using UnityEngine;

using System.Collections;

​

public class ExampleClass : MonoBehaviour {

    void Update() {

        if (Input.GetButtonDown("Fire1")) {

            if (Time.timeScale == 1.0F)

                Time.timeScale = 0.7F;

            else

                Time.timeScale = 1.0F;

            Time.fixedDeltaTime = 0.02F * Time.timeScale;

        }

    }

}