public float IslandFactor(float x, float y, Vector2 center, float noiseFactor, float size)
{
float distance = Vector2.DistanceSquared(center, noise.Perturb(x, y, 1, noiseFactor));
float heigth = (size * size - distance) / (size * size);
return(heigth);
}
public static void generateTerrain(int chunksX, int chunksY)
{
PerlinNoiseGenerater noise;
noise = new PerlinNoiseGenerater();
float factor = 0.1f;
float scale = 1f;
List <Vector3> positions = new List <Vector3>();
List <Vector3> positionsbase = new List <Vector3>();
List <Vector3> positionsbaseDifference = new List <Vector3>();
List <Color> colors = new List <Color>();
List <Color> colorsbase = new List <Color>();
int width = chunksX * 16;
int height = chunksY * 16;
SimpleTerrain terrain;
SimpleTerrain terrainbase;
SimpleTerrain terrainbaseDiffernce;
ProceduralHeigthGenerater gen = new ProceduralHeigthGenerater(8, 0.7f);
float[,] heightData = new float[width, height];
float[,] heightDataErrosion = new float[width, height];
//float[,] heightDataErrosionDiffernce = new float[width, height];
for (int i = 0; i < (int)(width); i++)
{
for (int j = 0; j < height; j++)
{
heightData[i, j] = (noise.GetPerlineNoise(i, j, 8, 0.1f, 0.8f, 0.8f) * 0.8f + noise.GetPerlineNoise(noise.Perturb(i, j, 0.1f, 30).X, noise.Perturb(i, j, 0.1f, 30).Y, 4, 0.2f, 0.5f, 0.5f) * 0.25f) * 70;
}
}
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
positionsbase.Add(new Vector3(i, heightData[i, j], j));
colorsbase.Add(Color.White);
}
}
//heightDataErrosionDiffernce = heightData
heightDataErrosion = gen.GenerateHydrolicErrosion(heightData, 50 * width * height, width, height);
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
positions.Add(new Vector3(i, heightDataErrosion[i, j], j));
colors.Add(new Color(new Microsoft.Xna.Framework.Vector3(positions[i * width + j].Y - positionsbase[i * width + j].Y, 50, 50)));
//positionsbaseDifference.Add(new Vector3(i, positions[i * width + j].Y - positionsbase[i * width + j].Y, j));(
}
}
for (int x = 0; x < chunksX; x++)
{
for (int y = 0; y < chunksY; y++)
{
var terr = new VoxelTerrainChunk();
terr.Size = new Point3(16, 64, 16);
//terr.Size = new Point3(5, 5, 5);
terr.WorldPosition = Vector3.Modulate(terr.Size.ToVector3() * terr.NodeSize, new Vector3(x, 0, y));
terr.Create();
TW.Data.GetSingleton <Datastore>().Persist(terr);
for (int tx = 0; tx < terr.Size.X; tx++)
{
for (int ty = 0; ty < terr.Size.Y / 2; ty++)
{
for (int tz = 0; tz < terr.Size.Z; tz++)
{
var heightMapX = tx + (int)terr.WorldPosition.X;
var heightMapZ = tz + (int)terr.WorldPosition.Z;
if (heightMapX >= width || heightMapZ >= height)
{
continue;
}
if (ty < heightDataErrosion[heightMapX, heightMapZ] / 2f)
{
terr.GetVoxelInternal(new Point3(tx, ty, tz)).Filled = true;
}
}
}
}
}
}
}