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osu-lazer/osu.Game/Graphics/UserInterface/Volume/VolumeMeter.cs
2017-03-07 13:05:57 +09:00

88 lines
2.8 KiB
C#

// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using osu.Framework.Configuration;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.Transforms;
using osu.Framework.Input;
using osu.Game.Graphics.Sprites;
using OpenTK;
using OpenTK.Graphics;
namespace osu.Game.Graphics.UserInterface.Volume
{
internal class VolumeMeter : Container
{
private Box meterFill;
public BindableDouble Bindable { get; } = new BindableDouble();
public VolumeMeter(string meterName)
{
Size = new Vector2(40, 180);
Children = new Drawable[]
{
new Box
{
Colour = Color4.Black,
RelativeSizeAxes = Axes.Both
},
new Container
{
RelativeSizeAxes = Axes.Both,
Size = new Vector2(0.5f, 0.9f),
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Children = new Drawable[]
{
new Box
{
Colour = Color4.DarkGray,
RelativeSizeAxes = Axes.Both
},
meterFill = new Box
{
Colour = Color4.White,
Scale = new Vector2(1, 0),
RelativeSizeAxes = Axes.Both,
Origin = Anchor.BottomCentre,
Anchor = Anchor.BottomCentre
}
}
},
new OsuSpriteText
{
Text = meterName,
Anchor = Anchor.BottomCentre,
Origin = Anchor.TopCentre
}
};
Bindable.ValueChanged += delegate { updateFill(); };
}
protected override void LoadComplete()
{
base.LoadComplete();
updateFill();
}
public double Volume
{
get { return Bindable.Value; }
private set
{
Bindable.Value = value;
}
}
protected override bool OnWheel(InputState state)
{
Volume += 0.05f * state.Mouse.WheelDelta;
return true;
}
private void updateFill() => meterFill.ScaleTo(new Vector2(1, (float)Volume), 300, EasingTypes.OutQuint);
}
}