Virus - OpenProcessing

mySketch
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// Set the size of the grid
var resolution = 10;
​
// Calculate the number of rows and columns in the grid based on the size of the canvas
var rows, cols, grid,bbndry,
​
function setup() {
  createCanvas(400, 400);
  rows = height / resolution;
  cols = width / resolution
  // Initialize the grid with random values
  grid = createRandomGrid();
  bdry = createRandomBoundary(); 
  
}
​
function createRandomGrid() {
  var grid = new Array(cols);
  for (var i = 0; i < cols; i++) {
    grid[i] = new Array(rows);
    for (var j = 0; j < rows; j++) {
      grid[i][j] = floor(random(2));
    }
  }
  return grid;
}
​
​
function createRandomBoundary(){
  
  let arr = []
  
  let num = random(10); 
  for (var i = 0; i < num; i++){
    let obj = {x:random(width),
                y:random(height), 
                w: random(width/10),
                h: ranodm(height/10)
    }
    arr.push(obj)
    return arr
  }
​
}
​
// Create a random grid with either a 0 or 1 at each position
​
function draw() {
  // Draw the grid
  background(255);
  for (var i = 0; i < cols; i++) {
    for (var j = 0; j < rows; j++) {
      if (grid[i][j] == 1) {
        fill(0);
      } else {
        fill(255);
      }
      stroke(0);
      rect(i * resolution, j * resolution, resolution, resolution);
    }
  
​
  
//  bndry.forEach(o=>{
//    fill('red');
//    rect(o.x, o.y, o.w, o.h); 
    
//  })
​
  // Create a new grid to hold the updated cell values
  var next = new Array(cols);
  for (var i = 0; i < cols; i++) {
    next[i] = new Array(rows);
  }
​
  // Calculate the new cell values
  for (var i = 0; i < cols; i++) {
    for (var j = 0; j < rows; j++) {
      // Count the number of live neighbors
      var neighbors = countNeighbors(grid, i, j);
​
      // Rules for the game of life
      if (grid[i][j] == 0 && neighbors == 3) {
        next[i][j] = 1;
      } else if (grid[i][j] == 1 && (neighbors < 2 || neighbors > 3)) {
        next[i][j] = 0;
      } else {
        next[i][j] = grid[i][j];
      }
    }
  }
​
  // Set the new grid as the current grid
  grid = next;
}
​
// Count the number of live neighbors
function countNeighbors(grid, x, y) {
  var sum = 0;
  for (var i = -1; i < 2; i++) {
    for (var j = -1; j < 2; j++) {
      var col = (x + i + cols) % cols;
      var row = (y + j + rows) % rows;
      sum += grid[col][row];
    }
  }
  sum -= grid[x][y];
  return sum;
}