GameFramework.ClientModule.HaveNpcInRange C# (CSharp) Method

        private bool HaveNpcInRange(EntityInfo entity, CharacterRelation relation, float radius)
        {
            bool find = false;
            KdTree.Query(entity, radius, (float sqrDist, KdTreeObject obj) => {
                if (EntityInfo.GetRelation(entity, obj.Object) == relation) {
                    find = true;
                    return false;
                }
                return true;
            });
            return find;
        }