Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media3D / Ray3DHitTestResult.cs / 1305600 / Ray3DHitTestResult.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. /// /// NOTE: This might have originated as a PointHitTest on a 2D Visual /// which was extended into 3D. /// public abstract class RayHitTestResult : HitTestResult { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors // Prevent 3rd parties from extending this abstract base class. internal RayHitTestResult(Visual3D visualHit, Model3D modelHit) : base (visualHit) { _modelHit = modelHit; } #endregion Constructors //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- ////// Re-expose Visual property strongly typed to Visual3D. /// public new Visual3D VisualHit { get { return (Visual3D) base.VisualHit; } } ////// The Model3D intersected by the ray. /// public Model3D ModelHit { get { return _modelHit; } } ////// This is a point in 3-space at which the ray intersected /// the geometry of the hit Model3D. This point is in the /// local coordinate system of the Model3D. /// public abstract Point3D PointHit { get; } ////// This is the distance between the ray's origin and the /// point hit. /// public abstract double DistanceToRayOrigin { get; } //------------------------------------------------------ // // Public Properties // //------------------------------------------------------ //----------------------------------------------------- // // Public Events // //------------------------------------------------------ //----------------------------------------------------- // // Internal Methods // //----------------------------------------------------- internal abstract void SetDistanceToRayOrigin(double distance); internal static int CompareByDistanceToRayOrigin(RayHitTestResult x, RayHitTestResult y) { return Math.Sign(x.DistanceToRayOrigin - y.DistanceToRayOrigin); } //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields private readonly Model3D _modelHit; #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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