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Code Issues Releases Wiki Activity

Snap editor selection rotation when holding shift

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This commit is contained in:
Micha Lehmann 2023-04-08 00:50:31 +02:00
parent 628c23afae
commit f1de560d57
1 changed files with 55 additions and 7 deletions
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62
osu.Game/Screens/Edit/Compose/Components/SelectionBoxRotationHandle.cs
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@ -16,6 +16,8 @@ using osu.Framework.Localisation;
using osuTK;
using osuTK.Graphics;
using Key = osuTK.Input.Key;
namespace osu.Game.Screens.Edit.Compose.Components
{
public partial class SelectionBoxRotationHandle : SelectionBoxDragHandle, IHasTooltip
@ -26,6 +28,8 @@ namespace osu.Game.Screens.Edit.Compose.Components
private SpriteIcon icon;
private const float snapStep = 15;
private float rawCumulativeRotation = 0;
private readonly Bindable<float?> cumulativeRotation = new Bindable<float?>();
[Resolved]
@ -74,21 +78,38 @@ namespace osu.Game.Screens.Edit.Compose.Components
{
base.OnDrag(e);
float instantaneousAngle = convertDragEventToAngleOfRotation(e);
cumulativeRotation.Value += instantaneousAngle;
rawCumulativeRotation += convertDragEventToAngleOfRotation(e);
if (cumulativeRotation.Value < -180)
cumulativeRotation.Value += 360;
else if (cumulativeRotation.Value > 180)
cumulativeRotation.Value -= 360;
applyRotation(shouldSnap: e.ShiftPressed);
}
HandleRotate?.Invoke(instantaneousAngle);
protected override bool OnKeyDown(KeyDownEvent e)
{
base.OnKeyDown(e);
if (cumulativeRotation.Value != null && (e.Key == Key.ShiftLeft || e.Key == Key.ShiftRight))
{
applyRotation(shouldSnap: true);
}
return true;
}
protected override void OnKeyUp(KeyUpEvent e)
{
base.OnKeyUp(e);
if (cumulativeRotation.Value != null && (e.Key == Key.ShiftLeft || e.Key == Key.ShiftRight))
{
applyRotation(shouldSnap: false);
}
}
protected override void OnDragEnd(DragEndEvent e)
{
base.OnDragEnd(e);
cumulativeRotation.Value = null;
rawCumulativeRotation = 0;
}
private float convertDragEventToAngleOfRotation(DragEvent e)
@ -100,6 +121,33 @@ namespace osu.Game.Screens.Edit.Compose.Components
return (endAngle - startAngle) * 180 / MathF.PI;
}
private void applyRotation(bool shouldSnap)
{
float oldRotation = cumulativeRotation.Value ?? 0;
if (shouldSnap)
{
cumulativeRotation.Value = snap(rawCumulativeRotation, snapStep);
}
else
{
cumulativeRotation.Value = rawCumulativeRotation;
}
if (cumulativeRotation.Value < -180)
cumulativeRotation.Value += 360;
else if (cumulativeRotation.Value > 180)
cumulativeRotation.Value -= 360;
HandleRotate?.Invoke((float)cumulativeRotation.Value - oldRotation);
}
private float snap(float value, float step)
{
float floor = MathF.Floor(value / step) * step;
return value - floor < step / 2f ? floor : floor + step;
}
private void updateTooltipText()
{
TooltipText = cumulativeRotation.Value?.ToLocalisableString("0.0°") ?? default;