public static void ComputeTemperature(World world, int seed)
{
double[,] tempMap = world.GetOrAddMap <double>("temperature");
int[,] heightMap = world.GetMap <int>("height");
int seaLevel = (int)world.GetProperty("sealevel");
int equator = (int)world.GetProperty("equator");
int planetHeight = (int)world.GetProperty("planetheight");
//from roughly the hottest and coldest annual temperature, in kelvin
//-30C to 30C
double equatorTemp = 303;
double poleTemp = 263;
double tempDistrib = planetHeight / 2.0;
world.SetProperty("maxtemp", equatorTemp);
world.SetProperty("mintemp", poleTemp);
for (int x = 0; x < world.Width; x++)
{
for (int y = 0; y < world.Height; y++)
{
double newTemp = TerrainGenDemo.Lerp(equatorTemp, poleTemp, Math.Abs(equator - y) / tempDistrib);
newTemp -= Math.Max(heightMap[x, y] - seaLevel, 0) * 0.07;
newTemp = Math.Max(newTemp, 1);
tempMap[x, y] = newTemp;
}
}
}
