BCE0023: No appropriate version of 'UnityEngine.Transform.LookAt' for the argument list '(UnityEngine.RaycastHit)' was found.

Question

I am trying to make a script for a rocket launcher with rockets that look towards where you point the mouse, so that if you hold the mouse over the target the rocket will aim towards it. I am using this code on the launcher:

 var hit: RaycastHit;
 if (Physics.Raycast(BarrelEnd.position, BarrelEnd.forward, hit)){
 rocketClone.SendMessage("track",hit);

which works fine

and this code on the rocket

function track(tracker : RaycastHit){ Transform.LookAt(tracker); }

which doesn't work. I am a noob to unity and can't find a way to fix this, so please could someone help.

Answer 1

Best Answer

Answer by aldonaletto · May 11, 2013 at 09:09 PM

You're trying to look at a RaycastHit structure, what will never work. Look at tracker.transform or tracker.point instead:

 function track(tracker: RaycastHit){
   transform.LookAt(tracker.transform); // it's transform, not Transform!
 }

This makes the object look at the hit object position. If you pass tracker.point, the object will look at the hit point.

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chronicfail · May 12, 2013 at 11:01 AM 0

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thank you, I will try it

chronicfail · May 12, 2013 at 11:14 AM 0

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the compile error is gone!

BCE0023: No appropriate version of 'UnityEngine.Transform.LookAt' for the argument list '(UnityEngine.RaycastHit)' was found.

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