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;
}
}
}
public static void TempImage(World world, Image img)
{
double[,] tempMap = world.GetMap <double>("temperature");
Tuple <double, double> bounds = TerrainGenDemo.ArrayBounds2D(tempMap);
double minTemp = bounds.Item1;
double maxTemp = bounds.Item2;
//int maxTemp = (int)world.GetProperty("maxtemp");
//int minTemp = (int)world.GetProperty("mintemp");
double tempDif = maxTemp - minTemp;
Color hotColor = new Color(255, 0, 0, 150);
Color coldColor = new Color(255, 0, 0, 0);
for (int x = 0; x < world.Width; x++)
{
for (int y = 0; y < world.Height; y++)
{
double t = (tempMap[x, y] - minTemp) / tempDif;
Color pixCol = TerrainGenDemo.ColorLerp(coldColor, hotColor, t);
img.SetPixel((uint)x, (uint)y, pixCol);
}
}
}
public static void HeightShadeImage(World world, Image img)
{
int[,] heightMap = world.GetMap <int>("height");
Tuple <int, int> heightMinMax = TerrainGenDemo.ArrayBounds2D(heightMap);
int heightMin = heightMinMax.Item1;
int heightMax = heightMinMax.Item2;
int heightRange = heightMax - heightMin;
int heightMedian = (int)(heightMin + (heightRange * 0.5));
int seaLevel = (int)world.GetProperty("sealevel");
for (int x = 0; x < world.Width; x++)
{
for (int y = 0; y < world.Height; y++)
{
Color col;
int height = heightMap[x, y];
int depth = heightMax - height;
/*
* int slope = x < world.Width-1 ? heightMap[x+1,y] - height : 0;
* int slopeAlpha = Math.Min(Math.Abs(slope)*5, 255);
* byte slopeByte = (byte)slopeAlpha;
* if (slope > 0)
* {
* col = new Color(255,255,255,slopeByte);
* }
* else
* {
* col = new Color(0,0,0,slopeByte);
* }
*/
double alphaFactor = 0.0;
if (height > seaLevel)
{
col = new Color(255, 255, 255, 0);
alphaFactor = (double)(height - seaLevel) / (heightMax - seaLevel);
}
else
{
col = new Color(0, 0, 0, 0);
alphaFactor = (double)(seaLevel - height) / (seaLevel - heightMin);
}
double maxAlpha = 200.0;
double rawAlpha = alphaFactor * maxAlpha;
col.A = (byte)rawAlpha;
img.SetPixel((uint)x, (uint)y, col);
}
}
}
public static void ComputeFitness(World world, int seed)
{
double[,] tempMap = world.GetMap <double>("temperature");
int[,] moistureMap = world.GetMap <int>("moisture");
VegetationFitness[,] fitnessMap = world.GetOrAddMap <VegetationFitness>("fitness");
Tuple <int, int> moistureMinMax = TerrainGenDemo.ArrayBounds2D <int>(moistureMap);
for (int x = 0; x < world.Width; x++)
{
for (int y = 0; y < world.Height; y++)
{
double temperature = tempMap[x, y];
double moisture = moistureMap[x, y];
fitnessMap[x, y].Generate(temperature, moisture);
}
}
}
public Color GetPixelColor()
{
if (TreeTropical > 0 && TreeTropical >= TreeConifer && TreeTropical >= TreeDeciduous && TreeTropical >= Grass)
{
return(new Color(0, 230, 0, 255));
}
if (TreeDeciduous > 0 && TreeDeciduous >= TreeConifer && TreeDeciduous >= Grass)
{
return(new Color(50, 180, 50, 255));
}
if (TreeConifer > 0 && TreeConifer >= Grass)
{
return(new Color(20, 100, 20, 255));
}
if (Grass > 0)
{
//return new Color(100,200,100,255);
return(TerrainGenDemo.ColorLerp(new Color(200, 200, 50, 255), new Color(100, 200, 100, 255), Math.Min(Grass / 20.0, 1.0)));
}
return(new Color(0, 0, 0, 0));
}
