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Code Issues Releases Wiki Activity

Implement slider head control point snapping (#6753)

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Implement slider head control point snapping
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Dean Herbert 2019-11-07 18:48:29 +09:00 committed by GitHub
commit 6805c029e7
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 3 deletions
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14
osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/Components/PathControlPointPiece.cs
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@ -10,6 +10,7 @@ using osu.Framework.Graphics.Lines;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Input.Events;
using osu.Game.Graphics;
using osu.Game.Rulesets.Edit;
using osu.Game.Rulesets.Osu.Objects;
using osuTK;
using osuTK.Graphics;
@ -29,6 +30,9 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
private readonly Container marker;
private readonly Drawable markerRing;
[Resolved(CanBeNull = true)]
private IDistanceSnapProvider snapProvider { get; set; }
[Resolved]
private OsuColour colours { get; set; }
@ -146,12 +150,16 @@ namespace osu.Game.Rulesets.Osu.Edit.Blueprints.Sliders.Components
if (Index == 0)
{
// Special handling for the head - only the position of the slider changes
slider.Position += e.Delta;
// Special handling for the head control point - the position of the slider changes which means the snapped position and time have to be taken into account
(Vector2 snappedPosition, double snappedTime) = snapProvider?.GetSnappedPosition(e.MousePosition, slider.StartTime) ?? (e.MousePosition, slider.StartTime);
Vector2 movementDelta = snappedPosition - slider.Position;
slider.Position += movementDelta;
slider.StartTime = snappedTime;
// Since control points are relative to the position of the slider, they all need to be offset backwards by the delta
for (int i = 1; i < newControlPoints.Length; i++)
newControlPoints[i] -= e.Delta;
newControlPoints[i] -= movementDelta;
}
else
newControlPoints[Index] += e.Delta;