protected override void Process()
{
lock (_dependencies)
{
if (!_dependencies.Any())
{
throw new InvalidOperationException("Cannot perform blending without any dependencies to blend.");
}
var sources = Dependencies.Cast <HeightMapNode>();
var result = sources.First().Result;
if (Dimensions.HasValue)
{
result = new HeightMap(Dimensions.Value.Height, Dimensions.Value.Width, result.Data);
}
foreach (var source in sources.Skip(1))
{
result = BlendMode.Blend(result, source.Result);
}
Result = result;
}
}