From 7074a8c0075fd89f1d6a8376025b292702aac9f3 Mon Sep 17 00:00:00 2001
From: Guillaume Pasquet <guillaume.pasquet@plentific.com>
Date: Mon, 9 Mar 2020 21:55:45 +0000
Subject: Fix LOS

---
 src/tiling.rs | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/tiling.rs b/src/tiling.rs
index a48d57e..c121eb4 100644
--- a/src/tiling.rs
+++ b/src/tiling.rs
@@ -130,10 +130,6 @@ impl TileGrid {
         self.reveal(start.0, start.1);
 
         loop {
-            if let TileType::Empty = self.tile_at(x, y).get_type() {
-                break;
-            }
-
             if x == end.0 && y == end.1 {
                 // self.reveal(x, y);
                 break;
@@ -148,6 +144,11 @@ impl TileGrid {
                 err += dx;
                 y = (y as isize + sy).max(0) as usize;
             }
+
+            if let TileType::Empty = self.tile_at(x, y).get_type() {
+                break;
+            }
+
             self.reveal(x, y);
         }
     }
-- 
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