Class TTriangleFanSetNode

Unit

X3DNodes

Declaration

type TTriangleFanSetNode = class(TAbstractComposedGeometryNode)

Description

Triangles that form a fan shape around the first vertex. In constrast to TIndexedTriangleFanSetNode, this doesn't use indexes to compose vertexes into triangles.

Hierarchy

• TPersistent
• TNonRefCountedInterfacedPersistent
• TX3DFileItem
• TX3DNode
• TAbstractNode
• TAbstractGeometryNode
• TAbstractX3DGeometryNode
• TAbstractComposedGeometryNode
• TTriangleFanSetNode

Overview

Methods

	procedure CreateNode; override;
	class function ClassX3DType: string; override;
	class function URNMatching(const URN: string): boolean; override;
	function CoordRangesCounts(out RangeCount: TLongIntList; out SRanges, SRangeName: string; out RangeMinimumCount: Cardinal): boolean; override;
	procedure CoordPolygons( State: TX3DGraphTraverseState; PolygonHandler: TIndexedPolygonHandler); override;
	function TrianglesCount(State: TX3DGraphTraverseState; OverTriangulate: boolean; ProxyGeometry: TAbstractGeometryNode; ProxyState: TX3DGraphTraverseState): Cardinal; override;

Properties

property FdFanCount: TMFInt32 read FFdFanCount;

Description

Methods

	procedure CreateNode; override;

	class function ClassX3DType: string; override;

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

	function CoordRangesCounts(out RangeCount: TLongIntList; out SRanges, SRangeName: string; out RangeMinimumCount: Cardinal): boolean; override;

	procedure CoordPolygons( State: TX3DGraphTraverseState; PolygonHandler: TIndexedPolygonHandler); override;

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

Properties

	property FdFanCount: TMFInt32 read FFdFanCount;