回答編集履歴
1
コードの改良
test
CHANGED
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@@ -111,3 +111,155 @@
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}
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```
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**追記**
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ファイルを Main.java と Board.java に分割できるように
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class Board を独立させました。
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マウスボタンをクリックしたときの処理を追加してみました。
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```Java
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import java.awt.Graphics;
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import java.awt.Color;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import javax.swing.JFrame;
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import javax.swing.JPanel;
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class Main extends JFrame {
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public static void main(String[] args) { new Main(); }
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Main() {
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setSize(650, 680);
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setTitle("Othello");
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setLocationRelativeTo(null);
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setResizable(false);
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setDefaultCloseOperation(EXIT_ON_CLOSE); // [x]ボタンで終了
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add(new Board()); // 描画領域の追加
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setVisible(true);
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}
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}
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class Board extends JPanel {
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static final int blank = 0, black = 1, white = 2;
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static final int width = 8, height = 8;
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static final int gs = 80;
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int[][] board = new int[height][width];
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int turn = black;
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Board() {
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for (int i = 0; i < height; i++)
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for (int j = 0; j < width; j++) board[i][j] = blank;
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board[3][3] = board[4][4] = white;
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board[3][4] = board[4][3] = black;
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addMouseListener(new MouseAdapter() {
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public void mousePressed(MouseEvent e) {
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int x = e.getX() / gs, y = e.getY() / gs;
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if (x < 8 && y < 8) {
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board[x][y] = turn;
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turn = black + white - turn;
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repaint();
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}
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}
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});
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}
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public void paintComponent(Graphics g) {
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g.setColor(new Color(0, 128, 128)); // 色を指定
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g.fillRect(0, 0, gs * width, gs * height); // 全体を塗りつぶす
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g.setColor(Color.black);
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for (int i = 0; i < height; i++)
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g.drawLine(gs * i, 0, gs * i, gs * height); // 縦線を引く
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for (int i = 0; i < width; i++)
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g.drawLine(0, gs * i, gs * width, gs * i); // 横線を引く
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g.drawRect(0, 0, gs * width, gs * height); // 外枠(矩形)を描画
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for (int i = 0; i < height; i++) {
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for (int j = 0; j < width; j++) {
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int piece = board[i][j];
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if (piece != blank) {
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g.setColor(piece == black ? Color.black : Color.white);
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g.fillOval(gs * i + 4, gs * j + 4, gs - 8, gs - 8);
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}
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}
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}
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}
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}
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```
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