diff --git a/osu.Game/Graphics/Cursor/MenuCursor.cs b/osu.Game/Graphics/Cursor/MenuCursor.cs index 5f57fb76b0..0bb33930b0 100644 --- a/osu.Game/Graphics/Cursor/MenuCursor.cs +++ b/osu.Game/Graphics/Cursor/MenuCursor.cs @@ -11,9 +11,9 @@ using osu.Framework.Graphics.Sprites; using osu.Framework.Input; using osu.Game.Configuration; using System; -using System.Diagnostics; using JetBrains.Annotations; using osu.Framework.Graphics.Textures; +using OpenTK.Input; namespace osu.Game.Graphics.Cursor { @@ -25,9 +25,8 @@ namespace osu.Game.Graphics.Cursor protected override Drawable CreateCursor() => new Cursor(); private Bindable cursorRotate; - private bool dragging; - - private bool startRotation; + private DragRotationState dragRotationState; + private Vector2 positionMouseDown; [BackgroundDependencyLoader(true)] private void load([NotNull] OsuConfigManager config, [CanBeNull] ScreenshotManager screenshotManager) @@ -40,18 +39,18 @@ namespace osu.Game.Graphics.Cursor protected override bool OnMouseMove(InputState state) { - if (cursorRotate && dragging) + if (dragRotationState != DragRotationState.NotDragging) { - Debug.Assert(state.Mouse.PositionMouseDown != null); - + var position = state.Mouse.Position; + var distance = Vector2Extensions.Distance(position, positionMouseDown); // don't start rotating until we're moved a minimum distance away from the mouse down location, // else it can have an annoying effect. - // ReSharper disable once PossibleInvalidOperationException - startRotation |= Vector2Extensions.Distance(state.Mouse.Position, state.Mouse.PositionMouseDown.Value) > 30; - - if (startRotation) + if (dragRotationState == DragRotationState.DragStarted && distance > 30) + dragRotationState = DragRotationState.Rotating; + // don't rotate when distance is zero to avoid NaN + if (dragRotationState == DragRotationState.Rotating && distance > 0) { - Vector2 offset = state.Mouse.Position - state.Mouse.PositionMouseDown.Value; + Vector2 offset = state.Mouse.Position - positionMouseDown; float degrees = (float)MathHelper.RadiansToDegrees(Math.Atan2(-offset.X, offset.Y)) + 24.3f; // Always rotate in the direction of least distance @@ -67,12 +66,6 @@ namespace osu.Game.Graphics.Cursor return base.OnMouseMove(state); } - protected override bool OnDragStart(InputState state) - { - dragging = true; - return base.OnDragStart(state); - } - protected override bool OnMouseDown(InputState state, MouseDownEventArgs args) { ActiveCursor.Scale = new Vector2(1); @@ -80,6 +73,12 @@ namespace osu.Game.Graphics.Cursor ((Cursor)ActiveCursor).AdditiveLayer.Alpha = 0; ((Cursor)ActiveCursor).AdditiveLayer.FadeInFromZero(800, Easing.OutQuint); + + if (args.Button == MouseButton.Left && cursorRotate) + { + dragRotationState = DragRotationState.DragStarted; + positionMouseDown = state.Mouse.Position; + } return base.OnMouseDown(state, args); } @@ -87,14 +86,16 @@ namespace osu.Game.Graphics.Cursor { if (!state.Mouse.HasMainButtonPressed) { - dragging = false; - startRotation = false; - ((Cursor)ActiveCursor).AdditiveLayer.FadeOut(500, Easing.OutQuint); - ActiveCursor.RotateTo(0, 600 * (1 + Math.Abs(ActiveCursor.Rotation / 720)), Easing.OutElasticHalf); ActiveCursor.ScaleTo(1, 500, Easing.OutElastic); } + if (args.Button == MouseButton.Left) + { + if (dragRotationState == DragRotationState.Rotating) + ActiveCursor.RotateTo(0, 600 * (1 + Math.Abs(ActiveCursor.Rotation / 720)), Easing.OutElasticHalf); + dragRotationState = DragRotationState.NotDragging; + } return base.OnMouseUp(state, args); } @@ -160,5 +161,12 @@ namespace osu.Game.Graphics.Cursor cursorScale.TriggerChange(); } } + + private enum DragRotationState + { + NotDragging, + DragStarted, + Rotating, + } } }