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osu-lazer/osu.Game.Rulesets.Catch/Skinning/Default/DefaultHitExplosion.cs

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// 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.Allocation;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Effects;
using osu.Framework.Utils;
using osu.Game.Rulesets.Catch.UI;
using osu.Game.Utils;
using osuTK;
using osuTK.Graphics;
namespace osu.Game.Rulesets.Catch.Skinning.Default
{
public partial class DefaultHitExplosion : CompositeDrawable, IHitExplosion
{
private CircularContainer largeFaint = null!;
private CircularContainer smallFaint = null!;
private CircularContainer directionalGlow1 = null!;
private CircularContainer directionalGlow2 = null!;
[BackgroundDependencyLoader]
private void load()
{
Size = new Vector2(20);
Anchor = Anchor.BottomCentre;
Origin = Anchor.BottomCentre;
// scale roughly in-line with visual appearance of notes
const float initial_height = 10;
InternalChildren = new Drawable[]
{
largeFaint = new CircularContainer
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Masking = true,
Blending = BlendingParameters.Additive,
},
smallFaint = new CircularContainer
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Masking = true,
Blending = BlendingParameters.Additive,
},
directionalGlow1 = new CircularContainer
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Masking = true,
Size = new Vector2(0.01f, initial_height),
Blending = BlendingParameters.Additive,
},
directionalGlow2 = new CircularContainer
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Masking = true,
Size = new Vector2(0.01f, initial_height),
Blending = BlendingParameters.Additive,
}
};
}
public void Animate(HitExplosionEntry entry)
{
X = entry.Position;
Scale = new Vector2(entry.HitObject.Scale);
setColour(entry.ObjectColour);
using (BeginAbsoluteSequence(entry.LifetimeStart))
applyTransforms(entry.HitObject.RandomSeed);
}
private void applyTransforms(int randomSeed)
{
const double duration = 400;
// we want our size to be very small so the glow dominates it.
largeFaint.Size = new Vector2(0.8f);
largeFaint
.ResizeTo(largeFaint.Size * new Vector2(5, 1), duration, Easing.OutQuint)
.FadeOut(duration * 2);
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const float angle_variance = 15; // should be less than 45
directionalGlow1.Rotation = StatelessRNG.NextSingle(-angle_variance, angle_variance, randomSeed, 4);
directionalGlow2.Rotation = StatelessRNG.NextSingle(-angle_variance, angle_variance, randomSeed, 5);
this.FadeInFromZero(50).Then().FadeOut(duration, Easing.Out);
}
private void setColour(Color4 objectColour)
{
const float roundness = 100;
largeFaint.EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Glow,
Colour = Interpolation.ValueAt(0.1f, objectColour, Color4.White, 0, 1).Opacity(0.3f),
Roundness = 160,
Radius = 200,
};
smallFaint.EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Glow,
Colour = Interpolation.ValueAt(0.6f, objectColour, Color4.White, 0, 1),
Roundness = 20,
Radius = 50,
};
directionalGlow1.EdgeEffect = directionalGlow2.EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Glow,
Colour = Interpolation.ValueAt(0.4f, objectColour, Color4.White, 0, 1),
Roundness = roundness,
Radius = 40,
};
}
}
}