reflectXY method
Updates the value of this transformation to that of a reflection transformation composed with the current value.
@param x the x-ordinate of the line to reflect around @param y the y-ordinate of the line to reflect around @return this transformation, with an updated matrix
Implementation
AffineTransformation reflectXY(double x, double y) {
compose(reflectionInstanceXY(x, y));
return this;
}