public VisualTree3DView(Visual visual, int dpi)
{
var directionalLight1 = new DirectionalLight(Colors.White, new Vector3D(0, 0, 1));
var directionalLight2 = new DirectionalLight(Colors.White, new Vector3D(0, 0, -1));
double z = 0;
var model = this.ConvertVisualToModel3D(visual, dpi, ref z);
var group = new Model3DGroup();
group.Children.Add(directionalLight1);
group.Children.Add(directionalLight2);
group.Children.Add(model);
this.zScaleTransform = new ScaleTransform3D();
group.Transform = this.zScaleTransform;
var modelVisual = new ModelVisual3D
{
Content = @group
};
var bounds = model.Bounds;
const double fieldOfView = 45;
var lookAtPoint = new Point3D(bounds.X + (bounds.SizeX / 2), bounds.Y + (bounds.SizeY / 2), bounds.Z + (bounds.SizeZ / 2));
var cameraDistance = 0.5 * bounds.SizeX / Math.Tan(0.5 * fieldOfView * Math.PI / 180);
var position = lookAtPoint - new Vector3D(0, 0, cameraDistance);
Camera camera = new PerspectiveCamera(position, new Vector3D(0, 0, 1), new Vector3D(0, -1, 0), fieldOfView);
this.zScaleTransform.CenterZ = lookAtPoint.Z;
this.Children.Add(modelVisual);
this.Camera = camera;
this.ClipToBounds = false;
this.Width = 500;
this.Height = 500;
this.trackballBehavior = new TrackballBehavior(this, lookAtPoint);
}
public VisualTree3DView(Visual visual)
{
DirectionalLight directionalLight1 = new DirectionalLight(Colors.White, new Vector3D(0, 0, 1));
DirectionalLight directionalLight2 = new DirectionalLight(Colors.White, new Vector3D(0, 0, -1));
double z = 0;
Model3D model = ConvertVisualToModel3D(visual, ref z);
Model3DGroup group = new Model3DGroup();
group.Children.Add(directionalLight1);
group.Children.Add(directionalLight2);
group.Children.Add(model);
_zScaleTransform = new ScaleTransform3D();
group.Transform = _zScaleTransform;
ModelVisual3D modelVisual = new ModelVisual3D {
Content = group
};
Rect3D bounds = model.Bounds;
const double fieldOfView = 45;
Point3D lookAtPoint = new Point3D(bounds.X + bounds.SizeX / 2, bounds.Y + bounds.SizeY / 2, bounds.Z + bounds.SizeZ / 2);
double cameraDistance = 0.5 * bounds.SizeX / Math.Tan(0.5 * fieldOfView * Math.PI / 180);
Point3D position = lookAtPoint - new Vector3D(0, 0, cameraDistance);
Camera camera = new PerspectiveCamera(position, new Vector3D(0, 0, 1), new Vector3D(0, -1, 0), fieldOfView);
_zScaleTransform.CenterZ = lookAtPoint.Z;
Children.Add(modelVisual);
Camera = camera;
ClipToBounds = false;
Width = 500;
Height = 500;
_trackballBehavior = new TrackballBehavior(this, lookAtPoint);
}
