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Question by vlab22 · Jun 11, 2020 at 02:55 PM · boxcollider

Inner Mesh BoxCollider

alt text


When we add a BoxCollider, it's auto-adjusts out of the mesh (outer bounds).

How to create a BoxCollider inner the mesh? Automatically or via script

help-01.png (30.4 kB)
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Answer by streeetwalker · Jun 11, 2020 at 06:07 PM

@vlab22, have you tried changing the size and center vectors in the box collider inspector?

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avatar image vlab22 · Jun 11, 2020 at 06:28 PM 0
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Sorry, I didn't explain that I want an automatic solution.

avatar image streeetwalker vlab22 · Jun 11, 2020 at 06:32 PM 1
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@vlab22 There is no 'automatic solution". Are you talking about doing this at runtime, or in the editor?

Either way, you'd have to code one in, and do to that then you have to be able to define what an automatic solution would look like. How much smaller and where within the mesh do you want it centered? You'd have to be able to generalize parameters you need to create an automatic solution.

avatar image streeetwalker vlab22 · Jun 11, 2020 at 06:38 PM 1
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@vlab22, to continue - you can access a gameObject's boxCollider component, and then use the alter size and center vectors. for example

 // drag your game object to the inspector field to get a reference
 public GameObject gO;
 
 void Start() {
     BoxCollider bC = gO.GetComponent<BoxCollider>();
     bC.size = new Vector3( 1f, 0.5f, 2f );
     // and so on with the center property of the collider
 }

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