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Question by xbz33456 · Nov 20, 2019 at 10:43 AM · rigidbody2d2d-physicsrigidbody.velocityrigidbody-collisionrigidbody physics

Rigidbody velocity updates on wrong collision Object,[2D] Rigidbody velocity updates on wrong collision object,

Making a Pong clone; the Rb velocity of the ball should update on a powerup "FastBall", which increases velocity. Instead it only updates when it hits a player Stick. It registers a collision but updates on the wrong object

void OnCollisionEnter2D(Collision2D col) {

     print(col.gameObject.name);
     if (col.gameObject.name == "Player1")
     {
      
         float y = hitObject(transform.position, col.transform.position, col.collider.bounds.size.y);
         
         Vector2 dir = new Vector2(1, y);
         GetComponent<Rigidbody2D>().velocity = dir * ballSpeed;
     }
     if (col.gameObject.name == "Player2")
     {
         float y = hitObject(transform.position, col.transform.position, col.collider.bounds.size.y);
         
         Vector2 dir = new Vector2(-1, y);
         GetComponent<Rigidbody2D>().velocity = dir * ballSpeed;
     }

 }

Here the FastBall script(Debug registers).

void OnTriggerEnter2D(Collider2D other) { Debug.Log("Collision"); if (gameObject.name == "FastBall") { ballSpeed.ballSpeed *= 4; } },Making a Pong clone with some extras; If the ball goes through the powerup field "FastBall" the velocity should be increased. But the velocity only updates when it touches a player stick. How does it trigger when it enters the powerup?

Here the Script for "FastBall". The Debug.Log works

void OnTriggerEnter2D(Collider2D other) { if (gameObject.name == "FastBall") { ballSpeed.ballSpeed *= 4; } } ,

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