How to increase score by one per second when you are holding an object

Question

Hello. I'm working on a game in which there are 2 ways of scoring. 1- 1point/sec while holding a ball. 2- 5 points if you drop the ball in a basket. I have multiple questions in this but I'd like to focus on the 1pt/sec part for now.

Here's my code (sorry it's pretty sloppy, I'm kind of new):

     public int score;
     private bool hasBall;
     private float startTime;
 
     void Start()
     {
         score = 0;
         hasBall = false;
         startTime = Time.time;
     }
 
     void OnTriggerEnter(Collider other)
     {
         if (other.gameObject.tag == "ball")
         {
             //Destroy(other.gameObject);
             other.gameObject.transform.parent = gameObject.transform;
             hasBall = true;
         }
         else
             hasBall = false;
 
     }
 
     void Update()
     {
         if (Input.GetKeyDown("space"))
             print("throwBall");
          
         if(hasBall)
             score = (int)(Time.time - startTime);
 
         Debug.Log("Score: " + score);
 
     }

This works for giving me 1 point per second, but it doesn't recognize when I pick it up as the start time. My debug log often will say I have "Score: 5" the first second I pick it up.

Answer 1

Best Answer

Answer by Maui-M · Feb 17, 2014 at 06:12 PM

Delta time will give you the time passed since the previous frame/update. Use that to get how long the ball has been held. Whenever its been held for over a second add that to the score and subtract it from your time counter.

     public int score;
     private bool hasBall;
     private float heldTime = 0.0f;
  
     void Start()
     {
        score = 0;
        hasBall = false;
     }
  
     void OnTriggerEnter(Collider other)
     {
        if (other.gameObject.tag == "ball")
        {
          //Destroy(other.gameObject);
          other.gameObject.transform.parent = gameObject.transform;
          hasBall = true;
        }
        else
          hasBall = false;
     }
  
     void Update()
     {
        if (Input.GetKeyDown("space")){
          print("throwBall");
          heldTime = 0.0f;
         }
  
        if(hasBall){
          heldTime += Time.deltaTime;
          if(heldTime >= 1){
             score += (int)heldTime;
             heldTime -= (int)heldTime;
          }
         }
  
        Debug.Log("Score: " + score);
     }

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Rs31412 · Feb 17, 2014 at 11:53 PM 0

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Thank you so much for the quick reply! It works great! Wish I could upvote it but I don't have 15 rep yet =/ just started on this. Wish I could link this to my Stack Overflow account so I could.

getyour411 · Feb 17, 2014 at 11:59 PM 0

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@Rs31412 ,below the thumbs up/down icons, do you see another option to 'select this as answer'?

Rs31412 · Feb 18, 2014 at 12:05 AM 0

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just found it! Thanks! Need to get used to this site! Thanks!

Answer 2

Answer by CagatayAkyazi · Jan 26, 2019 at 12:55 AM

THANX a lot five years after but:))) it helped me a lot... thnx again

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How to increase score by one per second when you are holding an object

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