public function draw(&$canvas, $color = 657930, $exceptions = [])
{
$color = is_null($this->color) ? $color : $this->color;
$half = $this->width / 2;
for ($pixelX = $this->center->x - $half; $pixelX <= $this->center->x + $half; $pixelX++) {
imagesetpixel($canvas, $pixelX, $this->center->y, $color);
}
if (!is_null($this->childTarget)) {
$this->childTarget->draw($canvas);
}
}
