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Question by Dr_GeoFry · Oct 03, 2013 at 12:17 AM · vector3vector2touchscreen

Use Rect.Contains to define an area on touchScreens

Hi, I have a very simple question. Can you use Rect.Contains to reference an area on a touch screen? If so, how would you reference that area? Looking at the code below, what should be in the Input.mousePosition section of the code?

 function Update () {
         var rect = Rect (0, 0, 150, 150);
         if (rect.Contains(Input.mousePosition))
             print("Inside");
     }

Thanks for your insight and knowledge on this.

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Answer by TrickyHandz · Oct 03, 2013 at 12:54 AM

This will work for you. Checking for the first touch, just check for the zero-index touch input like this:

 function Update () {
        var rect = Rect (0, 0, 150, 150);
        if (rect.Contains(Input.GetTouch(0).position))
          print("Inside");
     }

You can check for multiple touches as well if you need. This post on the forums has links to several video tutorials on touch: Devin Curry, Touch Input

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avatar image Dr_GeoFry · Oct 03, 2013 at 01:14 AM 0
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thanks for your help

avatar image timdan · May 28, 2014 at 06:25 AM 0
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I'm using C# - and very new at this - so what type/class is "var rect"? I'm trying to use this code, but I'm struggling with defining that variable.

$$anonymous$$any thanks,

avatar image TrickyHandz · Jun 01, 2014 at 06:29 PM 0
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@timdan, rect is a Rect. Here's the docs link for you just in case you need it: Unity - Scripting API: Rect

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