Move spm calculation into counter.

This commit is contained in:
Huo Yaoyuan
2017-10-07 15:42:10 +08:00
parent a876ab9b90
commit 09093013a7
3 changed files with 35 additions and 26 deletions

View File

@ -3,9 +3,6 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Graphics.Sprites;
@ -38,5 +35,39 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables.Pieces
}
};
}
private double spm;
public double SpinsPerMinute
{
get { return spm; }
private set
{
if (value == spm) return;
spm = value;
spmText.Text = Math.Truncate(value).ToString(@"#0");
}
}
private struct RotationRecord
{
public float Rotation;
public double Time;
}
private readonly Queue<RotationRecord> records = new Queue<RotationRecord>();
private const double spm_count_duration = 595; // not using hundreds to avoid frame rounding issues
public void SetRotation(float currentRotation)
{
if (records.Count > 0)
{
var record = records.Peek();
while (Time.Current - records.Peek().Time > spm_count_duration)
record = records.Dequeue();
SpinsPerMinute = (currentRotation - record.Rotation) / (Time.Current - record.Time) * 1000 * 60 / 360;
}
records.Enqueue(new RotationRecord { Rotation = currentRotation, Time = Time.Current });
}
}
}