KittenRandomController.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class KittenRandomController : MonoBehaviour {

	public float speed;

	private int frameupdaterate; // only change the kitten velocity every FrameUpdateRate frames
	private float framecounter = 0;
	private Rigidbody rb;
	private Animator myAnimator;
	private Vector3 v;

	// Use this for initialization
	void Start () {
		rb = GetComponent<Rigidbody> ();
		myAnimator = GetComponent<Animator> ();
		frameupdaterate = Random.Range (25, 200);
		v = new Vector3 (0, 0, 0);
	}

	void FixedUpdate() {
		framecounter++;
		if (framecounter >= frameupdaterate) {
			v = GetRandomVelocity ();
			rb.AddForce (v * Time.deltaTime * speed, ForceMode.VelocityChange);
			framecounter = 0;
			// Update animator parameters
			Debug.Log (myAnimator.GetFloat ("xVelocity"));
			Debug.Log (myAnimator.GetFloat ("zVelocity"));
			myAnimator.SetBool ("moving", true);
			myAnimator.SetFloat ("xVelocity", v.x);
			myAnimator.SetFloat ("zVelocity", v.z);
		} else {
			//rb.AddForce (v * Time.deltaTime * speed, ForceMode.Force);
			myAnimator.SetBool ("moving", false);
		}
	}

	private Vector3 GetRandomVelocity () {
		return new Vector3 (Random.Range (-12.0f, 12.0f), 0.0f, Random.Range (-12.0f, 12.0f));
	}
}