static void Init()
{
// Get existing open window or if none, make a new one:
PlacementWindow window = (PlacementWindow)EditorWindow.GetWindow(typeof(PlacementWindow));
window.Show();
_objectPlacer = UnityEditor.SceneView.lastActiveSceneView.camera.gameObject.AddComponent <ObjectPlacer>();
_settings = (SettingsScriptableObject)Resources.Load("PlacementSettings", typeof(SettingsScriptableObject));
window.LoadValues();
}
