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Use StatelessRNG for smoke rotation

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This commit is contained in:
Alden Wu 2022-10-13 16:18:47 -07:00
parent 310588ad94
commit 029f896db8
1 changed files with 11 additions and 4 deletions
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15
osu.Game.Rulesets.Osu/Skinning/SmokeSegment.cs
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@ -14,6 +14,7 @@ using osu.Framework.Graphics.Rendering.Vertices;
using osu.Framework.Graphics.Shaders;
using osu.Framework.Graphics.Textures;
using osu.Framework.Utils;
using osu.Game.Utils;
using osuTK;
using osuTK.Graphics;
@ -185,6 +186,8 @@ namespace osu.Game.Rulesets.Osu.Skinning
private float radius;
private Vector2 drawSize;
private Texture? texture;
private int rotationSeed;
private int rotationIndex;
// anim calculation vars (color, scale, direction)
private double initialFadeOutDurationTrunc;
@ -194,8 +197,6 @@ namespace osu.Game.Rulesets.Osu.Skinning
private double reFadeInTime;
private double finalFadeOutTime;
private Random rotationRNG = new Random();
public SmokeDrawNode(ITexturedShaderDrawable source)
: base(source)
{
@ -216,6 +217,8 @@ namespace osu.Game.Rulesets.Osu.Skinning
SmokeEndTime = Source.smokeEndTime;
CurrentTime = Source.Clock.CurrentTime;
rotationSeed = Source.rotationSeed;
initialFadeOutDurationTrunc = Math.Min(initial_fade_out_duration, SmokeEndTime - SmokeStartTime);
firstVisiblePointTime = SmokeEndTime - initialFadeOutDurationTrunc;
@ -231,7 +234,7 @@ namespace osu.Game.Rulesets.Osu.Skinning
if (points.Count == 0)
return;
rotationRNG = new Random(Source.rotationSeed);
rotationIndex = rotationSeed;
quadBatch ??= renderer.CreateQuadBatch<TexturedVertex2D>(max_point_count / 10, 10);
texture ??= renderer.WhitePixel;
@ -311,7 +314,11 @@ namespace osu.Game.Rulesets.Osu.Skinning
return new Vector2(MathF.Sin(angle), -MathF.Cos(angle));
}
private float nextRotation() => max_rotation * ((float)rotationRNG.NextDouble() * 2 - 1);
private float nextRotation()
{
rotationIndex++;
return max_rotation * (StatelessRNG.NextSingle(rotationIndex) * 2 - 1);
}
private void drawPointQuad(SmokePoint point, RectangleF textureRect)
{