public DXEventManager3DSample()
{
InitializeComponent();
Box1Visual3D.SetName("Box1Visual3D");
BoxesGroupVisual3D.SetName("BoxesGroupVisual3D");
Box2Visual3D.SetName("Box2Visual3D");
Box3Visual3D.SetName("Box3Visual3D");
Box4Visual3D.SetName("Box4Visual3D");
Line1.SetName("Line1");
Line2.SetName("Line2");
Rectangle1.SetName("Rectangle1");
var meshGeometry3D = new Ab3d.Meshes.SphereMesh3D(centerPosition: new Point3D(0, 0, 0), radius: 5, segments: 20, generateTextureCoordinates: false).Geometry;
// The following method prepare InstanceData array with data for each instance (WorldMatrix and Color)
InstanceData[] instancedData = DXEnginePerformance.InstancedMeshGeometry3DTest.CreateInstancesData(center: new Point3D(0, 0, 0),
size: new Size3D(200, 50, 50),
modelScaleFactor: 1,
xCount: 10,
yCount: 3,
zCount: 3,
useTransparency: false);
// Create InstancedGeometryVisual3D with selected meshGeometry and InstancesData
_instancedMeshGeometryVisual3D = new InstancedMeshGeometryVisual3D(meshGeometry3D);
_instancedMeshGeometryVisual3D.InstancesData = instancedData;
_instancedMeshGeometryVisual3D.SetName("InstancedMeshGeometryVisual3D");
_instancedMeshGeometryVisual3D.Transform = new TranslateTransform3D(0, 50, 0);
MainViewport3D.Children.Add(_instancedMeshGeometryVisual3D);
_selectedInstanceIndex = -1;
var model3DGroup = new Model3DGroup();
model3DGroup.SetName("Model3DGroup");
var frozenModel3DGroup = new Model3DGroup();
frozenModel3DGroup.SetName("FrozenModel3DGroup");
var box1Material = new DiffuseMaterial(Brushes.LightPink);
var box2Material = new DiffuseMaterial(Brushes.LightCyan);
var boxModel3D = Ab3d.Models.Model3DFactory.CreateBox(new Point3D(-100, 2, 25), new Size3D(60, 4, 50), box2Material);
frozenModel3DGroup.Children.Add(boxModel3D);
var pyramidModel3D = Ab3d.Models.Model3DFactory.CreatePyramid(new Point3D(-100, 2, 20), new Size3D(20, 20, 20), box2Material);
frozenModel3DGroup.Children.Add(pyramidModel3D);
for (int i = 0; i < 5; i++)
{
var geometryModel3D = new GeometryModel3D(meshGeometry3D, box1Material);
geometryModel3D.Transform = new TranslateTransform3D(-130 + i * 15, 5, 80);
geometryModel3D.SetName("GroupedSphere_" + i.ToString());
model3DGroup.Children.Add(geometryModel3D);
geometryModel3D = new GeometryModel3D(meshGeometry3D, box2Material);
geometryModel3D.Transform = new TranslateTransform3D(-130 + i * 15, 10, 50);
geometryModel3D.SetName("FrozenGroupedSphere_" + i.ToString());
frozenModel3DGroup.Children.Add(geometryModel3D);
}
frozenModel3DGroup.Freeze();
MainViewport3D.Children.Add(model3DGroup.CreateModelVisual3D());
MainViewport3D.Children.Add(frozenModel3DGroup.CreateModelVisual3D());
_dxEventManager3D = new DXEventManager3D(MainDXViewportView);
RegisterEventSource(Box1Visual3D);
RegisterEventSource(BoxesGroupVisual3D);
RegisterEventSource(Line1);
RegisterEventSource(Line2);
RegisterEventSource(Rectangle1);
RegisterEventSource(_instancedMeshGeometryVisual3D);
RegisterEventSource(model3DGroup);
RegisterEventSource(frozenModel3DGroup);
// Prevent TransparentPlaneVisual3D to be used by hit-testing
