Some code demonstrating the use of Linq, Lamdas, and GoodStuff

TractorBeam.cs

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using GoodStuff.NaturalLanguage;

public class TractorBeam : MonoBehaviour {
  public float tractorBeamRange = 10f;
	public GameObject tractorBeamPrefab;
	public GameObject tractorAudioPrefab;
	
	float tractorTime = 100f;
	int tractorBeamsPerObject = 4;
	
	
	List<GameObject> candidates = new List<GameObject>();
	List<TractoringObject> tractoringObjects = new List<TractoringObject>();
	
	class TractoringObject {
		public GameObject Object { get; set; }
		public float FinishTime { get; set; }
		public List<GameObject> TractorBeams { get; set; }
		public GameObject TractorAudio { get; set; }
	}
	
	public void AddTractorCandidate(GameObject candidate) {
		candidates.Add(candidate);
	}
	
	void Update() {
		var cleanCandidates = false;
		
		candidates.Where(c => Vector3.Distance(transform.position, c.transform.position) <= tractorBeamRange).Each(c => {
			var tractorBeams = Enumerable.Range(0, tractorBeamsPerObject).Select(unused => {
				var tractorBeam = Instantiate(tractorBeamPrefab, transform.position, Quaternion.identity) as GameObject;
				tractorBeam.transform.parent = transform;
				tractorBeam.GetComponent<LightningBolt>().target = c.transform;
				return tractorBeam;
			});
			
			var tractorAudio = Instantiate(tractorAudioPrefab, c.transform.position, Quaternion.identity) as GameObject;
			tractorAudio.transform.parent = c.transform;
			tractoringObjects.Add(new TractoringObject {
				Object = c,
				FinishTime = Time.time + tractorTime,
				TractorBeams = tractorBeams.ToList(),
				TractorAudio = tractorAudio
			});
			
			cleanCandidates = true;
			
		});
		
		if(cleanCandidates) {
			candidates.RemoveAll(c => tractoringObjects.Any(t => t.Object == c));
			cleanCandidates = false;
		}
		
		tractoringObjects.Each(tractoringObject => {
			var distance = Vector3.Distance(transform.position, tractoringObject.Object.transform.position);
			var pitch = 1f - (distance / tractorBeamRange);
			tractoringObject.TractorAudio.audio.pitch = pitch;
			
			var time = (tractoringObject.FinishTime - Time.time) / tractorTime;
			tractoringObject.Object.transform.position = Vector3.Lerp(transform.position, tractoringObject.Object.transform.position, time);
		});
	}
	
	void OnTriggerEnter(Collider other) {
		var collectedObject = tractoringObjects.FirstOrDefault(t => t.Object == other.gameObject);
		if(collectedObject != null) {
			Destroy(other.gameObject);
			collectedObject.TractorBeams.Each(Destroy);
			tractoringObjects.Remove(collectedObject);
		}
	}
}