public static Viewport3DElement GetEnclosingViewportForModelVisual3D(SceneViewModel sceneViewModel, ModelVisual3DElement modelVisual3D)
{
Viewport3DElement viewport3Delement = (Viewport3DElement)sceneViewModel.CreateSceneNode(PlatformTypes.Viewport3D);
viewport3Delement.SetValueAsWpf(Viewport3DElement.ClipToBoundsProperty, (object)true);
Camera perspectiveCamera = Helper3D.CreateEnclosingPerspectiveCamera(45.0, 4.0 / 3.0, modelVisual3D.DesignTimeBounds, 0.8);
viewport3Delement.Camera = (CameraElement)sceneViewModel.CreateSceneNode((object)perspectiveCamera);
ModelVisual3DElement modelVisual3Delement = (ModelVisual3DElement)sceneViewModel.CreateSceneNode(PlatformTypes.ModelVisual3D);
modelVisual3Delement.Name = "World";
viewport3Delement.Children.Add((Visual3DElement)modelVisual3Delement);
AmbientLightElement ambientLightElement = (AmbientLightElement)sceneViewModel.CreateSceneNode(PlatformTypes.AmbientLight);
ambientLightElement.SetValueAsWpf(LightElement.ColorProperty, (object)Color.FromRgb((byte)127, (byte)127, (byte)127));
ambientLightElement.Name = "AmbientLight";
modelVisual3Delement.Children.Add((Visual3DElement)GeometryCreationHelper3D.CreateModelVisual3DContainer((Model3DElement)ambientLightElement, sceneViewModel));
DirectionalLightElement directionalLightElement = (DirectionalLightElement)sceneViewModel.CreateSceneNode(PlatformTypes.DirectionalLight);
directionalLightElement.SetValueAsWpf(LightElement.ColorProperty, (object)Color.FromRgb((byte)63, (byte)63, (byte)63));
directionalLightElement.SetValueAsWpf(DirectionalLightElement.DirectionProperty, (object)new Vector3D(0.0, 0.0, -1.0));
directionalLightElement.SetValueAsWpf(Model3DElement.TransformProperty, (object)new TranslateTransform3D(0.0, 0.0, 3.0));
directionalLightElement.Name = "DirectionalLight";
modelVisual3Delement.Children.Add((Visual3DElement)GeometryCreationHelper3D.CreateModelVisual3DContainer((Model3DElement)directionalLightElement, sceneViewModel));
modelVisual3Delement.Children.Add((Visual3DElement)modelVisual3D);
return(viewport3Delement);
}
public static Matrix3D CameraRotationMatrix(Camera camera)
{
Matrix3D matrix3D = Helper3D.CameraRotationTranslationMatrix(camera);
matrix3D.OffsetX = 0.0;
matrix3D.OffsetY = 0.0;
matrix3D.OffsetZ = 0.0;
return(matrix3D);
}
private static void UnitTestAddLights(ModelVisual3D world)
{
AmbientLight ambientLight = new AmbientLight(Color.FromRgb((byte)127, (byte)127, (byte)127));
world.Children.Add((Visual3D)Helper3D.UnitTestCreateModelVisual3DContainer((Model3D)ambientLight));
Vector3D direction = new Vector3D(0.0, 0.0, -1.0);
direction.Normalize();
DirectionalLight directionalLight = new DirectionalLight(Color.FromRgb((byte)63, (byte)63, (byte)63), direction);
directionalLight.Transform = (Transform3D) new TranslateTransform3D(new Vector3D(0.0, 0.0, 3.0));
world.Children.Add((Visual3D)Helper3D.UnitTestCreateModelVisual3DContainer((Model3D)directionalLight));
}
internal static Camera CreateEnclosingPerspectiveCamera(double horizontalFieldOfView, double aspectRatio, List <Model3D> models)
{
Rect3D empty = Rect3D.Empty;
foreach (Model3D model3D in models)
{
if (model3D != null)
{
empty.Union(model3D.Bounds);
}
}
return(Helper3D.CreateEnclosingPerspectiveCamera(horizontalFieldOfView, aspectRatio, empty, 0.8));
}
public static Viewport3D UnitTestCreateViewportContainingModel(Model3D model, Camera camera, double width, double height, bool clipToBounds)
{
Viewport3D viewport3D = Helper3D.UnitTestCreateViewport3D(width, height, clipToBounds);
ModelVisual3D world = new ModelVisual3D();
Helper3D.UnitTestAddLights(world);
if (model != null)
{
world.Content = model;
}
viewport3D.Children.Add((Visual3D)world);
Helper3D.UnitTestAddCameraToViewport3D(camera, viewport3D, width, height, model);
return(viewport3D);
}
public static double UnitsPerPixel(Viewport3D viewport, Base3DElement targetModel)
{
