osu/osu.Game.Rulesets.Mania/UI/HitExplosion.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.
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using osu.Framework.Extensions.Color4Extensions;
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using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Effects;
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using osu.Framework.Utils;
using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
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using osuTK;
using osuTK.Graphics;
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namespace osu.Game.Rulesets.Mania.UI
{
internal class HitExplosion : CompositeDrawable
{
public override bool RemoveWhenNotAlive => true;
private readonly CircularContainer largeFaint;
private readonly CircularContainer mainGlow1;
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public HitExplosion(Color4 objectColour, bool isSmall = false)
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{
RelativeSizeAxes = Axes.X;
Height = NotePiece.NOTE_HEIGHT;
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// scale roughly in-line with visual appearance of notes
Scale = new Vector2(1f, 0.6f);
if (isSmall)
Scale *= 0.5f;
const float angle_variangle = 15; // should be less than 45
const float roundness = 80;
const float initial_height = 10;
var colour = Interpolation.ValueAt(0.4f, objectColour, Color4.White, 0, 1);
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InternalChildren = new Drawable[]
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{
largeFaint = new CircularContainer
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{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Masking = true,
// we want our size to be very small so the glow dominates it.
Size = new Vector2(0.8f),
Blending = BlendingParameters.Additive,
EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Glow,
Colour = Interpolation.ValueAt(0.1f, objectColour, Color4.White, 0, 1).Opacity(0.3f),
Roundness = 160,
Radius = 200,
},
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},
mainGlow1 = new CircularContainer
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{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
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RelativeSizeAxes = Axes.Both,
Masking = true,
Blending = BlendingParameters.Additive,
EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Glow,
Colour = Interpolation.ValueAt(0.6f, objectColour, Color4.White, 0, 1),
Roundness = 20,
Radius = 50,
},
},
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new CircularContainer
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Masking = true,
Size = new Vector2(0.01f, initial_height),
Blending = BlendingParameters.Additive,
Rotation = RNG.NextSingle(-angle_variangle, angle_variangle),
EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Glow,
Colour = colour,
Roundness = roundness,
Radius = 40,
},
},
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new CircularContainer
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Masking = true,
Size = new Vector2(0.01f, initial_height),
Blending = BlendingParameters.Additive,
Rotation = RNG.NextSingle(-angle_variangle, angle_variangle),
EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Glow,
Colour = colour,
Roundness = roundness,
Radius = 40,
},
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}
};
}
protected override void LoadComplete()
{
const double duration = 200;
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base.LoadComplete();
largeFaint
.ResizeTo(largeFaint.Size * new Vector2(5, 1), duration, Easing.OutQuint)
.FadeOut(duration * 2);
mainGlow1.ScaleTo(1.4f, duration, Easing.OutQuint);
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this.FadeOut(duration, Easing.Out);
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Expire(true);
}
}
}