protected override bool OnButtonDown(Point pointerPosition)
{
this.isActive = false;
Viewport3DElement firstHitViewport3D = this.ActiveView.GetFirstHitViewport3D(pointerPosition);
if (firstHitViewport3D == null || firstHitViewport3D.ViewObject.PlatformSpecificObject == null)
{
return(false);
}
this.cameraElement = firstHitViewport3D.Camera;
if (this.cameraElement == null || !this.cameraElement.IsSelectable)
{
return(false);
}
this.scale = Helper3D.UnitsPerPixel((Viewport3D)firstHitViewport3D.ViewObject.PlatformSpecificObject, new Point3D(0.0, 0.0, 0.0));
this.rootToViewport3DMatrix = ElementUtilities.GetComputedTransform(firstHitViewport3D.Visual != null ? firstHitViewport3D.Visual.PlatformSpecificObject as Visual : (Visual)null, (Visual)this.ActiveSceneViewModel.DefaultView.ViewRootContainer);
this.pointerInViewportCoordinates = pointerPosition * this.rootToViewport3DMatrix;
this.SetMovementMode();
this.cameraInitialUp = (Vector3D)this.cameraElement.GetComputedValue(ProjectionCameraElement.UpDirectionProperty);
this.cameraInitialPosition = (Point3D)this.cameraElement.GetComputedValue(ProjectionCameraElement.PositionProperty);
this.cameraInitialLookAt = this.cameraInitialPosition + (Vector3D)this.cameraElement.GetComputedValue(ProjectionCameraElement.LookDirectionProperty);
this.totalAzimuthDelta = 0.0;
this.totalElevationDelta = 0.0;
this.lastPoint = this.pointerInViewportCoordinates;
this.EnsureEditTransaction();
this.isActive = true;
return(true);
}
public override Matrix GetComputedTransformToRoot(IViewObject element)
{
if (element == null)
{
return(Matrix.Identity);
}
return(ElementUtilities.GetComputedTransform((Visual)this.ViewRootContainer, element.PlatformSpecificObject as Visual));
}
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;
}
}
protected override sealed bool OnButtonDown(Point pointerPosition)
{
if (this.ActiveAdorner != null)
this.selected3DElement = this.EditingElement as Base3DElement;
if (this.selected3DElement == null)
this.selected3DElement = this.ActiveSceneViewModel.ElementSelectionSet.PrimarySelection as Base3DElement;
if (this.selected3DElement == null || this.selected3DElement.Viewport.Visual == null)
return false;
this.Scale = Helper3D.UnitsPerPixel((Viewport3D) this.Selected3DElement.Viewport.ViewObject.PlatformSpecificObject, this.Selected3DElement);
this.rootToViewport3DMatrix = ElementUtilities.GetComputedTransform(this.selected3DElement.Viewport.Visual.PlatformSpecificObject as Visual, (Visual) this.ActiveSceneViewModel.DefaultView.ViewRootContainer);
this.pointerInViewportCoordinates = pointerPosition * this.rootToViewport3DMatrix;
this.shiftDown = this.IsShiftDown;
this.controlDown = this.IsControlDown;
this.altDown = this.IsAltDown;
this.ButtonDownAction();
this.lastMousePosition = this.pointerInViewportCoordinates;
this.EnsureEditTransaction();
return true;
}
public override Matrix GetComputedTransformFromRoot(IViewObject element)
{
return(ElementUtilities.GetComputedTransform(element.PlatformSpecificObject as Visual, (Visual)this.ViewRootContainer));
}
