rename presenter to constructor (memoriem of Last Ninja)

constructor/utils.go

@@ -0,0 +1,34 @@
+package constructor
+
+import (
+	"bytes"
+	"fmt"
+	"image"
+	"io/ioutil"
+	"log"
+
+	_ "image/png"
+
+	"github.com/hajimehoshi/ebiten"
+)
+
+func LoadImage(path string) *ebiten.Image {
+
+	file, err := ioutil.ReadFile(path) //read the content of file
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	img, _, err := image.Decode(bytes.NewReader(file))
+	if err != nil {
+		fmt.Println("decode error")
+		log.Fatal(err)
+	}
+
+	out, err := ebiten.NewImageFromImage(img, 0)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return out
+}