From b6e8b13d1bb4feb1fe4dd732fa9834d4423a2e5b Mon Sep 17 00:00:00 2001
From: Kayne Ruse <ratstail91@yahoo.com.au>
Date: Thu, 17 Jul 2014 17:01:18 +1000
Subject: [PATCH] Added error checking to Vector2::Normalize()

---
 src/utilities/vector2.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/utilities/vector2.hpp b/src/utilities/vector2.hpp
index 2be3d34..57c716c 100644
--- a/src/utilities/vector2.hpp
+++ b/src/utilities/vector2.hpp
@@ -43,6 +43,8 @@ public:
 	}
 	void Normalize() {
 		double l = Length();
+		if (l == 0)
+			throw(std::domain_error("Divide by zero"));
 		x /= l;
 		y /= l;
 	}