static void perlin()
{
Console.WriteLine("Perlin:");
noise.module.Module p = new noise.module.Perlin();
var r = new Random();
for (double x = 0.0; x < 20.0; x++)
{
for (double y = 0.0; y < 80.0; y++)
{
var v = p.GetValue(x, y, r.NextDouble());
if (v < -0.5)
{
draw(0);
}
else if (v < 0.0)
{
draw(1);
}
else if (v < 0.5)
{
draw(2);
}
else
{
draw(3);
}
}
Console.WriteLine();
}
}
static void generateTerrainExperiment()
{
const int SIZE = 128;
var r = new Random();
var output = new ImageGenerator(SIZE, SIZE);
var colors = new Color[SIZE, SIZE];
var billow = new noise.module.Billow();
billow.Frequency = 0.01;
billow.NoiseQuality = NoiseQuality.QUALITY_BEST;
billow.OctaveCount = 30;
// billow.Lacunarity = 0.5;
// billow.Persistence = 0.1;
var perlin = new noise.module.Perlin();
perlin.NoiseQuality = NoiseQuality.QUALITY_FAST;
perlin.Frequency = 0.01;
perlin.OctaveCount = 12;
var mul = new noise.module.Multiply();
mul.InputB = billow;
mul.InputA = perlin;
var model = new noise.model.Plane(mul);
for (int x = 0; x < SIZE; x++)
{
for (int y = 0; y < SIZE; y++)
{
var v = model.GetValue(x, y);
if (v < -0.35)
{
colors[x, y] = Color.FromArgb(255, 25, 47, 81);
}
else if (v < -0.25)
{
colors[x, y] = Color.FromArgb(255, 36, 79, 147);
}
else if (v < -0.15)
{
colors[x, y] = Color.FromArgb(255, 47, 96, 175);
}
else if (v < -0.1)
{
colors[x, y] = Color.FromArgb(255, 30, 96, 204);
}
else if (v < 0.0)
{
colors[x, y] = Color.FromArgb(255, 42, 117, 237);
}
else if (v < 0.1)
{
colors[x, y] = Color.FromArgb(255, 232, 227, 201);
}
else if (v < 0.2)
{
colors[x, y] = Color.FromArgb(255, 130, 142, 102);
}
else if (v < 0.5)
{
colors[x, y] = Color.FromArgb(255, 89, 132, 71);
}
else if (v < 0.7)
{
colors[x, y] = Color.FromArgb(255, 55, 89, 41);
}
else if (v < 0.8)
{
colors[x, y] = Color.FromArgb(255, 68, 81, 62);
}
else if (v < 0.85)
{
colors[x, y] = Color.FromArgb(255, 90, 91, 89);
}
else if (v < 0.90)
{
colors[x, y] = Color.FromArgb(255, 57, 73, 48);
}
else if (v < 0.9995)
{
colors[x, y] = Color.FromArgb(255, 82, 89, 57);
}
else if (v < 1.0 - 0.000001)
{
colors[x, y] = Color.FromArgb(255, 112, 117, 85);
}
else if (v < 1.0 - 0.0000001)
{
colors[x, y] = Color.FromArgb(255, 122, 120, 99);
}
else if (v < 1.0 - 0.0000000000000000000000000000000001)
{
colors[x, y] = Color.FromArgb(255, 99, 97, 75);
}
else
{
colors[x, y] = Color.FromArgb(255, 120, 120, 120);
}
}
}
output.Draw(colors);
output.SaveToFile("terrain_experiment.bmp");
}
