osu-lazer/osu.Game.Rulesets.Osu/Objects/Drawables/Pieces/GlowPiece.cs

// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.Textures;
using osu.Game.Skinning;

namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
{
    public class GlowPiece : Container
    {
        public GlowPiece()
        {
            Anchor = Anchor.Centre;
            Origin = Anchor.Centre;
            RelativeSizeAxes = Axes.Both;
        }

        [BackgroundDependencyLoader]
        private void load(TextureStore textures)
        {
            Child = new SkinnableDrawable("Play/osu/ring-glow", name => new Sprite
            {
                Anchor = Anchor.Centre,
                Origin = Anchor.Centre,
                Texture = textures.Get(name),
                Blending = BlendingMode.Additive,
                Alpha = 0.5f
            }, s => s.GetTexture("Play/osu/hitcircle") == null);
        }
    }
}