h1or4dme8/osu-lazer
1
0
Fork 0
mirror of https://github.com/ppy/osu.git synced 2024-12-15 03:22:55 +08:00
Code Issues Releases Wiki Activity

Cleanup DragBox

Browse Source
This commit is contained in:
smoogipoo 2018-03-29 22:13:28 +09:00
parent 04874bcda4
commit 346de77776
1 changed files with 19 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
osu.Game/Screens/Edit/Screens/Compose/Layers/DragBox.cs
View File

@ -12,10 +12,13 @@ using OpenTK.Graphics;
namespace osu.Game.Screens.Edit.Screens.Compose.Layers
{
/// <summary>
/// A box that represents a drag selection.
/// A box that handles and displays drag selection for a collection of <see cref="HitObjectMask"/>s.
/// </summary>
public class DragBox : CompositeDrawable
{
/// <summary>
/// Invoked when the drag selection has finished.
/// </summary>
public event Action DragEnd;
private readonly IEnumerable<HitObjectMask> hitObjectMasks;
@ -65,7 +68,21 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Layers
var dragQuad = new Quad(dragStartPosition.X, dragStartPosition.Y, dragPosition.X - dragStartPosition.X, dragPosition.Y - dragStartPosition.Y);
// We use AABBFloat instead of RectangleF since it handles negative sizes for us
SetDragRectangle(dragQuad.AABBFloat);
var dragRectangle = dragQuad.AABBFloat;
var topLeft = ToLocalSpace(dragRectangle.TopLeft);
var bottomRight = ToLocalSpace(dragRectangle.BottomRight);
box.Position = topLeft;
box.Size = bottomRight - topLeft;
foreach (var mask in hitObjectMasks)
{
if (mask.IsAlive && mask.IsPresent && dragRectangle.Contains(mask.SelectionPoint))
mask.Select();
else
mask.Deselect();
}
return true;
}
@ -76,22 +93,5 @@ namespace osu.Game.Screens.Edit.Screens.Compose.Layers
DragEnd?.Invoke();
return true;
}
public void SetDragRectangle(RectangleF screenSpaceRectangle)
{
var topLeft = ToLocalSpace(screenSpaceRectangle.TopLeft);
var bottomRight = ToLocalSpace(screenSpaceRectangle.BottomRight);
box.Position = topLeft;
box.Size = bottomRight - topLeft;
foreach (var mask in hitObjectMasks)
{
if (mask.IsAlive && mask.IsPresent && screenSpaceRectangle.Contains(mask.SelectionPoint))
mask.Select();
else
mask.Deselect();
}
}
}
}