A container that arranges its child controls in a grid layout. [GridContainer] arranges its child controls in a grid layout. The number of columns is specified by the [member columns] property, whereas the number of rows depends on how many are needed for the child controls. The number of rows and columns is preserved for every size of the container. [b]Note:[/b] [GridContainer] only works with child nodes inheriting from [Control]. It won't rearrange child nodes inheriting from [Node2D]. $DOCS_URL/tutorials/ui/gui_containers.html https://godotengine.org/asset-library/asset/677 The number of columns in the [GridContainer]. If modified, [GridContainer] reorders its Control-derived children to accommodate the new layout. The horizontal separation of children nodes. The vertical separation of children nodes.