snake

type Board struct {
	Width  int
	Height int
	Data   []rune
}

type Cell struct {
	X    int
	Y    int
	Char rune
}

type Direction int

type Display interface {
	UpdateBoard(board *Board)
}

type Engine struct {
	Display    Display
	Width      int
	Height     int
	FPS        int
	Growth     int
	NextGrowth int
	Speed      int
	NextSpeed  int
	Direction  Direction
	Score      int
	Snake      *Snake
	Fruit      *Cell
	Refresh    *time.Ticker
	Quit       chan bool
	Move       chan Direction
}

type Game struct {
	*tview.Box

	Listener Listener
	App      *tview.Application
	Board    *Board
	Engine   *Engine
}

type Listener interface {
	SnakeGameFinished()
}

type Snake struct {
	Body []*Cell
}