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X3DNodes
type TIndexedLineSetNode_1 = class(TAbstractIndexedNode_1)
Common base class for VRML 1.0 indexed nodes (IndexedFaceSet, IndexedTriangleMesh, IndexedLineSet).
class function ClassNodeTypeName: string; override;
function TrianglesCount(State: TX3DGraphTraverseState; OverTriangulate: boolean; ProxyGeometry: TAbstractGeometryNode; ProxyState: TX3DGraphTraverseState): Cardinal; override;
function TexCoord(State: TX3DGraphTraverseState; out ATexCoord: TX3DNode): boolean; override;
function Lit(State: TX3DGraphTraverseState): boolean; override;
Do we have enough normals information to render this node lit. VRML 1.0 specification explicitly mentions that IndexedLineSet is treated specially: it's unlit if there are not enough normals specified.