public static Color[] GenerateColorMap(float[,] noiseMap, TerrainType[] regions, bool useFalloff)
{
int mapWidth = noiseMap.GetLength(0);
int mapHeight = noiseMap.GetLength(1);
float[,] falloffMap = Falloff.GenerateFalloffMap(mapWidth, mapHeight);
Color[] colorMap = new Color[mapWidth * mapHeight];
for (int y = 0; y < mapHeight; y++)
{
for (int x = 0; x < mapWidth; x++)
{
if (useFalloff)
{
noiseMap[x, y] = Mathf.Clamp01(noiseMap[x, y] - falloffMap[x, y]);
}
for (int i = 0; i < regions.Length; i++)
{
if (noiseMap[x, y] <= regions[i].height)
{
colorMap[y * mapWidth + x] = regions[i].color;
break;
}
}
}
}
return(colorMap);
}
new public void Awake()
{
base.Awake();
falloffMap = Falloff.GenerateFalloffMap(mapWidth, mapHeight);
GenerateMap();
ApplyHeightMultiplier(mapSettings.heightMultiplier, mapSettings.heightCurve);
}
float[,] CreateHeightMapLayer(HeightMapSettings settings, int seed, int mapWidth, int offsetX, int offsetY)
{
float widthFactor = (float)mapWidth / (float)maxWidth;
float[,] noiseMap = Noise.GenerateNoiseMap(
settings.noiseType,
mapWidth,
mapWidth,
settings.noiseScale * widthFactor,
offsetX,
offsetY,
settings.noiseOctaves,
settings.persistence,
settings.lacunarity,
settings.noiseRedistributionFactor
);
float[,] falloffMap = null;
if (settings.useFalloff)
{
falloffMap = Falloff.GenerateFalloffMap(mapWidth, mapWidth);
}
bool useHydraulicErosion = hydraulicErosion.settings.useHydraulicErosion;
if (useHydraulicErosion && settings.mapDepth > 0)
{
noiseMap = hydraulicErosion.ErodeTerrain(noiseMap, seed);
}
float[,] heightMap = new float[mapWidth, mapWidth];
// Determine map depth
for (int z = 0; z < mapWidth; z++)
{
for (int x = 0; x < mapWidth; x++)
{
if (settings.useFalloff && settings.mapDepth > 0)
{
noiseMap[x, z] = Mathf.Clamp01(noiseMap[x, z] - falloffMap[x, z]);
}
if (settings.mapDepth == 0)
{
heightMap[x, z] = 1f;
}
else
{
heightMap[x, z] = 2 * (noiseMap[x, z] * settings.mapDepth);
}
}
}
return(heightMap);
}
public void GenerateMap()
{
falloffMap = Falloff.GenerateFalloffMap(mapWidth, mapHeight);
DrawMap();
colorMap = ColorMapGenerator.GenerateColorMap(heightMap, regions, mapSettings.useFalloff);
}
