added manager, scene, and first examples

main.go

@@ -1,5 +1,38 @@
 package main
 
+import (
+	"fmt"
+	"groovy/examples/splashmenu"
+	"groovy/groovy"
+	"log"
+
+	"github.com/hajimehoshi/ebiten/v2"
+)
+
 func main() {
+	manager := groovy.NewManager()
+
+	loadScenes(&manager)
+
+	ebiten.SetWindowSize(manager.Info.Dimension.Width, manager.Info.Dimension.Height)
+	ebiten.SetWindowTitle(manager.Info.Name)
+
+	fmt.Println(manager.Info.Name + ": v" + manager.Info.Version)
+
+	if err := ebiten.RunGame(&manager); err != nil {
+		log.Fatal(err)
+	}
 
 }
+
+// Example loading of two scenes
+func loadScenes(m *groovy.Manager) {
+	sceneSplash := splashmenu.NewSplash()
+	m.AddScene(&sceneSplash)
+
+	sceneMenu := splashmenu.NewMenu()
+	m.AddScene(&sceneMenu)
+
+	//sets current scene to the splash menu
+	m.SetCurrentScene(0)
+}