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Code Issues Releases Wiki Activity

Visualiser

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This commit is contained in:
Dean Herbert 2017-06-19 18:41:35 +09:00
parent a1b9499480
commit 17cb043cb2
1 changed files with 13 additions and 13 deletions
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26
osu.Game/Screens/Menu/LogoVisualisation.cs
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@ -36,7 +36,7 @@ namespace osu.Game.Screens.Menu
/// <summary>
/// The number of bars in one rotation of the visualiser.
/// </summary>
private const int bars_per_visualizer = 200;
private const int bars_per_visualiser = 200;
/// <summary>
/// How many times we should stretch around the circumference (overlapping overselves).
@ -85,9 +85,9 @@ namespace osu.Game.Screens.Menu
var effect = beatmap.Value?.Beatmap.ControlPointInfo.EffectPointAt(beatmap.Value.Track?.CurrentTime ?? Time.Current);
for (int i = 0; i < bars_per_visualizer; i++)
for (int i = 0; i < bars_per_visualiser; i++)
{
int index = (i + indexOffset) % bars_per_visualizer;
int index = (i + indexOffset) % bars_per_visualiser;
if (beatmap?.Value?.Track?.IsRunning ?? false)
{
if (temporalAmplitudes[index] > frequencyAmplitudes[i])
@ -95,12 +95,12 @@ namespace osu.Game.Screens.Menu
}
else
{
if (frequencyAmplitudes[(i + index_change) % bars_per_visualizer] > frequencyAmplitudes[i])
frequencyAmplitudes[i] = frequencyAmplitudes[(i + index_change) % bars_per_visualizer];
if (frequencyAmplitudes[(i + index_change) % bars_per_visualiser] > frequencyAmplitudes[i])
frequencyAmplitudes[i] = frequencyAmplitudes[(i + index_change) % bars_per_visualiser];
}
}
indexOffset = (indexOffset + index_change) % bars_per_visualizer;
indexOffset = (indexOffset + index_change) % bars_per_visualiser;
Scheduler.AddDelayed(updateAmplitudes, time_between_updates);
}
@ -115,7 +115,7 @@ namespace osu.Game.Screens.Menu
base.Update();
float decayFactor = (float)Time.Elapsed * decay_per_milisecond;
for (int i = 0; i < bars_per_visualizer; i++)
for (int i = 0; i < bars_per_visualiser; i++)
{
//0.03% of extra bar length to make it a little faster when bar is almost at it's minimum
frequencyAmplitudes[i] -= decayFactor * (frequencyAmplitudes[i] + 0.03f);
@ -128,7 +128,7 @@ namespace osu.Game.Screens.Menu
protected override DrawNode CreateDrawNode() => new VisualisationDrawNode();
private readonly VisualizerSharedData sharedData = new VisualizerSharedData();
private readonly VisualiserSharedData sharedData = new VisualiserSharedData();
protected override void ApplyDrawNode(DrawNode node)
{
base.ApplyDrawNode(node);
@ -143,7 +143,7 @@ namespace osu.Game.Screens.Menu
visNode.AudioData = frequencyAmplitudes;
}
private class VisualizerSharedData
private class VisualiserSharedData
{
public readonly LinearBatch<TexturedVertex2D> VertexBatch = new LinearBatch<TexturedVertex2D>(100 * 4, 10, PrimitiveType.Quads);
}
@ -152,7 +152,7 @@ namespace osu.Game.Screens.Menu
{
public Shader Shader;
public Texture Texture;
public VisualizerSharedData Shared;
public VisualiserSharedData Shared;
//Asuming the logo is a circle, we don't need a second dimension.
public float Size;
@ -175,15 +175,15 @@ namespace osu.Game.Screens.Menu
{
for (int j = 0; j < visualiser_rounds; j++)
{
for (int i = 0; i < bars_per_visualizer; i++)
for (int i = 0; i < bars_per_visualiser; i++)
{
float rotation = MathHelper.DegreesToRadians(i / (float)bars_per_visualizer * 360 + j * 360 / visualiser_rounds);
float rotation = MathHelper.DegreesToRadians(i / (float)bars_per_visualiser * 360 + j * 360 / visualiser_rounds);
float rotationCos = (float)Math.Cos(rotation);
float rotationSin = (float)Math.Sin(rotation);
//taking the cos and sin to the 0..1 range
var barPosition = new Vector2(rotationCos / 2 + 0.5f, rotationSin / 2 + 0.5f) * Size;
var barSize = new Vector2(Size * (float)Math.Sqrt(2 * (1 - Math.Cos(MathHelper.DegreesToRadians(360f / bars_per_visualizer)))) / 2f, bar_length * AudioData[i % bars_per_visualizer]);
var barSize = new Vector2(Size * (float)Math.Sqrt(2 * (1 - Math.Cos(MathHelper.DegreesToRadians(360f / bars_per_visualiser)))) / 2f, bar_length * AudioData[i % bars_per_visualiser]);
//The distance between the position and the sides of the bar.
var bottomOffset = new Vector2(-rotationSin * barSize.X / 2, rotationCos * barSize.X / 2);
//The distance between the bottom side of the bar and the top side.