Matrix3D matrix3D1 = Matrix3D.Identity;
Base3DElement base3Delement = targetModel.Parent as Base3DElement;
if (base3Delement != null)
{
matrix3D1 = base3Delement.GetComputedTransformFromViewport3DToElement();
}
Point3D point3D = matrix3D1.Transform(new Point3D(0.0, 0.0, 0.0));
double num = (matrix3D1.Transform(new Point3D(0.1, 0.1, 0.1)) - point3D).Length / 0.1;
Matrix3D matrix3D2 = targetModel.Transform.Value * matrix3D1;
Point3D targetPoint = new Point3D(matrix3D2.OffsetX, matrix3D2.OffsetY, matrix3D2.OffsetZ);
return(Helper3D.UnitsPerPixel(viewport, targetPoint) / num);
}
private static void UnitTestAddCameraToViewport3D(Camera camera, Viewport3D viewport, double width, double height, Model3D model)
{
List <Model3D> models = new List <Model3D>();
models.Add(model);
if (camera == null)
{
if (double.IsNaN(height) || double.IsNaN(width))
{
viewport.Camera = Helper3D.CreateEnclosingPerspectiveCamera(45.0, 1.0, models);
}
else
{
viewport.Camera = Helper3D.CreateEnclosingPerspectiveCamera(45.0, height / width, models);
}
}
else
{
viewport.Camera = camera;
}
}
protected void RecomputeTransform()
{
AdornerSet3DContainer adornerSet3Dcontainer = this.adornerSet3DContainer;
Viewport3D viewport = (Viewport3D)this.Element.Viewport.ViewObject.PlatformSpecificObject;
Matrix3D viewport3DtoElement = this.Element.GetComputedTransformFromViewport3DToElement();
Point3D point = new Point3D();
if (this.DoCenterOnSpecifiedCenter)
{
point = (CanonicalTransform3D)this.Element.Transform.Center;
}
Matrix3D source = viewport3DtoElement;
source.TranslatePrepend((Vector3D)point);
if (this.DoRemoveObjectScale)
{
Matrix3D rotation = new Matrix3D();
Vector3D scale = new Vector3D();
Matrix3DOperations.DecomposeIntoRotationAndScale(source, out rotation, out scale);
rotation.OffsetX = source.OffsetX;
rotation.OffsetY = source.OffsetY;
rotation.OffsetZ = source.OffsetZ;
source = rotation;
}
if (this.adornmentLayer == AdornerSet3D.Location.OrthographicLayer && adornerSet3Dcontainer.ShadowAdorningViewport3D.Camera is ProjectionCamera)
{
OrthographicCamera ortho = (OrthographicCamera)adornerSet3Dcontainer.OrthographicAdorningViewport3D.Camera;
Point3D point3D = AdornedToolBehavior3D.ProjectionPoint3DTranslatedToMatchingOrthographicPosition(viewport, viewport3DtoElement, ortho, point);
source.OffsetX = point3D.X;
source.OffsetY = point3D.Y;
source.OffsetZ = point3D.Z;
}
Point3D targetPoint = new Point3D(source.OffsetX, source.OffsetY, source.OffsetZ);
if (this.DoScaleToScreen)
{
double num1 = this.adornmentLayer != AdornerSet3D.Location.OrthographicLayer || !(adornerSet3Dcontainer.ShadowAdorningViewport3D.Camera is ProjectionCamera) ? Helper3D.UnitsPerPixel(viewport, targetPoint) * AdornerSet3D.PixelsPerInch : 6.0 / (this.AdornerSet3DContainer.AdornedViewport.GetComputedTightBounds().Width / 96.0);
Matrix rotation;
Vector scale;
Matrix3DOperations.DecomposeIntoRotationAndScale(ElementUtilities.GetComputedTransform((Visual)viewport, (Visual)(this.View.ViewModel.DefaultView.ViewRoot.PlatformSpecificObject as FrameworkElement)), out rotation, out scale);
double x = scale.X;
double zoom = this.View.Zoom;
double num2 = num1 / zoom * x;
double offsetX = -targetPoint.X * num2 + targetPoint.X;
double offsetY = -targetPoint.Y * num2 + targetPoint.Y;
double offsetZ = -targetPoint.Z * num2 + targetPoint.Z;
Matrix3D matrix3D = new Matrix3D(num2, 0.0, 0.0, 0.0, 0.0, num2, 0.0, 0.0, 0.0, 0.0, num2, 0.0, offsetX, offsetY, offsetZ, 1.0);
((MatrixTransform3D)this.adornerSetVisual.Transform).Matrix = source * matrix3D;
}
else
{
((MatrixTransform3D)this.adornerSetVisual.Transform).Matrix = source;
}
}
internal static Camera CreateEnclosingPerspectiveCamera(double horizontalFieldOfView, double aspectRatio, Model3D model)
{
return(Helper3D.CreateEnclosingPerspectiveCamera(horizontalFieldOfView, aspectRatio, model != null ? model.Bounds : Rect3D.Empty, 0.8));
}
