void Generate()
{
this._noiseTexture = new Texture2D(256, 256, TextureFormat.RGBA32, false);
var scale = 1.0f / 256;
var noisePerlin = new NoiseTools.PerlinNoise(_frequency, _repeat);
var noiseWorley = new NoiseTools.WorleyNoise(_frequency, _repeat);
for (int i = 0; i < 256; ++i)
{
var x = i * scale;
for (int j = 0; j < 256; ++j)
{
var y = j * scale;
for (int k = 0; k < 1; ++k)
{
var z = k * scale;
var c = noisePerlin.GetFractal(x, y, z, _fractal);
c = _usePerlin?noisePerlin.GetAt(x, y):noiseWorley.GetAt(x, y, z);
//c = 1 - c;
//c = Mathf.Abs(c * 2 - 1);
this._noiseTexture.SetPixel(i, j, new Color(c, c, c, 1));
}
}
}
this._noiseTexture.Apply();
}
void FillTextureData(Texture3D texture)
{
Assert.IsNotNull(texture);
Assert.IsTrue(texture.width == texture.height);
//Assert.IsTrue(texture.width == texture.depth);
Assert.IsTrue(texture.width == kSizeOfVolume);
var perlinNoise = new NoiseTools.PerlinNoise(4, 1, 0);
var worleyNoise = new NoiseTools.WorleyNoise(7, 1, 0);
var worleyNoiseF1 = new NoiseTools.WorleyNoise(10, 1, 0);
var worleyNoiseF2 = new NoiseTools.WorleyNoise(15, 1, 0);
var worleyNoiseF3 = new NoiseTools.WorleyNoise(20, 1, 0);
this._data = new Particle[kNumberOfBuffer];
var data = new Color[kNumberOfBuffer];
var index = 0;
var scale = 1.0f / kSizeOfVolume;
var min = float.MaxValue;
var max = float.MinValue;
for (uint i = 0; i < kSizeOfVolume; ++i)
{
var x = i * scale;
for (uint j = 0; j < kSizeOfVolume; ++j)
{
var y = j * scale;
for (uint k = 0; k < kdepth; ++k)
{
var z = k * scale;
var perlin = perlinNoise.GetFractal(x, y, z, 4);
var worley = worleyNoise.GetFractal(x, y, z, 2);
var worleyf1 = worleyNoiseF1.GetFractal(x, y, z, 2);
var worleyf2 = worleyNoiseF2.GetFractal(x, y, z, 2);
var worleyf3 = worleyNoiseF3.GetFractal(x, y, z, 2);
var perlin_worley = this.Remap(perlin, -InvertWorley(worley), 1, 0, 1);
data[index] = new Color(perlin_worley, InvertWorley(worleyf1), InvertWorley(worleyf2), InvertWorley(worleyf3));
this._data[index].position = new Vector3(i, j, k);
this._data[index].color = new Vector4(perlin_worley, worleyf1, worleyf2, worleyf3);
index++;
//Debug.LogFormat("{0}", c);
//max = c > max ? c : max;
//min = c < min ? c : min;
}
}
}
Debug.LogFormat("{0}, {1}", min, max);
this._noiseTexture.SetPixels(data);
this._noiseTexture.Apply();
}