fj-core 0.49.0

Early-stage b-rep CAD kernel.
Documentation 
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use crate::{
    objects::{Face, HalfEdge, Shell, Surface},
    storage::Handle,
};

/// Access all half-edges referenced by an object, and the surface they're on
pub trait AllHalfEdgesWithSurface {
    /// Access all half-edges of the object, and the surface they're on
    fn all_half_edges_with_surface(
        &self,
        result: &mut Vec<(Handle<HalfEdge>, Handle<Surface>)>,
    );
}

impl AllHalfEdgesWithSurface for Face {
    fn all_half_edges_with_surface(
        &self,
        result: &mut Vec<(Handle<HalfEdge>, Handle<Surface>)>,
    ) {
        for cycle in self.region().all_cycles() {
            result.extend(
                cycle
                    .half_edges()
                    .iter()
                    .cloned()
                    .map(|half_edge| (half_edge, self.surface().clone())),
            );
        }
    }
}

impl AllHalfEdgesWithSurface for Shell {
    fn all_half_edges_with_surface(
        &self,
        result: &mut Vec<(Handle<HalfEdge>, Handle<Surface>)>,
    ) {
        for face in self.faces() {
            face.all_half_edges_with_surface(result);
        }
    }
}