/// <summary>
/// Gets the height map data.
/// </summary>
/// <returns>The height map data.</returns>
/// <param name="w">The width.</param>
/// <param name="h">The height.</param>
public override float[,] GetHeightmapData(int w, int h, int x, int z)
{
heightMapBuilder = new LibNoise.Noise2D(w, h, perlinNoiseGenerator);
heightMapBuilder.GeneratePlanar(left, right, top, bottom);
return(heightMapBuilder.GetData());
}
/// <summary>
/// Gets the height map data.
/// </summary>
/// <returns>The height map data.</returns>
/// <param name="w">The width.</param>
/// <param name="h">The height.</param>
public override float[,] GetHeightmapData(int w, int h, int x, int z)
{
heightMapBuilder = new Noise2D(w, h, finalTerrain);
heightMapBuilder.GeneratePlanar(left, right, top, bottom);
return(heightMapBuilder.GetData());
}
void RandomizeTerrainHeights()
{
int noiseSeed = Random.Range(0, int.MaxValue);
var noiseMap = new LibNoise.Noise2D(m_TerrainData.heightmapWidth, m_TerrainData.heightmapHeight);
var noiseModule = new LibNoise.Generator.Perlin();
// Configure the noise parameters
noiseModule.OctaveCount = 20;
noiseModule.Persistence = 0.45f;
noiseModule.Seed = noiseSeed;
noiseMap.Generator = noiseModule;
// Generate the noise map
noiseMap.GeneratePlanar(-1.5f, 1.5, -1.5, 1.5f, true);
// Get a two-dimensional array of heights from the noise map
float borderHeight = m_TerrainBorderHeight / m_TerrainData.size.y;
float[,] heights = noiseMap.GetData();
// Loop through every "pixel" and set the height to a random value
for (int x = 0; x < m_TerrainData.heightmapWidth; x++)
{
for (int y = 0; y < m_TerrainData.heightmapHeight; y++)
{
// Divide the height by 2 so it doesn't flow over the top of the arena
heights[x, y] /= 2f;
// Fill in flat areas with random noise
if (heights[x, y] <= borderHeight &&
heights[x, y] >= borderHeight / 2)
{
float newHeight = Random.Range(0f, borderHeight / 2);
heights[x, y] = Mathf.Lerp(heights[x, y], newHeight, 0.5f);
}
// Update the maxHeight variable if the current height point breaks the previous record
if (heights[x, y] > m_MaxHeight)
{
m_MaxHeight = heights[x, y];
}
}
}
// Debug.Log("Max Height: " + m_MaxHeight);
// Store the result back into terrainData
m_TerrainData.SetHeights(0, 0, heights);
}
