【发布时间】:2015-11-05 09:14:55
【问题描述】:
我在随机化并将 2x2 船添加到游戏板时遇到了问题。我需要它看起来像下面这样:
目前我似乎只能获得一艘 1x1 船,并且不太了解添加 2x2 并将其随机化以使它们都连接起来的逻辑。
当用户在主菜单中输入“2”时,我需要显示解决方案,即船只所在的位置。我也可以使用一些帮助。
尚未完成,但请在判断我的代码时保持批判,一切都会有所帮助!
提前致谢。
import java.util.Scanner;
public class Battleship
{
public static void main(String[] args)
{
Scanner input = new Scanner(System.in);
int [][] board = new int [5][5];
int [][] ship = new int [4][2];
int [] shot = new int[2];
boolean done = false;
resetboard(board);
while(!done)
{
displayBoard(board);
displayMenu();
for(int ships=0 ; ships < 4 ; ships++)
{
ship[ships][0]=(int) Math.random() * 5 + 1;
ship[ships][1]=(int) Math.random() * 5 + 1;
}
int choice = getMenuInput(input);
if(choice == 1)
{
getRow(shot);
getColumn(shot);
if(fireShot(shot,ship) == true)
{
board[shot[0]][shot[1]]= 1;
}
else
{
board[shot[0]][shot[1]]= 0;
}
}
else if(choice == 2)
{
for (int x = 0; x < 5; x++)
{
for(int y = 0; y < 5; y++)
{
for(int z = 0; z < 3; z++)
{
if(board[x][y] == ship[z][0] && board[x][y] == ship[z][1] )
{
board[ship[z][0]][ship[z][1]]= 1;
}
}
}
}
displayBoard(board);
}
else if (choice == 3)
{
done = true;
System.out.println("Thanks For Playing");
}
}
}
public static void displayBoard(int [][] board)
{
System.out.println(" A B C D E");
for(int r =0; r < 5; r++)
{
System.out.print((r + 1) + "");
for(int c = 0; c < 5; c++)
{
if(board[r][c] == -1)
{
System.out.print(" -");
}
else if(board[r][c] == 0)
{
System.out.print(" X");
}
else if(board[r][c] == 1)
{
System.out.print(" *");
}
}
System.out.println("");
}
}
public static void resetboard(int[][] a)
{
for(int row=0 ; row < 5 ; row++ )
{
for(int column=0 ; column < 5 ; column++ )
{
a[row][column]=-1;
}
}
}
public static void displayMenu()
{
System.out.println("\nMenu:");
System.out.println("1. Fire Shot");
System.out.println("2. Show Solution");
System.out.println("3. Quit");
}
public static int getMenuInput(Scanner input)
{
int in = 0;
if(input.hasNextInt())
{
in = input.nextInt();
if(in>0 && in<4)
{
in = in;
}
else
{
System.out.println("Invalid Entry, Please Try Again.\n");
}
}
else
{
System.out.println("Invalid Entry, Please Try Again.\n");
input.nextInt();
}
return in;
}
public static void getRow(int [] shot)
{
Scanner input = new Scanner(System.in);
System.out.println("Enter a Row Number: ");
shot[0] = shotValid(input);
shot[0]--;
}
public static void getColumn(int [] shot)
{
Scanner input = new Scanner(System.in);
int numb = 0;
System.out.println("Enter a Column Letter: ");
String choice = input.next();
if (choice.equals("A"))
{
numb = 0;
}
else if(choice.equals("B"))
{
numb = 1;
}
else if( choice.equals("C"))
{
numb = 2;
}
else if(choice.equals("D"))
{
numb = 3;
}
else if(choice.equals("E"))
{
numb = 4;
}
else
{
System.out.println("2Invalid Entry, Please Try Again.\n");
input.nextLine();
}
shot[1] = numb;
}
public static boolean fireShot(int [] shot, int [][]ship)
{
boolean result = false;
for(int shipHit=0 ; shipHit<ship.length ; shipHit++)
{
if( shot[0]==ship[shipHit][0] && shot[1]==ship[shipHit][1])
{
result = true;
}else
{
result = false;
}
}
return result;
}
public static int shotValid(Scanner quantity)
{
int shot = 0;
boolean done = false;
while(!done)
{
if(quantity.hasNextInt())
{
shot = quantity.nextInt();
if(shot>0 && shot<6)
{
shot = shot;
done = true;
}
else
{
System.out.println("1Invalid Entry, Please Try Again.\n");
}
}
else
{
System.out.println("2Invalid Entry, Please Try Again.\n");
quantity.next();
}
}
return shot;
}
}
【问题讨论】:
-
我从这里看不到你的照片,但如果它像标准战舰一样,一旦你选择了“船的其余部分”的位置,你只需为它的尖端选择一个方向。但是,您必须检查每个方向是否都符合条件,如果您离棋盘的一侧太近,则不应尝试将船朝该方向扩展