public void GeneratePlanet()
{
if (Map != null)
{
Map.Dispose();
}
Map = new Texture2D(Game.GraphicsDevice, Width, Height);
Color[] data = new Color[Width * Height];
/*
* double[,] heightmap = new DiamondSquare(RNG, Width, Height, 1, 0.7, true, false).GenerateHeightmap();
* //heightmap = HydraulicErosion(heightmap, 2);
* double heightmapWidth = heightmap.GetUpperBound(0);
* double heightmapHeight = heightmap.GetUpperBound(1);
* double widthRatio = heightmapWidth / (double)Width;
* double heightRatio = heightmapHeight / (double)Height;
*/
int baseHeight = -500;
int altitudeScale = 2500;
int latitudeBonus = -1000;
int sealevel = 0;// RNG.Next(-10000, 10000);
ProceduralHeightmap planet = new ProceduralHeightmap(Width, Height, baseHeight, altitudeScale, 0.65, 0.1, true, false, false);
//ProceduralPlanet planet = new ProceduralPlanet(Width, Height, baseHeight, altitudeScale, 0.65, 0.1);
planet.Generate(RNG);
for (int x = 0; x < Width; x++)
{
for (int y = 0; y < Height; y++)
{
/*
* int x2 = (int)Math.Round((x) * widthRatio);
* int y2 = (int)Math.Round((y) * heightRatio);
*/
double latitude = (double)Math.Abs(y * 2 - Height) / Height;
double altitude = baseHeight + planet.GetAltitude(x, y) + latitude * latitudeBonus;
double temperature = 30 - 70 * latitude * latitude - 0.01 * altitude;
if (altitude > sealevel)
{
if (temperature > -0)
{
if (altitude > 2000)
{
data[x + y * Width] = Color.SlateGray * (float)((altitude + altitudeScale) / (altitudeScale * 2));
}
//else if (altitude > 3000)
// data[x + y * Width] = Color.BurlyWood * (float)((altitude + altitudeScale) / (altitudeScale * 2));
//else if (altitude > 1000)
// data[x + y * Width] = Color.YellowGreen * (float)((altitude + altitudeScale) / (altitudeScale * 2));
//else if (altitude < 100)
// data[x + y * Width] = Color.SandyBrown * (float)((altitude + altitudeScale) / (altitudeScale * 2));
else
{
data[x + y * Width] = Color.ForestGreen * (float)((altitude + altitudeScale) / (altitudeScale * 2));
}
}
else
{
data[x + y * Width] = Color.Snow * (float)((altitude + altitudeScale) / (altitudeScale * 2));
}
}
else
{
//if (altitude > -1000 && temperature > 20)
// data[x + y * Width] = Color.DarkCyan * (float)((altitude + altitudeScale) / (altitudeScale));
//else if (temperature > 0)
if (temperature > -0)
{
data[x + y * Width] = Color.Navy * (float)((altitude + altitudeScale) / (altitudeScale));
}
else
{
//data[x + y * Width] = Color.DarkCyan * (float)((altitude / 2 + altitudeScale) / (altitudeScale));
data[x + y * Width] = Color.Snow * (float)((altitude + altitudeScale) / (altitudeScale * 2));
}
}
}
}
for (int x = 0; x < Width; x++)
{
for (int y = 0; y < Height; y++)
{
data[x + y * Width] = ColorExtensions.Average(GetColors(data, x, y));
}
}
Map.SetData(data);
}
