public void Start()
{
// Create it:
Filter = new SurfaceTexture();
// Apply initial properties (inputs into the filter):
Filter.Set("contours", Contours);
Filter.Set("uniformity", Uniformity);
Filter.Set("frequency", Frequency);
// Start building our voronoi node.
// Voronoi is, in short, a kind of cellular noise.
Voronoi v = new Voronoi();
// *All* are required:
v.Frequency = new Property(Filter, "frequency");
v.Distance = new Property((int)VoronoiDistance.Euclidean);
v.DrawMode = new Property((int)VoronoiDraw.Normal);
v.MinkowskiNumber = new Property(0f);
v.Function = new Property((int)VoronoiMethod.F2minusF1);
v.Jitter = new Property(Filter, "uniformity");
// If we just displayed 'v' as our root node, we'd just
// get some voronoi noise which looks like a bunch of black and white balls.
// So, next, we'll tonemap for interesting effects.
// Create a sine wave with a variable frequency (to be used by the tonemapper):
TextureNode graph = new ScaleInput(
new SineWave(),
new Property(Filter, "contours")
);
// Create the tonemapper node now.
// -> We're mapping the black->white range of pixels from the voronoi noise via our sine graph.
// That creates a kind of hypnotic black-and-white 'rippling' effect.
ToneMap map = new ToneMap(v, graph);
// Let's make it some more exciting colours.
// Create a gradient from a background->foreground colour, and use lookup to map from our b+w to that gradient.
Blaze.Gradient2D rawGradient = new Blaze.Gradient2D();
rawGradient.Add(0f, Color.blue);
rawGradient.Add(1f, Color.white);
// Create that lookup now:
Filter.Root = new Lookup(
new Loonim.Gradient(rawGradient, null),
map
);
// Create the draw information:
// - GPU mode
// - Size px square
// - HDR (true)
DrawInfo = new DrawInfo((int)Size);
}
void InitializeBiomeSelection(int Seed)
{
//Set Selector noise parameters
noise_selectCanyon.Seed = Seed;
noise_selectCanyon.OctaveCount = 3;
noise_selectDesertType.Seed = Seed + 1;
noise_selectIsland.Seed = Seed + 2;
noise_selectOceanType.Seed = Seed + 3;
noise_selectPlainDesert.Seed = Seed - 1;
noise_selectHills.Seed = Seed - 2;
noise_selectMountains.Seed = Seed - 3;
//Setup selector functions
noise_selectCanyonScaled = new ScaleInput(noise_selectCanyon, 16, 16, 16);
noise_selectCanyonScaled.SourceModule = noise_selectCanyon;
noise_selectDesertTypeScaled = new ScaleInput(noise_selectDesertType, 1, 1, 1);
noise_selectDesertTypeScaled.SourceModule = noise_selectDesertType;
noise_selectIslandScaled = new ScaleInput(noise_selectIsland, 8, 8, 8);
noise_selectIslandScaled.SourceModule = noise_selectIsland;
noise_selectOceanTypeScaled = new ScaleInput(noise_selectOceanType, 1, 1, 1);
noise_selectOceanTypeScaled.SourceModule = noise_selectOceanType;
noise_selectPlainDesertScaled = new ScaleInput(noise_selectPlainDesert, 2, 2, 2);
noise_selectPlainDesertScaled.SourceModule = noise_selectPlainDesert;
noise_selectHillsScaled = new ScaleInput(noise_selectHills, 2, 2, 2);
noise_selectHillsScaled.SourceModule = noise_selectHills;
noise_selectMountainsScaled = new ScaleInput(noise_selectMountains, 2, 2, 2);
noise_selectMountainsScaled.SourceModule = noise_selectMountains;
//Biome generation definitions
select_canyon = new Select(noise_selectCanyonScaled, id_desert, id_canyon);
select_canyon.SetBounds(0.7, 1); //ca. 15%
select_desert_type = new Select(noise_selectDesertTypeScaled, id_desert, select_canyon);
select_desert_type.SetBounds(0, 2); //ca. 50%
select_island = new Select(noise_selectIslandScaled, id_ocean, id_island);
select_island.SetBounds(0.8, 2); //ca. 10%
select_ocean_type = new Select(noise_selectOceanTypeScaled, id_ocean, select_island);
select_ocean_type.SetBounds(-2, -0.5); //ca. 25%
select_plain_desert = new Select(noise_selectPlainDesertScaled, select_desert_type, id_plains);
select_plain_desert.SetBounds(-0.2, 2); //ca. 60%
