private void LoadObjFile()
{
// Use ObjModelVisual3D to load robotarm.obj and then set objModelVisual3D.Content (as Model3D) to WireframeVisual
_objModelVisual3D = new ObjModelVisual3D()
{
Source = new Uri("pack://application:,,,/Ab3d.PowerToys.Samples;component/Resources/ObjFiles/robotarm.obj", UriKind.Absolute),
SizeX = 50,
Position = new Point3D(0, 0, 0),
PositionType = ObjModelVisual3D.VisualPositionType.BottomCenter
};
_loadedModel3D = _objModelVisual3D.Content;
ShowModel(_loadedModel3D);
// We could also use Ab3d.ReaderObj, but this does not give us option to specify object size and position
}
private void UpdateScene()
{
_originalModelVisual3D = null;
_originalModel3D = null;
_originalMesh3D = null;
_model3DFor2DSlice = null;
RootModelVisual3D.Children.Clear();
WireframeModels1.OriginalModel = null;
WireframeModels2.OriginalModel = null;
if (Model1RadioButton.IsChecked ?? false)
{
// Use ObjModelVisual3D to load robotarm.obj and then read its Content to get Model3D
var objModelVisual3D = new ObjModelVisual3D()
{
Source = new Uri("pack://application:,,,/Ab3d.PowerToys.Samples;component/Resources/ObjFiles/robotarm.obj", UriKind.Absolute),
SizeX = 100,
Position = new Point3D(0, 0, 0),
PositionType = ObjModelVisual3D.VisualPositionType.BottomCenter
};
_originalModel3D = objModelVisual3D.Content;
_modelBounds = _originalModel3D.Bounds;
}
else if (Model2RadioButton.IsChecked ?? false)
{
_originalMesh3D = new Ab3d.Meshes.SphereMesh3D(new Point3D(0, 0, 0), 50, 20).Geometry;
_modelBounds = _originalMesh3D.Bounds;
}
else if (Model3RadioButton.IsChecked ?? false)
{
_originalModelVisual3D = new ModelVisual3D();
_originalModelVisual3D.Children.Add(new Ab3d.Visuals.PyramidVisual3D()
{
BottomCenterPosition = new Point3D(-280, -60, 0), Size = new Size3D(120, 120, 120), Material = new DiffuseMaterial(Brushes.Green)
});
_originalModelVisual3D.Children.Add(new Ab3d.Visuals.BoxVisual3D()
{
CenterPosition = new Point3D(-100, 0, 0), Size = new Size3D(120, 120, 60), Material = new DiffuseMaterial(Brushes.Green)
});
_originalModelVisual3D.Children.Add(new Ab3d.Visuals.TubeVisual3D()
{
BottomCenterPosition = new Point3D(80, -60, 0), InnerRadius = 40, OuterRadius = 60, Height = 120, Material = new DiffuseMaterial(Brushes.Green)
});
_originalModelVisual3D.Children.Add(new Ab3d.Visuals.SphereVisual3D()
{
CenterPosition = new Point3D(240, 0, 0), Radius = 60, Material = new DiffuseMaterial(Brushes.Green)
});
_modelBounds = new Rect3D();
foreach (var visual3D in _originalModelVisual3D.Children.OfType <ModelVisual3D>())
{
_modelBounds.Union(visual3D.Content.Bounds);
}
}
_rootModelSize = Math.Sqrt(_modelBounds.SizeX * _modelBounds.SizeX + _modelBounds.SizeY * _modelBounds.SizeY + _modelBounds.SizeZ * _modelBounds.SizeZ);
Camera1.Distance = 2 * _rootModelSize;
}
private void CreateScene()
{
// Create material with 10 x 10 numbers grid
var imageBrush = new ImageBrush(new BitmapImage(new Uri(@"pack://application:,,,/Resources/10x10-texture.png")));
var material = new DiffuseMaterial(imageBrush);
//var material = new DiffuseMaterial(Brushes.Silver);
// Create box with 10 x 10 x 10 cells
var boxVisual3D = new BoxVisual3D()
{
UseCachedMeshGeometry3D = false, // This will generate a new MeshGeometry3D for this BoxVisual3D,
FreezeMeshGeometry3D = false, // This will allow us to change the TextureCoordinates
CenterPosition = new Point3D(-150, 0, -50),
Size = new Size3D(60, 60, 60),
XCellsCount = 10,
YCellsCount = 10,
ZCellsCount = 10,
Material = material,
};
MainViewport.Children.Add(boxVisual3D);
var cylinderVisual3D = new CylinderVisual3D()
{
BottomCenterPosition = new Point3D(-50, -30, -50),
Radius = 30,
Height = 60,
Segments = 10,
IsSmooth = false,
Material = material
};
MainViewport.Children.Add(cylinderVisual3D);
var sphereVisual3D = new SphereVisual3D()
{
UseCachedMeshGeometry3D = false, // This will generate a new MeshGeometry3D for this BoxVisual3D,
FreezeMeshGeometry3D = false, // This will allow us to change the TextureCoordinates
CenterPosition = new Point3D(50, 0, -50),
Radius = 30,
Material = material
};
MainViewport.Children.Add(sphereVisual3D);
// Add dragon model
string fileName = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Resources\\ObjFiles\\dragon_vrip_res3.obj");
var objModelVisual3D = new ObjModelVisual3D()
{
Source = new Uri(fileName, UriKind.Absolute),
SizeX = 70,
Position = new Point3D(-150, 0, 100),
PositionType = ObjModelVisual3D.VisualPositionType.Center,
DefaultMaterial = material,
};
Ab3d.Utilities.ModelUtils.ChangeMaterial(objModelVisual3D.Content, material, newBackMaterial: null);
MainViewport.Children.Add(objModelVisual3D);
// Add simple extruded shape
var extrudePositions = new Point[]
{
new Point(-1, 54),
new Point(13, 35),
new Point(8, 32),
new Point(18, 13),
new Point(11, 9),
new Point(23, -13),
new Point(6, -14),
new Point(6, -29),
new Point(-8, -30),
new Point(-7, -13),
new Point(-25, -9),
new Point(-12, 9),
new Point(-25, 16),
new Point(-8, 31),
new Point(-16, 38)
};
var extrudedMesh = Mesh3DFactory.CreateExtrudedMeshGeometry(positions: extrudePositions.ToList(),
isSmooth: false,
modelOffset: new Vector3D(-50, -15, 100),
extrudeVector: new Vector3D(0, 30, 0),
shapeYVector: new Vector3D(0, 0, -1),
textureCoordinatesGenerationType: ExtrudeTextureCoordinatesGenerationType.AddAdditionalPositions);
var geometryModel3D = new GeometryModel3D(extrudedMesh, material);
var modelVisual3D = new ModelVisual3D();
modelVisual3D.Content = geometryModel3D;
MainViewport.Children.Add(modelVisual3D);
}