From 9a7c310134f4e645f80f79253c6ad3ae4d0a37ed Mon Sep 17 00:00:00 2001
From: Juan Linietsky <reduzio@gmail.com>
Date: Sun, 26 Jun 2016 16:51:13 -0300
Subject: [PATCH] Avoid mirroring to go negative to fix crash, closes #4036

(cherry picked from commit 10f411b47bd46fc28f780be9f70c20228ef4428c)
---
 scene/2d/parallax_layer.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scene/2d/parallax_layer.cpp b/scene/2d/parallax_layer.cpp
index 7a898e43c9a..3bd93a05831 100644
--- a/scene/2d/parallax_layer.cpp
+++ b/scene/2d/parallax_layer.cpp
@@ -59,6 +59,11 @@ void ParallaxLayer::_update_mirroring() {
 void ParallaxLayer::set_mirroring(const Size2& p_mirroring) {
 
 	mirroring=p_mirroring;
+	if (mirroring.x<0)
+		mirroring.x=0;
+	if (mirroring.y<0)
+		mirroring.y=0;
+
 	_update_mirroring();
 
 }