//--------------------------------------------------------------
#region Creation & Cleanup
//--------------------------------------------------------------
/// <summary>
/// Initializes a new instance of the <see cref="Scene"/> class.
/// </summary>
public Scene()
{
Children = new SceneNodeCollection();
if ((GlobalSettings.ValidationLevelInternal & GlobalSettings.ValidationLevelUserHighExpensive) != 0)
{
SceneChanged += OnSceneChangedValidation;
}
// Create a default collision filter.
var filter = new SceneNodeCollisionFilter(this);
filter.Set(1, 1, false); // Ignore camera vs. camera.
filter.Set(2, 3, false); // Ignore light vs. lens flare.
filter.Set(3, 3, false); // Ignore lens flare vs. lens flare.
filter.Set(3, 4, false); // Ignore lens flare vs. mesh.
filter.Set(4, 4, false); // Ignore mesh vs. mesh.
_filter = filter;
_collisionObjectFilter = new SceneCollisionObjectFilter(filter);
var collisionDetection = new CollisionDetection {
CollisionFilter = null,
};
// DualPartition is better for frustum culling.
_collisionDomain = new CollisionDomain(collisionDetection)
{
BroadPhase = new DualPartition <CollisionObject> {
Filter = _collisionObjectFilter
},
};
}
protected virtual void CloneCore(SceneNode source)
{
_flags = source._flags;
Name = source.Name;
ScaleLocal = source.ScaleLocal;
PoseLocal = source.PoseLocal;
LastScaleWorld = source.LastScaleWorld;
LastPoseWorld = source.LastPoseWorld;
Shape = source.Shape; // Shallow copy.
MaxDistance = source.MaxDistance;
SortTag = source.SortTag;
UserData = source.UserData;
// Do not clone: RenderData, SceneData
if (source.Children != null)
{
if (Children == null)
{
Children = new SceneNodeCollection();
}
else
{
Children.Clear();
}
foreach (var child in source.Children)
{
Children.Add(child.Clone());
}
}
}