<分区>
我有一项任务需要创建一个游戏，让您可以在 10x10 的棋盘上移动棋子。你移动到“^”空间，你就赢了。这是我到目前为止的代码，但我遇到了问题。当玩家输入 9 时，我在代码中打断了它应该退出游戏。但是，当中断在那里时，我收到无法访问的代码错误。如果我把它拿出来，游戏运行正常，除了它在每次输入后都说游戏结束，你也不能像你想象的那样退出游戏。我把它放错地方了吗？还是有更好的方法让玩家在移动时输入 9 时退出游戏？
import java.util.Scanner;
import java.util.Random;
public class MineWalker {
public static final int BOARD_SIZE = 10;
public static void main(String[] args) {
Scanner keyboard = new Scanner(System.in);
int pX = 0;
int pY = 0;
Random r = new Random();
int gX = r.nextInt(BOARD_SIZE);
int gY = r.nextInt(BOARD_SIZE);
Spaces[][] board = new Spaces[BOARD_SIZE][BOARD_SIZE];
for (int y = 0; y < board.length; y++) //clears board
{
for (int x = 0; x < board[y].length; x++) {
board[x][y] = Spaces.Empty;
}
}
board[pX][pY] = Spaces.Player;
board[gX][gY] = Spaces.Goal;
System.out.println("Welcome to Mine Walker. Get the ice cream cone and avoid the mines");
boolean gameOver = false;
while (gameOver == false) //game loop
{
for (int y = 0; y < board.length; y++) //Draws board
{
for (int x = 0; x < board[y].length; x++) {
switch (board[x][y]) {
case Empty:
System.out.print("_");
break;
case Player:
System.out.print("X");
break;
case Goal:
System.out.print("^");
break;
}
}
System.out.println();
}
System.out.println("Enter either a -1, 0, or 1 in the X or 9 to quit");//moves game piece
int dx = keyboard.nextInt();
if (dx == 9) ;
{
System.out.println("Game Over");
break;
}
System.out.println("Enter either a -1,0, or 1 in the Y"); // Unreachable statement here
int dy = keyboard.nextInt();
if (dx < -1 || dx > 1) {
System.out.println("Invalid x");
dx = 0;
}
if (dy < -1 || dy > 1) {
System.out.println("Invalid y");
dy = 0;
}
board[pX][pY] = Spaces.Empty;
pX += dx;
pY += dy;
if (board[pX][pY] == Spaces.Goal) {
System.out.println("You win!");
gameOver = true;
}
board[pX][pY] = Spaces.Player;
}
}
;
enum Spaces {Empty, Player, Goal}
}