Overhauled the ParallaxBackground system so that it works properly regardless of the zoom of the camera.

1 files changed, 5 insertions, 1 deletions

diff --git a/scene/2d/camera_2d.cpp b/scene/2d/camera_2d.cpp
index d65a3bfe80..3164344d15 100644
--- a/scene/2d/camera_2d.cpp
+++ b/scene/2d/camera_2d.cpp
@@ -52,7 +52,11 @@ void Camera2D::_update_scroll() {
 		if (viewport) {
 			viewport->set_canvas_transform(xform);
 		}
-		get_tree()->call_group_flags(SceneTree::GROUP_CALL_REALTIME, group_name, "_camera_moved", xform);
+
+		Size2 screen_size = viewport->get_visible_rect().size;
+		Point2 screen_offset = (anchor_mode == ANCHOR_MODE_DRAG_CENTER ? (screen_size * 0.5) : Point2());
+
+		get_tree()->call_group_flags(SceneTree::GROUP_CALL_REALTIME, group_name, "_camera_moved", xform, screen_offset);
 	};
 }