Fix sp effect layer

internal/character/player.go

@@ -244,11 +244,6 @@ func (p *Player) Draw(screen *ebiten.Image) {
 		return
 	}
 
-	if p.current == move.SkillEffect {
-		screen.DrawImage(p.skillImage, p.spOp)
-		return
-	}
-
 	if p.current == move.SkillDash || p.current == move.SkillWalk || p.current == move.SkillAscending || p.current == move.SkillDescending {
 		screen.DrawImage(p.skillEffect, p.spEffectOp)
 	}
@@ -270,6 +265,14 @@ func (p *Player) Draw(screen *ebiten.Image) {
 	}
 }
 
+// DrawSpEffect draws the character's special skill effect.
+func (p *Player) DrawSpEffect(screen *ebiten.Image) {
+	if p.current == move.SkillEffect {
+		screen.DrawImage(p.skillImage, p.spOp)
+		return
+	}
+}
+
 // GetPosition return the current position of this player.
 func (p *Player) GetPosition() *view.Vector {
 	return p.stateMachine.GetPosition()

internal/scenes/scene_stage01.go

@@ -314,17 +314,22 @@ func (s *Stage01Scene) run() {
 
 // Draw draws background and characters.
 func (s *Stage01Scene) Draw(screen *ebiten.Image) {
+	// 遠くの背景や奥側のオブジェクト、プレイヤー、プレイヤーよりも手前のオブジェクトの順に描画する
 	s.field.DrawFarther(screen)
 	s.player.Draw(screen)
 	s.field.DrawCloser(screen)
+
+	// UI部品やユーザーに向けたメッセージ、SPエフェクトなどを描画する
 	s.drawUI(screen)
 	s.drawWithState(screen)
 
+	// FPSを表示する
 	tOp := &text.DrawOptions{}
 	tOp.GeoM.Translate(10, view.ScreenHeight-15)
 	tOp.ColorScale.ScaleWithColor(color.White)
 	text.Draw(screen, fmt.Sprintf("FPS: %3.1f", ebiten.ActualFPS()), fonts.GamerFontSS, tOp)
 
+	// 画面遷移時のカーテン描画や、ステージクリアのエフェクトを描画する
 	if s.isStarting || s.isClosing {
 		s.curtain.Draw(screen)
 	} else if s.state == stageClear {
@@ -412,6 +417,8 @@ func (s *Stage01Scene) drawWithState(screen *ebiten.Image) {
 		tOp.GeoM.Translate(10, 20)
 		tOp.ColorScale.ScaleWithColor(color.White)
 		text.Draw(screen, fmt.Sprintf("Music: %s", s.disc.Name), fonts.GamerFontS, tOp)
+	case skillEffect:
+		s.player.DrawSpEffect(screen)
 	case stageClear:
 		musicTextOp := &text.DrawOptions{}
 		musicTextOp.GeoM.Translate(10, 20)