API Reference > geometry-core > Polyface > PolyfaceBuilder > addFacetFromGrowableArrays addFacetFromGrowableArrays Method Add a polygon to the evolving facets. Add points to the polyface indices are added (in reverse order if indicated by the builder state) addFacetFromGrowableArrays(points: GrowableXYZArray, normals: undefined | GrowableXYZArray, params: undefined | GrowableXYArray, colors: undefined | number[]): void Parameter Type Description points GrowableXYZArray normals undefined | GrowableXYZArray array of points. This may contain extra points not to be used in the polygon params undefined | GrowableXYArray colors undefined | number[] Returns - void Defined in polyface/PolyfaceBuilder.ts Line 1336 Last Updated: 11 June, 2024