packages/MaterialDesignThemes.2.5.1/src/net45/Plane3D.cs

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using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Markup;
using System.Windows.Media;
using System.Windows.Media.Media3D;

namespace MaterialDesignThemes.Wpf
{
    /// <summary>
    /// View a control on a 3D plane.    
    /// </summary>
    /// <remarks>
    /// Taken from http://blogs.msdn.com/greg_schechter/archive/2007/10/26/enter-the-planerator-dead-simple-3d-in-wpf-with-a-stupid-name.aspx , Greg Schechter - Fall 2007
    /// </remarks>
    [ContentProperty("Child")]
    public class Plane3D : FrameworkElement
    {
        private FrameworkElement _logicalChild;
        private FrameworkElement _visualChild;
        private FrameworkElement _originalChild;

        private readonly QuaternionRotation3D _quaternionRotation = new QuaternionRotation3D();
        private readonly RotateTransform3D _rotationTransform = new RotateTransform3D();
        private Viewport3D _viewport3D;
        private readonly ScaleTransform3D _scaleTransform = new ScaleTransform3D();

        private static readonly Point3D[] Mesh = { new Point3D(0, 0, 0), new Point3D(0, 1, 0), new Point3D(1, 1, 0), new Point3D(1, 0, 0) };
        private static readonly Point[] TexCoords = { new Point(0, 1), new Point(0, 0), new Point(1, 0), new Point(1, 1) };
        private static readonly int[] Indices = { 0, 2, 1, 0, 3, 2 };
        private static readonly Vector3D XAxis = new Vector3D(1, 0, 0);
        private static readonly Vector3D YAxis = new Vector3D(0, 1, 0);
        private static readonly Vector3D ZAxis = new Vector3D(0, 0, 1);


        public static readonly DependencyProperty RotationXProperty =
            DependencyProperty.Register("RotationX", typeof(double), typeof(Plane3D), new UIPropertyMetadata(0.0, (d, args) => ((Plane3D)d).UpdateRotation()));
        
        public double RotationX
        {
            get { return (double)GetValue(RotationXProperty); }
            set { SetValue(RotationXProperty, value); }
        }

        public static readonly DependencyProperty RotationYProperty =
            DependencyProperty.Register("RotationY", typeof(double), typeof(Plane3D), new UIPropertyMetadata(0.0, (d, args) => ((Plane3D)d).UpdateRotation()));

        public double RotationY
        {
            get { return (double)GetValue(RotationYProperty); }
            set { SetValue(RotationYProperty, value); }
        }

        public static readonly DependencyProperty RotationZProperty =
            DependencyProperty.Register("RotationZ", typeof(double), typeof(Plane3D), new UIPropertyMetadata(0.0, (d, args) => ((Plane3D)d).UpdateRotation()));

        public double RotationZ
        {
            get { return (double)GetValue(RotationZProperty); }
            set { SetValue(RotationZProperty, value); }