Hackathon

let size = 5;

let grid;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(255);

  strokeWeight(0);

​

  var w = windowWidth / size;

  var h = windowHeight / size;

  var x = Math.floor(w / 2);

  var y= Math.floor(h / 2);

  grid = createGrid(w, h);

  grid[x][y] = new Cell(0.5, 0.5);

}

​

function draw() {

  drawGrid(grid);

  //if (frameCount % 100 == 0)

    step(grid);

}

​

function step(grid) {

  var children = [];

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

    for (var j = 0; j < grid[i].length; j++) {  

      var cell = grid[i][j];

      if (cell) continue;

      var parents = getParents(grid, i, j);

      if (!parents.length) continue;

      var cell = createCellFromParents(parents);

      children.push({

        cell: cell,

        i: i,

        j: j

      });

    }

  }

  for (var i = 0; i < children.length; i++) {

    var child = children[i];

    grid[child.i][child.j] = child.cell;

  }

}

​

​