move 2D object in opposite direction after collision

Question

I have a 2D sprite object. I want it to move non-stop with a certain speed. After a collision with one of the four boundaries, it should move in opposite direction with same angle (>). for example, if the ball $$anonymous$$t a wall with 45 angle, it should be bounced in opposite direction with same angle. Ball should always be moving. Thanks

Answer 1

Answer by Ninjapro2k_ · Jan 02, 2017 at 04:25 AM

In a case where you're telling the object to move forward- relative to the object's orientation-, rather than specifically left of right: You could call OnTriggerEnter2D and flip the object, so it would continue moving forward relative to it's rotation.

void Flip()
{

      isFacingRight = !isFacingRight;
  
       Vector2 theScale = transform.localScale;
       theScale.x *= -1;
       transform.localScale = theScale;
   }

You could also use Rigidbody2D.AddForce :)

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move 2D object in opposite direction after collision

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