晚安

 象棋

畫棋盤

利用for迴圈畫格線
```
size(500,550);
for( int x=50; x<=450; x+=50 ){
  line(x,50,x,250);
  line(x,300,x,500);
}
for( int y=50; y<=500; y+=50 ){
  line(50,y, 450,y);
}
```

宣告陣列，暫時將數字當作棋子的種類
```

int [][]board={

  {4,5,3,2,1,2,3,5,4},

  {0,0,0,0,0,0,0,0,0},

  {0,6,0,0,0,0,0,6,0},

  {7,0,7,0,7,0,7,0,7}

};///1:將2:士3:象4:車5:馬6:包7:卒

void setup(){

  size(500,550);

}

void draw(){

    for(int x=50; x<=450;x+=50){

      line(x, 50, x, 250);

      line(x, 300, x, 450);

    }

    for(int y=50; y<=450; y+=50){

    line(50, y, 450, y);

    }

    for(int i=0; i<4; i++){

      for(int j=0; j<9; j++){

        text(board[i][j], 50+j*50, 50+i*50);

      }

    }

}

```

宣告字串陣列替換數字

```

int [][]board={

  {4,5,3,2,1,2,3,5,4},

  {0,0,0,0,0,0,0,0,0},

  {0,6,0,0,0,0,0,6,0},

  {7,0,7,0,7,0,7,0,7}

};///1:將2:士3:象4:車5:馬6:包7:卒

String[]name = {"將","士","象","車","馬","包","卒"};

void setup(){

  size(500,550);

  PFont font = createFont("標楷體", 30);

  textFont(font);

  textAlign(CENTER, CENTER);

}

void draw(){

    for(int x=50; x<=450;x+=50){

      line(x, 50, x, 250);

      line(x, 300, x, 450);

    }

    for(int y=50; y<=450; y+=50){

    line(50, y, 450, y);

    }

    for(int i=0; i<4; i++){

      for(int j=0; j<9; j++){

        int id = board[i][j];

        if(id==0)continue;

        text(name[id-1], 50+j*50, 50+i*50);

      }

    }

}

```

把紅方也畫出來
```

int [][]board={

  {4,5,3,2,1,2,3,5,4},

  {0,0,0,0,0,0,0,0,0},

  {0,6,0,0,0,0,0,6,0},

  {7,0,7,0,7,0,7,0,7},

  {0,0,0,0,0,0,0,0,0},

  {0,0,0,0,0,0,0,0,0},

  {-7,0,-7,0,-7,0,-7,0,-7},

  {0,-6,0,0,0,0,0,-6,0},

  {0,0,0,0,0,0,0,0,0},

  {-4,-5,-3,-2,-1,-2,-3,-5,-4},

};///1:將2:士3:象4:車5:馬6:包7:卒

String[]name = {"將","士","象","車","馬","包","卒"};

String[]name2= {"帥","仕","相","俥","傌","炮","兵"};

void setup(){

  size(500,550);

  PFont font = createFont("標楷體", 30);

  textFont(font);

  textAlign(CENTER, CENTER);

}

void draw(){

  background(#F0B82C);

    for(int x=50; x<=450;x+=50){

      line(x, 50, x, 250);

      line(x, 300, x, 450);

    }

    for(int y=50; y<=450; y+=50){

    line(50, y, 450, y);

    }

    for(int i=0; i<4; i++){

      for(int j=0; j<9; j++){

        int id = board[i][j];

        if(id==0)continue;

        fill(0);

        text(name[id-1], 50+j*50, 50+i*50);

        fill(#FF0000);

        text(name2[id-1],50+j*50, 450-i*50);

      }

    }

}

```