/// <summary>
/// Recreates the <see cref="ITransBox"/>es for the current selection.
/// </summary>
/// <param name="camera">The camera describing the view area.</param>
void UpdateTransBoxes(ICamera2D camera)
{
SelectedTransBox = null;
UnderCursor = null;
// Clear the old boxes
_transBoxes.Clear();
if (_items.Count <= 0)
{
// Nothing selected
return;
}
else if (_items.Count == 1)
{
// Only one selected
var item = _items.FirstOrDefault();
if (item == null)
{
Debug.Fail("How did this happen?");
Clear(camera);
return;
}
var transBoxes = TransBox.SurroundEntity(this, item, camera);
_transBoxes.AddRange(transBoxes);
}
else
{
// Multiple selected
var min = new Vector2(Items.Min(x => x.Position.X), Items.Min(x => x.Position.Y));
var max = new Vector2(Items.Max(x => x.Max.X), Items.Max(x => x.Max.Y));
var center = min + ((max - min) / 2f).Round();
var tb = new MoveManyTransBox(this, _items, center, camera);
_transBoxes.Add(tb);
}
}
/// <summary>
/// Recreates the <see cref="ITransBox"/>es for the current selection.
/// </summary>
/// <param name="camera">The camera describing the view area.</param>
void UpdateTransBoxes(ICamera2D camera)
{
SelectedTransBox = null;
UnderCursor = null;
// Clear the old boxes
_transBoxes.Clear();
if (_items.Count <= 0)
{
// Nothing selected
return;
}
else if (_items.Count == 1)
{
// Only one selected
var item = _items.FirstOrDefault();
if (item == null)
{
Debug.Fail("How did this happen?");
Clear(camera);
return;
}
var transBoxes = TransBox.SurroundEntity(this, item, camera);
_transBoxes.AddRange(transBoxes);
}
else
{
// Multiple selected
var min = new Vector2(Items.Min(x => x.Position.X), Items.Min(x => x.Position.Y));
var max = new Vector2(Items.Max(x => x.Max.X), Items.Max(x => x.Max.Y));
var center = min + ((max - min) / 2f).Round();
var tb = new MoveManyTransBox(this, _items, center, camera);
_transBoxes.Add(tb);
}
}
