void SetShadingNoise()
{
const string biomeWarpNoiseSuffix = "_biomeWarp";
const string detailWarpNoiseSuffix = "_detailWarp";
const string detailNoiseSuffix = "_detail";
PRNG prng = new PRNG(seed);
PRNG prng2 = new PRNG(seed);
if (randomize)
{
// warp 1
var randomizedBiomeWarpNoise = new SimpleNoiseSettings();
randomizedBiomeWarpNoise.elevation = prng.Range(0.8f, 3f);
randomizedBiomeWarpNoise.scale = prng.Range(1f, 3f);
randomizedBiomeWarpNoise.SetComputeValues(shadingDataCompute, prng2, biomeWarpNoiseSuffix);
// warp 2
var randomizedDetailWarpNoise = new SimpleNoiseSettings();
randomizedDetailWarpNoise.scale = prng.Range(1f, 3f);
randomizedDetailWarpNoise.elevation = prng.Range(1f, 5f);
randomizedDetailWarpNoise.SetComputeValues(shadingDataCompute, prng2, detailWarpNoiseSuffix);
detailNoise.SetComputeValues(shadingDataCompute, prng2, detailNoiseSuffix);
}
else
{
biomeWarpNoise.SetComputeValues(shadingDataCompute, prng2, biomeWarpNoiseSuffix);
detailWarpNoise.SetComputeValues(shadingDataCompute, prng2, detailWarpNoiseSuffix);
detailNoise.SetComputeValues(shadingDataCompute, prng2, detailNoiseSuffix);
}
}
void SetShapeNoiseSettings(PRNG prng, bool randomizeValues)
{
const string suffix = "_shape";
if (randomizeValues)
{
var chance = new Chance(prng);
SimpleNoiseSettings randomizedShapeNoise = new SimpleNoiseSettings()
{
numLayers = 4, lacunarity = 2, persistence = 0.5f
};
if (chance.Percent(80)) // Minor deformation
{
randomizedShapeNoise.elevation = Mathf.Lerp(0.2f, 3, prng.ValueBiasLower(0.3f));
randomizedShapeNoise.scale = prng.Range(1.5f, 2.5f);
}
else if (chance.Percent(20)) // Major deformation
{
randomizedShapeNoise.elevation = Mathf.Lerp(3, 8, prng.ValueBiasLower(0.4f));
randomizedShapeNoise.scale = prng.Range(0.3f, 1);
}
// Assign settings
randomizedShapeNoise.SetComputeValues(heightMapCompute, prng, suffix);
}
else
{
shapeNoise.SetComputeValues(heightMapCompute, prng, suffix);
}
}
void SetRidgeNoiseSettings(PRNG prng, bool randomizeValues)
{
const string ridgeSuffix = "_ridge";
const string detailSuffix = "_ridge2";
if (randomizeValues)
{
// Randomize ridge mask
var randomizedMaskNoise = new SimpleNoiseSettings()
{
numLayers = 4, lacunarity = 2, persistence = 0.6f, elevation = 1
};
randomizedMaskNoise.scale = prng.Range(0.5f, 2f);
// Randomize ridge noise
var chance = new Chance(prng);
var randomizedRidgeNoise = new RidgeNoiseSettings()
{
numLayers = 4, power = 3, gain = 1, peakSmoothing = 2
};
randomizedRidgeNoise.elevation = Mathf.Lerp(1, 7, prng.ValueBiasLower(0.3f));
randomizedRidgeNoise.scale = prng.Range(1f, 3f);
randomizedRidgeNoise.lacunarity = prng.Range(1f, 5f);
randomizedRidgeNoise.persistence = 0.42f;
randomizedRidgeNoise.power = prng.Range(1.5f, 3.5f);
randomizedRidgeNoise.SetComputeValues(heightMapCompute, prng, ridgeSuffix);
randomizedMaskNoise.SetComputeValues(heightMapCompute, prng, detailSuffix);
}
else
{
ridgeNoise.SetComputeValues(heightMapCompute, prng, ridgeSuffix);
ridgeNoise2.SetComputeValues(heightMapCompute, prng, detailSuffix);
}
}
public SimpleNoiseFilter(SimpleNoiseSettings settings)
{
_settings = settings;
}
