4 files changed, 15 insertions, 9 deletions
diff --git a/src/math/mod.rs b/src/math/mod.rs
index 07bc36b..e72a7a4 100644
--- a/src/math/mod.rs
+++ b/src/math/mod.rs
@@ -1,17 +1,13 @@
 pub mod line_segment;
 pub mod polygon;
-pub mod polygon_graph;
 pub mod rect;
 pub mod triangle;
-pub mod triangulate;
 pub mod vec2;
 
 pub use self::line_segment::*;
 pub use self::polygon::*;
-pub use self::polygon_graph::*;
 pub use self::rect::*;
 pub use self::triangle::*;
-pub use self::triangulate::*;
 pub use self::vec2::*;
 
 use std::cmp::Ordering;
diff --git a/src/math/polygon.rs b/src/math/polygon/mod.rs
index 5711049..4530857 100644
--- a/src/math/polygon.rs
+++ b/src/math/polygon/mod.rs
@@ -1,4 +1,12 @@
-use super::{PolygonGraph, Vec2};
+//! Contains functions and structures to help with operations on polygons.
+
+pub mod polygon_graph;
+pub mod triangulate;
+
+pub use polygon_graph::*;
+pub use triangulate::*;
+
+use super::Vec2;
 use nalgebra::{ClosedDiv, ClosedMul, ClosedSub, RealField, Scalar};
 use num_traits::Zero;
 use std::ops::Neg;
diff --git a/src/math/polygon_graph.rs b/src/math/polygon/polygon_graph.rs
index 14b2b0d..9477fbc 100644
--- a/src/math/polygon_graph.rs
+++ b/src/math/polygon/polygon_graph.rs
@@ -1,4 +1,5 @@
-use super::{LineSegment, Polygon, Vec2};
+use super::Polygon;
+use crate::math::{self, LineSegment, Vec2};
 use nalgebra::{RealField, Scalar};
 use std::cmp::{Ordering, PartialOrd};
 
@@ -273,8 +274,8 @@ impl<T: Scalar + Copy + PartialOrd> PolygonGraph<T> {
                 .adjacent
                 .iter()
                 .max_by(|&a, &b| {
-                    super::triplet_angle(last_vec, current_node.vec, *a)
-                        .partial_cmp(&super::triplet_angle(last_vec, current_node.vec, *b))
+                    math::triplet_angle(last_vec, current_node.vec, *a)
+                        .partial_cmp(&math::triplet_angle(last_vec, current_node.vec, *b))
                         .unwrap_or(Ordering::Equal)
                 })
                 .expect("Adjacency list is empty. The polygon has an open edge (is broken)");
diff --git a/src/math/triangulate.rs b/src/math/polygon/triangulate.rs
index 8ef92f1..4860518 100644
--- a/src/math/triangulate.rs
+++ b/src/math/polygon/triangulate.rs
@@ -1,6 +1,7 @@
 //! Module for turning a polygon into a number of non-overlapping triangles.
 
-use super::{Polygon, Triangle};
+use super::Polygon;
+use crate::math::Triangle;
 use nalgebra::Scalar;
 
 /// Uses earclipping algorithm (see https://www.geometrictools.com/Documentation/TriangulationByEarClipping.pdf)