RepoMirrors
/
osu
mirror of https://github.com/ppy/osu
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Add `ParticleParent` option to `ParticleSpewer`

This commit is contained in:
Opelkuh 2021-09-05 16:08:22 +02:00
parent 5b1b36436f
commit db662f8c5c
3 changed files with 32 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
osu.Game.Rulesets.Osu/Skinning/Legacy/LegacyCursorStarParticles.cs
View File

@ -44,7 +44,7 @@ private void load(ISkinSource skin, OsuColour colour)
Direction = SpewDirection.None,
Active =
{
Value = true,
Value = false,
}
},
kiaiSpewer = new StarParticleSpewer(texture, 60)
@ -64,6 +64,12 @@ private void load(ISkinSource skin, OsuColour colour)
{
breakSpewer.Active.BindTarget = player.IsBreakTime;
}
if (osuPlayfield != null)
{
breakSpewer.ParticleParent = osuPlayfield;
kiaiSpewer.ParticleParent = osuPlayfield;
}
}
protected override void Update()
@ -126,7 +132,7 @@ private class StarParticleSpewer : ParticleSpewer
public SpewDirection Direction { get; set; }
protected override float ParticleGravity => 460;
protected override float ParticleGravity => 240;
public StarParticleSpewer(Texture texture, int perSecond)
: base(texture, perSecond, particle_lifetime_max)
@ -134,7 +140,7 @@ public StarParticleSpewer(Texture texture, int perSecond)
Active.BindValueChanged(_ => resetVelocityCalculation());
}
private Vector2 screenPosition => ToScreenSpace(OriginPosition);
private Vector2 positionInParent => ToSpaceOfOtherDrawable(OriginPosition, ParticleParent);
private Vector2 screenVelocity;
@ -149,11 +155,11 @@ protected override void Update()
if (lastPosition != null)
{
positionDifference += (screenPosition - lastPosition.Value);
positionDifference += (positionInParent - lastPosition.Value);
lastVelocityCalculation += Clock.ElapsedFrameTime;
}
lastPosition = screenPosition;
lastPosition = positionInParent;
if (lastVelocityCalculation > velocity_calculation_delay)
{
@ -175,6 +181,7 @@ protected override FallingParticle SpawnParticle()
{
var p = base.SpawnParticle();
p.StartPosition = positionInParent;
p.Duration = RNG.NextSingle(particle_lifetime_min, particle_lifetime_max);
p.AngularVelocity = RNG.NextSingle(-3f, 3f);
p.StartScale = RNG.NextSingle(0.5f, 1f);
@ -188,27 +195,27 @@ protected override FallingParticle SpawnParticle()
case SpewDirection.Left:
p.Velocity = new Vector2(
RNG.NextSingle(-460f, 0) * 2,
RNG.NextSingle(-40f, 40f) * 2
RNG.NextSingle(-460f, 0),
RNG.NextSingle(-40f, 40f)
);
break;
case SpewDirection.Right:
p.Velocity = new Vector2(
RNG.NextSingle(0, 460f) * 2,
RNG.NextSingle(-40f, 40f) * 2
RNG.NextSingle(0, 460f),
RNG.NextSingle(-40f, 40f)
);
break;
case SpewDirection.Both:
p.Velocity = new Vector2(
RNG.NextSingle(-460f, 460f) * 2,
RNG.NextSingle(-160f, 160f) * 2
RNG.NextSingle(-460f, 460f),
RNG.NextSingle(-160f, 160f)
);
break;
}
p.Velocity += screenVelocity * 50;
p.Velocity += screenVelocity * 40;
return p;
}

1
osu.Game/Graphics/Particles/ParticleJet.cs
View File

@ -36,6 +36,7 @@ protected override FallingParticle SpawnParticle()
);
var direction = new Vector2(MathF.Sin(directionRads), MathF.Cos(directionRads));
p.StartPosition = OriginPosition;
p.Duration = RNG.NextSingle((float)particle_lifetime * 0.8f, (float)particle_lifetime);
p.Velocity = direction * new Vector2(RNG.NextSingle(velocity_min, velocity_max));
p.AngularVelocity = RNG.NextSingle(-angular_velocity, angular_velocity);

17
osu.Game/Graphics/Particles/ParticleSpewer.cs
View File

@ -26,6 +26,12 @@ public abstract class ParticleSpewer : Sprite
/// </summary>
public readonly BindableBool Active = new BindableBool();
/// <summary>
/// <see cref="Drawable"/> whose DrawInfo will be used to draw each particle.
/// Defaults to the <see cref="ParticleSpewer"/> itself.
/// </summary>
public IDrawable ParticleParent;
public bool HasActiveParticles => Active.Value || (lastParticleAdded + maxLifetime) > Time.Current;
public override bool IsPresent => base.IsPresent && HasActiveParticles;
@ -35,6 +41,7 @@ protected ParticleSpewer(Texture texture, int perSecond, double maxLifetime)
{
Texture = texture;
Blending = BlendingParameters.Additive;
ParticleParent = this;
particles = new FallingParticle[perSecond * (int)Math.Ceiling(maxLifetime / 1000)];
@ -66,7 +73,6 @@ protected virtual FallingParticle SpawnParticle()
return new FallingParticle
{
StartTime = (float)Time.Current,
StartPosition = ToScreenSpace(OriginPosition),
};
}
@ -90,6 +96,7 @@ private class ParticleSpewerDrawNode : SpriteDrawNode
private float currentTime;
private float gravity;
private Matrix3 particleDrawMatrix;
public ParticleSpewerDrawNode(Sprite source)
: base(source)
@ -105,6 +112,7 @@ public override void ApplyState()
currentTime = (float)Source.Time.Current;
gravity = Source.ParticleGravity;
particleDrawMatrix = Source.ParticleParent.DrawInfo.Matrix;
}
protected override void Blit(Action<TexturedVertex2D> vertexAction)
@ -127,9 +135,8 @@ protected override void Blit(Action<TexturedVertex2D> vertexAction)
var pos = p.PositionAtTime(timeSinceStart, gravity);
var angle = p.AngleAtTime(timeSinceStart);
var matrixScale = DrawInfo.Matrix.ExtractScale();
var width = Texture.DisplayWidth * scale * matrixScale.X;
var height = Texture.DisplayHeight * scale * matrixScale.Y;
var width = Texture.DisplayWidth * scale;
var height = Texture.DisplayHeight * scale;
var rect = new RectangleF(
pos.X - width / 2,
@ -158,7 +165,7 @@ private Vector2 rotatePosition(Vector2 pos, Vector2 centre, float angle)
float x = centre.X + (pos.X - centre.X) * cos + (pos.Y - centre.Y) * sin;
float y = centre.Y + (pos.Y - centre.Y) * cos - (pos.X - centre.X) * sin;
return new Vector2(x, y);
return Vector2Extensions.Transform(new Vector2(x, y), particleDrawMatrix);
}
}