public ChunkGenerator(VoxelLibrary voxLibrary, int randomSeed, float noiseScale, float maxMountainHeight, float worldScale) { WorldScale = worldScale; NoiseGenerator = new Perlin(randomSeed); NoiseScale = noiseScale; MaxMountainHeight = maxMountainHeight; VoxLibrary = voxLibrary; CaveNoiseScale = noiseScale * 10.0f; CaveSize = 0.03f; CaveLevels = new List <int>() { 4, 8, 11, 16 }; CaveFrequencies = new List <float>() { 0.5f, 0.7f, 0.9f, 1.0f }; CaveNoise = new FastRidgedMultifractal(randomSeed) { Frequency = 0.5f, Lacunarity = 0.5f, NoiseQuality = NoiseQuality.Standard, OctaveCount = 1, Seed = randomSeed }; AquiverLevels = new List <int>() { 5 }; AquiferSize = 0.02f; AquiferNoise = new FastRidgedMultifractal(randomSeed + 100) { Frequency = 0.25f, Lacunarity = 0.5f, NoiseQuality = NoiseQuality.Standard, OctaveCount = 1, Seed = randomSeed }; LavaLevels = new List <int>() { 1, 2 }; LavaSize = 0.01f; LavaNoise = new FastRidgedMultifractal(randomSeed + 200) { Frequency = 0.15f, Lacunarity = 0.5f, NoiseQuality = NoiseQuality.Standard, OctaveCount = 1, Seed = randomSeed }; }
//biased for realistic scale planets of thousands of units radius public static IModule FastPlanet(float planetRadius) { int seed = RandomHelper.GetRandomInt(1000); FastNoise fastPlanetContinents = new FastNoise(seed); fastPlanetContinents.Frequency = 0.0001f; FastBillow fastPlanetLowlands = new FastBillow(); fastPlanetLowlands.Frequency = 0.01; LibNoise.Modifiers.ScaleBiasOutput fastPlanetLowlandsScaled = new ScaleBiasOutput(fastPlanetLowlands); fastPlanetLowlandsScaled.Scale = 1; fastPlanetLowlandsScaled.Bias = 2; FastRidgedMultifractal fastPlanetMountainsBase = new FastRidgedMultifractal(seed); fastPlanetMountainsBase.Frequency = 0.008; //mountains scaled to 1000th the radius, and biased that amount upwards. ScaleBiasOutput fastPlanetMountainsScaled = new ScaleBiasOutput(fastPlanetMountainsBase); fastPlanetMountainsScaled.Scale = planetRadius / 400; fastPlanetMountainsScaled.Bias = planetRadius / 200; FastTurbulence fastPlanetMountains = new FastTurbulence(fastPlanetMountainsScaled); fastPlanetMountains.Power = 1; fastPlanetMountains.Frequency = 0.05; FastNoise fastPlanetLandFilter = new FastNoise(seed + 1); fastPlanetLandFilter.Frequency = 0.0005; Select fastPlanetLand = new Select(fastPlanetLandFilter, fastPlanetLowlandsScaled, fastPlanetMountains); fastPlanetLand.SetBounds(0, planetRadius); fastPlanetLand.EdgeFalloff = 0.1f; FastBillow fastPlanetOceanBase = new FastBillow(seed); fastPlanetOceanBase.Frequency = 0.01f; ScaleBiasOutput biasOceanOutput = new ScaleBiasOutput(fastPlanetOceanBase); biasOceanOutput.Bias = -2f; biasOceanOutput.Scale = 1f; Select fastPlanetFinal = new Select(fastPlanetContinents, biasOceanOutput, fastPlanetLand); fastPlanetFinal.SetBounds(0, planetRadius); fastPlanetFinal.EdgeFalloff = 0.01; return(fastPlanetFinal); }
public static IModule Island(float centerPointX, float centerPointY, float fallOffStart, float falloffBias, int seed = 1000) { FastRidgedMultifractal fastPlanetLowlands = new FastRidgedMultifractal(seed); fastPlanetLowlands.Frequency = 0.04f; DistanceBasedBias distBias = new DistanceBasedBias(fastPlanetLowlands, centerPointX, centerPointY, fallOffStart, falloffBias); return(distBias); }
