private void GenerateSurface()
{
int width = celestialBodySettings.textureSize;
int height = celestialBodySettings.textureSize;
NoiseMapData noiseMapData = GenerateNoiseMap(width, height, celestialBodySettings.noiseSettings);
CelestialBodyColorMap celestialBodyData = GenerateCelestialBodyColorMap(width, height, celestialBodySettings.colorSettings, noiseMapData);
Texture2D nightGlowMask = new Texture2D(width, height, TextureFormat.RGBA32, false);
nightGlowMask.filterMode = FilterMode.Point;
nightGlowMask.SetPixels(celestialBodyData.nightGlowColorMap);
nightGlowMask.Apply();
for (int i = 0; i < celestialBodyData.layerColorMaps.GetLength(0); i++)
{
AddCelestialBodyLayer(width, height, i, celestialBodyData.layerColorMaps[i], nightGlowMask, celestialBodySettings);
}
}
private CelestialBodyColorMap GenerateCelestialBodyColorMap(int width, int height, ColorSettings colorSettings, NoiseMapData noiseMapData)
{
Color[][] layerColorMaps = new Color[colorSettings.layers][];
Color[] nightGlowColorMap = new Color[width * height];
for (int i = 0; i < layerColorMaps.Length; i++)
{
layerColorMaps[i] = new Color[width * height];
}
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
float noiseValue = Mathf.InverseLerp(noiseMapData.minValue, noiseMapData.maxValue, noiseMapData.noiseValues[x, y]);
float minRange = 0;
float maxRange = 1;
int index = 0;
Gradient gradient;
float tones = 1;
float toneFalloff = 1;
bool isLand = false;
if (noiseValue >= colorSettings.waterLevel)
{
if (colorSettings.waterLevel > 0)
{
minRange = 1 - colorSettings.waterLevel;
}
gradient = colorSettings.landGradient;
tones = colorSettings.landTones;
isLand = true;
}
else
{
maxRange = colorSettings.waterLevel;
gradient = colorSettings.waterGradient;
tones = colorSettings.waterTones;
toneFalloff = colorSettings.toneFalloff;
nightGlowColorMap[x + y * width] = Color.white;
}
float normalisedValue = Mathf.InverseLerp(minRange, maxRange, noiseValue);
if (toneFalloff != 1)
{
normalisedValue = Mathf.Pow(normalisedValue, toneFalloff);
}
if (colorSettings.reducedTones)
{
normalisedValue = Mathf.Round(normalisedValue * tones) / tones;
}
if (isLand)
{
index = (int)Mathf.Round(normalisedValue * (layerColorMaps.GetLength(0) - 1));
}
Color textureColor;
if (colorSettings.useColor)
{
textureColor = gradient.Evaluate(normalisedValue);
}
else
{
textureColor = new Color(normalisedValue, normalisedValue, normalisedValue);
}
for (int i = 0; i < 1 + index; i++)
{
layerColorMaps[i][x + y * width] = textureColor;
}
}
}
CelestialBodyColorMap celestialBodyData = new CelestialBodyColorMap();
celestialBodyData.layerColorMaps = layerColorMaps;
celestialBodyData.nightGlowColorMap = nightGlowColorMap;
return(celestialBodyData);
}
