When i m destroying stationery object with this code it works but when i try to destroy moving objects i m unable to do so can any body help me .,Hy! I m new to unity ,Destroying the stationery gameobject but unable to destroy the moving object

Question

void update(){

if (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Began) {

         var startpos = Camera.main.ScreenToWorldPoint (Input.GetTouch (0).position);
         if (Physics2D.Raycast (startpos, Vector2.zero, 1 << LayerMask.NameToLayer ("Ballon"))) {
             Debug.Log ("Hits a ballon");
             Destroy (gameObject);
         }
     
     }

}

Answer 1

Answer by JedBeryll · May 14, 2016 at 03:11 PM

Raycast has no direction. Vector2.zero tells it to move 0 in x direction and 0 in y direction. If you want to cast towards the center, you need a directon not an end point. So:

 Vector3 direction = Vector2.zero - startpos;
 //subtracting from 0 will of course be the same as:
 Vector3 direction = -startpos;

Or you can use a Physics.LineCast which takes a start and an end point.

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When i m destroying stationery object with this code it works but when i try to destroy moving objects i m unable to do so can any body help me .,Hy! I m new to unity ,Destroying the stationery gameobject but unable to destroy the moving object

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