procedural_modelling 0.4.2

A framework-agnostic Procedural Modelling crate.
Documentation 
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use crate::mesh::{Face3d, FaceBasics, MeshType3D, Triangulation, VertexBasics};
use itertools::Itertools;

/// Converts the face into a triangle fan. Only works for convex planar faces.
pub fn fan_triangulation<T: MeshType3D>(
    face: &T::Face,
    mesh: &T::Mesh,
    indices: &mut Triangulation<T::V>,
) {
    debug_assert!(face.may_be_curved() || face.is_planar2(mesh));
    debug_assert!(face.is_convex(mesh));

    let center = face.vertices(mesh).next().unwrap();
    face.vertices(mesh)
        .skip(1)
        .tuple_windows::<(_, _)>()
        .for_each(|(a, b)| indices.insert_triangle(center.id(), a.id(), b.id()));
}