From ca36ba9bfda3a810b05f99233d9ae41e5a98abf8 Mon Sep 17 00:00:00 2001
From: Colby Swandale <colby@taplaboratories.com>
Date: Sun, 18 Sep 2016 23:28:05 +1000
Subject: [PATCH] fixed sprites not being transparent on pixel data 0

---
 lib/waterfoul/gpu.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/waterfoul/gpu.rb b/lib/waterfoul/gpu.rb
index 764f7d2..7921c77 100644
--- a/lib/waterfoul/gpu.rb
+++ b/lib/waterfoul/gpu.rb
@@ -247,7 +247,7 @@ module Waterfoul
           elsif (byte_1 & shift == shift) && (byte_2 & shift == 0x0)
             pixel = 2
           elsif (byte_1 & shift == 0x0) && (byte_2 & shift == 0x00)
-            pixel = 0
+            next
           end
 
           buffer_x = sprite_x + pixelx