protected static Vector Vector3DInViewport3D(Base3DElement target, Vector3D vector)
{
Viewport3D viewport = (Viewport3D) target.Viewport.ViewObject.PlatformSpecificObject;
Matrix3D viewport3DtoElement = target.GetComputedTransformFromViewport3DToElement();
Point point = AdornedToolBehavior3D.Point3DInViewport3D(viewport, viewport3DtoElement, new Point3D(0.0, 0.0, 0.0));
Vector vector1 = AdornedToolBehavior3D.Point3DInViewport3D(viewport, viewport3DtoElement, (Point3D) vector) - point;
if (vector1.Length < 0.0 / 1.0)
return new Vector(0.0, 1.0);
return vector1;
}
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);
}
public static void DrawCube(DrawingContext drawingContext, Matrix matrix, Base3DElement element, Pen pen)
{
Viewport3DElement viewport1 = element.Viewport;
if (viewport1 == null)
{
return;
}
Viewport3D viewport2 = viewport1.ViewObject.PlatformSpecificObject as Viewport3D;
Rect3D localSpaceBounds = element.LocalSpaceBounds;
Matrix3D viewport3DtoElement = element.GetComputedTransformFromViewport3DToElement();
Matrix3D matrix3D = Helper3D.CameraRotationTranslationMatrix(viewport2.Camera);
Matrix3D cameraToObject = viewport3DtoElement * matrix3D;
KeyValuePair <Point, bool> keyValuePair1 = HighlightAdorner3D.Calculate2DPoint(viewport2, cameraToObject, viewport3DtoElement, matrix, localSpaceBounds.Location);
KeyValuePair <Point, bool> keyValuePair2 = HighlightAdorner3D.Calculate2DPoint(viewport2, cameraToObject, viewport3DtoElement, matrix, localSpaceBounds.Location + new Vector3D(localSpaceBounds.SizeX, 0.0, 0.0));
KeyValuePair <Point, bool> keyValuePair3 = HighlightAdorner3D.Calculate2DPoint(viewport2, cameraToObject, viewport3DtoElement, matrix, localSpaceBounds.Location + new Vector3D(localSpaceBounds.SizeX, localSpaceBounds.SizeY, 0.0));
KeyValuePair <Point, bool> keyValuePair4 = HighlightAdorner3D.Calculate2DPoint(viewport2, cameraToObject, viewport3DtoElement, matrix, localSpaceBounds.Location + new Vector3D(0.0, localSpaceBounds.SizeY, 0.0));
KeyValuePair <Point, bool> keyValuePair5 = HighlightAdorner3D.Calculate2DPoint(viewport2, cameraToObject, viewport3DtoElement, matrix, localSpaceBounds.Location + new Vector3D(0.0, 0.0, localSpaceBounds.SizeZ));
KeyValuePair <Point, bool> keyValuePair6 = HighlightAdorner3D.Calculate2DPoint(viewport2, cameraToObject, viewport3DtoElement, matrix, localSpaceBounds.Location + new Vector3D(localSpaceBounds.SizeX, 0.0, localSpaceBounds.SizeZ));
KeyValuePair <Point, bool> keyValuePair7 = HighlightAdorner3D.Calculate2DPoint(viewport2, cameraToObject, viewport3DtoElement, matrix, localSpaceBounds.Location + new Vector3D(localSpaceBounds.SizeX, localSpaceBounds.SizeY, localSpaceBounds.SizeZ));
KeyValuePair <Point, bool> keyValuePair8 = HighlightAdorner3D.Calculate2DPoint(viewport2, cameraToObject, viewport3DtoElement, matrix, localSpaceBounds.Location + new Vector3D(0.0, localSpaceBounds.SizeY, localSpaceBounds.SizeZ));
StreamGeometry streamGeometry = new StreamGeometry();
StreamGeometryContext context = streamGeometry.Open();
HighlightAdorner3D.DrawLine(context, keyValuePair1, keyValuePair2);
HighlightAdorner3D.DrawLine(context, keyValuePair2, keyValuePair3);
HighlightAdorner3D.DrawLine(context, keyValuePair3, keyValuePair4);
HighlightAdorner3D.DrawLine(context, keyValuePair4, keyValuePair1);
HighlightAdorner3D.DrawLine(context, keyValuePair5, keyValuePair6);
HighlightAdorner3D.DrawLine(context, keyValuePair6, keyValuePair7);
HighlightAdorner3D.DrawLine(context, keyValuePair7, keyValuePair8);
HighlightAdorner3D.DrawLine(context, keyValuePair8, keyValuePair5);
HighlightAdorner3D.DrawLine(context, keyValuePair6, keyValuePair2);
HighlightAdorner3D.DrawLine(context, keyValuePair7, keyValuePair3);
HighlightAdorner3D.DrawLine(context, keyValuePair5, keyValuePair1);
HighlightAdorner3D.DrawLine(context, keyValuePair8, keyValuePair4);
context.Close();
streamGeometry.Freeze();
drawingContext.DrawGeometry((Brush)null, pen, (System.Windows.Media.Geometry)streamGeometry);
}