private static Control RenderBit(long number, V origin, long bit, long i, long changeNumberEventId)
{
var shift = Vec(3 * (i % 8), 3 * (i / 8));
var pos = origin.AddVec(shift);
var(x, y) = pos;
if (bit == 1)
{
return(ImageButton(pos, DrawFilledCenteredSquare(1), changeNumberEventId, number - CollectionsModule.Power2(i)));
}
var num = number + CollectionsModule.Power2(i);
var clickArea = new ClickArea(Rect(x - 1, y - 1, 3, 3), changeNumberEventId, num);
return(new Control(List(clickArea), List(List(pos))));
}
public static ClickArea ShiftArea(this ClickArea area, V delta)
{
area.Rect = area.Rect.ShiftRect(delta);
return(area);
}