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Question by vzmartinii · May 13, 2013 at 07:55 AM · getcomponentontriggerenter

Error accessing var from other scripts within project via GetComponent

Hello!

I am following a set of tutorials on working with unity, but I seem to have hit a roadblock, Here is the scenario: I have a player script and a enemy script. The objective is to create a public variable in the player script to hold the number of lives left. In the enemy script, within an OnTriggerEnter function, the collision should cause a player life to drop by 1, but once I do it all, I get an error in unity stating that:

Assets/folderScripts/scipt enemy(37,61): BCE0019: 'lives' is not a member of 'UnityEngine.Component'.

Here is my variable declaration in the player script :

 var lives            :    int        =    3;


and here is my OnTriggerEnter function in my enemy script:

 function OnTriggerEnter ( other : Collider)
 {
     if (other.gameObject.tag == "Player")
         {
             other.GetComponent("script player").lives -= 1;
         }
 }

It's worth mentioning that the gameObject associated with the player script is tagged as "Player"

Thanks for your help in advance.

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Answer by SubatomicHero · May 13, 2013 at 08:01 AM

Just for neatness and showing a clear trail of thought, you could try this:

 if (other.gameObject.tag == "Player")
 {
     var player : ScriptName = other.GetComponent(Player);
     player.lives -= 1;
 }

its better to try and use types rather thans strings in GetComponent. For example if a script is called Player its better to do GetComponent(Player) rather than GetComponent("Player");

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avatar image vzmartinii · May 13, 2013 at 06:26 PM 0
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Thank you very much, that was a very helpful answer!

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