protected override void Executing(ISceneSnapshot ss)
{
var snapshot = (SceneSnapshot)ss;
var emanager = ContextState.GetEntityManager();
var toProcess = new List <GraphicEntity>();
GraphicEntity source = null;
foreach (var entity in emanager.GetEntities())
{
if (entity.Has <IStickOnHeightMapComponent>())
{
toProcess.Add(entity);
}
var s = entity.GetComponents <IHeightMapSourceComponent>();
if (s.Any())
{
source = entity;
}
}
if (source.IsNull())
{
return;
}
foreach (var en in toProcess)
{
var com = en.GetComponent <IStickOnHeightMapComponent>();
var tr = en.GetComponent <TransformComponent>();
var rayLocal = new Ray(com.AttachPointLocal, com.AxisUpLocal);
var rayEnWorld = rayLocal.Transformed(tr.MatrixWorld);
//
var sourceTr = source.GetComponent <TransformComponent>();
var map = source.GetComponent <IHeightMapSourceComponent>();
var rayMapLocal = rayEnWorld.Transformed(sourceTr.MatrixWorld.Inverted());
var matrix = map.GetTransfromToMap(ref rayMapLocal);
if (!matrix.IsIdentity)
{
en.UpdateComponent(TransformComponent.Create(tr.MatrixWorld * matrix));
snapshot.Notifier.NotifyChange(tr);
}
}
}
