function setup() {
  createCanvas(400, 400);
  background(220);
  bresenhamMatematico(10, 10, 350, 150);
}

function bresenhamMatematico(x1, y1, x2, y2) {
  let dx = x2 - x1;
  let dy = y2 - y1;
  let p = 2 * dy - dx;
  let x = x1;
  let y = y1;

  while (x <= x2) {
    point(x, y);
    x++;
    if (p < 0) {
      p = p + 2 * dy;
    } else {
      y++;
      p = p + 2 * dy - 2 * dx;
    }
  }
}