public void layout() {
float widthDown;
if (father != null)
widthDown = (float) father.children().mapToDouble(FamilyMember::getWidthDown).sum();
else if (mother != null)
widthDown = (float) father.children().mapToDouble(FamilyMember::getWidthDown).sum();
else widthDown = getWidthDown();
float diff = (getWidthUp() - widthDown) / 2f;
if (diff > 0) offset = diff;
else offset = 0;
if (father != null) {
float off = offset;
for (FamilyMember m : father.children().collect(Collectors.toList())) {
m.offset = off;
m.layoutDown();
off += m.getWidthDown();
}
} else layoutDown();
if (getWidthUp() < widthDown) offset = Math.max(0, x - (getWidthUp() - 1) / 2);
else offset = 0;
layoutUp();
}
public float getWidth() {
float widthDown;
if (father != null)
widthDown = (float) father.children().mapToDouble(FamilyMember::getWidthDown).sum();
else if (mother != null)
widthDown = (float) father.children().mapToDouble(FamilyMember::getWidthDown).sum();
else widthDown = getWidthDown();
return Math.max(widthDown, getWidthUp());
}