How do I check if bool is true from another script?

Question

Hi I have one script that says:

 public bool IsLightOn = true;

and then I have another script, that should be something like this:

 If (IsLightOn = true)
 {
  // Do Stuff
 }

But that wont work because the IsLightOn bool is in another script, how can I make the other script "get" the bool from the other script?

Thanks, Andreas.

Answer 1

Best Answer

Answer by dorpeleg · Mar 17, 2013 at 02:14 PM

 if (GameObject.Find("name of the gameobject holding the script with the bool").GetComponent<name of the script holding the bool>().IsLightOn) //will check if true
 
 if (!GameObject.Find("name of the gameobject holding the script with the bool").GetComponent<name of the script holding the bool>().IsLightOn) //will check if false

If your both scripts are on the same gameobject. don't use Find.

 if (gameObject.GetComponent<name of the script holding the bool>().IsLightOn)//will check if true
 
 if (!gameObject.GetComponent<name of the script holding the bool>().IsLightOn)//will check if false

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AndreasX12 · Mar 17, 2013 at 02:49 PM 0

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Thank you so much for your answer, it worked perfectly :D

dorpeleg · Mar 17, 2013 at 02:58 PM 1

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You welcome :P

fafase · Mar 17, 2013 at 05:12 PM 1

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Note that if you do that in the Update that is quite bad. It will go fine until you have many objects on your scene. Then it will go slow, real slow.

AndreasX12 · Mar 17, 2013 at 05:39 PM 0

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I have it in the Update "void/function", how can I prevent that?

fafase · Mar 17, 2013 at 05:44 PM 3

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Create reference to the script (did you read the link I gave in the first place?)

 ScriptType script;
 void Start(){
     script = GameObject.Find("Name").GetComponent<ScriptType>();
 }

 void Update(){
     if(script.isLightOn)//Light is on
 }

Do not be think of creating a boolean variable in your script like this:

 bool isOn;
 void Start(){
     isOn = GameObject.Find("Name").GetComponent<ScriptType>().isLightOn;
 }

That won't do. Booleans are value type so without getting too deep, it would copy the original value but would not update it if the light would change.

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Answer 2

Answer by jackerlo · Sep 21, 2018 at 04:35 AM

?? cant see?

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How do I check if bool is true from another script?

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