Adding splash screen.

screens/start.go

@@ -0,0 +1,45 @@
+package screens
+
+import (
+	"image/color"
+	"mover/fonts"
+	"mover/gamedata"
+
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/inpututil"
+	"github.com/hajimehoshi/ebiten/v2/text"
+)
+
+type StartScreen struct {
+	eHandler   map[ScreenManagerEvent]func()
+	dimensions gamedata.Area
+}
+
+func NewStartScreen() *StartScreen {
+	s := &StartScreen{
+		eHandler: make(map[ScreenManagerEvent]func()),
+	}
+	return s
+}
+
+func (s *StartScreen) Update() error {
+
+	if inpututil.IsKeyJustPressed(ebiten.KeyEnter) {
+		s.eHandler[EventCompleted]()
+	}
+
+	return nil
+}
+
+func (s *StartScreen) Draw(screen *ebiten.Image) {
+	screen.Clear()
+	text.Draw(screen, "survive", fonts.SurviveFont.ArcadeLarge, 40, 80, color.White)
+}
+
+func (s *StartScreen) SetEventHandler(e ScreenManagerEvent, f func()) {
+	s.eHandler[e] = f
+}
+
+func (s *StartScreen) SetDimensions(a gamedata.Area) {
+	s.dimensions = a
+}