|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
//
//
// Description: 3D geometry primitive implementation.
//
// See spec at http://avalon/medialayer/Specifications/Avalon3D%20API%20Spec.mht
//
//
using MS.Internal;
using MS.Internal.Media3D;
using System;
using System.Collections;
using System.ComponentModel.Design.Serialization;
using System.Diagnostics;
using System.Windows.Media;
using System.Windows.Media.Composition;
using System.Windows.Media.Media3D;
using System.Windows.Markup;
namespace System.Windows.Media.Media3D
{
/// <summary>
/// GeometryModel3D is for modeling with a Geometry3D and a Material.
/// </summary>
public sealed partial class GeometryModel3D : Model3D
{
//------------------------------------------------------
//
// Constructors
//
//------------------------------------------------------
/// <summary>
/// Builds a GeometryModel3D with empty Geometry3D and Material.
/// </summary>
public GeometryModel3D() {}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="geometry">Geometry of the new mesh primitive.</param>
/// <param name="material">Material of the new mesh primitive.</param>
public GeometryModel3D(Geometry3D geometry, Material material)
{
Geometry = geometry;
Material = material;
}
//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
//------------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
internal override Rect3D CalculateSubgraphBoundsInnerSpace()
{
Geometry3D geometry = Geometry;
if (geometry == null)
{
return Rect3D.Empty;
}
return geometry.Bounds;
}
internal override void RayHitTestCore(RayHitTestParameters rayParams)
{
Geometry3D geometry = Geometry;
if (geometry != null)
{
// If our Geometry3D hit test intersects anything we should return "this" Model3D
// as the HitTestResult.ModelHit.
rayParams.CurrentModel = this;
FaceType facesToHit = FaceType.None;
if (Material != null)
{
facesToHit |= FaceType.Front;
}
if (BackMaterial != null)
{
facesToHit |= FaceType.Back;
}
if (facesToHit != FaceType.None)
{
geometry.RayHitTest(rayParams, facesToHit);
}
}
}
internal void MaterialPropertyChangedHook(DependencyPropertyChangedEventArgs e)
{
}
internal void BackMaterialPropertyChangedHook(DependencyPropertyChangedEventArgs e)
{
MaterialPropertyChangedHook(e);
}
#endregion Internal Methods
}
}
|