From 75e6f7ad181d398b818367fdc5e86b1542d1bc0a Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Tue, 18 Jun 2019 23:19:23 -0400
Subject: Implemented "hole" typing.

---
 documentation/research/game_programming.md | 1 +
 1 file changed, 1 insertion(+)

(limited to 'documentation/research/game_programming.md')

diff --git a/documentation/research/game_programming.md b/documentation/research/game_programming.md
index 5a3f00682..de74e10f2 100644
--- a/documentation/research/game_programming.md
+++ b/documentation/research/game_programming.md
@@ -96,6 +96,7 @@
 1. https://www.babylonjs.com/
 1. https://github.com/lettier/3d-game-shaders-for-beginners
 1. [What good are hundreds of lights without hundreds of shadows?](https://worldoffries.wordpress.com/2019/03/26/what-good-is-hundreds-of-lights-with-out-hundreds-of-shadows/)
+1. [Ray Tracing with Metal](https://developer.apple.com/videos/play/wwdc2019/613/)
 
 # Idea
 
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