private void CreateScene()
{
var readerObj = new ReaderObj();
_readModel3D = readerObj.ReadModel3D(System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"Resources\Models\teapot-hires.obj")) as GeometryModel3D;
if (_readModel3D != null)
{
var meshGeometry3D = (MeshGeometry3D)_readModel3D.Geometry;
_readModel3D.Material = new DiffuseMaterial(new SolidColorBrush(System.Windows.Media.Color.FromArgb(200, 200, 200, 200)));
_readModel3D.BackMaterial = _readModel3D.Material;
Ab3d.Utilities.ModelUtils.CenterAndScaleModel3D(_readModel3D, new Point3D(0, 0, 0), new Size3D(100, 100, 100), preserveAspectRatio: true);
meshGeometry3D = Ab3d.Utilities.MeshUtils.TransformMeshGeometry3D(meshGeometry3D, _readModel3D.Transform);
var modelVisual3D = _readModel3D.CreateModelVisual3D();
MainViewport3D.Children.Add(modelVisual3D);
MainDXViewportView.DXSceneInitialized += delegate(object sender, EventArgs args)
{
_dxMesh = new DXMeshGeometry3D(meshGeometry3D);
_dxMesh.InitializeResources(MainDXViewportView.DXScene.DXDevice);
RecreateOctTree();
};
}
_hitLinesModelVisual3D = new ModelVisual3D();
MainViewport3D.Children.Add(_hitLinesModelVisual3D);
Camera1.Distance = 200;
}
private void AddTestModels()
{
// Load teapot model from obj file
var readerObj = new ReaderObj();
var geometryModel3D = readerObj.ReadModel3D(System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"Resources\Models\teapot.obj")) as GeometryModel3D;
if (geometryModel3D == null)
{
return;
}
_objectGeometry3D = (MeshGeometry3D)geometryModel3D.Geometry;
int positionsCount = _objectGeometry3D.Positions.Count;
// Create and fill the _positionColorsArray with the last color (light blue)
_positionColorsArray = new Color4[positionsCount];
var lastColor = _gradientColor4Array[_gradientColor4Array.Length - 1];
FillPositionColorsArray(lastColor);
// Now create the VertexColorMaterial that will be used instead of standard material
// and will make the model render with special effect where each vertex can have its own color.
_vertexColorMaterial = new VertexColorMaterial()
{
PositionColors = _positionColorsArray, // The PositionColors property is used to specify colors for each vertex
CreateDynamicBuffer = true, // Because we will update the _positionColorsArray on each frame, it is better to create a dynamic DirectX buffer
// To show specular effect set the specular data here:
//SpecularPower = 16,
//SpecularColor = Color3.White,
//HasSpecularColor = true
};
// Create standard WPF material and set the _vertexColorMaterial to be used when the model is rendered in DXEngine.
var vertexColorDiffuseMaterial = new DiffuseMaterial();
vertexColorDiffuseMaterial.SetUsedDXMaterial(_vertexColorMaterial);
// Create a GeometryModel3D that will be rendered with _vertexColorMaterial
_vertexColorGeometryModel3D = new GeometryModel3D(_objectGeometry3D, vertexColorDiffuseMaterial);
var vertexColorModelVisual3D = new ModelVisual3D()
{
Content = _vertexColorGeometryModel3D
};
MainViewport.Children.Add(vertexColorModelVisual3D);
// Show the same MeshGeometry3D but this time with wireframe material
var wireframeWpfMaterial = new DiffuseMaterial();
_lineMaterial = new LineMaterial()
{
LineThickness = 1,
LineColor = Color4.Black,
DepthBias = 0.1f,
};
wireframeWpfMaterial.SetUsedDXMaterial(_lineMaterial);
var wireframeGeometryModel3D = new GeometryModel3D(_objectGeometry3D, wireframeWpfMaterial);
var wireframeModelVisual3D = new ModelVisual3D()
{
Content = wireframeGeometryModel3D
};
MainViewport.Children.Add(wireframeModelVisual3D);
}
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);
}