From 8296be848319eecd43f94900d4d12414ec189166 Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Wed, 3 Feb 2021 15:34:17 +0100
Subject: Add simple perspective camera

---
 src/lib.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/lib.rs')

diff --git a/src/lib.rs b/src/lib.rs
index df9bc1d..c3025b3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,6 +4,7 @@ mod scene;
 
 use std::ops::{Add, Sub, Mul, DivAssign};
 use std::cmp;
+use std::fmt;
 
 /// Trait used to implement generics
 ///
@@ -14,7 +15,8 @@ pub trait Number:
     Sub<Output = Self> +
     Add<Output = Self> +
     Mul<Output = Self> +
-    DivAssign
+    DivAssign +
+    fmt::Display
 {}
 
 impl Number for i32 {}
-- 
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