From 82c7e75e11b73d23b323ad9dc6f72754735e3bb5 Mon Sep 17 00:00:00 2001
From: Eryn Wells <eryn@erynwells.me>
Date: Sat, 2 Aug 2014 14:10:28 -0700
Subject: [PATCH] Normalize primary ray direction vectors

---
 src/camera.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/camera.cc b/src/camera.cc
index 0617f46..3d1b54e 100644
--- a/src/camera.cc
+++ b/src/camera.cc
@@ -122,7 +122,7 @@ PerspectiveCamera::compute_primary_ray(const int x,
     Vector3 direction = LinearCombination(1.0, get_direction(),
                                           x0, GetRight(),
                                           y0, GetUp());
-    return Ray(GetOrigin(), direction);
+    return Ray(GetOrigin(), direction.normalize());
 }
 
 #pragma mark - Orthographic Camera