[true, false, false, false, true],

  [false, false, false, false, false],

  [true, false, true, false, true],

  [false, false, false, false, false],

  [true, false, false, false, true],

];

​

function setup() {

  createCanvas(400, 400);

  stroke(255, 0, 0);

}

​

function draw() {

  winD();

}

function mousePressed() {

  let col = int(mouseX / 80);

  let row = int(mouseY / 80);

  flipLight(row, col);

  if (isValid(row - 1, col) === true) {

    flipLight(row - 1, col);

  }

  if (isValid(row + 1, col) === true) {

    flipLight(row + 1, col);

  }

  if (isValid(row, col + 1) === true) {

    flipLight(row, col + 1);

  }

  if (isValid(row, col - 1) === true) {

    flipLight(row, col - 1);

  }

}

function flipLight(r, c) {

  if (grid[r][c] === false) {

    grid[r][c] = true;

  } else {

    grid[r][c] = false;

  }

}

function isValid(r, c) {

  if (c + 1 === 6 || c - 1 === -2 || r + 1 === 6 || r - 1 === -2) {

    return false;

  } else{

    return true;

  }

}

function drawGrid() {

  for (var r = 0; r < grid.length; r++)

    for (var c = 0; c < grid[r].length; c++) {

      let x = c * 80;

      let y = r * 80;

      if (grid[r][c] === false) fill(0);

      else fill(255);

      rect(x, y, 80, 80);

    }

}

​

function winD() {

  var win = true;

  for (var r = 0; r < grid.length; r++){

    for (var c = 0; c < grid[r].length; c++) {

      if (grid[r][c] === true) {

        win = false;

      }

      if (win === true) {

        background(0);

        textAlign(CENTER);

        textSize(30);

        text("You win",200,200);

      } else {

        drawGrid();

      }

    }

}

}