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osu-lazer/osu.Game/Screens/Select/Carousel/SetPanelBackground.cs
2022-06-17 16:37:17 +09:00

75 lines
2.8 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.
#nullable disable
using osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Game.Beatmaps;
using osu.Game.Beatmaps.Drawables;
using osuTK;
using osuTK.Graphics;
namespace osu.Game.Screens.Select.Carousel
{
public class SetPanelBackground : BufferedContainer
{
public SetPanelBackground(IWorkingBeatmap working)
: base(cachedFrameBuffer: true)
{
RedrawOnScale = false;
Children = new Drawable[]
{
new BeatmapBackgroundSprite(working)
{
RelativeSizeAxes = Axes.Both,
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
FillMode = FillMode.Fill,
},
new FillFlowContainer
{
Depth = -1,
RelativeSizeAxes = Axes.Both,
Direction = FillDirection.Horizontal,
// This makes the gradient not be perfectly horizontal, but diagonal at a ~40° angle
Shear = new Vector2(0.8f, 0),
Alpha = 0.5f,
Children = new[]
{
// The left half with no gradient applied
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = Color4.Black,
Width = 0.4f,
},
// Piecewise-linear gradient with 3 segments to make it appear smoother
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = ColourInfo.GradientHorizontal(Color4.Black, new Color4(0f, 0f, 0f, 0.9f)),
Width = 0.05f,
},
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = ColourInfo.GradientHorizontal(new Color4(0f, 0f, 0f, 0.9f), new Color4(0f, 0f, 0f, 0.1f)),
Width = 0.2f,
},
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = ColourInfo.GradientHorizontal(new Color4(0f, 0f, 0f, 0.1f), new Color4(0, 0, 0, 0)),
Width = 0.05f,
},
}
},
};
}
}
}