_selectedBoxModel == null)
{
boxModel.Refresh(); // Force creating the model
SelectObject(boxModel);
}
}
}
private void CreateRandomScene()
{
SceneObjectsContainer.Children.Clear();
for (int i = 0; i < 10; i++)
{
// Create simple box that user will be able to rotate
// In order to support rotation, we need to create the box at (0,0,0)
// and then after performing rotation, translate the object to its final location.
// If we would create the object at its final rotation (basically applying translation before rotation),
// then the box would not be rotated around its center but around the coordinate axes center.
var boxModel = new Ab3d.UIElements.BoxUIElement3D()
{
CenterPosition = new Point3D(0, 0, 0),
Size = new Size3D(50, 20, 50),
Material = _normalMaterial
};
// Create a StandardTransform3D
// StandardTransform3D is a class that generates a MatrixTransform3D based on the translate, rotate and scale transform.
// Note that because it is not possible to derive from WPF's Transform3D, the StandardTransform3D is a standalone class
// that provides its own MatrixTransform3D object that can be assigned to the 3D model.
// Its static SetStandardTransform3D and GetStandardTransform3D use a custom StandardTransform3DProperty
// to "attach" the StandardTransform3D object to Model3D or Visual3D. But this does not automatically set the
// object's transformation.
var standardTransform3D = new StandardTransform3D()
{
TranslateX = _rnd.NextDouble() * 400 - 200,
TranslateY = _rnd.NextDouble() * 40 - 20,
TranslateZ = _rnd.NextDouble() * 400 - 200,
};
// SetStandardTransform3D method will set the StandardTransform3DProperty to the standardTransform3D
// The updateTransform3D argument will also set the boxModel.Transform to standardTransform3D.Transform
StandardTransform3D.SetStandardTransform3D(boxModel, standardTransform3D, updateTransform3D: true);
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.UIElements.BoxUIElement3D;
SelectObject(selectedBoxModel);
};
_eventManager.RegisterEventSource3D(visualEventSource3D);
// Automatically select first box
if (_selectedBoxModel == null)
{
boxModel.Refresh(); // Force creating the model
SelectObject(boxModel);
}
}
}
private void CreateRandomScene()
{
SceneObjectsContainer.Children.Clear();
for (int i = 0; i < 10; i++)
{
// Create simple box that user will be able to rotate
// In order to support rotation, we need to create the box at (0,0,0)
// and then after performing rotation, translate the object to its final location.
// If we would create the object at its final rotation (basically applying translation before rotation),
// then the box would not be rotated around its center but around the coordinate axes center.
var boxModel = new Ab3d.UIElements.BoxUIElement3D()
{
CenterPosition = new Point3D(0, 0, 0),
Size = new Size3D(50, 20, 50),
Material = _normalMaterial
};
// Create Transform3DGroup that will hold the
var transform3DGroup = new Transform3DGroup();
transform3DGroup.Children.Add(new TranslateTransform3D(_rnd.NextDouble() * 400 - 200, _rnd.NextDouble() * 40 - 20, _rnd.NextDouble() * 400 - 200));
boxModel.Transform = transform3DGroup;
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.UIElements.BoxUIElement3D;
SelectObject(selectedBoxModel);
};
_eventManager.RegisterEventSource3D(visualEventSource3D);
// Automatically select first box
if (_selectedBoxModel == null)
{
boxModel.Refresh(); // Force creating the model
SelectObject(boxModel);
}
}
}
private void SelectObject(Ab3d.UIElements.BoxUIElement3D selectedBox)
{
// Deselect currently selected model
if (_selectedBoxModel != null)
{
// Set material back to normal
_selectedBoxModel.Material = _normalMaterial;
_selectedBoxModel.BackMaterial = null;
// Allow hit testing again - so user can select that object again
_selectedBoxModel.IsHitTestVisible = true;
_selectedBoxModel = null;
}
_selectedBoxModel = selectedBox;
if (_selectedBoxModel == null)
{
return;
}
// Prevent hit-testing in selected model
// This will allow clicking on the parts of move arrows that are inside the selected model
// Note that IsHitTestVisible is available only on models derived from UIElement3D (if you need that on GeometryModel3D or ModelVisual3D, then use ModelUIElement3D as parent of your model)
_selectedBoxModel.IsHitTestVisible = false;
// Change material to semi-transparent Silver
_selectedBoxModel.Material = _selectedMaterial;
_selectedBoxModel.BackMaterial = _selectedMaterial; // We also set BackMaterial so the inner side of boxes will be visible
// To render the transpant object correctly, we need to sort the objects so that the transparent objects are rendered after other objects
// We can use the TransparencySorter from Ab3d.PowerToys
// Note that it is also possible to use TransparencySorter with many advanced features - see the Model3DTransparencySortingSample for more info
TransparencySorter.SimpleSort(SceneObjectsContainer.Children);
// In our simple case (we have only one transparent object), we could also manually "sort" the objects with moving the transparent object to the back of the Children collection:
//SceneObjectsContainer.Children.Remove(_selectedBoxVisual3D);
//SceneObjectsContainer.Children.Add(_selectedBoxVisual3D);
var boxPosition = GetBoxPosition(_selectedBoxModel);
SelectedModelRotator.Position = boxPosition;
}
public void SelectObject(Ab3d.UIElements.BoxUIElement3D selectedBox)
{
// Deselect currently selected model
if (_selectedBoxModel != null)
{
// Set material back to normal
_selectedBoxModel.Material = _normalMaterial;
_selectedBoxModel.BackMaterial = null;
// Allow hit testing again - so user can select that object again
_selectedBoxModel.IsHitTestVisible = true;
_selectedBoxModel = null;
}
_selectedBoxModel = selectedBox;
if (_selectedBoxModel == null)
{
return;
}
// Prevent hit-testing in selected model
// This will allow clicking on the parts of move arrows that are inside the selected model
// Note that IsHitTestVisible is available only on models derived from UIElement3D (if you need that on GeometryModel3D or ModelVisual3D, then use ModelUIElement3D as parent of your model)
_selectedBoxModel.IsHitTestVisible = false;
// Change material to semi-transparent Silver
_selectedBoxModel.Material = _selectedMaterial;
_selectedBoxModel.BackMaterial = _selectedMaterial; // We also set BackMaterial so the inner side of boxes will be visible
// To render the transpant object correctly, we need to sort the objects so that the transparent objects are rendered after other objects
// We can use the TransparencySorter from Ab3d.PowerToys
// Note that it is also possible to use TransparencySorter with many advanced features - see the Model3DTransparencySortingSample for more info
TransparencySorter.SimpleSort(SceneObjectsContainer.Children);
// In our simple case (we have only one transparent object), we could also manually "sort" the objects with moving the transparent object to the back of the Children collection:
//SceneObjectsContainer.Children.Remove(_selectedBoxVisual3D);
//SceneObjectsContainer.Children.Add(_selectedBoxVisual3D);
if (_modelMover == null)
{
SetupModelMover();
}
#if !USE_GENERIC_MODEL3D
_modelMover.Position = _selectedBoxModel.CenterPosition;
#else
_startMovePosition = GetSelectedModelCenter();
_modelMover.Position = _startMovePosition;
#endif
// Tell ModelDecoratorVisual3D which Model3D to show
SelectedModelDecorator.TargetModel3D = _selectedBoxModel.Model;
// 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
}
