From 496c63266d02bc9369e3406353b877a8ebbae60a Mon Sep 17 00:00:00 2001
From: James Barnett <noreply@jamesbarnett.xyz>
Date: Mon, 3 Jan 2022 21:09:23 +0000
Subject: Implement refraction

---
 src/Vector.ts | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/Vector.ts')

diff --git a/src/Vector.ts b/src/Vector.ts
index 3cebf6d..2be8e57 100644
--- a/src/Vector.ts
+++ b/src/Vector.ts
@@ -33,4 +33,8 @@ export class Vector {
   norm(): number {
     return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z);
   }
+
+  negative(): Vector {
+    return new Vector(-this.x, -this.y, -this.z);
+  }
 }
-- 
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