@Override
public Ray2D transform(AffineTransform2D trans) {
double[] tab = trans.coefficients();
double x1 = x0 * tab[0] + y0 * tab[1] + tab[2];
double y1 = x0 * tab[3] + y0 * tab[4] + tab[5];
return new Ray2D(x1, y1, dx * tab[0] + dy * tab[1], dx * tab[3] + dy * tab[4]);
}
