public static IEnumerable <Pair <T> > Create(BasePartition <T> partition, ISpatialPartition <T> otherPartition)
{
var enumerable = Pool.Obtain();
enumerable._partition = partition;
enumerable._otherPartition = otherPartition;
enumerable._candidates = partition.GetOverlaps(otherPartition.Aabb).GetEnumerator();
return(enumerable);
}
public static IEnumerable <T> Create(BasePartition <T> partition, T item)
{
var enumerable = Pool.Obtain();
enumerable._partition = partition;
enumerable._item = item;
Aabb aabb = partition.GetAabbForItem(item);
enumerable._enumerator = partition.GetOverlaps(aabb).GetEnumerator();
return(enumerable);
}
public static IEnumerable <T> Create(BasePartition <T> partition, ref Ray ray)
{
var enumerable = Pool.Obtain();
enumerable._partition = partition;
enumerable._ray = ray;
enumerable._rayDirectionInverse = new Vector3(1 / ray.Direction.X,
1 / ray.Direction.Y,
1 / ray.Direction.Z);
enumerable._epsilon = Numeric.EpsilonF * (1 + partition.Aabb.Extent.Length);
Aabb rayAabb = new Aabb(ray.Origin, ray.Origin);
rayAabb.Grow(ray.Origin + ray.Direction * ray.Length);
enumerable._enumerator = partition.GetOverlaps(rayAabb).GetEnumerator();
return(enumerable);
}