public EntityManager()
{
Systems = new List <BaseSystem>();
Data = new EntityStorage();
Data.Initialize();
CollisionBvh = new CompactBvh();
AddedEntities = new List <int>();
}
public void UpdateCollisionBvh()
{
List <RyneAABB> bounds = new List <RyneAABB>();
List <int> entityIds = new List <int>();
foreach (var entity in Entities.Where(x => x.HasComponent <CollisionComponent>()))
{
if (!entity.Initialized)
{
continue;
}
var entityBounds = entity.Collision.EncapsulatingAABB(entity.Transform);
bounds.Add(new RyneAABB(entityBounds.Min, entityBounds.Max));
entityIds.Add(entity.EntityId);
}
//Parallel.For(0, Global.EntityManager.Entities.Length, i =>
//{
// AABB aabb = new AABB(new Float4(0.0f), new Float4(1.0f));
// bounds[i] = aabb.Transform(Global.EntityManager.TransformComponents[i]);
//});
if (entityIds.Count < 1)
{
return;
}
RyneBoundingVolumeHierarchy bvh = new RyneBoundingVolumeHierarchy();
bvh.Create(bounds, entityIds);
CollisionBvh = new CompactBvh {
CompactedNodes = bvh.Nodes.ToArray()
};
}
public void ClearAccelerationStructures()
{
CollisionBvh = CompactBvh.Empty;
}
