static SampleFunctions()
{
functions = new UtilFuncs.Sampler[6];
simplex = new SE.OpenSimplexNoise(7);
// Flat ground
functions[0] = (float x, float y, float z) => {
Debug.LogFormat("Sampling at {0} {1} {2}", x, y, z);
return(0.5f - y);
};
// Sphere
functions[1] = (float x, float y, float z) => {
Vector3 p = new Vector3(x - 0.5f, y - 0.5f, z - 0.5f);
return(Sphere(p.x, p.y, p.z, 0.25f));
};
// Simplex
functions[2] = (float x, float y, float z) => {
float r = 1132f;
return((float)simplex.Evaluate(x * r, y * r, z * r));
};
// Rotated Cuboid
functions[3] = (float x, float y, float z) => {
Vector3 p = new Vector3((x - 1.5f) * 2f, (y - 1.5f) * 2f, (z - 1.5f) * 2f);
return(RotatedCuboid(p, 0.6f));
};
// Simplex Terrain
functions[4] = (float x, float y, float z) => {
float result = y - 1.5f;
float r = 3f;
float r2 = r * 8;
result += 0.5f * (float)simplex.Evaluate(x * r, y * r, z * r);
result += 0.15f * (float)simplex.Evaluate(x * r2, y * r2, z * r2);
return(result);
};
}
private static float sample(SE.OpenSimplexNoise noise, float x, float y, float z)
{
float r = 0.2f;
float f = 0.03f;
float ms = 0.009f;
float result = 2.0f - y;
result += (float)noise.Evaluate(x * r, y * r, z * r) * 1.6f;
result += (float)noise.Evaluate(x * f, y * f, z * f) * 20f;
result += (float)noise.Evaluate(x * f, y * f, z * ms) * 50f;
return(result);
}
public static float Noise3DSample(float x, float y, float z)
{
float r = 0.05f;
float ground = -1.5f + y;
float noise = (float)s.Evaluate((double)x * r, (double)y * r, (double)z * r) * 15;
float result = 0f;
result += Mathf.Min(ground, noise);
//result += ground;
return(result);
}
public static float DebugNoise(Vector3 position)
{
float r = 1.8f;
return((float)noise.Evaluate(position.x * r, position.y * r, position.z * r));
}