public void Add(Entity entity)
{
int sparseIndex = entity.Index;
int packedIndex = entities.Add(entity, sparseIndex);
for (int i = 0; i < components.Length; ++i)
{
int typeIndex = typeMap.GetSparse(i);
IArrayWrapper array = components[i];
IArrayWrapper sparseArray = sparseComponents.GetArrayWrapper(typeIndex);
array.AddFrom(packedIndex, sparseArray, entity.Index);
}
addedEntities[addedEntitiesCount++] = entity;
}