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Question by UniluckStudios · Jul 16, 2017 at 10:35 PM · collisioncolliderscollision detectioncollider2d

2D collision won't work?

Ok so i am using a spawner which makes copies of a prefab. The clones fall to the ground and they should die, but they don't. The ground has a rigidbody2d and a box collider2d and so does my ball. Here is some of my code. public class DestoryPlayerScript : MonoBehaviour {

 void OnCollisionEnter2d (Collider2D other)
 {
     Destroy (this.gameObject);

 }

}

public class SpawnBallOnKeyPress : MonoBehaviour {

 public GameObject Ball;
 // Use this for initialization
 void Start () {
     
 }
 
 // Update is called once per frame
 void Update () {
     if (Input.GetMouseButtonDown (0)) {
         Instantiate (Ball, transform.position, Quaternion.identity);
     }
 }

}

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Answer by CheetahSpeedLion · Jul 17, 2017 at 01:24 AM

Does your prefab that you're spawning have a rigidbody? According to the Unity collision matrix that would be necessary for the collision to be registered: https://docs.unity3d.com/Manual/CollidersOverview.html

Areleli

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Answer by tanoshimi · Jul 17, 2017 at 06:27 AM

Case-sensitivity matters. The callback is called OnCollisionEnter2D not OnCollisionEnter2d.

https://docs.unity3d.com/ScriptReference/MonoBehaviour.OnCollisionEnter2D.html

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