From fb45f6ccb34a2de232a9fd23c90893e7753fcdb7 Mon Sep 17 00:00:00 2001
From: Georg Hopp <georg@steffers.org>
Date: Thu, 2 Jan 2020 06:31:39 +0100
Subject: [PATCH] start normal calculation

---
 fractional/src/geometry.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fractional/src/geometry.rs b/fractional/src/geometry.rs
index fbdbc27..7fa883c 100644
--- a/fractional/src/geometry.rs
+++ b/fractional/src/geometry.rs
@@ -30,8 +30,9 @@ use crate::vector::Vector;
 #[derive(Debug)]
 pub struct Polyeder<T>
 where T: Add + Sub + Neg + Mul + Div + Debug + Copy + Trig {
-    points :Vec<Vector<T>>,
-    faces  :Vec<Vec<usize>>,
+    points  :Vec<Vector<T>>,
+    faces   :Vec<Vec<usize>>,
+    normals :Vec<Vector<T>>,
 }
 
 pub trait Primitives<T>