package ui import ( "github.com/hajimehoshi/go-ebiten/graphics" ) type ScreenSizeUpdatedEvent struct { Width int Height int } type InputStateUpdatedEvent struct { X int Y int } type UIEvents interface { ScreenSizeUpdated() <-chan ScreenSizeUpdatedEvent InputStateUpdated() <-chan InputStateUpdatedEvent } type UI interface { PollEvents() Draw(func(graphics.Canvas)) UIEvents }