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Question by petersenalexander80 · Jul 16, 2020 at 03:25 PM · collisioncollider2d game2d-platformerdestroy object

How can I destroy an object if it touches NOTHING

I want to destroy a wall if it doesn't touch another wall upon spawning. That's why I can't use OnTriggerEnter2D. This is the code I tried to use, but it only works if something else collides with the wall.

 public class BlockWall_Destroyer : MonoBehaviour
 {
     void OnTriggerEnter2D(Collider2D other)
     {
         if (other.gameObject.tag != "Wall+Ground" | other.gameObject.tag != "Player")
         {
             Destroy(gameObject);
         }
     } 
 }

I need a function that can test if my spawned wall doesn't touch anything.

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Answer by HappyPixel27 · Jul 16, 2020 at 06:12 PM

You will need to create an overlap box, Pretend that its an explosion (look at this video https://www.youtube.com/watch?v=BYL6JtUdEY0). Then make an if statement that checks if there are objects of the tags you are looking for. If there are none then it will destroy.

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