diff --git a/osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSliderBall.cs b/osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSliderBall.cs index 6bfb4e8aae..a2fe623897 100644 --- a/osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSliderBall.cs +++ b/osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSliderBall.cs @@ -186,17 +186,22 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables private Vector2? lastPosition; + private bool rewinding; + public void UpdateProgress(double completionProgress) { Position = drawableSlider.HitObject.CurvePositionAt(completionProgress); var diff = lastPosition.HasValue ? lastPosition.Value - Position : Position - drawableSlider.HitObject.CurvePositionAt(completionProgress + 0.01f); + if (Clock.ElapsedFrameTime != 0) + rewinding = Clock.ElapsedFrameTime < 0; + // Ensure the value is substantially high enough to allow for Atan2 to get a valid angle. if (diff.LengthFast < 0.01f) return; - ball.Rotation = -90 + (float)(-Math.Atan2(diff.X, diff.Y) * 180 / Math.PI); + ball.Rotation = -90 + (float)(-Math.Atan2(diff.X, diff.Y) * 180 / Math.PI) + (rewinding ? 180 : 0); lastPosition = Position; } }