From f04983e6ad3b985e11f8b14f1f891e9c48941e79 Mon Sep 17 00:00:00 2001
From: Hanno Braun <hello@hannobraun.com>
Date: Tue, 5 Nov 2024 18:02:31 +0100
Subject: [PATCH] Use `f64` on the geometry side

---
 experiments/2024-10-30/src/geometry.rs | 2 +-
 experiments/2024-10-30/src/render.rs   | 9 +++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/experiments/2024-10-30/src/geometry.rs b/experiments/2024-10-30/src/geometry.rs
index a9d8467ef..dbcfcb3ff 100644
--- a/experiments/2024-10-30/src/geometry.rs
+++ b/experiments/2024-10-30/src/geometry.rs
@@ -24,7 +24,7 @@ impl Mesh {
 
 #[derive(Clone, Copy)]
 pub struct Vertex {
-    pub point: [f32; 3],
+    pub point: [f64; 3],
 }
 
 pub type Index = u32;
diff --git a/experiments/2024-10-30/src/render.rs b/experiments/2024-10-30/src/render.rs
index dc74a0916..5602e5e61 100644
--- a/experiments/2024-10-30/src/render.rs
+++ b/experiments/2024-10-30/src/render.rs
@@ -192,8 +192,13 @@ impl Renderer {
         let mut vertices = Vec::new();
 
         for triangle in mesh.triangles() {
-            let triangle = triangle
-                .map(|index| Vec3::from(mesh.vertices()[index as usize].point));
+            let triangle = triangle.map(|index| {
+                Vec3::from(
+                    mesh.vertices()[index as usize]
+                        .point
+                        .map(|coord| coord as f32),
+                )
+            });
             let normal = {
                 let [a, b, c] = triangle;