From 7a516d13e259e0d26d09521188443bf1eab893df Mon Sep 17 00:00:00 2001
From: Federico Pacheco <federicogpacheco@gmail.com>
Date: Tue, 4 Aug 2015 01:44:38 -0300
Subject: [PATCH] ParallaxBackground: added option to ignore camera zoom

---
 scene/2d/parallax_background.cpp | 20 +++++++++++++++++++-
 scene/2d/parallax_background.h   |  4 ++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/scene/2d/parallax_background.cpp b/scene/2d/parallax_background.cpp
index 109546bde3e..8bb4eb55baa 100644
--- a/scene/2d/parallax_background.cpp
+++ b/scene/2d/parallax_background.cpp
@@ -110,7 +110,10 @@ void ParallaxBackground::_update_scroll() {
 		if (!l)
 			continue;
 
-		l->set_base_offset_and_scale(ofs,scale);
+        if (ignore_camera_zoom)
+            l->set_base_offset_and_scale(ofs, 1.0);
+        else
+            l->set_base_offset_and_scale(ofs, scale);
 	}
 }
 
@@ -165,6 +168,18 @@ Point2 ParallaxBackground::get_limit_end() const {
 	return limit_end;
 }
 
+void ParallaxBackground::set_ignore_camera_zoom(bool ignore){
+
+    ignore_camera_zoom = ignore;
+
+}
+
+bool ParallaxBackground::is_ignore_camera_zoom(){
+
+    return ignore_camera_zoom;
+
+}
+
 void ParallaxBackground::_bind_methods() {
 
 	ObjectTypeDB::bind_method(_MD("_camera_moved"),&ParallaxBackground::_camera_moved);
@@ -178,6 +193,8 @@ void ParallaxBackground::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("get_limit_begin"),&ParallaxBackground::get_limit_begin);
 	ObjectTypeDB::bind_method(_MD("set_limit_end","ofs"),&ParallaxBackground::set_limit_end);
 	ObjectTypeDB::bind_method(_MD("get_limit_end"),&ParallaxBackground::get_limit_end);
+    ObjectTypeDB::bind_method(_MD("set_ignore_camera_zoom"), &ParallaxBackground::set_ignore_camera_zoom);
+    ObjectTypeDB::bind_method(_MD("is_ignore_camera_zoom"), &ParallaxBackground::is_ignore_camera_zoom);
 
 
 	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"scroll/offset"),_SCS("set_scroll_offset"),_SCS("get_scroll_offset"));
@@ -185,6 +202,7 @@ void ParallaxBackground::_bind_methods() {
 	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"scroll/base_scale"),_SCS("set_scroll_base_scale"),_SCS("get_scroll_base_scale"));
 	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"scroll/limit_begin"),_SCS("set_limit_begin"),_SCS("get_limit_begin"));
 	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"scroll/limit_end"),_SCS("set_limit_end"),_SCS("get_limit_end"));
+	ADD_PROPERTY( PropertyInfo(Variant::BOOL, "scroll/ignore_camera_zoom"), _SCS("set_ignore_camera_zoom"), _SCS("is_ignore_camera_zoom"));
 
 }
 
diff --git a/scene/2d/parallax_background.h b/scene/2d/parallax_background.h
index 363236b2ad4..8dede07a163 100644
--- a/scene/2d/parallax_background.h
+++ b/scene/2d/parallax_background.h
@@ -44,6 +44,7 @@ class ParallaxBackground : public CanvasLayer {
 	String group_name;
 	Point2 limit_begin;
 	Point2 limit_end;
+	bool ignore_camera_zoom;
 
 	void _update_scroll();
 protected:
@@ -72,6 +73,9 @@ public:
 	void set_limit_end(const Point2& p_ofs);
 	Point2 get_limit_end() const;
 
+    void set_ignore_camera_zoom(bool ignore);
+    bool is_ignore_camera_zoom();
+
 	ParallaxBackground();
 };