public void DrawMapInEditor()
{
textureData.ApplyToMaterial(terrainMaterial);
textureData.UpdateMeshHeights(terrainMaterial, heightMapSettings.minHeight, heightMapSettings.maxHeight);
HeightMap heightMap = HeightMapGenerator.GenerateHeightMap(meshSettings.numVertsPerLine, meshSettings.numVertsPerLine, heightMapSettings, Vector2.zero);
if (drawMode == DrawMode.NoiseMap)
{
DrawTexture(TextureGenerator.TextureFromHeightMap(heightMap));
}
else if (drawMode == DrawMode.Mesh)
{
DrawMesh(MeshGenerator.GenerateTerrainMesh(heightMap.values, meshSettings, editorPreviewLOD));
}
else if (drawMode == DrawMode.FalloffMap)
{
DrawTexture(TextureGenerator.TextureFromHeightMap(new HeightMap(FalloffGenerator.GenerateFalloffMap(meshSettings.numVertsPerLine), 0, 1)));
}
}
public static HeightMap GenerateHeightMap(int width, int height, HeightMapSettings settings, Vector2 sampleCentre)
{
float[,] values = Noise.GenerateNoiseMap(width, height, settings.noiseSettings, sampleCentre);
AnimationCurve heightCurve_threadsafe = new AnimationCurve(settings.heightCurve.keys);
float minValue = float.MaxValue;
float maxValue = float.MinValue;
if (settings.useFalloff)
{
if (falloffMap == null)
{
falloffMap = FalloffGenerator.GenerateFalloffMap(width);
}
}
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
values [i, j] *= heightCurve_threadsafe.Evaluate(values [i, j] - (settings.useFalloff ? falloffMap[i, j] : 0)) * settings.heightMultiplier;
if (values[i, j] > maxValue)
{
maxValue = values[i, j];
}
if (values[i, j] < minValue)
{
minValue = values[i, j];
}
}
}
return(new HeightMap(values, minValue, maxValue));
}