Collision Detection between an instance in motion and array does not work?

Question

I am trying to test the collisions between a bullet and an array of enemies in Actionscript 2. However it is not sensing a collision. This is the code in the bullet.

onClipEvent(load)
{
    facing = _root.player.facing;
    speed = 1;
    i = 0;
}

onClipEvent(enterFrame)
{

if (this._name != "bullet")
{
    this._x += facing * speed;

    while (i < _root.enemyID)
    {


        if (Math.abs(this._x - _root.enemies[i]._x)<10)
        {
            trace("hit enemy");

        }
        i++;
    }
}

}

I suggest moving right along and looking at ActionScript 3. I then recommend using an open source physics library like Box2D to do this for you. — Marty
– Marty, Commented Mar 8, 2012 at 0:49

Kazetsukai · Accepted Answer · 2012-03-08 00:50:44Z

1

The variable i looks like it is being set to 0 only on load. So it will be checking all the enemies on the first frame, but since i will now always be greater than enemyID, it will never go into the loop again.

Try setting i = 0; just before the while loop.

answered Mar 8, 2012 at 0:50

Kazetsukai

2,2581 gold badge14 silver badges16 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

bluepanda Over a year ago

Thank you, that was the problem.

Collectives™ on Stack Overflow

Collision Detection between an instance in motion and array does not work?

1 Answer 1

1 Comment

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

1 Comment

Your Answer

Sign up or log in

Post as a guest

Related