Linear Translation

1. http://answers.unity3d.com/questions/339561/linear-translation.html
2.  
3. using UnityEngine;
4. using System.Collections;
6. public class FollowPath : MonoBehaviour {
8. public GameObject follower;
9. public Transform[] pathNodes;
10. public float movementSpeed = 0.5f;
11. public bool continuouslyLoop = false;
12. private float pathPosition = 0f;
13. private int curNode = 0;
15. // Use this for initialization
16. void Start () {
17. if (follower == null) {
18. follower = this.gameObject;
19. }
20. }
22. // Update is called once per frame
23. void Update () {
24. if (pathNodes != null)
25. {
26. pathPosition += Time.deltaTime * movementSpeed;
27. if (pathPosition > 1f)
28. {
29. if (pathNodes.Length > curNode+2)
30. {
31. pathPosition = 0f;
32. curNode += 1;
33. }
34. else
35. {
36. if (continuouslyLoop)
37. {
38. pathPosition = 0f;
39. curNode = 0;
40. }
41. }
42. }
43. follower.transform.position = Vector3.Lerp( pathNodes[curNode].position, pathNodes[curNode+1].position, pathPosition );
44. }
45. }
46. }