From 3ca5ab7806b36393244bf42edabf42f4e28fecfa Mon Sep 17 00:00:00 2001
From: Olivier Gayot <olivier.gayot@sigexec.com>
Date: Mon, 21 Dec 2020 23:19:49 +0100
Subject: Fix intentional use of negative indexing

Signed-off-by: Olivier Gayot <olivier.gayot@sigexec.com>
---
 cameltris.py | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'cameltris.py')

diff --git a/cameltris.py b/cameltris.py
index b0c78e1..60f8aee 100755
--- a/cameltris.py
+++ b/cameltris.py
@@ -109,6 +109,9 @@ def has_collision(y: int, x: int) -> bool:
                 if element is None:
                     continue
 
+                if row_id + y < 0:
+                    continue
+
                 if col_id + x < 0:
                     return True
 
-- 
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