public TerrainModule(int seed)
{
_seed = seed;
RidgedMultifractal mountains = new RidgedMultifractal();
mountains.Seed = seed;
mountains.Frequency = 0.5;
Billow hills = new Billow();
hills.Seed = seed;
hills.Frequency = 2;
ScaleBiasOutput scaleHill = new ScaleBiasOutput(hills);
scaleHill.Scale = 0.04;
scaleHill.Bias = 0;
ScaleBiasOutput scaleMountain = new ScaleBiasOutput(mountains);
scaleMountain.Scale = 1.5;
Perlin selectorControl = new Perlin();
selectorControl.Seed = seed;
selectorControl.Frequency = 0.10;
selectorControl.Persistence = 0.25;
Select selector = new Select(selectorControl, scaleMountain, scaleHill);
selector.SetBounds(0, 1000);
selector.EdgeFalloff = 0.5;
_module = selector;
}
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;
}
private static void Run(int octaves, double persistence, double frequency, double lacunarity)
{
string fileName = string.Format("O{3}_P{0:N3}_F{1:N3}.png", persistence, frequency, lacunarity, octaves);
Billow billow = new Billow();
billow.Frequency = frequency;
billow.NoiseQuality = NoiseQuality.High;
billow.Seed = 0;
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;
ridged.NoiseQuality = NoiseQuality.High;
ridged.Seed = 0;
ridged.OctaveCount = octaves;
ridged.Lacunarity = lacunarity;
Perlin perlin = new Perlin();
perlin.Frequency = frequency;
perlin.NoiseQuality = NoiseQuality.High;
perlin.Seed = 0;
perlin.OctaveCount = octaves;
perlin.Lacunarity = lacunarity;
perlin.Persistence = persistence;
Select selector = new Select(perlin, ridged, scaledBillow);
selector.SetBounds(0, 1000);
selector.EdgeFalloff = 0.5;
IModule module = selector;
//RidgedMultifractal module = new RidgedMultifractal();
//((RidgedMultifractal)module).Frequency = frequency;
//((RidgedMultifractal)module).NoiseQuality = NoiseQuality.High;
//((RidgedMultifractal)module).Seed = 0;
//((RidgedMultifractal)module).OctaveCount = octaves;
//((RidgedMultifractal)module).Lacunarity = lacunarity;
//((RidgedMultifractal)module).Persistence = persistence;
Pen blackPen = new Pen(Color.Black, 1);
Font arialFont = new Font("Arial", 8);
double min = double.MaxValue;
double max = double.MinValue;
double avg = 0;
using (Bitmap b = new Bitmap(300, 2500))
{
using (Graphics g = Graphics.FromImage(b))
{
g.Clear(Color.White);
for (int i = 0; i < 5000; i++)
{
var value = module.GetValue(i, 0, 0);
avg += value;
if (value < min)
{
min = value;
}
if (value > max)
{
max = value;
}
g.DrawRectangle(blackPen, 150 + (int)System.Math.Round(value * 100), i / 2, 1, 1);
}
avg /= 5000;
g.DrawString(string.Format("Samples: {0:N3}\r\nMin: {1:N3}\r\nMax: {2:N3}\r\nAverage: {3:N3}", 5000, min, max, avg), arialFont, Brushes.DarkBlue, 5f, 60f);
g.DrawString(string.Format("Frequency: {0:N3}\r\nPersistence: {1:N3}\r\nLacunarity: {2:N3}\r\nOctaves: {3:N3}", frequency, persistence, lacunarity, octaves), arialFont, Brushes.DarkGreen, 5f, 5f);
}
b.Save(@"Combined\" + fileName, ImageFormat.Png);
}
}
//keep libnoise namepsace prefix, as it's names are incredibly generic
private IModule GetGen(int seed)
{
IModule bas = null;
float frequency = target.frequency * 0.01f;
int octaveCount = Mathf.Max(target.octaveCount, 1);
float lacunarity = target.lacunarity;
switch (target.noiseType) {
case NoiseType.Billow:
var b = new Billow
{Frequency = frequency, OctaveCount = octaveCount, Lacunarity = lacunarity, Seed = seed};
bas = b;
break;
case NoiseType.Pink:
var p = new Perlin
{Frequency = frequency, OctaveCount = octaveCount, Lacunarity = lacunarity, Seed = seed};
bas = p;
break;
case NoiseType.Ridged:
var r = new RidgedMultifractal {
Frequency = frequency,
OctaveCount = target.octaveCount,
Seed = seed,
Lacunarity = lacunarity,
};
bas = r;
break;
case NoiseType.Voronoi:
var v = new Voronoi {Frequency = target.frequency * 0.05f, Seed = seed};
bas = v;
break;
}
var t = new Turbulence(bas)
{Frequency = target.turbulenceFrequency, Power = target.turbulencePower, Seed = seed + 789};
return t;
}
public LibNoise.IModule GenerateNoise(TerrainArchetype curTerrain, LibNoise.IModule noiseCombine)
{
LibNoise.Perlin Temp = new LibNoise.Perlin();
tempnoise = Temp; noise = Temp; noise1 = Temp; noise2 = Temp; noiseCombine = Temp;
// Apply Noise Values
for (int i = 0; i < curTerrain.C_nNoiseList.Length; i++)
{
switch (curTerrain.C_nNoiseList[i])
{
case SetNoise.Perlin:
LibNoise.Perlin perlin = new LibNoise.Perlin();
perlin.Frequency = curTerrain.C_nFrequency;
perlin.Lacunarity = curTerrain.C_nLacunarity;
perlin.NoiseQuality = curTerrain.C_nQuality;
perlin.OctaveCount = curTerrain.C_nOctaves;
perlin.Persistence = curTerrain.C_nPersistence;
perlin.Seed = curTerrain.C_nSeed;
tempnoise = perlin;
break;
case SetNoise.Billow:
LibNoise.Billow billow = new LibNoise.Billow();
billow.Frequency = curTerrain.C_nFrequency;
billow.Lacunarity = curTerrain.C_nLacunarity;
billow.NoiseQuality = curTerrain.C_nQuality;
billow.OctaveCount = curTerrain.C_nOctaves;
billow.Persistence = curTerrain.C_nPersistence;
billow.Seed = curTerrain.C_nSeed;
tempnoise = billow;
break;
case SetNoise.MultiFractal:
LibNoise.RidgedMultifractal MultiFrac = new LibNoise.RidgedMultifractal();
MultiFrac.Frequency = curTerrain.C_nFrequency;
MultiFrac.Lacunarity = curTerrain.C_nLacunarity;
MultiFrac.NoiseQuality = curTerrain.C_nQuality;
MultiFrac.OctaveCount = curTerrain.C_nOctaves;
//MultiFrac.Persistence = Persistence;
MultiFrac.Seed = curTerrain.C_nSeed;
tempnoise = MultiFrac;
break;
}
switch (i)
{
case 0:
noise = tempnoise;
break;
case 1:
noise1 = tempnoise;
break;
case 2:
noise2 = tempnoise;
break;
}
}
//selector = new LibNoise.Modifiers.Select(noise,noise1,noise2);
LibNoise.IModule tempNoise1 = new LibNoise.Modifiers.Add(noise, noise1);
LibNoise.IModule tempNoise2 = new LibNoise.Modifiers.Add(tempNoise1, noise2);
noiseCombine = tempNoise2;
return(noiseCombine);
}
