classafFantomMappy::LayerDatasys::Obj afFantomMappy::LayerData@JsRepresents the data in a Layer. It's essentially a 2D array of Ints.getSource Int get(Int x, Int y)Gets the data at the given coordinates. Throws ArgErr should the coordinates be out of bounds.setSource Void set(Int x, Int y, Int val)Sets the data at the given coordinates. Throws ArgErr should the coordinates be out of bounds.