public float[] GetHeights(int xstart, int zstart)
{
int size = chunkSize;
height = size - 1;
width = size - 1;
heights = new float[size * size];
biomes = new Biome[heights.Length];
vertexArray = new Vertex[heights.Length];
indexArray = new int[width * height * 6];
for (int xx = 0; xx < size; xx++)
{
for (int yy = 0; yy < size; yy++)
{
float _x = yy + ((int)x * (size - 1));
float _y = xx + ((int)z * (size - 1));
float biomeHeight = 1f, temperature = 1f;
int heightIndex = HeightIndexAt(yy, xx);
float terrainHeight;
if (this.generateBiomes)
{
biomeHeight = (float)(parent.getSimplexNoise(((double)_y * 0.6), ((double)_x * 0.6)));
temperature = (float)(parent.getSimplexNoise(((double)_y), ((double)_x)));
terrainHeight = (float)parent.getSimplexNoise(_x, _y);
float mountainHeight = (float)parent.getNoise(_x * 0.05f, _y * 0.05f) * parent.GetWorleyNoise(_x * 0.008f, _y * 0.008f);
Biome biome = new Biome();
biome.AverageTemperature = temperature;
if (biomeHeight < 0.3f)
{
biome.Topography = Biome.BiomeTopography.Plains;
}
else
{
biome.Topography = Biome.BiomeTopography.Hills;
}
biomeHeight = (float)System.Math.Abs(biomeHeight) * 2;
biomeHeight *= biomeHeight;
biomes[heightIndex] = biome;
heights[heightIndex] = MathUtil.Lerp(terrainHeight * 10, mountainHeight * 150f, MathUtil.Clamp(biomeHeight, 0.0f, 1.0f));
}
else
{
terrainHeight = (float)parent.getNoise(_x, _y);
heights[heightIndex] = terrainHeight * 25f;
}
}
}
return(heights);
}
