clear(row, col)

Clears a specific cell in the quadrille, setting it to empty (i.e., null).

Example #

(click on any cell to clear it; press any key to reset)

code

Quadrille.cellLength = 20;
let quadrille;

function setup() {
  createCanvas(400, 400);
  reset();
}

function draw() {
  background('black');
  drawQuadrille(quadrille);
}

function mouseClicked() {
  const row = quadrille.mouseRow;
  const col = quadrille.mouseCol;
  quadrille.clear(row, col);
}

function keyPressed() {
  reset();
}

function reset() {
  quadrille = createQuadrille(20, 20, 100, color('red'));
  quadrille.rand(100, color('lime')).rand(100, color('blue'));
}

Syntax #

clear(row, col)

Parameters #

Param	Description
`row`	Number: row number of the cell to clear [0..height]
`col`	Number: column number of the cell to clear [0..width]