Class TSpotLightNode

DescriptionHierarchyFieldsMethodsProperties

Unit

Declaration

type TSpotLightNode = class(TAbstractPositionalLightNode)

Description

no description available, TAbstractPositionalLightNode description follows
no description available, TAbstractLightNode description follows

Base class for all VRML / X3D light nodes.

Note that even the old VRML 1.0 light nodes inherit from this. Although they interpret some bits differently ("ambientIntensity" < 0 has special meaning). But most of the fields behave identically, they only have different default values.

Hierarchy

Overview

Methods

Public procedure CreateNode; override;
Public class function ClassNodeTypeName: string; override;
Public class function URNMatching(const URN: string): boolean; override;
Public class function ForVRMLVersion(const Version: TX3DVersion): boolean; override;
Public procedure UpdateLightInstance(var LightInstance: TLightInstance); override;
Public function ProjectionMatrix: TMatrix4Single; override;
Public function ModelviewMatrix: TMatrix4Single; override;
Public function ModelviewRotationMatrix: TMatrix4Single; override;
Public function LocationLocal: TVector3Single; override;
Public function DirectionLocal: TVector3Single; override;
Public procedure Box3DDistances(const Box: TBox3D; out MinDistance, MaxDistance: Single); override;

Properties

Public property FdBeamWidth: TSFFloat read FFdBeamWidth;
Public property FdCutOffAngle: TSFFloat read FFdCutOffAngle;
Public property FdDirection: TSFVec3f read FFdDirection;
Public property FdProjectionAngle: TSFFloat read FFdProjectionAngle;

Description

Methods

Public procedure CreateNode; override;
 
Public class function ClassNodeTypeName: string; override;
 
Public class function URNMatching(const URN: string): boolean; override;
 
Public class function ForVRMLVersion(const Version: TX3DVersion): boolean; override;
 
Public procedure UpdateLightInstance(var LightInstance: TLightInstance); override;
 
Public function ProjectionMatrix: TMatrix4Single; override;
 
Public function ModelviewMatrix: TMatrix4Single; override;
 
Public function ModelviewRotationMatrix: TMatrix4Single; override;
 
Public function LocationLocal: TVector3Single; override;
 
Public function DirectionLocal: TVector3Single; override;
 
Public procedure Box3DDistances(const Box: TBox3D; out MinDistance, MaxDistance: Single); override;
 

Properties

Public property FdBeamWidth: TSFFloat read FFdBeamWidth;
 
Public property FdCutOffAngle: TSFFloat read FFdCutOffAngle;
 
Public property FdDirection: TSFVec3f read FFdDirection;
 
Public property FdProjectionAngle: TSFFloat read FFdProjectionAngle;
 

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