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Question by PvTGreg · Mar 06, 2015 at 08:12 PM · raycast

adding range onto 2d raycast

Hi how do i add range onto a 2d raycast?

 RaycastHit2D hit = Physics2D.Raycast(BackwardPos.position, -Vector2.up);
                 Debug.DrawLine (transform.position, hit.point, Color.red);
                 if(hit.transform.tag == "Player") {
                     hitobj = hit.transform.gameObject;
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avatar image PvTGreg · Mar 07, 2015 at 11:04 PM 0
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so how is this done?

avatar image PvTGreg · Mar 08, 2015 at 06:44 PM 0
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how is it done?

avatar image PvTGreg · Mar 09, 2015 at 07:24 AM 0
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so i take it nobody has ever done this?

avatar image Mansmart10 · Oct 31, 2016 at 03:03 PM 0
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i have a problem where i implement the range but it doesn't work i dont know why here is my problem http://answers.unity3d.com/questions/1263540/racasthit2d-range-not-working.html

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Answer by alok-kr-029 · Mar 09, 2015 at 07:54 AM

RaycastHit2D hit=Physics2D.Raycast(BackwardPos.position, -Vector2.up,1f);

where 1f is the range of the ray ,you cannot specify the range of the Debug.ray

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avatar image PvTGreg · Mar 09, 2015 at 09:41 AM 0
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thank you.

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Answer by Rude_Squash · Mar 06, 2015 at 09:06 PM

It is the third parameter of Physics2D.Raycast.

http://docs.unity3d.com/ScriptReference/Physics2D.Raycast.html

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avatar image PvTGreg · Mar 06, 2015 at 09:12 PM 0
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yeah but how do i implement it

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