private void SetMoistureSampler()
{
if (!UseMoisture)
{
return;
}
AbsGeneratorNode gen = GetInputValue <AbsGeneratorNode>("MoistureGenerator");
_moistureSampler = gen == null ? null : new GeneratorSampler(gen.GetGenerator());
}
public override Texture2D DidRequestTextureUpdate()
{
int s = PreviewTextureSize;
Texture2D tex = new Texture2D(s, s);
Generator g = GetGenerator();
if (g == null)
{
return(tex);
}
GeneratorSampler sampler = new GeneratorSampler(g);
//Retrieve values
float min = float.PositiveInfinity;
float max = float.NegativeInfinity;
float[,] values = new float[s, s];
for (int x = 0; x < s; x++)
{
for (int y = 0; y < s; y++)
{
float val = sampler.GetValue(x, y, GridPosition.Zero, s, s, 1);
if (val < min)
{
min = val;
}
if (val > max)
{
max = val;
}
values[x, y] = val;
}
}
//Normalize values and set texture
for (int x = 0; x < s; x++)
{
for (int y = 0; y < s; y++)
{
float val = values[x, y];
float norm = (val - min) / (max - min);
tex.SetPixel(x, y, new Color(norm, norm, norm, 1f));
}
}
tex.Apply();
return(tex);
}
private void SetHeightmapSampler()
{
if (!UseHeightmap)
{
return;
}
AbsGeneratorNode gen = GetInputValue <AbsGeneratorNode>("HeightmapGenerator");
_heightmapSampler = gen == null ? null : new GeneratorSampler(gen.GetGenerator());
}
