Clean convex hull decomposition code

Remove unnecessary conversion between triangle data and vertex data
whenever possible.

1 files changed, 4 insertions, 2 deletions

diff --git a/core/math/triangle_mesh.h b/core/math/triangle_mesh.h
index 463b0dd5c8..2d3b4db4bb 100644
--- a/core/math/triangle_mesh.h
+++ b/core/math/triangle_mesh.h
@@ -37,11 +37,13 @@
 class TriangleMesh : public RefCounted {
 	GDCLASS(TriangleMesh, RefCounted);
 
+public:
 	struct Triangle {
 		Vector3 normal;
 		int indices[3];
 	};
 
+private:
 	Vector<Triangle> triangles;
 	Vector<Vector3> vertices;
 
@@ -86,8 +88,8 @@ public:
 	Vector3 get_area_normal(const AABB &p_aabb) const;
 	Vector<Face3> get_faces() const;
 
-	Vector<Triangle> get_triangles() const { return triangles; }
-	Vector<Vector3> get_vertices() const { return vertices; }
+	const Vector<Triangle> &get_triangles() const { return triangles; }
+	const Vector<Vector3> &get_vertices() const { return vertices; }
 	void get_indices(Vector<int> *r_triangles_indices) const;
 
 	void create(const Vector<Vector3> &p_faces);