public ElevationHelper smooth(List <Center> centers, int passes)
{
for (int i = 0; i < passes; i++)
{
ElevationFunctions.smooth(centers);
}
return(this);
}
public ElevationHelper erode(List <Corner> corners)
{
updateCornerElevations(corners);
ElevationUtils.calculateDownslopes(corners);
ElevationUtils.calculateMoisture(corners);
ElevationFunctions.performWaterErosion(corners);
return(this);
}
public ElevationHelper applyFeatures(List <ElevationFeature> features)
{
foreach (var feature in features)
{
int iterations = feature.getIterations(random);
foreach (var i in Enumerable.Range(0, iterations))
{
Vector2 offset = feature.getOffsetVector(random);
switch (feature.feature)
{
case ElevationFeature.FeatureType.RADIAL_GRADIENT:
linearRadialGradient(offset.x, offset.y, feature.getHeight(random), feature.getRadius(random));
break;
case ElevationFeature.FeatureType.NOISE:
noise(feature.noiseScale, feature.getHeight(random));
break;
case ElevationFeature.FeatureType.POSITION_BIASED_NOISE:
radialNoise(offset.x, offset.y, feature.getRadius(random), feature.noiseScale, feature.getHeight(random));
break;
case ElevationFeature.FeatureType.SMOOTH:
ElevationFunctions.smooth(centers);
break;
case ElevationFeature.FeatureType.MOUND:
mound(offset.x, offset.y, feature.getHeight(random), feature.getRadius(random));
break;
case ElevationFeature.FeatureType.PLATEAU:
plateau(offset.x, offset.y, feature.getHeight(random), feature.getRadius(random));
break;
case ElevationFeature.FeatureType.CRATER:
crater(offset.x, offset.y, feature.getRadius(random));
break;
}
}
}
return(this);
}
/**
* radius, x and y are normalised to map size
*/
public ElevationHelper linearRadialGradient(float x, float y, float height, float radius)
{
ElevationFunctions.addCone(coords, radius, x * size, y * size, height);
cornersUpToDate = false;
return(this);
}
public ElevationHelper normalise()
{
ElevationFunctions.normalise(coords);
return(this);
}
public ElevationHelper radialNoise(float x, float y, float radius, float scale, float height)
{
Debug.Log($"radialNoise({x}, {y})");
ElevationFunctions.addRadialWeightedNoise(new Vector3(x * size, 0, y * size), radius, coords, random, scale, height);
return(this);
}
/**
* Smaller scale = less detailed noise.
*/
public ElevationHelper noise(float scale, float height)
{
ElevationFunctions.addNoise(coords, random, scale, height);
cornersUpToDate = false;
return(this);
}
public ElevationHelper mound(float x, float y, float height, float radius)
{
ElevationFunctions.addBump(centerPos, size, coords, radius, height, x * size, y * size);
return(this);
}
