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Question by camfox · Aug 14, 2013 at 07:30 PM · raycastjavajava-is-not-javascript

Raycasting Problems...

I am writing a script to hopefully move an object to the position of the Raycast hit but it doesn't seem to be working and whatever alternative I try, it still doesn't work. Please can anyone help? Thanks.

 var CameraDistance:float;
 var MaxCameraDistance:float = 10;
 var Move:Transform;
 
 function Start()
 {
     CameraDistance = Camera.main.GetComponent("MouseOrbit").distance;
 }
 
 function Update()
 {
     var RotateTo = Camera.main.transform.position-gameObject.transform.position;
     var hit:RaycastHit;
     var ray = gameObject.transform.position;
     
     if(Physics.Raycast(ray,hit.point,MaxCameraDistance))
     {
         if(hit.collider)
         {
             Move.position = hit.point;
         }
     }
     
     Debug.DrawRay(gameObject.transform.position,RotateTo);
 }
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avatar image save · Aug 14, 2013 at 07:32 PM 0
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Could it be that you set the distance too short? Try adding:

 CameraDistance = Camera.main.GetComponent("$$anonymous$$ouseOrbit").distance+1;

Other than that your ray seem a bit suspect. You need a direction as well. For instance:

 var ray = Camera.main.ScreenPointToRay (Input.mousePosition);

or

 var ray : Ray; 
 ray.origin = transform.position;
 ray.direction = Vector3.forward;


 


avatar image camfox · Aug 14, 2013 at 07:57 PM 0
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I know it's not the distance because I have the camera set to the same distance as the as the $$anonymous$$ouseOrbit distance and the object which is supposed to intersect the raycast is infront of the camera.

I don't know if I can use the ScreenPointToRay because I want the Raycast to start from the game object but I don't know if i'm right?

Thanks, ill try your suggestion

avatar image IgorAherne · Aug 14, 2013 at 08:11 PM 0
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xD No guys, you've set the $$anonymous$$ove variable, but you didn't use it to change the position.

Check my answer below and please follow the forum link below. Thank you :)

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Answer by IgorAherne · Aug 14, 2013 at 08:08 PM

 var CameraDistance:float;
 var MaxCameraDistance:float = 20;
 var Move:Transform;
  
 function Start()
 {
     CameraDistance = Camera.main.GetComponent("MouseOrbit").distance;
 }
  
 function Update()
 {  
     var hit:RaycastHit;
     var ray = gameObject.transform.position;
  
     if(Physics.Raycast(ray,hit.point,MaxCameraDistance))
     {
        if(hit.collider)
        {
          Move.position = hit.point;
        }
      transform.postion = Vector3.Lerp(transform.position, Move.position, Time.deltaTime*2);
     }// end Raycast
 } // end Update()

Please check this as well :) http://forum.unity3d.com/threads/191923-Full-corse-how-to-make-a-horror-game-AVAILABLE

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