how to change the size of a box collider in c#

Question

im using a box collider but i want to change its size for when a new objects equiped so i was wondering how i can change a box collider size in c#

Answer 1

Best Answer

Answer by Blazor Ramone · Feb 24, 2012 at 11:46 PM

 BoxCollider b = someGameObject.collider as BoxCollider;
 if(b != null)
 {
     b.size = new Vector(1.0f, 1.0f, 1.0f);
 }
 //something like this should work

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Blazor Ramone · Feb 24, 2012 at 11:53 PM 1

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technically you don't need gameObject in there, or you may need to get a reference to the collider on another game object...

quantumarchi · Feb 25, 2012 at 01:17 AM 0

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thank you ... turns out i was just missing the new bit thats why i was getting errors so thank you very much :D

Teddypwnage · Jul 13, 2013 at 01:08 PM 0

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this worked great! thank you

MrMoonWalkingBear · Nov 25, 2014 at 07:27 PM 0

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Finally found answer to my problem thank you :D

Answer 2

Answer by MartinH8921 · Jan 25 at 01:54 AM

In 2022, the code provided by the previous answer is no longer working. The following code worked for me:

     BoxCollider col;
 
     void Start()
     {
         col = GetComponent<BoxCollider>(); 
     }
 
     private void OnMouseDown()
     {  
         if(col != null)
         {
              col.size = new Vector3(.5f, 1f, .5f);
         }
     }

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MartinH8921 · Jan 25 at 02:07 AM 0

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I should also mention that I'm using Unity version 2020.3.16f LTS

how to change the size of a box collider in c#

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