From 313d9713f035fa21473bbd4334ae74e17018686d Mon Sep 17 00:00:00 2001
From: Hanno Braun <hello@hannobraun.com>
Date: Mon, 7 Apr 2025 13:07:51 +0200
Subject: [PATCH] Prepare to support other curves beside lines

---
 experiments/2025-03-18/src/geometry/curve.rs | 9 ++++++++-
 experiments/2025-03-18/src/topology/curve.rs | 9 +++++++--
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/experiments/2025-03-18/src/geometry/curve.rs b/experiments/2025-03-18/src/geometry/curve.rs
index ec78f4f22..1a6565a3e 100644
--- a/experiments/2025-03-18/src/geometry/curve.rs
+++ b/experiments/2025-03-18/src/geometry/curve.rs
@@ -1,4 +1,4 @@
-use fj_math::Vector;
+use fj_math::{Line, Transform, Vector};
 
 pub trait CurveGeometry {
     fn translate(&self, offset: Vector<3>) -> Box<dyn CurveGeometry>;
@@ -9,3 +9,10 @@ impl CurveGeometry for () {
         Box::new(())
     }
 }
+
+impl CurveGeometry for Line<3> {
+    fn translate(&self, offset: Vector<3>) -> Box<dyn CurveGeometry> {
+        let translated = self.transform(&Transform::translation(offset));
+        Box::new(translated)
+    }
+}
diff --git a/experiments/2025-03-18/src/topology/curve.rs b/experiments/2025-03-18/src/topology/curve.rs
index ecd07625f..ff740890d 100644
--- a/experiments/2025-03-18/src/topology/curve.rs
+++ b/experiments/2025-03-18/src/topology/curve.rs
@@ -1,3 +1,5 @@
+use fj_math::Line;
+
 use crate::geometry::CurveGeometry;
 
 use super::vertex::Vertex;
@@ -7,9 +9,12 @@ pub struct Curve {
 }
 
 impl Curve {
-    pub fn line_from_vertices(_: [&Vertex; 2]) -> Self {
+    pub fn line_from_vertices(vertices: [&Vertex; 2]) -> Self {
+        let points = vertices.map(|vertex| vertex.point);
+        let (line, _) = Line::from_points(points);
+
         Self {
-            geometry: Box::new(()),
+            geometry: Box::new(line),
         }
     }
 }