private void SnapToNearestHex()
{
// If the space has no hexes, then just leave
if (_space.Count == 0)
{
return;
}
// First, work out which Hex is now in the center. It might be an occupied Hex or a free one.
var centerHex = _hex2Pix.ToHex(-_xTranslation, -_yTranslation, Size);
// If occupied Hex: just center it.
if (_space.Contains(centerHex))
{
SnapToHex(centerHex);
}
else // If free Hex: find the nearest occupied Hex and move it to the center
{
var nearestHexes = _space.GetNearestHexes(centerHex);
// From the equidistant Hexes, determine the one where the View is closest to the center and snap to that Hex
var nearestHex = nearestHexes.OrderBy(hex => GetViewForHex(hex).GetDistanceToCenter()).FirstOrDefault();
SnapToHex(nearestHex);
}
void SnapToHex(Hex hex)
{
var centerChild = GetViewForHex(hex);
SnapChildren(
_content.Width / 2.0d - (centerChild.X + centerChild.Width / 2.0d + _xTranslation),
_content.Height / 2.0d - (centerChild.Y + centerChild.Height / 2.0d + _yTranslation)
);
}
}
private void SnapToNearestHex()
{
// If the space has no hexes, then just leave
if (_space.Count == 0)
{
return;
}
// First, work out which Hex is now in the center. It might be an occupied Hex or a free one.
var centerHex = _hex2Pix.ToHex(-_xTranslation, -_yTranslation, Size);
// If occupied Hex: just center it.
if (_space.Contains(centerHex))
{
SnapToHex(centerHex);
}
else // If free Hex: find the nearest occupied Hex and move it to the center
{
var nearestHex = _space.GetNearestHexes(centerHex).First();
SnapToHex(nearestHex);
}
void SnapToHex(Hex hex)
{
var centerPayload = _space.GetPayload(hex);
var centerChild = _content.Children.First(c => c.BindingContext == centerPayload);
SnapChildren(
_content.Width / 2.0d - (centerChild.X + centerChild.Width / 2.0d + _xTranslation),
_content.Height / 2.0d - (centerChild.Y + centerChild.Height / 2.0d + _yTranslation)
);
}
}
