Class TPolyline2DNode

Unit

X3DNodes

Declaration

type TPolyline2DNode = class(TAbstractX3DGeometryNode)

Description

Series of contiguous line segments in 2D. Rendering of this node is not implemented yet.

Hierarchy

• TPersistent
• TNonRefCountedInterfacedPersistent
• TX3DFileItem
• TX3DNode
• TAbstractNode
• TAbstractGeometryNode
• TAbstractX3DGeometryNode
• TPolyline2DNode

Overview

Methods

	procedure CreateNode; override;
	class function ClassX3DType: string; override;
	class function URNMatching(const URN: string): boolean; override;
	function LocalBoundingBox(State: TX3DGraphTraverseState; ProxyGeometry: TAbstractGeometryNode; ProxyState: TX3DGraphTraverseState): TBox3D; override;
	function VerticesCount(State: TX3DGraphTraverseState; OverTriangulate: boolean; ProxyGeometry: TAbstractGeometryNode; ProxyState: TX3DGraphTraverseState): Cardinal; override;
	function TrianglesCount(State: TX3DGraphTraverseState; OverTriangulate: boolean; ProxyGeometry: TAbstractGeometryNode; ProxyState: TX3DGraphTraverseState): Cardinal; override;

Properties

property FdLineSegments: TMFVec2f read FFdLineSegments;

Description

Methods

	procedure CreateNode; override;

	class function ClassX3DType: string; override;

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

	function LocalBoundingBox(State: TX3DGraphTraverseState; ProxyGeometry: TAbstractGeometryNode; ProxyState: TX3DGraphTraverseState): TBox3D; override;

	function VerticesCount(State: TX3DGraphTraverseState; OverTriangulate: boolean; ProxyGeometry: TAbstractGeometryNode; ProxyState: TX3DGraphTraverseState): Cardinal; override;

	function TrianglesCount(State: TX3DGraphTraverseState; OverTriangulate: boolean; ProxyGeometry: TAbstractGeometryNode; ProxyState: TX3DGraphTraverseState): Cardinal; override;

Properties

	property FdLineSegments: TMFVec2f read FFdLineSegments;
Polyline segments. In VRML 97 it is called "point", in X3D it is "lineSegments".