From 353ad1fc05cbeb333e83e60b274e7b5985900faf Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Tue, 31 Mar 2026 17:42:48 +0200
Subject: [PATCH] Add function to read and validate positive Vec3Draft

---
 src/app/App.tsx | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/app/App.tsx b/src/app/App.tsx
index baef28fb..5ed0518a 100644
--- a/src/app/App.tsx
+++ b/src/app/App.tsx
@@ -196,6 +196,16 @@ function readPositiveVec2Draft(draft: Vec2Draft, label: string): Vec2 {
   return vector;
 }
 
+function readPositiveVec3Draft(draft: Vec3Draft, label: string): Vec3 {
+  const vector = readVec3Draft(draft, label);
+
+  if (vector.x <= 0 || vector.y <= 0 || vector.z <= 0) {
+    throw new Error(`${label} values must remain positive.`);
+  }
+
+  return vector;
+}
+
 function readVec3Draft(draft: Vec3Draft, label: string): Vec3 {
   const vector = {
     x: Number(draft.x),