The code gives room for variation, to allow different angles, and the cubes use trail renderer.
using UnityEngine;
using System.Collections;
public class Orbit : MonoBehaviour {
public GameObject Target;
public Vector3 direction = Vector3.left;
public float Speed = 0.1f;
public bool Randomize = false;
public float RandomizeMin = -0.5f;
public float RandomizeMax = 0.5f;
public float MaxDistance = 5;
public float MinDistance = 1;
void Update () {
this.transform.LookAt(Target.transform);
var shift = Vector3.zero;
if (Randomize)
{
shift = new Vector3(Random.Range (RandomizeMin, RandomizeMax),
Random.Range (RandomizeMin, RandomizeMax) * Time.deltaTime,
Random.Range (RandomizeMin, RandomizeMax));
}
this.transform.Translate ((shift + direction) * Speed * Time.deltaTime);
if (Vector3.Distance(Target.transform.position, transform.position) > MaxDistance)
{
Debug.Log ("To Far");
this.transform.position = this.Target.transform.position + Vector3.ClampMagnitude(
this.transform.position - this.Target.transform.position,
this.MaxDistance);
}
if (Vector3.Distance(Target.transform.position, transform.position) < MinDistance)
{
Debug.Log ("To Close");
this.transform.position = this.Target.transform.position + Vector3.ClampMagnitude(
(this.transform.position - this.Target.transform.position) * 100,
this.MinDistance);
}
}
}
