object moving forward for certain distance only.

I have a simple piece of code below that makes an animated on the spot/treadmill animal move forward. I want to make it so the animated animal object only moves forward for about 20 iterations/or 20 steps only, as otherwise it walks off the edge of the world. What is the easiest way to do this by adding to the code below? thanks

Code (CSharp):

1. using UnityEngine;
2. using System.Collections;

3. public class Mover : MonoBehaviour
4. {
void Update()
{

5.      transform.Translate(0, 0, Time.deltaTime);

6.        // this would add the delta time each frame to the z position of the object this script is attached to

7.     }
8. }
9.  

 

Wouldn't be better to test against distance to travel. Or xyz boundaries for example?
Does it have to be steps?

 

Hi,
No it doesn't have to be steps, just an approx distance from the starting point/equivalent of 20 steps etc..

 

If you want just steps, then you just need an iterator.
Either condition when iteration has changed, comparing previous iteration state.
Or when step changed.
Or move, until xyz position is reached.
Or xyz is not exceeded.
For example

Code (CSharp):

1. if ( transform.postion.x > - 120 && transform.postion.x < 120 )
2. {
3.     // do some movement here
4. }

The easiest and safest is knowing boundaries of the map.
Or distance to obstacle, edge etc.

 

ok thanks will look at that.