Class TBillboardNode

Unit

X3DNodes

Declaration

type TBillboardNode = class(TAbstractX3DGroupingNode, ITransformNode)

Description

Grouping node that transforms the coordinate system of its children so that they always turn towards the viewer.

Hierarchy

• TPersistent
• TNonRefCountedInterfacedPersistent
• TX3DFileItem
• TX3DNode
• TAbstractNode
• TAbstractChildNode
• TAbstractGroupingNode
• TAbstractX3DGroupingNode
• TBillboardNode

Overview

Methods

	function DirectEnumerateActive(Func: TEnumerateChildrenFunction): Pointer; override;
	procedure ApplyTransform(State: TX3DGraphTraverseState); override;
	procedure CreateNode; override;
	class function ClassX3DType: string; override;
	class function URNMatching(const URN: string): boolean; override;
	function TransformationChange: TNodeTransformationChange; override;
	procedure CameraChanged(const APosition, ADirection, AUp: TVector3Single);

Properties

	property CameraViewKnown: boolean read FCameraViewKnown;
	property CameraPosition: TVector3Single read FCameraPosition;
	property CameraDirection: TVector3Single read FCameraDirection;
	property CameraUp: TVector3Single read FCameraUp;
	property FdAxisOfRotation: TSFVec3f read FFdAxisOfRotation;
	property AxisOfRotation: TVector3Single read GetAxisOfRotation write SetAxisOfRotation;

Description

Methods

	function DirectEnumerateActive(Func: TEnumerateChildrenFunction): Pointer; override;

	procedure ApplyTransform(State: TX3DGraphTraverseState); override;

	procedure CreateNode; override;

	class function ClassX3DType: string; override;

	class function URNMatching(const URN: string): boolean; override;

	function TransformationChange: TNodeTransformationChange; override;

	procedure CameraChanged(const APosition, ADirection, AUp: TVector3Single);

Properties

	property CameraViewKnown: boolean read FCameraViewKnown;

	property CameraPosition: TVector3Single read FCameraPosition;

	property CameraDirection: TVector3Single read FCameraDirection;

	property CameraUp: TVector3Single read FCameraUp;

	property FdAxisOfRotation: TSFVec3f read FFdAxisOfRotation;

	property AxisOfRotation: TVector3Single read GetAxisOfRotation write SetAxisOfRotation;