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replace drag cirle function with dictionary

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This commit is contained in:
Graham Johnson 2020-12-18 10:45:23 -05:00
parent 9079d33412
commit 122250f454
1 changed files with 17 additions and 44 deletions
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61
osu.Game/Screens/Edit/Compose/Components/SelectionBox.cs
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@ -2,6 +2,7 @@
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
@ -235,13 +236,27 @@ namespace osu.Game.Screens.Edit.Compose.Components
private void addDragHandle(Anchor anchor) => AddInternal(new SelectionBoxDragHandle
{
Anchor = anchor,
X = getAdjustmentToCenterCircleOnBorder(anchor).X,
Y = getAdjustmentToCenterCircleOnBorder(anchor).Y,
X = dragCircleAdjustments[anchor].X,
Y = dragCircleAdjustments[anchor].Y,
HandleDrag = e => OnScale?.Invoke(e.Delta, anchor),
OperationStarted = operationStarted,
OperationEnded = operationEnded
});
/// <summary>
/// Adjust Drag circle to be centered on the center of the border instead of on the edge.
/// </summary>
private Dictionary<Anchor, Vector2> dragCircleAdjustments = new Dictionary<Anchor, Vector2>(){
{Anchor.TopLeft, new Vector2(BORDER_RADIUS / 2)},
{Anchor.CentreLeft, new Vector2(BORDER_RADIUS / 2, 0)},
{Anchor.BottomLeft, new Vector2(BORDER_RADIUS / 2, -BORDER_RADIUS / 2)},
{Anchor.TopCentre, new Vector2(0, BORDER_RADIUS / 2)},
{Anchor.BottomCentre, new Vector2(0, -BORDER_RADIUS / 2)},
{Anchor.TopRight, new Vector2(-BORDER_RADIUS / 2, BORDER_RADIUS / 2)},
{Anchor.CentreRight, new Vector2(-BORDER_RADIUS / 2, 0)},
{Anchor.BottomRight, new Vector2(-BORDER_RADIUS / 2)}
};
private int activeOperations;
private float convertDragEventToAngleOfRotation(DragEvent e)
@ -253,48 +268,6 @@ namespace osu.Game.Screens.Edit.Compose.Components
return (endAngle - startAngle) * 180 / MathF.PI;
}
/// <summary>
/// Adjust Drag circle to be centered on the center of the border instead of on the edge.
/// </summary>
/// <param name="anchor">The part of the rectangle to be adjusted.</param>
/// <returns>A 2d vector on how much to adjust the drag circle</returns>
private Vector2 getAdjustmentToCenterCircleOnBorder(Anchor anchor)
{
Vector2 adjustment = Vector2.Zero;
switch (anchor)
{
case Anchor.TopLeft:
case Anchor.CentreLeft:
case Anchor.BottomLeft:
adjustment.X = BORDER_RADIUS / 2;
break;
case Anchor.TopRight:
case Anchor.CentreRight:
case Anchor.BottomRight:
adjustment.X = -BORDER_RADIUS / 2;
break;
}
switch (anchor)
{
case Anchor.TopLeft:
case Anchor.TopCentre:
case Anchor.TopRight:
adjustment.Y = BORDER_RADIUS / 2;
break;
case Anchor.BottomLeft:
case Anchor.BottomCentre:
case Anchor.BottomRight:
adjustment.Y = -BORDER_RADIUS / 2;
break;
}
return adjustment;
}
private void operationEnded()
{
if (--activeOperations == 0)