java
7 分钟 读完 (大约 1057 个字)

四子棋

这是java课程上的一个作业,制作四字旗游戏.我加入了三子警告.欢迎提出改进意见

规则:双方必须轮流把一枚己棋投入开口，让棋子因地心引力落下在底部或其他棋子上。
当己方四枚棋子以纵、横、斜方向连成一线时获胜。
棋盘满棋时，无任何连成四子，则平手.

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	import java.util.*;
	public class ConnectFour {

		public static void main(String[] args) {
			Scanner sc = new Scanner(System.in);
			String[][] chess = new String[6][7];
			int round = 1;
			String[] symbol = {"×","○"};
			
			for(int a=0;a<chess.length;a++){
				for(int b=0;b<chess[0].length;b++)
				chess[a][b] = " ";
			}
			System.out.println("-------------------------四子棋-------------------------");
			System.out.println("兩人玩，每人各據一符號，猜拳贏先選擇您要的位置擺放符號，依序你下完，換我下\n" +
					           "直到相同符號能夠連成四子一直線即獲勝(縱.橫.斜三相同符號一直線均可，先達成者贏)\n" +
					           "，應盡阻擋對方連成四符號一直線唷!");
			System.out.println("--------------------------------------------------------");
			System.out.println();
			
			//先畫參考圖
			System.out.println("Y座標");
			System.out.println(" ↓");
			System.out.println("   ┌───┬───┬───┬───┬───┬───┬───┐");
			System.out.println(" 6 │   │   │   │   │   │   │   │");
			System.out.println("   ├───┼───┼───┼───┼───┼───┼───┤");
			System.out.println(" 5 │   │   │   │   │   │   │   │");
			System.out.println("   ├───┼───┼───┼───┼───┼───┼───┤");
			System.out.println(" 4 │   │   │   │   │   │   │   │");
			System.out.println("   ├───┼───┼───┼───┼───┼───┼───┤");
			System.out.println(" 3 │   │   │   │   │   │   │   │");
			System.out.println("   ├───┼───┼───┼───┼───┼───┼───┤");
			System.out.println(" 2 │   │   │   │   │   │   │   │");
			System.out.println("   ├───┼───┼───┼───┼───┼───┼───┤");
			System.out.println(" 1 │   │   │   │   │   │   │   │");
			System.out.println("   └───┴───┴───┴───┴───┴───┴───┘");	
			System.out.println("     1   2   3   4   5   6   7    ← X座標");
			System.out.println("--------------------------------------------------------");
			System.out.println();
			while(true){		
				//座標 (x-1)*1+(？-1)*7   剛好對應到   陣列的元素代碼
				System.out.println("請輸入您要擺放的位置");
				while(true){
					System.out.print("X座標： ");
					int keyinX = sc.nextInt();
					if(!(keyinX>=1 && keyinX<=7)){
						System.out.println("輸入錯誤,重新輸入");
						continue;
					}
					
					int number = (keyinX-1);
					if(!chess[5][number].equals(" ")){
						System.out.println("此處已經滿棋了!換一個地方 好么!");
						break;
					}
					int n =0;
					while(!chess[n][number].equals(" ")){
					  n++;
					}
					if(round % 2 == 0){
						chess[n][number] = "×";	
					}else{
						chess[n][number] = "○";
					}
						break;
				}
			//重繪圖
				System.out.println(" ↓");
				System.out.println("   ┌───┬───┬───┬───┬───┬───┬───┐");
				System.out.println(" 6 │ "+chess[5][0]+" │ "+chess[5][1]+" │ "+chess[5][2]+" │ "+chess[5][3]+" │ "+chess[5][4]+" │ "+chess[5][5]+" │ "+chess[5][6]+" │ ");
				System.out.println("   ├───┼───┼───┼───┼───┼───┼───┤");
				System.out.println(" 5 │ "+chess[4][0]+" │ "+chess[4][1]+" │ "+chess[4][2]+" │ "+chess[4][3]+" │ "+chess[4][4]+" │ "+chess[4][5]+" │ "+chess[4][6]+" │ ");
				System.out.println("   ├───┼───┼───┼───┼───┼───┼───┤");
				System.out.println(" 4 │ "+chess[3][0]+" │ "+chess[3][1]+" │ "+chess[3][2]+" │ "+chess[3][3]+" │ "+chess[3][4]+" │ "+chess[3][5]+" │ "+chess[3][6]+" │ ");
				System.out.println("   ├───┼───┼───┼───┼───┼───┼───┤");
				System.out.println(" 3 │ "+chess[2][0]+" │ "+chess[2][1]+" │ "+chess[2][2]+" │ "+chess[2][3]+" │ "+chess[2][4]+" │ "+chess[2][5]+" │ "+chess[2][6]+" │ ");
				System.out.println("   ├───┼───┼───┼───┼───┼───┼───┤");
				System.out.println(" 2 │ "+chess[1][0]+" │ "+chess[1][1]+" │ "+chess[1][2]+" │ "+chess[1][3]+" │ "+chess[1][4]+" │ "+chess[1][5]+" │ "+chess[1][6]+" │ ");
				System.out.println("   ├───┼───┼───┼───┼───┼───┼───┤");
				System.out.println(" 1 │ "+chess[0][0]+" │ "+chess[0][1]+" │ "+chess[0][2]+" │ "+chess[0][3]+" │ "+chess[0][4]+" │ "+chess[0][5]+" │ "+chess[0][6]+" │ ");
				System.out.println("   └───┴───┴───┴───┴───┴───┴───┘");	
				System.out.println("     1   2   3   4   5   6   7    ← X座標");
	
