using UnityEngine;
  using System.Collections;
  
  public class Ball : MonoBehaviour {
  
      public float maxVelocity = 20;
      public float minVelocity = 15;
  
          void Awake () {
          rigidbody.velocity = new Vector3(0, 0, -18);
          }
  
          void Update () {
          //Make sure we stay between the MAX and MIN speed.
          float totalVelocity = Vector3.Magnitude(rigidbody.velocity);
          if(totalVelocity>maxVelocity){
              float tooHard = totalVelocity / maxVelocity;
              rigidbody.velocity /= tooHard;
          }
          else if (totalVelocity < minVelocity)
          {
              float tooSlowRate = totalVelocity / minVelocity;
              rigidbody.velocity /= tooSlowRate;
          }
  
          //Is the ball below -3? Then we're game over.
          if(transform.position.z <= -3){            
              BreakoutGame.SP.LostBall();
              Destroy(gameObject);
          }
          }
  }