Setting a variable number once in update class

Getting Started
1

Hi guys,
I am writing a function to get a variable number, but I want to be able to call it again when desired so don’t want it only to run in the start class. When I run my code my random numbers are generated constantly because they are being called in the update class and so running once per frame…

for example I want a listener to be looking for State and then set a variable to a random number (but I only want this to happen once every time you enter the state, not on each frame…)
Thanks for any help or suggestions
sub

2

Can you share your code? Because I’m not understanding, What you want exactly

3

void pickNumbers(){

print (“picking”);
varA = Random.Range(3, 8);
varB = Random.Range(3, 8);
}

// Update is called once per frame
void Update () {
print (varA);
print (varB);
print (myState);
if (myState == States.start){
pickNumbers ();
state_start();
}else if (myState == States.start_1){
pickNumbers ();
state_start_1();
}else if (myState == States.subtraction_1){
pickNumbers ();
state_subtraction_1();
}
}

so even if I put the pickNumbers function inside the function for the states it still runs constantly every frame
when I call the picknumbers func I just want to get a random no. for varA and a random no. for varB

4

you have to check your code and debug that which condition running continuously
One more explain me, what you want to do?

5

OK so I am trying to write a storygame for udemy academy… only I want to be deadly and make it a maths game so when you go to state.lvl1 I want it to say that Dude has [varA] brothers who are bringing [varB] guests to a party.
I could set the variables when I initialise the game but I want the numbers to change every time I come back to that lvl1 stage. So I want to be able to call the pickNumbers function and get a number between 3 and 7 for varA and the same for varB. At the moment it runs fine - no errors but the variable numbers just cascade as they are being called every frame. How can I call the function just once when I reach that state?

6

Hey I think I worked it out with a Boolean, set it to false - inside the pickNumbers function I say if its false pick the numbers and then set it to true!
Cheers:)

1 Like
7 
 public int varA;
    public int varB;

    public static bool callToPick = true;

    public void PickNumbers()
    {
        varA = Random.Range(3, 8);
        varB = Random.Range(3, 8);
    }
    void Update()
    {
        if (callToPick == true)
        {
            PickNumbers();
            callToPick = false; // true this variable if you want to call again to PickNumbers() function
        }
    }
8

You are right…

9

Excellent! thanks for this:)

1 Like