osu/osu.Game/Graphics/Sprites/GlowingDrawable.cs

42 lines
1.3 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 osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Primitives;
using osu.Framework.Utils;
using osuTK;
namespace osu.Game.Graphics.Sprites
{
public abstract partial class GlowingDrawable : BufferedContainer
{
// Inflate draw quad to prevent glow from trimming at the edges.
// Padding won't suffice since it will affect drawable position in cases when it's not centered.
protected override Quad ComputeScreenSpaceDrawQuad()
=> base.ComputeScreenSpaceDrawQuad().AABBFloat.Inflate(new Vector2(Blur.KernelSize(BlurSigma.X), Blur.KernelSize(BlurSigma.Y)));
public ColourInfo GlowColour
{
get => EffectColour;
set
{
EffectColour = value;
BackgroundColour = value.MultiplyAlpha(0f);
}
}
protected GlowingDrawable()
: base(cachedFrameBuffer: true)
{
AutoSizeAxes = Axes.Both;
RedrawOnScale = false;
DrawOriginal = true;
Child = CreateDrawable();
}
protected abstract Drawable CreateDrawable();
}
}