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Question by gedadh · Jun 06, 2019 at 08:06 PM · 2d gamecollider2dtag

Tag and Collider problem

alt text

This is my player's jump code:

  if  (isJumping == false && moveVertical >= .7f)
         {
             moveVertical = Speed * 70;
             isJumping = true;
         }
         ball_move = new Vector2(moveHorizontal, moveVertical);         
         ball_rigid.AddForce(ball_move);
 ------------------
   void OnCollisionEnter2D(Collision2D col)
     {
         if (col.gameObject.tag == "Ground")
         {
             isJumping = false;
         }        
        
     }

When ball touches under of the collider it can jump again. How can i block this situation ?

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Answer by MacDx · Jun 06, 2019 at 08:13 PM

The Collision2D parameter contains information about the collision. It has a contacts array that describes the collision points, each of these collision points contain a normal which is the outwards direction of the face/edge you collided with. You can use that to determine what side of the block you collided with (i.e. if the normal is pointing downwards (x 0, y -1f)) and then make it so you can't jump if you touched it from below.

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avatar image gedadh · Jun 06, 2019 at 09:06 PM 0
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