1 files changed, 138 insertions, 0 deletions
diff --git a/scene/2d/parallax_layer.cpp b/scene/2d/parallax_layer.cpp
new file mode 100644
index 000000000..2cda51dcc
--- /dev/null
+++ b/scene/2d/parallax_layer.cpp
@@ -0,0 +1,138 @@
+/*************************************************************************/
+/*  parallax_layer.cpp                                                   */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+#include "parallax_layer.h"
+#include "parallax_background.h"
+
+void ParallaxLayer::set_motion_scale(const Size2& p_scale) {
+
+	motion_scale=p_scale;
+}
+
+Size2 ParallaxLayer::get_motion_scale() const {
+
+	return motion_scale;
+
+}
+
+
+void ParallaxLayer::_update_mirroring() {
+
+	if (!get_parent())
+		return;
+
+	ParallaxBackground *pb = get_parent()->cast_to<ParallaxBackground>();
+	if (pb) {
+
+		RID c = pb->get_world_2d()->get_canvas();
+		RID ci = get_canvas_item();
+		VisualServer::get_singleton()->canvas_set_item_mirroring(c,ci,mirroring);
+	}
+
+}
+
+void ParallaxLayer::set_mirroring(const Size2& p_mirroring) {
+
+	mirroring=p_mirroring;
+	_update_mirroring();
+
+}
+
+Size2 ParallaxLayer::get_mirroring() const{
+
+	return mirroring;
+}
+
+
+
+void ParallaxLayer::_notification(int p_what) {
+
+	switch(p_what) {
+
+		case NOTIFICATION_ENTER_SCENE: {
+
+			orig_offset=get_pos();
+			orig_scale=get_scale();
+			_update_mirroring();
+		} break;
+	}
+}
+
+void ParallaxLayer::set_base_offset_and_scale(const Point2& p_offset,float p_scale) {
+
+	if (!is_inside_scene())
+		return;
+	if (get_scene()->is_editor_hint())
+		return;
+	Point2 new_ofs = ((orig_offset+p_offset)*motion_scale)*p_scale;
+
+	if (mirroring.x) {
+
+		while( new_ofs.x>=0) {
+			new_ofs.x -= mirroring.x*p_scale;
+		}
+		while(new_ofs.x < -mirroring.x*p_scale) {
+			new_ofs.x += mirroring.x*p_scale;
+		}
+	}
+
+	if (mirroring.y) {
+
+		while( new_ofs.y>=0) {
+			new_ofs.y -= mirroring.y*p_scale;
+		}
+		while(new_ofs.y < -mirroring.y*p_scale) {
+			new_ofs.y += mirroring.y*p_scale;
+		}
+	}
+
+
+	set_pos(new_ofs);
+	set_scale(Vector2(1,1)*p_scale);
+
+
+}
+
+void ParallaxLayer::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("set_motion_scale","scale"),&ParallaxLayer::set_motion_scale);
+	ObjectTypeDB::bind_method(_MD("get_motion_scale"),&ParallaxLayer::get_motion_scale);
+	ObjectTypeDB::bind_method(_MD("set_mirroring","mirror"),&ParallaxLayer::set_mirroring);
+	ObjectTypeDB::bind_method(_MD("get_mirroring"),&ParallaxLayer::get_mirroring);
+
+	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"motion/scale"),_SCS("set_motion_scale"),_SCS("get_motion_scale"));
+	ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"motion/mirroring"),_SCS("set_mirroring"),_SCS("get_mirroring"));
+
+}
+
+
+
+ParallaxLayer::ParallaxLayer()
+{
+	motion_scale=Size2(1,1);
+}