Mimi Yin NYU-ITP

A more random random.

Randomly select a cell in a 10x10 grid to make red.

OR Make entire canvas red if a certain cell is randomly selected.

*/

​

// Mode

let zoom;

// Number of columns and rows in our grid

let numCols, numRows;

// Width and height of cell in our grid

let cellW, cellH;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  // 10 columns

  numCols = 10;

  // 10 rows

  numRows = 10;

  // Calculate cell width based on width of canvas and number of columns

  cellW = width/numCols;

  // Calculate cell height based on height of canvas and number of rows

  cellH = height/numRows;

}

​

​

function draw() {

  // Draw a white background

  background(255);

​

  // Pick a random cell

    x = floor(random(numCols));

  y = floor(random(numRows));

​

  // If zoomed in, make entire canvas red

  // if selected cell is cell (2, 5)

  if(zoom) {

    if(x == 2 && y == 5) {

      background('red');

    }

  }

  // Otherwise, make  the randomly selected cell red

  else {

    fill('red');

    rect(x*cellW, y*cellH, cellW, cellH);

  }

}

​

// Press mouse to witch modes

function mousePressed(){

 zoom = !zoom;

}