Input.GetTouch(0).position.x and TouchPhase.Began

Question

Hey guys, Is it necessary to insert ..== TouchPhase.Began after Input.GetTouch(0).position.x ? Because they both seem to do the same stuff :

 if(touch.position.x < Screen.width/2)
 { 
       //DO STUFF
 }

VS

 if(touch.position.x < Screen.width/2)
 { 
    if(touch.phase == TouchPhase.Began)
         //DO STUFF
 }

Answer 1

Best Answer

Answer by dsada · Jul 13, 2014 at 05:37 PM

Depends on what you would like to achieve. TouchPhase.Began will be true in one single frame if you toch the screen. For example if you would like to make something like that cookie making game and you want something do only once when the player taps the screen you put that in. If you would like a character to follow your finger without constantly need to tap the screen you dont put that in :)

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DGKN · Jul 13, 2014 at 05:39 PM 0

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I understand, thanks for the quick reply. So in my case, is it necessary ? (Hold to turn left or right)

 void Update ()
     {
 
         if(Input.touchCount > 0)
         {
             int i = 0;
             for(i = 0; i < Input.touchCount; i++)
             {
                 Touch touch = Input.GetTouch(i);
                 if(touch.position.x < Screen.width/2)
                 {
                     if(touch.phase != TouchPhase.Ended)            
                         holdingLeft = true;
                     else
                         holdingLeft = false;
                 }
                 if(touch.position.x > Screen.width/2)
                 {
                     if(touch.phase != TouchPhase.Ended)
                         holdingRight = true;
                     else
                         holdingRight = false;
                 }
 
             }
         }
         else
         {
             holdingRight = false;
             holdingLeft = false;
         }
             
     }

dsada · Jul 13, 2014 at 05:56 PM 1

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It seems O$$anonymous$$ to me :)

Mordoko · Dec 08, 2016 at 02:47 AM 0

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Thanks very much, your answer worked just fine for me!

Input.GetTouch(0).position.x and TouchPhase.Began

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