Connect 4

int w=7, h=6, bs=100, player=1, win;

int [] [] board = new int [w] [h];

color winMark;

​

color p1Color = #581845;

color p2Color = #727E1E;

color bgColor = #DAF7A6;

color boardColor = #FFC300;

​

​

void setup() {

  size(700, 660);

  ellipseMode(CORNER);

  textAlign(CENTER);

  textSize(60);

  smooth();

  strokeWeight(2);

  stroke(255);

}

​

void draw() {

  background(bgColor);

  randomColor();

  Arrow();

  noFill();

  rect(0,0,width,height);

  for (int i=0; i<w; i++)for (int j=0; j<h; j++) {

    fill(boardColor);

    ellipse(i*bs, j*bs+65, bs-5, bs-5);

    if (board[i][j]>0) {

      if ( board[i][j] ==1) {

        fill(p1Color);

      } else if (board[i][j]==2 ) {

        fill(p2Color);

      } else if (board[i][j]==3) {

        fill(winMark);

      } else fill(0);

      ellipse(i*bs, j*bs+65, bs-5, bs-5);

    }

  }

​

  if (win==1) {

    fill(200, 10, 10);

    if (player==0)text("player red WIN!", width/2, height/2);

    else text("player green WIN!", width/2, height/2);

    text("ENTER to restart", width/2, height/2-100);

  }

}

int nextS(int x) {

  for (int y=h-1; y>=0; y--) {

    if (board[x][y]==0)return y;

  }

  return -1;

}

​

void mousePressed() {

  if (win==0) { 

    int x = int(mouseX / bs);

    int y= nextS(x);

    if (y>=0) {

      board[x][y] = player;

      if (player == 1) {

        player=2;

      } else player =1;

    }

    checkWin();

  }

}

​

void keyPressed() {

  if ( keyCode ==ENTER && win ==1) {

    player=1;

    for (int i=0; i< w; i++) for ( int j =0; j<h; j++) {

      board[i][j]=0;

      win=0;

    }

  }

}

​

​

​

void checkWin() {

  // check  Y

  for ( int i=0; i<w; i++) {

    for (int j=0; j<h-3; j++) {

      if (board[i][j]==1 && board[i][j+1]==1&&board[i][j+2]==1 &&board[i][ j+3 ]==1 ||

        board[i][j]==2 && board[i][j+1]==2&&board[i][j+2]==2 &&board[i][ j+3 ]==2) {

        board[i][j]=3 ;

        board[i][j+1]=3;

        board[i][j+2]=3; 

        board[i][j+3]=3;

        win=1;

      }

    }

  }

​

  //check X

  for ( int i=0; i<w-3; i++) {

    for (int j=0; j<h; j++) {

      if (board[i][j]==1 && board[i+1][j]==1&&board[i+2][j]==1 &&board[i+3][ j ]==1 ||

        board[i][j]==2 && board[i+1][j]==2&&board[i+2][j]==2 &&board[i+3][j]==2) {

        board[i][j]=3 ;

        board[i+1][j]=3;

        board[i+2][j]=3; 

        board[i+3][j]=3;

        win=1;

      }

    }

  }

​

​

  for ( int i=0; i<w-3; i++) {

    for (int j=0; j<3; j++) {

      // println(i, j);

      if (board[i][j]==1 && board[i+1][j+1]==1&&board[i+2][j+2]==1 &&board[i+3][ j+3 ]==1 ||

        board[i][j]==2 && board[i+1][j+1]==2&&board[i+2][j+2]==2 &&board[i+3][j+3]==2) {

        board[i][j]=3 ;

        board[i+1][j+1]=3;

        board[i+2][j+2]=3; 

        board[i+3][j+3]=3;

        win=1;

      }

    }

  }

​

  for ( int i=3; i<w; i++) {

    for (int j=0; j<3; j++) {

      if (board[i][j]==1 && board[i-1][j+1]==1&&board[i-2][j+2]==1 &&board[i-3][ j+3 ]==1 || 

        board[i][j]==2 && board[i-1][j+1]==2&&board[i-2][j+2]==2 &&board[i-3][j+3]==2) {

        board[i][j]=3 ;

        board[i-1][j+1]=3;

        board[i-2][j+2]=3; 

        board[i-3][j+3]=3;

        // println(i, j);

        win=1;

      }

    }

  }

}

​

void randomColor() {

  if (frameCount %10 ==1) {

    winMark = color(random(255), random(255), random(255));

  }

}

​

​

void Arrow() {

  if ( player ==1) {

    fill(p1Color);

  } else if (player == 2) {

    fill(p2Color);

  }

  int mapX=  int(mouseX /bs);

  int mapF = int(mapX*bs+10);

  triangle(mapF, 5, mapF+80, 5, mapF+40, 50);

}

​