public static IModule ParameterisedFastPlanet(float planetRadius, Dictionary <string, PlanetParameters> parameters, int seed = 1000) { FastNoise fastPlanetContinents = new FastNoise(seed); fastPlanetContinents.Frequency = parameters["continentFrequency"].Value; FastBillow fastPlanetLowlands = new FastBillow(); fastPlanetLowlands.Frequency = parameters["lowlandFrequency"].Value; LibNoise.Modifiers.ScaleBiasOutput fastPlanetLowlandsScaled = new ScaleBiasOutput(fastPlanetLowlands); fastPlanetLowlandsScaled.Scale = parameters["lowlandScale"].Value; fastPlanetLowlandsScaled.Bias = parameters["lowlandBias"].Value; FastRidgedMultifractal fastPlanetMountainsBase = new FastRidgedMultifractal(seed); fastPlanetMountainsBase.Frequency = parameters["mountainBaseFrequency"].Value; //mountains scaled to 1000th the radius, and biased that amount upwards. ScaleBiasOutput fastPlanetMountainsScaled = new ScaleBiasOutput(fastPlanetMountainsBase); fastPlanetMountainsScaled.Scale = parameters["mountainScale"].Value; fastPlanetMountainsScaled.Bias = parameters["mountainBias"].Value; FastTurbulence fastPlanetMountains = new FastTurbulence(fastPlanetMountainsScaled); fastPlanetMountains.Power = parameters["mountainTurbulencePower"].Value; fastPlanetMountains.Frequency = parameters["mountainTurbulenceFrequency"].Value; FastNoise fastPlanetLandFilter = new FastNoise(seed + 1); fastPlanetLandFilter.Frequency = parameters["planetlandFilterFrequency"].Value; Select fastPlanetLand = new Select(fastPlanetLandFilter, fastPlanetLowlandsScaled, fastPlanetMountains); fastPlanetLand.SetBounds(0, planetRadius); fastPlanetLand.EdgeFalloff = parameters["landEdgeFallOff"].Value; FastBillow fastPlanetOceanBase = new FastBillow(seed); fastPlanetOceanBase.Frequency = parameters["oceanFrequency"].Value; ScaleBiasOutput biasOceanOutput = new ScaleBiasOutput(fastPlanetOceanBase); biasOceanOutput.Bias = parameters["oceanBias"].Value; biasOceanOutput.Scale = parameters["oceanScale"].Value; Select fastPlanetFinal = new Select(fastPlanetContinents, biasOceanOutput, fastPlanetLand); fastPlanetFinal.SetBounds(0, planetRadius); fastPlanetFinal.EdgeFalloff = parameters["finalEdgeFallOff"].Value; return(fastPlanetFinal); }
public static IModule RidgedMultiFractal(float frequency) { var module = new FastRidgedMultifractal(); ((FastRidgedMultifractal)module).Frequency = frequency; ((FastRidgedMultifractal)module).NoiseQuality = NoiseQuality.High; ((FastRidgedMultifractal)module).Seed = 0; ((FastRidgedMultifractal)module).OctaveCount = 6; ((FastRidgedMultifractal)module).Lacunarity = 2; return(module); }
public static ProceduralShape ProceduralAsteroid() { var module = new FastRidgedMultifractal(); ((FastRidgedMultifractal)module).Frequency = 0.2f; ((FastRidgedMultifractal)module).NoiseQuality = NoiseQuality.Standard; ((FastRidgedMultifractal)module).Seed = RandomHelper.GetRandomInt(0, 5000); ((FastRidgedMultifractal)module).OctaveCount = 6; ((FastRidgedMultifractal)module).Lacunarity = 2; Sphere sphere = new Sphere(32, 32); VertexPositionColorTextureNormal[] verts = sphere.GenerateVertexArray(); short[] ind = sphere.GenerateIndices(); var p = verts.Select(x => x.Position).ToList(); var s = BoundingSphere.CreateFromPoints(p); ProceduralShape asteroid = new ProceduralShape(verts, ind); return(asteroid); }
