nl_tokens: Adds a vertex to the hull
pl_tokens: function ( eyeVertex ) { var horizon = [ ] ; this . unassigned . <mask> ( ) ; // remove 'eyeVertex' from 'eyeVertex.face' so that it can't be added to the 'unassigned' vertex list this . removeVertexFromFace ( eyeVertex , eyeVertex . face ) ; this . computeHorizon ( eyeVertex . point , null , eyeVertex . face , horizon ) ; this . addNewFaces ( eyeVertex , horizon ) ; // reassign 'unassigned' vertices to the new faces this . resolveUnassignedPoints ( this . newFaces ) ; return this ; }