/// <summary>
/// Adds a cube face.
/// </summary>
/// <param name="normal">
/// The normal.
/// </param>
/// <param name="up">
/// The up vector.
/// </param>
/// <param name="b">
/// The brush.
/// </param>
/// <param name="text">
/// The text.
/// </param>
private void AddCubeFace(Vector3D normal, Vector3D up, Brush b, string text)
{
const int faceWidth = 20;
const int faceHeight = 20;
var face = new TextBlock
{
Width = faceWidth,
Height = faceHeight,
Text = text,
TextAlignment = TextAlignment.Center,
FontSize = 15,
Foreground = Brushes.White,
Background = b,
};
face.Arrange(new Rect(new Point(0, 0), new Size(faceWidth, faceHeight)));
var bmp = new RenderTargetBitmap(faceWidth, faceHeight, 96, 96, PixelFormats.Default);
bmp.Render(face);
var material = MaterialHelper.CreateMaterial(new ImageBrush(bmp));
double a = this.Size;
var builder = new MeshBuilder(false, true);
builder.AddCubeFace(this.Center, normal, up, a, a, a);
var geometry = builder.ToMesh(true);
var model = new GeometryModel3D {
Geometry = geometry, Material = material
};
var element = new ModelUIElement3D {
Model = model
};
element.MouseLeftButtonDown += this.FaceMouseLeftButtonDown;
this.faceNormals.Add(element, normal);
this.faceUpVectors.Add(element, up);
this.Children.Add(element);
}
/// <summary>
/// The Fill property was changed.
/// </summary>
protected virtual void OnFillChanged()
{
this.Material = MaterialHelper.CreateMaterial(this.Fill);
this.BackMaterial = this.Material;
}