some fixing and restyling.

osu.Desktop.VisualTests/Tests/TestCaseSongProgress.cs

@@ -21,8 +21,8 @@ namespace osu.Desktop.VisualTests.Tests
 
             Add(progress = new SongProgress
             {
-                Anchor = Anchor.BottomCentre,
+                Anchor = Anchor.BottomLeft,
-                Origin = Anchor.BottomCentre,
+                Origin = Anchor.BottomLeft,
                 RelativeSizeAxes = Axes.X
             });
 

osu.Game/Screens/Play/SongProgress.cs

@@ -15,7 +15,6 @@ namespace osu.Game.Screens.Play
     public class SongProgress : OverlayContainer
     {
         public static readonly int BAR_HEIGHT = 5;
-        public static readonly int GRAPH_HEIGHT = 34;
         public static readonly Color4 FILL_COLOUR = new Color4(221, 255, 255, 255);
         public static readonly Color4 GLOW_COLOUR = new Color4(221, 255, 255, 150);
         private const float progress_transition_duration = 100;
@@ -68,7 +67,7 @@ namespace osu.Game.Screens.Play
         public SongProgress()
         {
             RelativeSizeAxes = Axes.X;
-            Height = BAR_HEIGHT + GRAPH_HEIGHT + SongProgressBar.HANDLE_SIZE.Y;
+            Height = BAR_HEIGHT + SongProgressGraphColumn.HEIGHT + SongProgressBar.HANDLE_SIZE.Y;
 
             Children = new Drawable[]
             {
@@ -77,7 +76,7 @@ namespace osu.Game.Screens.Play
                     RelativeSizeAxes = Axes.X,
                     Origin = Anchor.BottomCentre,
                     Anchor = Anchor.BottomCentre,
-                    Height = GRAPH_HEIGHT,
+                    Height = SongProgressGraphColumn.HEIGHT,
                     Margin = new MarginPadding
                     {
                         Bottom = BAR_HEIGHT

osu.Game/Screens/Play/SongProgressBar.cs

@@ -31,7 +31,7 @@ namespace osu.Game.Screens.Play
                 Origin = Anchor.BottomRight,
                 Anchor = Anchor.BottomRight,
                 Width = 2,
-                Height = SongProgress.BAR_HEIGHT + SongProgress.GRAPH_HEIGHT,
+                Height = SongProgress.BAR_HEIGHT + SongProgressGraphColumn.HEIGHT,
                 Colour = Color4.White,
                 Position = new Vector2(2, 0),
                 Children = new Drawable[]

osu.Game/Screens/Play/SongProgressGraph.cs

@@ -93,14 +93,14 @@ namespace osu.Game.Screens.Play
 
         private void recreateGraph()
         {
-            RemoveAll(delegate { return true; });
+            Clear();
-            columns.RemoveAll(delegate { return true; });
+            columns.Clear();
 
-            for (int x = 0; x < DrawWidth; x += 3)
+            for (float x = 0; x < DrawWidth; x += SongProgressGraphColumn.WIDTH)
             {
                 columns.Add(new SongProgressGraphColumn
                 {
-                    Position = new Vector2(x + 1, 0),
+                    Position = new Vector2(x, 0),
                     State = ColumnState.Dimmed,
                 });
 

osu.Game/Screens/Play/SongProgressGraphColumn.cs

@@ -12,12 +12,19 @@ namespace osu.Game.Screens.Play
 {
     public class SongProgressGraphColumn : Container
     {
-        private readonly int rows = 11;
+        private const float cube_count = 6;
+        private const float cube_size = 4;
+        private const float padding = 2;
+
+        public const float WIDTH = cube_size + padding;
+
+        public const float HEIGHT = cube_count * WIDTH;
+
         private readonly Color4 emptyColour = Color4.White.Opacity(100);
         private readonly Color4 litColour = SongProgress.FILL_COLOUR;
         private readonly Color4 dimmedColour = Color4.White.Opacity(175);
 
-        private List<Box> drawableRows = new List<Box>();
+        private readonly List<Box> drawableRows = new List<Box>();
 
         private int filled;
         public int Filled
@@ -51,6 +58,26 @@ namespace osu.Game.Screens.Play
             }
         }
 
+        public SongProgressGraphColumn()
+        {
+            Size = new Vector2(WIDTH, HEIGHT);
+
+            for (int r = 0; r < cube_count; r++)
+            {
+                drawableRows.Add(new Box
+                {
+                    EdgeSmoothness = new Vector2(padding / 4),
+                    Size = new Vector2(cube_size),
+                    Position = new Vector2(0, r * WIDTH + padding)
+                });
+
+                Add(drawableRows[drawableRows.Count - 1]);
+            }
+
+            // Reverse drawableRows so when iterating through them they start at the bottom
+            drawableRows.Reverse();
+        }
+
         private void fillActive()
         {
             Color4 colour = State == ColumnState.Lit ? litColour : dimmedColour;
@@ -67,25 +94,6 @@ namespace osu.Game.Screens.Play
                 }
             }
         }
-
-        public SongProgressGraphColumn()
-        {
-            Size = new Vector2(4, rows * 3);
-
-            for (int row = 0; row < rows * 3; row += 3)
-            {
-                drawableRows.Add(new Box
-                {
-                    Size = new Vector2(2),
-                    Position = new Vector2(0, row + 1)
-                });
-
-                Add(drawableRows[drawableRows.Count - 1]);
-            }
-
-            // Reverse drawableRows so when iterating through them they start at the bottom
-            drawableRows.Reverse();
-        }
     }
 
     public enum ColumnState