osu/osu.Game/Screens/Select/BeatmapInfoWedgeBackground.cs

66 lines
2.5 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using osuTK.Graphics;
using osu.Framework.Allocation;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
using osu.Framework.Graphics.Containers;
using osu.Game.Beatmaps;
using osu.Game.Beatmaps.Drawables;
using osu.Framework.Graphics.Shapes;
namespace osu.Game.Screens.Select
{
internal class BeatmapInfoWedgeBackground : CompositeDrawable
{
private readonly IWorkingBeatmap beatmap;
public BeatmapInfoWedgeBackground(IWorkingBeatmap beatmap)
{
this.beatmap = beatmap;
}
[BackgroundDependencyLoader]
private void load()
{
RelativeSizeAxes = Axes.Both;
InternalChild = new BufferedContainer(cachedFrameBuffer: true)
{
RelativeSizeAxes = Axes.Both,
Children = new Drawable[]
{
// We will create the white-to-black gradient by modulating transparency and having
// a black backdrop. This results in an sRGB-space gradient and not linear space,
// transitioning from white to black more perceptually uniformly.
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = Color4.Black,
},
// We use a container, such that we can set the colour gradient to go across the
// vertices of the masked container instead of the vertices of the (larger) sprite.
new Container
{
RelativeSizeAxes = Axes.Both,
Colour = ColourInfo.GradientVertical(Color4.White, Color4.White.Opacity(0.3f)),
Children = new[]
{
// Zoomed-in and cropped beatmap background
new BeatmapBackgroundSprite(beatmap)
{
RelativeSizeAxes = Axes.Both,
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
FillMode = FillMode.Fill,
},
},
},
}
};
}
}
}