diff --git a/osu.Game.Rulesets.Osu.Tests/Editor/TestSceneOsuDistanceSnapGrid.cs b/osu.Game.Rulesets.Osu.Tests/Editor/TestSceneOsuDistanceSnapGrid.cs index 7579e8077b..0c064ecfa6 100644 --- a/osu.Game.Rulesets.Osu.Tests/Editor/TestSceneOsuDistanceSnapGrid.cs +++ b/osu.Game.Rulesets.Osu.Tests/Editor/TestSceneOsuDistanceSnapGrid.cs @@ -185,7 +185,18 @@ namespace osu.Game.Rulesets.Osu.Tests.Editor AddAssert("Ensure cursor is on a grid line", () => { - return grid.ChildrenOfType().Any(p => Precision.AlmostEquals(p.ScreenSpaceDrawQuad.TopRight.X, grid.ToScreenSpace(cursor.LastSnappedPosition).X)); + return grid.ChildrenOfType().Any(ring => + { + // the grid rings are actually slightly _larger_ than the snapping radii. + // this is done such that the snapping radius falls right in the middle of each grid ring thickness-wise, + // but it does however complicate the following calculations slightly. + + // we want to calculate the coordinates of the rightmost point on the grid line, which is in the exact middle of the ring thickness-wise. + // for the X component, we take the entire width of the ring, minus one half of the inner radius (since we want the middle of the line on the right side). + // for the Y component, we just take 0.5f. + var rightMiddleOfGridLine = ring.ToScreenSpace(ring.DrawSize * new Vector2(1 - ring.InnerRadius / 2, 0.5f)); + return Precision.AlmostEquals(rightMiddleOfGridLine.X, grid.ToScreenSpace(cursor.LastSnappedPosition).X); + }); }); }