_dxEventManager3D.RegisterExcludedVisual3D(TransparentPlaneVisual3D);
this.PreviewMouseMove += delegate(object sender, MouseEventArgs args)
{
var position = args.GetPosition(this);
MousePositionTextBlock.Text = $"Mouse pos: {position.X:0} {position.Y:0}";
};
this.PreviewMouseDown += delegate(object sender, MouseButtonEventArgs e)
{
var position = e.GetPosition(this);
if (position == _lastMouseDownPosition)
{
return;
}
System.Diagnostics.Debug.WriteLine("Mouse position: " + position.ToString());
_lastMouseDownPosition = position;
};
// IMPORTANT:
// It is very important to call Dispose method on DXSceneView after the control is not used any more (see help file for more info)
this.Unloaded += (sender, args) => MainDXViewportView.Dispose();
}
private void CreateTestModels()
{
_rootModelVisual3D = new ModelVisual3D();
MainViewport3D.Children.Add(_rootModelVisual3D);
// SphereVisual3D
_sphereVisual3D = new Ab3d.Visuals.SphereVisual3D()
{
CenterPosition = new Point3D(-50, 0, -50),
Radius = 30,
Material = new DiffuseMaterial(Brushes.Silver)
};
_sphereVisual3D.SetName("SphereVisual3D");
_rootModelVisual3D.Children.Add(_sphereVisual3D);
var readerObj = new ReaderObj();
var teapotModel = readerObj.ReadModel3D(System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"Resources\Models\teapot-hires.obj"));
Ab3d.Utilities.ModelUtils.CenterAndScaleModel3D(teapotModel, centerPosition: new Point3D(50, 0, -50), finalSize: new Size3D(80, 80, 80), preserveAspectRatio: true);
_teapotModelVisual3D = new ModelVisual3D()
{
Content = teapotModel
};
teapotModel.SetName("teapot Model3D");
_teapotModelVisual3D.SetName("teapot ModelVisual3D");
_rootModelVisual3D.Children.Add(_teapotModelVisual3D);
// InstancedMeshGeometryVisual3D
var boxMesh3D = new Ab3d.Meshes.BoxMesh3D(new Point3D(0, 0, 0), new Size3D(6, 6, 6), 1, 1, 1);
InstanceData[] instancedData = DXEnginePerformance.InstancedMeshGeometry3DTest.CreateInstancesData(center: new Point3D(-50, 0, 50),
size: new Size3D(80, 50, 80),
modelScaleFactor: 1,
xCount: 5,
yCount: 1,
zCount: 5,
useTransparency: false);
_instancedMeshGeometryVisual3D = new InstancedMeshGeometryVisual3D(boxMesh3D.Geometry);
_instancedMeshGeometryVisual3D.InstancesData = instancedData;
_instancedMeshGeometryVisual3D.SetName("InstancedMeshGeometryVisual3D");
_rootModelVisual3D.Children.Add(_instancedMeshGeometryVisual3D);
// MeshObjectNode and SceneNodeVisual3D
var meshGeometry3D = new Ab3d.Meshes.PyramidMesh3D(new Point3D(50, -20, 50), new Size3D(80, 40, 80)).Geometry;
var dxMeshGeometry3D = new Ab3d.DirectX.Models.DXMeshGeometry3D(meshGeometry3D);
var standardMaterial = new StandardMaterial()
{
DiffuseColor = Colors.Gold.ToColor3()
};
_pyramidMeshObjectNode = new Ab3d.DirectX.MeshObjectNode(dxMeshGeometry3D, standardMaterial);
_disposables.Add(dxMeshGeometry3D);
_disposables.Add(_pyramidMeshObjectNode);
var sceneNodeVisual3D = new SceneNodeVisual3D(_pyramidMeshObjectNode);
sceneNodeVisual3D.SetName("SceneNodeVisual3D");
_rootModelVisual3D.Children.Add(sceneNodeVisual3D);
}