public static Func <Vector3, float> createDensityFunction5Perlin(int seed, int height)
{
Array3D <float> noise = generateNoise(seed);
/*noise = new Array3D<float>(new Point3(2, 2, 2));
* noise[new Point3(1, 1, 1)] = 3;
* noise[new Point3(0, 0, 0)] = -3;*/
var seeder = new Seeder(0);
var sampler = new Array3DSampler <float>();
Func <Vector3, float> densityFunction = v =>
{
var density = (float)height - v.Y;
v *= 1 / 8f;
//v *= (1/8f);
density += sampler.sampleTrilinear(noise, v * 4.03f) * 0.25f;
density += sampler.sampleTrilinear(noise, v * 1.96f) * 0.5f;
density += sampler.sampleTrilinear(noise, v * 1.01f) * 1;
density += sampler.sampleTrilinear(noise, v * 0.55f) * 10;
density += sampler.sampleTrilinear(noise, v * 0.21f) * 30;
//density += noise.GetTiled(v.ToFloored());
return(density);
};
return(densityFunction);
}
public float densityFunction(Vector3 v)
{
v *= globalScaling;
/*noise = new Array3D<float>(new Point3(2, 2, 2));
noise[new Point3(1, 1, 1)] = 3;
noise[new Point3(0, 0, 0)] = -3;*/
var sampler = new Array3DSampler<float>();
var density = (float)(rootNode.size / 2 * globalScaling) - v.Y;
v *= 1 / 8f;
//v *= (1/8f);
//density += sampler.sampleTrilinear(noise, v * 4.03f) * 0.25f;
density += sampler.sampleTrilinear(noise, v * 1.96f) * 0.5f;
//density += sampler.sampleTrilinear(noise, v * 1.01f) * 1;
density += sampler.sampleTrilinear(noise, v * 0.55f) * 10;
density += sampler.sampleTrilinear(noise, v * 0.21f) * 30;
density += sampler.sampleTrilinear(noise, v * 0.05f) * 100;
density += sampler.sampleTrilinear(noise, v * 0.01f) * 400;
//density += noise.GetTiled(v.ToFloored());
return density;
}