public BlueNoiseGenerator(float range)
{
int intRange = (int)range;
allSamplesCount = intRange * intRange;
allSamples = Enumerable.Range(0, allSamplesCount)
.Select(x => new Vector2(x / intRange, x % intRange)).ToList();
Range = range;
WhiteNoiseGenerator = new WhiteNoiseGenerator(range);
var first = WhiteNoiseGenerator.Next();
samples.Add(first);
quadTree = new QuadTree(first);
}
private void UpdateTexture()
{
if (texture == null)
{
CreateTexture();
}
// Clear
var pixels = texture.GetPixels32();
for (var i = 0; i < pixels.Length; i++)
{
pixels[i] = Color.black;
}
texture.SetPixels32(pixels);
// Sample
material.mainTexture = texture;
INoiseGenerator noiseGenerator;
switch (generatorType)
{
case GeneratorType.WhiteNoise:
noiseGenerator = new WhiteNoiseGenerator(TextureSize);
break;
case GeneratorType.HaltonNoise:
noiseGenerator = new HaltonNoiseGenerator(TextureSize);
break;
case GeneratorType.BlueNoise:
noiseGenerator = new BlueNoiseGenerator(TextureSize);
break;
default:
throw new ArgumentOutOfRangeException();
}
for (var i = 0; i < sampleCount; i++)
{
var point = noiseGenerator.Next();
texture.SetPixel((int)point.x, (int)point.y, Color.white);
}
texture.Apply();
}
public static float[] CreateTable(int size, WaveformEnum type)
{
Generator generator;
if (type == WaveformEnum.Sine)
{
generator = new SineGenerator(new GeneratorDescriptor());
}
else if (type == WaveformEnum.Square)
{
generator = new SquareGenerator(new GeneratorDescriptor());
}
else if (type == WaveformEnum.Triangle)
{
generator = new TriangleGenerator(new GeneratorDescriptor());
}
else if (type == WaveformEnum.Saw)
{
generator = new SawGenerator(new GeneratorDescriptor());
}
else if (type == WaveformEnum.WhiteNoise)
{
generator = new WhiteNoiseGenerator(new GeneratorDescriptor());
}
else
{
return(null);
}
float[] table = new float[size];
double phase, increment;
phase = generator.StartPhase;
increment = generator.Period / size;
for (int x = 0; x < table.Length; x++)
{
table[x] = generator.GetValue(phase);
phase += increment;
}
return(table);
}
