Jump off 2D platforms Smash brothers style.

Question

i have been using

 void OnCollisionStay2D(Collision2D other) {
 
         if (Input.GetKeyDown(KeyCode.DownArrow ) == true)
         {
  platform.transform.GetComponent<BoxCollider2D>().enabled = false; //<--- this one works.



    Physics2D.IgnoreCollision(other.transform.GetComponent<CircleCollider2D>(), platform.transform.GetComponent<BoxCollider2D>()); //doesnt work
    Physics2D.IgnoreCollision(other.transform.GetComponent<BoxCollider2D>(), platform.transform.GetComponent<BoxCollider2D>()); //doesnt work
         }
 
     }

but it simply doesnt work, now if i deactivate the box collider i cant simply turn it back on with an oncollisionexit2d function since it wont know when the collision ended.

the platform parents the other objects it carries with a 1 scale parent to avoid graphical errors.

what would you use ?

Answer 1

OK, thank you very much for your Answer, it helped me develop this :

Here's the whole class:

 public class PassThrough : MonoBehaviour {
 
     public bool checkcol;
     public Collider2D lastPlatform;
     public string lastPlatformName;
 
     // Use this for initialization
     void Start () {
         checkcol = false;
     }
     
     // Update is called once per frame
     void Update () {}
 
     void OnCollisionEnter2D(Collision2D other) {
 
         if (other.transform.name != lastPlatformName) {
 
          
             Physics2D.IgnoreCollision(lastPlatform, GetComponent<BoxCollider2D>(),false);
             Physics2D.IgnoreCollision(lastPlatform, GetComponent<Collider2D>(),false);
 
         }
 
     }
 
 
 
     void OnCollisionStay2D(Collision2D other) {
          if (other.transform.tag=="MovingPlatform")
                 if (Input.GetKeyDown(KeyCode.DownArrow))
                 {
                 lastPlatformName = other.transform.name;
                 lastPlatform = other.transform.GetComponent<Collider2D>();
                     Physics2D.IgnoreCollision(lastPlatform, GetComponent<BoxCollider2D>());
                     Physics2D.IgnoreCollision(lastPlatform, GetComponent<Collider2D>());
                 }

}

this class lets my character with 2 hit boxes pass through moving platforms, and re enter them if you touch anything else which will most likely be the case.

Jump off 2D platforms Smash brothers style.

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