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Question by ashjack · Oct 07, 2013 at 06:30 PM · physicsrigidbodygravityspeedplanet

I have a planetary gravity script; how do I make the object speed up?

Basically, I have a planetary gravity script and it works okay. It pulls any objects with a rigidbody towards it, but it moves towards it at the same speed. What do I add to the script to make the object speed up as it falls?

 var range : float = 30.0;
  
 function FixedUpdate () {
     var cols : Collider[] = Physics.OverlapSphere(transform.position, range);
     var rbs : Array = new Array();
     for (c=0;c<cols.length;c++) {
         if (cols[c].attachedRigidbody && cols[c].attachedRigidbody != rigidbody) {
             var breaking :boolean = false;
             for (r=0;r<rbs.length;r++) {
                 if (cols[c].attachedRigidbody == rbs[r]) {
                     breaking=true;
                     break;
                 }
             }
             if (breaking) continue;
             rbs.Add(cols[c].attachedRigidbody);
             var offset : Vector3 = (transform.position - cols[c].transform.position);
             var mag: float = offset.magnitude;
             cols[c].attachedRigidbody.AddForce(offset/mag/mag * rigidbody.mass);
         }
     }
 }
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Answer by meat5000 · Oct 07, 2013 at 06:33 PM

Perhaps some expression of time in AddForce? Or maybe just some moveFaster += 1; for some linear action in your life. Perhaps play with ForceMode

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avatar image ashjack · Oct 07, 2013 at 06:44 PM 0
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How would I add this into the script?

avatar image ashjack · Oct 08, 2013 at 04:20 PM 0
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bump bump

avatar image meat5000 ♦ · Oct 08, 2013 at 07:37 PM 0
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Bump will get you nowhere!

Look up AddForce and play with Forcemode etc.

avatar image flaviusxvii · Oct 08, 2013 at 07:42 PM 1
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Good work, meat.

@ashjack You have to try things. Post a new question if you get stuck again.

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