// canvas constructor
LifeCanvas::LifeCanvas(wxWindow *parent, Life *life, bool interactive)
: wxWindow(parent, wxID_ANY, wxDefaultPosition, wxSize(100, 100),
// canvas constructor
LifeCanvas::LifeCanvas(wxWindow *parent, Life *life, bool interactive)
: wxWindow(parent, wxID_ANY, wxDefaultPosition, wxSize(100, 100),