public override void Update(double dt)
{
base.Update(dt);
double w = 0, h = -Spacing;
foreach (var child in Children)
{
double curW = child.Size.X, curH = child.Size.Y;
if (Horizontal)
{
GUtil.Swap(ref curW, ref curH);
}
w = Math.Max(w, curW);
h += curH + Spacing;
}
if (Horizontal)
{
GUtil.Swap(ref w, ref h);
}
Size = new Vec2(w, h);
double pos = Horizontal ? BottomLeft.X : TopRight.Y;
foreach (var child in Children)
{
double nextPos = pos + (Horizontal ? child.Size.X : -child.Size.Y);
double mid = (pos + nextPos) / 2;
if (Horizontal)
{
child.Position = new Vec2(mid, Center.Y);
}
else
{
child.Position = new Vec2(Center.X, mid);
}
pos = nextPos + (Horizontal ? Spacing : -Spacing);
}
}