⚡️ (sudoku-game): add restart button

Author: yuanyu90221

internal/game/sudoku.go

@@ -81,3 +81,17 @@ func (board *Board) IncreaseFilledCount() {
 func (board *Board) DecreaseFilledCount() {
 	board.FilledCount--
 }
+
+// ResetBoardToDefault - 重開始功能
+func (board *Board) ResetBoardToDefault() {
+	for row := 0; row < BoardSize; row++ {
+		for col := 0; col < BoardSize; col++ {
+			if board.Cells[row][col].Type != Preset {
+				board.Cells[row][col].Type = Empty
+				board.Cells[row][col].Value = 0
+			}
+		}
+	}
+	board.FilledCount = 0
+	board.ConflictCount = 0
+}

internal/layout/font.go

@@ -63,13 +63,15 @@ const (
 	Playing
 	Win
 	Bug
+	Restart
+	Button
 )
 
 func getIconColor(iconType IconType) color.Color {
 	switch iconType {
-	case RemainingCount: // 顯示亮灰色
+	case RemainingCount, Button: // 顯示亮灰色
 		return color.RGBA{0xCD, 0xC9, 0xC9, 0xFF}
-	case Playing, Bug: // Green
+	case Playing, Bug, Restart: // Green
 		return color.RGBA{0x22, 0x8B, 0x22, 0xFF}
 	case Win: // Gold
 		return color.RGBA{0xFF, 0xD7, 0x00, 0xFF}

internal/layout/input-control.go

@@ -92,3 +92,15 @@ func handleNonConflict(board *game.Board, cellType game.CellType,
 	// 標示為 Input
 	board.Cells[targetRow][targetCol].Type = game.Input
 }
+
+// handleRestartButton
+func (gameLayout *GameLayout) handleRestartButton() {
+	if inpututil.IsMouseButtonJustPressed(ebiten.MouseButtonLeft) {
+		xPos, yPos := ebiten.CursorPosition()
+		if (xPos >= 8*cellSize && xPos <= 9*cellSize) &&
+			(yPos >= cellSize && yPos <= 2*cellSize) {
+			gameLayout.gameInstance.Board.ResetBoardToDefault()
+		}
+	}
+	gameLayout.isPlayerWin = gameLayout.checkIfPlayerWin()
+}

internal/layout/layout.go

@@ -26,6 +26,7 @@ type GameLayout struct {
 }
 
 func (gameLayout *GameLayout) Update() error {
+	gameLayout.handleRestartButton()
 	if gameLayout.isPlayerWin {
 		return nil
 	}
@@ -43,6 +44,7 @@ func (gameLayout *GameLayout) Draw(screen *ebiten.Image) {
 	gameLayout.drawRemainingUnsolvedCount(screen)
 	gameLayout.drawBugCount(screen)
 	gameLayout.drawBoardStatus(screen)
+	gameLayout.drawRestartButton(screen)
 	// 畫出 cursor
 	gameLayout.drawCursor(screen)
 	// 根據遊戲狀態來畫出盤面
@@ -267,6 +269,7 @@ func (gameLayout *GameLayout) checkIfPlayerWin() bool {
 	return remainingCount == 0 && conflictCount == 0
 }
 
+// drawBoardStatus - 根據是否勝利來畫出不同的提示詞
 func (gameLayout *GameLayout) drawBoardStatus(screen *ebiten.Image) {
 	emojiValue := "⏳"
 	message := "Keep going"
@@ -300,3 +303,23 @@ func (gameLayout *GameLayout) drawBoardStatus(screen *ebiten.Image) {
 		Size:   25,
 	}, textOpts)
 }
+
+// drawRestartButton - 繪製重新開始的 Button
+func (gameLayout *GameLayout) drawRestartButton(screen *ebiten.Image) {
+	vector.DrawFilledCircle(screen, float32(8*cellSize+cellSize/2), cellSize+cellSize/2, 25,
+		getIconColor(Button),
+		true,
+	)
+	emojiValue := "🔃"
+	emojiXPos := 8*cellSize + len(emojiValue)
+	emojiYPos := cellSize + cellSize/2
+	emojiOpts := &text.DrawOptions{}
+	emojiOpts.ColorScale.ScaleWithColor(getIconColor(Restart))
+	emojiOpts.PrimaryAlign = text.AlignStart
+	emojiOpts.SecondaryAlign = text.AlignCenter
+	emojiOpts.GeoM.Translate(float64(emojiXPos), float64(emojiYPos))
+	text.Draw(screen, emojiValue, &text.GoTextFace{
+		Source: emojiFaceSource,
+		Size:   30,
+	}, emojiOpts)
+}