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Question by RealityStudio · Nov 12, 2013 at 01:58 AM · stringif-statementscompare-string

comparing strings|easy way.....

Hi, i have a compare tag statement in my OnTriggerEnter.... it look like this:

if(otherTag == "Enemy" || otherTag == "EnemyWall" || otherTag == "EnemyUnion" || otherTag == "EnemyWall2")

but i want to simplify it like this:

if(other.tag == "Enemy"||"EnemyWall"||"EnemyUnion"||"EnemyWall2")

but it dont work....theres any reason why its not working?? or any other way to simplify it??

thanks.

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Answer by RealityStudio · Nov 12, 2013 at 02:10 AM

ok i solve it by myself. i just entered every string in a "()" heres how: //from... if(other.tag == "Enemy"||"EnemyWall"||"EnemyUnion"||"EnemyWall2") //to.... if(other.tag == "Enemy"||"EnemyWall"||"EnemyUnion"||"EnemyWall2")

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Answer by aldonaletto · Nov 12, 2013 at 02:09 AM

No, this definitely won't work: the operator || means logical OR and only accepts boolean operands. You're already doing this the right way: get the tag in a string variable and compare it to each string - this allocates a string in memory only once per OnTrigger event. An alternative that doesn't allocate a single byte is CompareTag:

 function OnTriggerEnter(other: Collider){
   if (other.CompareTag("Enemy") || other.CompareTag("EnemyWall") || other.CompareTag("EnemyUnion") || other.CompareTag("EnemyWall2")){
     // do something
   }
 }

You must write a lot more, but apparently the performance is a little better.

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