Redirecting input with event.current.character?

Question

Soo I searched around on the forum, like a beginner should, and I found what I was looking for [here][1], but it was in C#, and I am working in JavaScript. So I tried to understand how the code worked, and rewore as much as possible. I changed it into this, onGui:

 var InputKey = Event.current.character;
 if (InputKey == 'a')
 {
  //Remove the inputtet character
 }

Now, this was just an example to get an idea of how it worked, for a single letter, but couldn't get that to work either. Anyone mind retouching the code so it works as intented, eg. restricts any non character a-z or number 0-9 from being entered (without using RegEx, due to Webplayer target)

Thank you in advance, and may the new year return less compile error than the previous! [1]: http://answers.unity3d.com/questions/18736/restrict-characters-in-guitextfield.html

Answer 1

Answer by Eric5h5 · Jan 01, 2013 at 12:29 AM

Unityscript doesn't use the single-quote method for indicating chars (both single and double quotes are used for strings). Instead refer to the index of the string. If you're using a single character in a string, naturally the only index possible is 0.

 if (Event.current.character == "a"[0]) {
     Event.current.character = "\0"[0];
 }

Note that \\0 is an escaped sequence meaning "null char", so it's actually one character even though it looks like two.

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Yanka200 · Jan 01, 2013 at 10:13 AM 0

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This doesn't work. I appreciate your correction of the syntax, but it doesn't solve my problem, of restricting user input in text field, to only letters and numbers.

Eric5h5 · Jan 01, 2013 at 05:30 PM 0

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It does work. Look at my answer in the question you linked to, then substitute the syntax I showed above in order to use it in Unityscript.

Redirecting input with event.current.character?

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