From ee006247516569cb9fdd380d66612f21290d48ee Mon Sep 17 00:00:00 2001 From: OliBomby Date: Fri, 20 Sep 2024 01:07:47 +0200 Subject: [PATCH] use minimum enclosing circle selection centre in rotation --- .../Edit/OsuSelectionRotationHandler.cs | 9 ++++----- .../SkinEditor/SkinSelectionRotationHandler.cs | 9 ++++----- .../Compose/Components/SelectionBoxRotationHandle.cs | 10 +++++++--- .../Compose/Components/SelectionRotationHandler.cs | 6 ++++++ 4 files changed, 21 insertions(+), 13 deletions(-) diff --git a/osu.Game.Rulesets.Osu/Edit/OsuSelectionRotationHandler.cs b/osu.Game.Rulesets.Osu/Edit/OsuSelectionRotationHandler.cs index 62a39d3702..44d1543ae4 100644 --- a/osu.Game.Rulesets.Osu/Edit/OsuSelectionRotationHandler.cs +++ b/osu.Game.Rulesets.Osu/Edit/OsuSelectionRotationHandler.cs @@ -47,7 +47,6 @@ namespace osu.Game.Rulesets.Osu.Edit private OsuHitObject[]? objectsInRotation; - private Vector2? defaultOrigin; private Dictionary? originalPositions; private Dictionary? originalPathControlPointPositions; @@ -61,7 +60,7 @@ namespace osu.Game.Rulesets.Osu.Edit changeHandler?.BeginChange(); objectsInRotation = selectedMovableObjects.ToArray(); - defaultOrigin = GeometryUtils.GetSurroundingQuad(objectsInRotation).Centre; + DefaultOrigin = GeometryUtils.MinimumEnclosingCircle(objectsInRotation).Item1; originalPositions = objectsInRotation.ToDictionary(obj => obj, obj => obj.Position); originalPathControlPointPositions = objectsInRotation.OfType().ToDictionary( obj => obj, @@ -73,9 +72,9 @@ namespace osu.Game.Rulesets.Osu.Edit if (!OperationInProgress.Value) throw new InvalidOperationException($"Cannot {nameof(Update)} a rotate operation without calling {nameof(Begin)} first!"); - Debug.Assert(objectsInRotation != null && originalPositions != null && originalPathControlPointPositions != null && defaultOrigin != null); + Debug.Assert(objectsInRotation != null && originalPositions != null && originalPathControlPointPositions != null && DefaultOrigin != null); - Vector2 actualOrigin = origin ?? defaultOrigin.Value; + Vector2 actualOrigin = origin ?? DefaultOrigin.Value; foreach (var ho in objectsInRotation) { @@ -103,7 +102,7 @@ namespace osu.Game.Rulesets.Osu.Edit objectsInRotation = null; originalPositions = null; originalPathControlPointPositions = null; - defaultOrigin = null; + DefaultOrigin = null; } private IEnumerable selectedMovableObjects => selectedItems.Cast() diff --git a/osu.Game/Overlays/SkinEditor/SkinSelectionRotationHandler.cs b/osu.Game/Overlays/SkinEditor/SkinSelectionRotationHandler.cs index 36b38543d1..9fd28a1cad 100644 --- a/osu.Game/Overlays/SkinEditor/SkinSelectionRotationHandler.cs +++ b/osu.Game/Overlays/SkinEditor/SkinSelectionRotationHandler.cs @@ -46,7 +46,6 @@ namespace osu.Game.Overlays.SkinEditor private Drawable[]? objectsInRotation; - private Vector2? defaultOrigin; private Dictionary? originalRotations; private Dictionary? originalPositions; @@ -60,7 +59,7 @@ namespace osu.Game.Overlays.SkinEditor objectsInRotation = selectedItems.Cast().ToArray(); originalRotations = objectsInRotation.ToDictionary(d => d, d => d.Rotation); originalPositions = objectsInRotation.ToDictionary(d => d, d => d.ToScreenSpace(d.OriginPosition)); - defaultOrigin = GeometryUtils.GetSurroundingQuad(objectsInRotation.SelectMany(d => d.ScreenSpaceDrawQuad.GetVertices().ToArray())).Centre; + DefaultOrigin = GeometryUtils.GetSurroundingQuad(objectsInRotation.SelectMany(d => d.ScreenSpaceDrawQuad.GetVertices().ToArray())).Centre; base.Begin(); } @@ -70,7 +69,7 @@ namespace osu.Game.Overlays.SkinEditor if (objectsInRotation == null) throw new InvalidOperationException($"Cannot {nameof(Update)} a rotate operation without calling {nameof(Begin)} first!"); - Debug.Assert(originalRotations != null && originalPositions != null && defaultOrigin != null); + Debug.Assert(originalRotations != null && originalPositions != null && DefaultOrigin != null); if (objectsInRotation.Length == 1 && origin == null) { @@ -79,7 +78,7 @@ namespace osu.Game.Overlays.SkinEditor return; } - var actualOrigin = origin ?? defaultOrigin.Value; + var actualOrigin = origin ?? DefaultOrigin.Value; foreach (var drawableItem in objectsInRotation) { @@ -100,7 +99,7 @@ namespace osu.Game.Overlays.SkinEditor objectsInRotation = null; originalPositions = null; originalRotations = null; - defaultOrigin = null; + DefaultOrigin = null; base.Commit(); } diff --git a/osu.Game/Screens/Edit/Compose/Components/SelectionBoxRotationHandle.cs b/osu.Game/Screens/Edit/Compose/Components/SelectionBoxRotationHandle.cs index c62e0e0d41..898efc8b5e 100644 --- a/osu.Game/Screens/Edit/Compose/Components/SelectionBoxRotationHandle.cs +++ b/osu.Game/Screens/Edit/Compose/Components/SelectionBoxRotationHandle.cs @@ -113,9 +113,13 @@ namespace osu.Game.Screens.Edit.Compose.Components private float convertDragEventToAngleOfRotation(DragEvent e) { - // Adjust coordinate system to the center of SelectionBox - float startAngle = MathF.Atan2(e.LastMousePosition.Y - selectionBox.DrawHeight / 2, e.LastMousePosition.X - selectionBox.DrawWidth / 2); - float endAngle = MathF.Atan2(e.MousePosition.Y - selectionBox.DrawHeight / 2, e.MousePosition.X - selectionBox.DrawWidth / 2); + // Adjust coordinate system to the center of the selection + Vector2 center = rotationHandler?.DefaultOrigin is not null + ? selectionBox.ToLocalSpace(rotationHandler.ToScreenSpace(rotationHandler.DefaultOrigin.Value)) + : selectionBox.DrawSize / 2; + + float startAngle = MathF.Atan2(e.LastMousePosition.Y - center.Y, e.LastMousePosition.X - center.X); + float endAngle = MathF.Atan2(e.MousePosition.Y - center.Y, e.MousePosition.X - center.X); return (endAngle - startAngle) * 180 / MathF.PI; } diff --git a/osu.Game/Screens/Edit/Compose/Components/SelectionRotationHandler.cs b/osu.Game/Screens/Edit/Compose/Components/SelectionRotationHandler.cs index 532daaf7fa..680acad114 100644 --- a/osu.Game/Screens/Edit/Compose/Components/SelectionRotationHandler.cs +++ b/osu.Game/Screens/Edit/Compose/Components/SelectionRotationHandler.cs @@ -27,6 +27,12 @@ namespace osu.Game.Screens.Edit.Compose.Components /// public Bindable CanRotateAroundPlayfieldOrigin { get; private set; } = new BindableBool(); + /// + /// Implementation-defined origin point to rotate around when no explicit origin is provided. + /// This field is only assigned during a rotation operation. + /// + public Vector2? DefaultOrigin { get; protected set; } + /// /// Performs a single, instant, atomic rotation operation. ///