select_hills = new Select(noise_selectHillsScaled, select_plain_desert, id_hills);
select_hills.SetBounds(0.4, 2); //ca. 30%
select_mountains = new Select(noise_selectMountainsScaled, select_hills, id_mountains);
select_mountains.SetBounds(0.4, 2); //ca. 30%
select_ocean_land = new Select(noise_selectOceanTypeScaled, select_ocean_type, select_mountains);
select_ocean_land.SetBounds(0.2, 2); //ca. 40% - last step in combination
//Terrain generation definitions
terrainselect_canyon = new Select(noise_selectCanyonScaled, desertOutput, canyonScaled);
terrainselect_canyon.SetBounds(0.7, 1);
terrainselect_canyon.EdgeFalloff = 0.01;
terrainselect_desert_type = new Select(noise_selectDesertTypeScaled, desertOutput, terrainselect_canyon);
terrainselect_desert_type.SetBounds(0, 2);
terrainselect_desert_type.EdgeFalloff = 0.1;
terrainselect_island = new Select(noise_selectIslandScaled, oceanOutput, islandOutput);
terrainselect_island.SetBounds(0.8, 2);
terrainselect_island.EdgeFalloff = 0.2;
terrainselect_ocean_type = new Select(noise_selectOceanTypeScaled, oceanOutput, terrainselect_island);
terrainselect_ocean_type.SetBounds(-2, -0.5);
terrainselect_ocean_type.EdgeFalloff = 0.05;
terrainselect_plain_desert = new Select(noise_selectPlainDesertScaled, terrainselect_desert_type, plainsOutput);
terrainselect_plain_desert.SetBounds(-0.2, 2);
terrainselect_plain_desert.EdgeFalloff = 0.1;
terrainselect_hills = new Select(noise_selectHillsScaled, terrainselect_plain_desert, hillsOutput);
terrainselect_hills.SetBounds(0.4, 2);
terrainselect_hills.EdgeFalloff = 0.05;
terrainselect_mountains = new Select(noise_selectMountainsScaled, terrainselect_hills, mountainsOutput);
terrainselect_mountains.SetBounds(0.4, 2);
terrainselect_mountains.EdgeFalloff = 0.02;
terrainselect_ocean_land = new Select(noise_selectOceanTypeScaled, terrainselect_ocean_type, terrainselect_mountains);
terrainselect_ocean_land.SetBounds(0.2, 2);
terrainselect_ocean_land.EdgeFalloff = 0.05;
}
void InitializeNoise(int Seed)
{
//Ocean Noise Generator
oceanNoise.Seed = Seed;
oceanScaled = new ScaleInput(oceanNoise, 8, 8, 8);
oceanScaled.SourceModule = oceanNoise;
oceanOutput = new ScaleBiasOutput(oceanScaled);
oceanOutput.Scale = 0.25;
oceanOutput.Bias = 0.5;
//Mountain Noise Generator
mountainsNoise.Seed = Seed;
mountainsScaled = new ScaleInput(mountainsNoise, 4, 4, 4);
mountainsScaled.SourceModule = mountainsNoise;
mountainsOutput = new ScaleBiasOutput(mountainsScaled);
mountainsOutput.Scale = 1;
mountainsOutput.Bias = 2.2;
//Hills Noise Generator
hillsNoise.Seed = Seed + 5;
hillsNoise.Persistence = 0.25;
hillsScaled = new ScaleInput(hillsNoise, 16, 16, 16);
hillsScaled.SourceModule = hillsNoise;
hillsOutput = new ScaleBiasOutput(hillsScaled);
hillsOutput.Scale = 0.25;
hillsOutput.Bias = 1.25;
//Plains Noise Generator
plainsNoise.Persistence = 0.5;
plainsNoise.Seed = Seed;
plainsScaled = new ScaleInput(plainsNoise, 2, 2, 2);
plainsScaled.SourceModule = plainsNoise;
plainsOutput = new ScaleBiasOutput(plainsScaled);
plainsOutput.Scale = 0.17;
plainsOutput.Bias = 1.2;
//Desert Noise Generator
desertNoise.Persistence = 0.5;
desertNoise.Seed = Seed + 10;
desertOutput = new ScaleBiasOutput(desertNoise);
desertOutput.Scale = 0.3;
desertOutput.Bias = 1.3;
//Canyon Noise Generator
canyonNoise.Seed = Seed + 20;
canyonScaled = new ScaleBiasOutput(canyonNoise);
canyonScaled.Scale = 0.4;
canyonScaled.Bias = 1.75;
//Island Noise Generator
islandNoise.Persistence = 0.5;
islandNoise.Seed = Seed - 10;
islandScaled = new ScaleInput(islandNoise, 8, 8, 8);
islandScaled.SourceModule = islandNoise;
islandOutput = new ScaleBiasOutput(islandScaled);
islandOutput.Scale = 0.2;
islandOutput.Bias = 1.1;
//Vegetation
vegetationNoise.Seed = Seed;
//Overhangs generator
overhangs.Seed = Seed;
overhangs.OctaveCount = 1;
overhangs.Persistence = 0.3;
}