			//判斷輸贏
				boolean check = false;
				//橫直線	
				for(int n1=0;n1<chess.length;n1++){
					for(int n2=0;n2<4;n2++)
						if(chess[n1][0+n2].equals(chess[n1][1+n2])&&chess[n1][0+n2].equals(chess[n1][2+n2])&&chess[n1][0+n2].equals(chess[n1][3+n2])&& !(chess[n1][0+n2].equals(" ")))	
					check = true;						
				}
				//豎直線
				for(int n1=0;n1<chess[0].length;n1++){
					for(int n2=0;n2<3;n2++)
						if(chess[0+n2][n1].equals(chess[1+n2][n1])&&chess[0+n2][n1].equals(chess[2+n2][n1])&&chess[0+n2][n1].equals(chess[3+n2][n1])&& !(chess[0+n2][n1].equals(" ")))	
					check = true;						
				}
				//右上斜直線
				for(int n1=0;n1<3;n1++){
					for(int n2=0;n2<4;n2++)
						if(chess[0+n1][0+n2].equals(chess[1+n1][1+n2])&&chess[0+n1][0+n2].equals(chess[2+n1][2+n2])&&chess[0+n1][0+n2].equals(chess[3+n1][3+n2])&& !(chess[0+n1][0+n2].equals(" ")))	
					check = true;						
				}
				//右下斜直線
				for(int n1=3;n1<chess.length;n1++){
					for(int n2=0;n2<3;n2++)
						if(chess[0+n1][0+n2].equals(chess[n1-1][n2+1])&&chess[0+n1][0+n2].equals(chess[n1-2][2+n2])&&chess[0+n1][0+n2].equals(chess[n1-3][3+n2])&& !(chess[0+n1][0+n2].equals(" ")))	
					check = true;						
				}
				if(check == true){
					System.out.print("Congratulation！！！㊗️玩家 "+symbol[round % 2]);	//判斷為當局下棋者得勝
					System.out.println(" 獲勝");
					break;
				}
			//預測輸贏
				boolean check1 = false;
				//橫直線	
				for(int n1=0;n1<chess.length;n1++){
					for(int n2=0;n2<5;n2++)
						if(chess[n1][0+n2].equals(chess[n1][1+n2])&&chess[n1][0+n2].equals(chess[n1][2+n2])&& !(chess[n1][0+n2].equals(" ")))	
					check1 = true;						
				}
				//豎直線
				for(int n1=0;n1<chess[0].length;n1++){
					for(int n2=0;n2<4;n2++)
						if(chess[0+n2][n1].equals(chess[1+n2][n1])&&chess[0+n2][n1].equals(chess[2+n2][n1])&& !(chess[0+n2][n1].equals(" ")))	
					check1 = true;						
				}
				//右上斜直線
				for(int n1=0;n1<4;n1++){
					for(int n2=0;n2<5;n2++)
						if(chess[0+n1][0+n2].equals(chess[1+n1][1+n2])&&chess[0+n1][0+n2].equals(chess[2+n1][2+n2])&& !(chess[0+n1][0+n2].equals(" ")))	
					check1 = true;						
				}
				//右下斜直線
				for(int n1=2;n1<chess.length;n1++){
					for(int n2=0;n2<4;n2++)
						if(chess[0+n1][0+n2].equals(chess[n1-1][n2+1])&&chess[0+n1][0+n2].equals(chess[n1-2][2+n2])&& !(chess[0+n1][0+n2].equals(" ")))	
					check1 = true;						
				}
				if(check1 == true){
					System.out.print("注意⚠️！！！！！玩家 "+symbol[round % 2]);	//判斷為當局下棋者即將得勝
					System.out.println(" 即將獲勝");
			
				}
			//判斷平手，擺此處是為了最後也能顯示圖...否則習慣往後擺放
				int count = 0;	//計數目前場上的棋子數，如滿42棋 沒勝利 則平手..
				for(int a=0;a<chess.length;a++){
					for(int b=0;b<chess[0].length;b++) {
						if(!(chess[a][b].equals(" "))){
						count++;
						}
					}
				}
				if(count==42){
					System.out.println("平手");
					break;
				}
				
				System.out.println("--------------------------------------------------------");
				System.out.println();
				round++;//準備到下一回合
			
			}
	}
}

示例图如下:

ConnectFour.png

偏微分方程

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