public override float[,,] getValues(float[,,] values, Noise3D.noiseSumFunction sumFunc, Point3 samples, Vector3 origin, Vector3 area)
{
values = new float[samples.X, samples.Y,samples.Z];
for (int i = 0; i < noises.Count; i++)
{
noises[i].getValues(values, sumFunctions[i], samples, origin, area);
}
Vector3 position = new Vector3();
Vector3 step = new Vector3(area.X / (samples.X - 1), area.Y / (samples.Y - 1), area.Z / (samples.Z - 1));
for(int i=0;i<values.GetLength(0);i++)
for(int j=0;j<values.GetLength(1);j++)
for (int k = 0; k < values.GetLength(2); k++)
{
position.X = i * step.X + origin.X;
position.Y = j * step.Y + origin.Y;
position.Z = k * step.Z + origin.Z;
values[i, j, k] = filter(values[i, j, k], position);
}
return values;
}
public override float[,,] getValues(float[,,] values, Noise3D.noiseSumFunction sumFunc, Point3 samples, Vector3 origin, Vector3 area)
{
origin *= 1f / period;
area *= 1f / period;
float difX, difY,difZ;
Vector3 difVector = new Vector3();
Vector3 step = new Vector3(area.X / (samples.X - 1), area.Y / (samples.Y - 1), area.Z / (samples.Z - 1));
Vector3 pos = new Vector3();
int cubeX,cubeY,cubeZ;
Vector3 gradientVector;
float lll, llu, lul, luu, ull, ulu, uul, uuu;
float ll, lu, ul, uu;
float l,u;
float value;
for(int i=0;i<samples.X;i++)
for(int j=0;j<samples.Y;j++)
for (int k = 0; k < samples.Z; k++)
{
pos.X = origin.X + i * step.X;
pos.Y = origin.Y + j * step.Y;
pos.Z = origin.Z + k * step.Z;
cubeX = (int)Math.Floor(pos.X);
cubeY = (int)Math.Floor(pos.Y);
cubeZ = (int)Math.Floor(pos.Z);
difX = pos.X - (float)cubeX;
difY = pos.Y - (float)cubeY;
difZ = pos.Z - (float)cubeZ;
pos *= period;
//lll llu luu lul uul uuu ulu ull
//lll
difVector.X = difX;
difVector.Y = difY;
difVector.Z = difZ;
gradientVector = getGradientVector(cubeX, cubeY, cubeZ);
Vector3.Dot(ref gradientVector, ref difVector, out lll);
//llu
difVector.Z = difZ - 1f;
gradientVector = getGradientVector(cubeX, cubeY, cubeZ + 1);
Vector3.Dot(ref gradientVector, ref difVector, out llu);
//luu
difVector.Y = difY - 1f;
gradientVector = getGradientVector(cubeX, cubeY + 1, cubeZ + 1);
Vector3.Dot(ref gradientVector, ref difVector, out luu);
//lul
difVector.Z = difZ;
gradientVector = getGradientVector(cubeX, cubeY + 1, cubeZ);
Vector3.Dot(ref gradientVector, ref difVector, out lul);
//uul
difVector.X = difX - 1f;
gradientVector = getGradientVector(cubeX + 1, cubeY + 1, cubeZ);
Vector3.Dot(ref gradientVector, ref difVector, out uul);
//uuu
difVector.Z = difZ - 1f;
gradientVector = getGradientVector(cubeX + 1, cubeY + 1, cubeZ + 1);
Vector3.Dot(ref gradientVector, ref difVector, out uuu);
//ulu
difVector.Y = difY;
gradientVector = getGradientVector(cubeX + 1, cubeY, cubeZ + 1);
Vector3.Dot(ref gradientVector, ref difVector, out ulu);
//ull
difVector.Z = difZ;
gradientVector = getGradientVector(cubeX + 1, cubeY, cubeZ);
Vector3.Dot(ref gradientVector, ref difVector, out ull);
ll = NGInterp(lll, ull, difX);
lu = NGInterp(llu, ulu, difX);
ul = NGInterp(lul, uul, difX);
uu = NGInterp(luu, uuu, difX);
l = NGInterp(ll, ul, difY);
u = NGInterp(lu, uu, difY);
value = NGInterp(l, u, difZ);
value = (float)Math.Cos((value + 1) * Math.PI / 2);
values[i, j, k] = sumFunc(values[i, j, k], filter(value, pos));
}
return values;
}
public void addNoise(Noise3D noise, noiseSumFunction sumFunction)
{
noises.Add(noise);
sumFunctions.Add(sumFunction);
}
public void addNoise(Noise3D noise, noiseSumFunction sumFunction)
{
noises.Add(noise);
sumFunctions.Add(sumFunction);
}
