Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media3D / RayMeshGeometry3DHitTestResult.cs / 1305600 / RayMeshGeometry3DHitTestResult.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // History: // 06/22/2005 : [....] - Integrated from RayHitTestResult. // //--------------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; namespace System.Windows.Media.Media3D { ////// The HitTestResult of a Visual3D.HitTest(...) where the parameter /// was a RayHitTestParameter and the ray intersected a MeshGeometry3D. /// /// NOTE: This might have originated as a PointHitTest on a 2D Visual /// which was extended into 3D. /// public sealed class RayMeshGeometry3DHitTestResult : RayHitTestResult { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors internal RayMeshGeometry3DHitTestResult( Visual3D visualHit, Model3D modelHit, MeshGeometry3D meshHit, Point3D pointHit, double distanceToRayOrigin, int vertexIndex1, int vertexIndex2, int vertexIndex3, Point barycentricCoordinate) : base (visualHit, modelHit) { _meshHit = meshHit; _pointHit = pointHit; _distanceToRayOrigin = distanceToRayOrigin; _vertexIndex1 = vertexIndex1; _vertexIndex2 = vertexIndex2; _vertexIndex3 = vertexIndex3; _barycentricCoordinate = barycentricCoordinate; } #endregion Constructors //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- ////// This is a point in 3-space at which the ray intersected /// the geometry of the hit Model3D. This point is in the /// coordinate system of the Visual3D. /// public override Point3D PointHit { get { return _pointHit; } } ////// This is the distance between the ray's origin and the /// point the PointHit. /// public override double DistanceToRayOrigin { get { return _distanceToRayOrigin; } } ////// Index of the 1st vertex of the triangle which was intersected. /// Use this to retrieve the position, texturecoordinate, etc. from /// the MeshHit. /// public int VertexIndex1 { get { return _vertexIndex1; } } ////// Index of the 2nd vertex of the triangle which was intersected. /// Use this to retrieve the position, texturecoordinate, etc. from /// the MeshHit. /// public int VertexIndex2 { get { return _vertexIndex2; } } ////// Index of the 3rd vertex of the triangle which was intersected. /// Use this to retrieve the position, texturecoordinate, etc. from /// the MeshHit. /// public int VertexIndex3 { get { return _vertexIndex3; } } ///public double VertexWeight1 { get { return 1 - VertexWeight2 - VertexWeight3; } } /// public double VertexWeight2 { get { return _barycentricCoordinate.X; } } /// public double VertexWeight3 { get { return _barycentricCoordinate.Y; } } /// /// The MeshGeometry3D which was intersected by the ray. /// public MeshGeometry3D MeshHit { get { return _meshHit; } } //------------------------------------------------------ // // Public Properties // //------------------------------------------------------ //----------------------------------------------------- // // Public Events // //------------------------------------------------------ //----------------------------------------------------- // // Internal Methods // //----------------------------------------------------- internal override void SetDistanceToRayOrigin(double distance) { _distanceToRayOrigin = distance; } //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields private double _distanceToRayOrigin; // Not readonly because it can be adjusted after construction. private readonly int _vertexIndex1; private readonly int _vertexIndex2; private readonly int _vertexIndex3; private readonly Point _barycentricCoordinate; private readonly MeshGeometry3D _meshHit; private readonly Point3D _pointHit; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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