refact

lib/input.go

@@ -0,0 +1,24 @@
+package lib
+
+import (
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/inpututil"
+)
+
+// pressedRepeat fires on press, then every `period` frames after held for `hold` frames.
+func pressedRepeat(key ebiten.Key, hold, period int) bool {
+	if inpututil.IsKeyJustPressed(key) {
+		return true
+	}
+	d := inpututil.KeyPressDuration(key)
+	if d > hold && (d-hold)%period == 0 {
+		return true
+	}
+	return false
+}
+
+func startPressed() bool {
+	return inpututil.IsKeyJustPressed(ebiten.KeyZ) ||
+		inpututil.IsKeyJustPressed(ebiten.KeySpace) ||
+		inpututil.IsKeyJustPressed(ebiten.KeyEnter)
+}