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Question by BLGO94 · Sep 20, 2020 at 10:26 AM · unity 2drigidbody2d2d-physicscollision2d

Rigidbody ricochet effect error on 2D

Hello. I'm trying to make an bullet ricochet when hit an wall.

The bullet behaviour is described below:

 [RequireComponent(typeof(Rigidbody2D))]
 [RequireComponent(typeof(Collider2D))]
 public class Bullet : PoolObj
 {
     [SerializeField]
     private float initialForce = 0f;

     Rigidbody2D rigidBody;
     Collider2D collider2d;

     void Awake()
     {
         rigidBody = GetComponent<Rigidbody2D>();
         collider2d = GetComponent<Collider2D>();
     }
     public void SetInitialConfig(Vector3 position, float rotation)
     {
         rigidBody.angularVelocity = 0f;
         rigidBody.velocity = Vector2.zero;
         rigidBody.isKinematic = false;

         gameObject.transform.position = position;
         gameObject.transform.Rotate(0f, 0f, rotation);

         rigidBody.velocity = transform.up * initialForce;
     }

    void OnCollisionEnter2D(Collision2D collision)
     {
         if (collision.gameObject.tag.Equals("Wall"))
             ReflectProjectile(collision.contacts[0].normal);
     }

     private void ReflectProjectile(Vector3 reflectVector)
     {
         rigidBody.velocity = Vector3.Reflect(rigidBody.velocity, reflectVector);
     }
 }

this code result is, when the object hit the wall, it start spinning in the same place while falling.

Can someone help me?

Thanks

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