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/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media3D / SpotLight.cs / 1305600 / SpotLight.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: 3D spot light implementation. // // See spec at http://avalon/medialayer/Specifications/Avalon3D%20API%20Spec.mht // // History: // 06/18/2003 : t-gregr - Created // //--------------------------------------------------------------------------- using System; using System.Windows.Media; using System.Windows.Media.Composition; using MS.Internal; using System.ComponentModel.Design.Serialization; using System.Windows.Markup; namespace System.Windows.Media.Media3D { ////// The SpotLight derives from PointLightBase as it has a position, range, and attenuation, /// but also adds in a direction and parameters to control the "cone" of the light. /// In order to control the "cone", outerConeAngle (beyond which nothing is illuminated), /// and innerConeAngle (within which everything is fully illuminated) must be specified. /// Lighting between the outside of the inner cone and the outer cone falls off linearly. /// public sealed partial class SpotLight : PointLightBase { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Constructor. /// /// Diffuse color of the new light. /// Position of the new light. /// Direction of the new light. /// Outer cone angle of the new light. /// Inner cone angle of the new light. public SpotLight(Color diffuseColor, Point3D position, Vector3D direction, double outerConeAngle, double innerConeAngle) : this() { // Set PointLightBase properties Color = diffuseColor; Position = position; // Set SpotLight properties Direction = direction; OuterConeAngle = outerConeAngle; InnerConeAngle = innerConeAngle; } ////// Builds a default spotlight shining onto the origin from the (0,0,-1) /// public SpotLight() {} #endregion Constructors //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- //------------------------------------------------------ // // Public Properties // //------------------------------------------------------ //----------------------------------------------------- // // Public Events // //------------------------------------------------------ //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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