Ray3DHitTestResult.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Core / CSharp / System / Windows / Media3D / Ray3DHitTestResult.cs / 1 / 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.
//---------------------------------------------------------------------------- 
//
// 
//    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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Ray3DHitTestResult.cs source code in C# .NET

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