public ChunkGenerator(VoxelLibrary voxLibrary, int randomSeed, float noiseScale) { NoiseGenerator = new Perlin(randomSeed); NoiseScale = noiseScale; VoxLibrary = voxLibrary; CaveNoiseScale = noiseScale * 10.0f; CaveSize = 0.03f; CaveFrequencies = new List <float>() { 0.5f, 0.7f, 0.9f, 1.0f }; CaveNoise = new FastRidgedMultifractal(randomSeed) { Frequency = 0.5f, Lacunarity = 0.5f, NoiseQuality = NoiseQuality.Standard, OctaveCount = 1, Seed = randomSeed }; AquiverLevels = new List <int>() { 5 }; AquiferSize = 0.02f; AquiferNoise = new FastRidgedMultifractal(randomSeed + 100) { Frequency = 0.25f, Lacunarity = 0.5f, NoiseQuality = NoiseQuality.Standard, OctaveCount = 1, Seed = randomSeed }; }
private void button1_Click(object sender, EventArgs e) { panel2.Enabled = false; NoiseQuality quality = NoiseQuality.Standard; if (radiolow.Checked) { quality = NoiseQuality.Low; } if (radiostandard.Checked) { quality = NoiseQuality.Standard; } if (radiohigh.Checked) { quality = NoiseQuality.High; } int seed = 0; try { seed = Convert.ToInt32(textBox1.Text); } catch { seed = 0; textBox1.Text = "0"; } int octaves = 0; try { octaves = Convert.ToInt32(textBox2.Text); } catch { octaves = 6; textBox2.Text = "6"; } if (octaves > 30) { octaves = 30; } double frequency = 0; try { frequency = Convert.ToDouble(textBox3.Text); } catch { frequency = 0.05; textBox3.Text = "0.05"; } double lacunarity = 0; try { lacunarity = Convert.ToDouble(textBox4.Text); } catch { lacunarity = 2.0; textBox4.Text = "2.0"; } double persistence = 0; try { persistence = Convert.ToDouble(textBox5.Text); } catch { persistence = 0.5; textBox5.Text = "0.5"; } bool mapToSphere = false; IModule module; switch (listBox1.SelectedItem.ToString()) { case "Slow Perlin": module = new Perlin(); ((Perlin)module).Frequency = frequency; ((Perlin)module).NoiseQuality = quality; ((Perlin)module).Seed = seed; ((Perlin)module).OctaveCount = octaves; ((Perlin)module).Lacunarity = lacunarity; ((Perlin)module).Persistence = persistence; break; case "Fast Perlin": module = new FastNoise(); ((FastNoise)module).Frequency = frequency; ((FastNoise)module).NoiseQuality = quality; ((FastNoise)module).Seed = seed; ((FastNoise)module).OctaveCount = octaves; ((FastNoise)module).Lacunarity = lacunarity; ((FastNoise)module).Persistence = persistence; break; case "Slow Billow": module = new Billow(); ((Billow)module).Frequency = frequency; ((Billow)module).NoiseQuality = quality; ((Billow)module).Seed = seed; ((Billow)module).OctaveCount = octaves; ((Billow)module).Lacunarity = lacunarity; ((Billow)module).Persistence = persistence; break; case "Fast Billow": module = new FastBillow(); ((FastBillow)module).Frequency = frequency; ((FastBillow)module).NoiseQuality = quality; ((FastBillow)module).Seed = seed; ((FastBillow)module).OctaveCount = octaves; ((FastBillow)module).Lacunarity = lacunarity; ((FastBillow)module).Persistence = persistence; break; case "Slow Ridged Multifractal": module = new RidgedMultifractal(); ((RidgedMultifractal)module).Frequency = frequency; ((RidgedMultifractal)module).NoiseQuality = quality; ((RidgedMultifractal)module).Seed = seed; ((RidgedMultifractal)module).OctaveCount = octaves; ((RidgedMultifractal)module).Lacunarity = lacunarity; break; case "Fast Ridged Multifractal": module = new FastRidgedMultifractal(); ((FastRidgedMultifractal)module).Frequency = frequency; ((FastRidgedMultifractal)module).NoiseQuality = quality; ((FastRidgedMultifractal)module).Seed = seed; ((FastRidgedMultifractal)module).OctaveCount = octaves; ((FastRidgedMultifractal)module).Lacunarity = lacunarity; break; case "Slow Combined": Billow billow = new Billow(); billow.Frequency = frequency; billow.NoiseQuality = quality; billow.Seed = seed; billow.OctaveCount = octaves; billow.Lacunarity = lacunarity; billow.Persistence = persistence; ScaleBiasOutput scaledBillow = new ScaleBiasOutput(billow); scaledBillow.Bias = -0.75; scaledBillow.Scale = 0.125; RidgedMultifractal ridged = new RidgedMultifractal(); ridged.Frequency = frequency / 2.0; ridged.NoiseQuality = quality; ridged.Seed = seed; ridged.OctaveCount = octaves; ridged.Lacunarity = lacunarity; Perlin perlin = new Perlin(); perlin.Frequency = frequency / 10.0; perlin.NoiseQuality = quality; perlin.Seed = seed; perlin.OctaveCount = octaves; perlin.Lacunarity = lacunarity; perlin.Persistence = persistence; Select selector = new Select(perlin, ridged, scaledBillow); selector.SetBounds(0, 1000); selector.EdgeFalloff = 0.5; module = selector; break; case "Fast Combined": FastBillow fastbillow = new FastBillow(); fastbillow.Frequency = frequency; fastbillow.NoiseQuality = quality; fastbillow.Seed = seed; fastbillow.OctaveCount = octaves; fastbillow.Lacunarity = lacunarity; fastbillow.Persistence = persistence; ScaleBiasOutput fastscaledBillow = new ScaleBiasOutput(fastbillow); fastscaledBillow.Bias = -0.75; fastscaledBillow.Scale = 0.125; FastRidgedMultifractal fastridged = new FastRidgedMultifractal(); fastridged.Frequency = frequency / 2.0; fastridged.NoiseQuality = quality; fastridged.Seed = seed; fastridged.OctaveCount = octaves; fastridged.Lacunarity = lacunarity; FastNoise fastperlin = new FastNoise(); fastperlin.Frequency = frequency / 10.0; fastperlin.NoiseQuality = quality; fastperlin.Seed = seed; fastperlin.OctaveCount = octaves; fastperlin.Lacunarity = lacunarity; fastperlin.Persistence = persistence; Select fastselector = new Select(fastperlin, fastridged, fastscaledBillow); fastselector.SetBounds(0, 1000); fastselector.EdgeFalloff = 0.5; module = fastselector; break; case "Voronoi": module = new Voronoi(); ((Voronoi)module).Frequency = frequency; break; case "Slow Planet": mapToSphere = true; Perlin slowPlanetContinents = new Perlin(); slowPlanetContinents.Frequency = 1.5; Billow slowPlanetLowlands = new Billow(); slowPlanetLowlands.Frequency = 4; LibNoise.Modifiers.ScaleBiasOutput slowPlanetLowlandsScaled = new ScaleBiasOutput(slowPlanetLowlands); slowPlanetLowlandsScaled.Scale = 0.2; slowPlanetLowlandsScaled.Bias = 0.5; RidgedMultifractal slowPlanetMountainsBase = new RidgedMultifractal(); slowPlanetMountainsBase.Frequency = 4; ScaleBiasOutput slowPlanetMountainsScaled = new ScaleBiasOutput(slowPlanetMountainsBase); slowPlanetMountainsScaled.Scale = 0.4; slowPlanetMountainsScaled.Bias = 0.85; FastTurbulence slowPlanetMountains = new FastTurbulence(slowPlanetMountainsScaled); slowPlanetMountains.Power = 0.1; slowPlanetMountains.Frequency = 50; Perlin slowPlanetLandFilter = new Perlin(); slowPlanetLandFilter.Frequency = 6; Select slowPlanetLand = new Select(slowPlanetLandFilter, slowPlanetLowlandsScaled, slowPlanetMountains); slowPlanetLand.SetBounds(0, 1000); slowPlanetLand.EdgeFalloff = 0.5; Billow slowPlanetOceanBase = new Billow(); slowPlanetOceanBase.Frequency = 15; ScaleOutput slowPlanetOcean = new ScaleOutput(slowPlanetOceanBase, 0.1); Select slowPlanetFinal = new Select(slowPlanetContinents, slowPlanetOcean, slowPlanetLand); slowPlanetFinal.SetBounds(0, 1000); slowPlanetFinal.EdgeFalloff = 0.5; module = slowPlanetFinal; break; case "Fast Planet": mapToSphere = true; FastNoise fastPlanetContinents = new FastNoise(seed); fastPlanetContinents.Frequency = 1.5; FastBillow fastPlanetLowlands = new FastBillow(); fastPlanetLowlands.Frequency = 4; LibNoise.Modifiers.ScaleBiasOutput fastPlanetLowlandsScaled = new ScaleBiasOutput(fastPlanetLowlands); fastPlanetLowlandsScaled.Scale = 0.2; fastPlanetLowlandsScaled.Bias = 0.5; FastRidgedMultifractal fastPlanetMountainsBase = new FastRidgedMultifractal(seed); fastPlanetMountainsBase.Frequency = 4; ScaleBiasOutput fastPlanetMountainsScaled = new ScaleBiasOutput(fastPlanetMountainsBase); fastPlanetMountainsScaled.Scale = 0.4; fastPlanetMountainsScaled.Bias = 0.85; FastTurbulence fastPlanetMountains = new FastTurbulence(fastPlanetMountainsScaled); fastPlanetMountains.Power = 0.1; fastPlanetMountains.Frequency = 50; FastNoise fastPlanetLandFilter = new FastNoise(seed + 1); fastPlanetLandFilter.Frequency = 6; Select fastPlanetLand = new Select(fastPlanetLandFilter, fastPlanetLowlandsScaled, fastPlanetMountains); fastPlanetLand.SetBounds(0, 1000); fastPlanetLand.EdgeFalloff = 0.5; FastBillow fastPlanetOceanBase = new FastBillow(seed); fastPlanetOceanBase.Frequency = 15; ScaleOutput fastPlanetOcean = new ScaleOutput(fastPlanetOceanBase, 0.1); Select fastPlanetFinal = new Select(fastPlanetContinents, fastPlanetOcean, fastPlanetLand); fastPlanetFinal.SetBounds(0, 1000); fastPlanetFinal.EdgeFalloff = 0.5; module = fastPlanetFinal; break; default: module = new Constant(1.0); break; } System.Diagnostics.Stopwatch stopWatch = new System.Diagnostics.Stopwatch(); stopWatch.Start(); LibNoise.Models.Sphere sphere = new LibNoise.Models.Sphere(module); for (int x = 0; x < pictureBox1.ClientSize.Width - 1; x++) { for (int y = 0; y < pictureBox1.ClientSize.Height - 1; y++) { double value; if (mapToSphere) { int offsetX = -(x - 512); int offsetY = -(y - 512); double longitude = offsetY / 5.6888888888; if (longitude > 90.0) { longitude = 90.0; } if (longitude < -90.0) { longitude = -90.0; } double latitude = offsetX / 2.844444444; if (latitude > 180.0) { latitude = 180.0; } if (latitude < -190.0) { latitude = -180.0; } value = sphere.GetValue(longitude, latitude); } else { value = (module.GetValue(x, y, 10) + 1) / 2.0; } if (mapToSphere) { if (value < 0) { value = 0; } if (value > 1.0) { value = 1.0; } int index = (int)(value * earthLookupTable.Length); if (index >= earthLookupTable.Length) { index = earthLookupTable.Length - 1; } colors[x, y] = earthLookupTable[index]; } else { if (value < 0) { value = 0; } if (value > 1.0) { value = 1.0; } byte intensity = (byte)(value * 255.0); colors[x, y] = Color.FromArgb(255, intensity, intensity, intensity); } } } stopWatch.Stop(); label2.Text = "Generation time for a 1024x1024 image, not including rendering: " + stopWatch.Elapsed.TotalMilliseconds + " ms"; for (int x = 0; x < pictureBox1.ClientSize.Width - 1; x++) { for (int y = 0; y < pictureBox1.ClientSize.Height - 1; y++) { bitmap.SetPixel(x, y, colors[x, y]); } } pictureBox1.Image = bitmap; panel2.Enabled = true; }