diff --git a/osu.Game/Graphics/Backgrounds/Background.cs b/osu.Game/Graphics/Backgrounds/Background.cs index db055d15e5..8fdb8ebcdd 100644 --- a/osu.Game/Graphics/Backgrounds/Background.cs +++ b/osu.Game/Graphics/Backgrounds/Background.cs @@ -6,23 +6,28 @@ using osu.Framework.Graphics; using osu.Framework.Graphics.Containers; using osu.Framework.Graphics.Sprites; using osu.Framework.Graphics.Textures; +using osu.Framework.Graphics.Transforms; +using osuTK; namespace osu.Game.Graphics.Backgrounds { - public class Background : BufferedContainer + /// + /// A background which offer blurring on demand. + /// + public class Background : CompositeDrawable { public Sprite Sprite; private readonly string textureName; + private BufferedContainer bufferedContainer; + public Background(string textureName = @"") { - CacheDrawnFrameBuffer = true; - this.textureName = textureName; RelativeSizeAxes = Axes.Both; - Add(Sprite = new Sprite + AddInternal(Sprite = new Sprite { RelativeSizeAxes = Axes.Both, Anchor = Anchor.Centre, @@ -37,5 +42,28 @@ namespace osu.Game.Graphics.Backgrounds if (!string.IsNullOrEmpty(textureName)) Sprite.Texture = textures.Get(textureName); } + + public Vector2 BlurSigma => bufferedContainer?.BlurSigma ?? Vector2.Zero; + + /// + /// Smoothly adjusts over time. + /// + /// A to which further transforms can be added. + public void BlurTo(Vector2 newBlurSigma, double duration = 0, Easing easing = Easing.None) + { + if (bufferedContainer == null) + { + RemoveInternal(Sprite); + + AddInternal(bufferedContainer = new BufferedContainer + { + CacheDrawnFrameBuffer = true, + RelativeSizeAxes = Axes.Both, + Child = Sprite + }); + } + + bufferedContainer.BlurTo(newBlurSigma, duration, easing); + } } }