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Question by steveo1357 · Dec 02, 2013 at 04:17 AM · raycastvector3variabledistance

Distance Variable Won't Change. What's Wrong With My Script?

When I play my game and click the mouse button the distance variable should change, but it stays at zero. What am I doing wrong?alt text

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avatar image AlejandroGorgal · Dec 02, 2013 at 04:28 AM 1
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That looks like the damage script from Brackey's tutorial, you need to have some object with a collider on your scene for it to actually hit something.

avatar image clunk47 · Dec 02, 2013 at 05:23 AM 1
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Also, if this is the actual code you're using, use a lower-case 'd' on

 var distance : float;
avatar image clunk47 · Dec 04, 2013 at 01:57 AM 0
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Please keep us posted on a resolution.

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Answer by clunk47 · Dec 02, 2013 at 04:26 AM

Please be more specific. Is this an FPS? Are you trying to click on an object using the mouse cursor or the center of the camera's view??? If the distance variable isn't changing, you must not be moving. If you're not moving, and are clicking on different objects at different distances, you need to use a ray.

 #pragma strict 
 
 var distance : float;
 var hit : RaycastHit;
 var ray : Ray;
 
 function Update()
 {
     ray = Camera.main.ScreenPointToRay(Input.mousePosition);
     if(Physics.Raycast(ray, hit) && Input.GetButtonDown("Fire1"))
     {
         distance = Vector3.Distance(transform.position, hit.transform.position);
         print(distance);
     }
 }
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