Prepare to track internal triangles

experiments/2024-12-09/src/export.rs

@@ -11,7 +11,7 @@ pub fn export(op: &dyn Object) -> anyhow::Result<()> {
     let mut triangles = Vec::new();
 
     for triangle in tri_mesh.triangles {
-        let triangle = triangle.points.map(|point| {
+        let triangle = triangle.inner.points.map(|point| {
             *indices_by_vertex.entry(point).or_insert_with(|| {
                 let index = points.len();
                 points.push(point);

experiments/2024-12-09/src/extra/triangulate.rs

@@ -7,7 +7,7 @@ use geo::{Contains, Coord, LineString, Polygon};
 use spade::Triangulation;
 
 use crate::{
-    geometry::{TriMesh, Triangle},
+    geometry::{MeshTriangle, TriMesh, Triangle},
     math::{Plane, Point},
     object::Handle,
     topology::half_edge::HalfEdge,
@@ -32,7 +32,9 @@ pub fn triangulate(
         })
         .map(|triangle| {
             let points = triangle.map(|point| point.point_vertex);
-            Triangle { points }
+            MeshTriangle {
+                inner: Triangle { points },
+            }
         });
 
     let mut mesh = TriMesh::new();

experiments/2024-12-09/src/geometry/mod.rs

@@ -2,4 +2,8 @@ mod sketch;
 mod tri_mesh;
 mod triangle;
 
-pub use self::{sketch::Sketch, tri_mesh::TriMesh, triangle::Triangle};
+pub use self::{
+    sketch::Sketch,
+    tri_mesh::{MeshTriangle, TriMesh},
+    triangle::Triangle,
+};

experiments/2024-12-09/src/geometry/tri_mesh.rs

@@ -2,7 +2,7 @@ use super::Triangle;
 
 #[derive(Debug)]
 pub struct TriMesh {
-    pub triangles: Vec<Triangle<3>>,
+    pub triangles: Vec<MeshTriangle>,
 }
 
 impl TriMesh {
@@ -17,3 +17,8 @@ impl TriMesh {
         self
     }
 }
+
+#[derive(Debug)]
+pub struct MeshTriangle {
+    pub inner: Triangle<3>,
+}

experiments/2024-12-09/src/geometry/triangle.rs

@@ -5,7 +5,7 @@ use crate::{
     object::{HandleAny, Object},
 };
 
-use super::TriMesh;
+use super::{MeshTriangle, TriMesh};
 
 #[derive(Clone, Debug, Eq, Ord, PartialEq, PartialOrd)]
 pub struct Triangle<const D: usize> {
@@ -38,7 +38,9 @@ impl Object for Triangle<3> {
 
     fn tri_mesh(&self) -> TriMesh {
         TriMesh {
-            triangles: vec![self.clone()],
+            triangles: vec![MeshTriangle {
+                inner: self.clone(),
+            }],
         }
     }
 

experiments/2024-12-09/src/render/geometry.rs

@@ -19,7 +19,7 @@ impl Geometry {
         let mut vertices = Vec::new();
 
         for triangle in &tri_mesh.triangles {
-            let triangle = triangle.points.each_ref().map(|point| {
+            let triangle = triangle.inner.points.each_ref().map(|point| {
                 Vec3::from(
                     point.coords.components.map(|coord| coord.value() as f32),
                 )