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

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

    [true, false, true, false, true],

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

    [false, false, false, false, false]

  ];

function setup() {

  createCanvas(400, 400);

  stroke(255,255,255);

}

​

function draw() {

  var won  = true;

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

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

      if (grid[r][c] === true)

        won = false;

  if(won === true){

    background(121,64,99)

    fill(0)

    stroke(0) 

    textAlign(CENTER);

    textSize(40)

    text("Yay, you won😄😁!!", 200,200)

  }else

  drawGrid();

}     

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){

​

  grid[r][c]= !grid[r][c];

}

function isValid(r, c){

  if (r<0)

    return false;

  if (r>4)

    return false;

  if (c<0)

    return false;

  if (c>4)

    return false;

  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(177,156,217);

      else 

        fill(248,205,205);

      rect(x, y, 80, 80);

    }

}