public void Initialize(IHeightMapSource heightMap)
{
// Build the quadtree.
var createDescription = new CreateDescription
{
Settings = settings,
HeightMap = heightMap
};
quadTree.Build(ref createDescription);
// Initialize a height map texture.
InitializeHeightMapTexture(heightMap);
}
/// <summary>
/// Initialize a height map texture.
/// The height map texture is created with SurfaceFormat.Single.
/// </summary>
/// <param name="heightMap"></param>
void InitializeHeightMapTexture(IHeightMapSource heightMap)
{
heightMapTexture = new Texture2D(GraphicsDevice, heightMap.Width, heightMap.Height, false, SurfaceFormat.Single);
var heights = new float[heightMap.Width * heightMap.Height];
for (int y = 0; y < heightMap.Height; y++)
for (int x = 0; x < heightMap.Width; x++)
heights[x + y * heightMap.Width] = heightMap.GetHeight(x, y);
heightMapTexture.SetData(heights);
}
