How do change the mesh of a game object

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I have a game-object which would 'transform' to another mesh when a button is pressed. How does I assign the new mesh with one that I have already loaded into the Unity3D project structure?

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Answer by AliAzin · Sep 08, 2010 at 11:59 AM

you can change MeshFilter.mesh .

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silverwizard · Oct 21, 2013 at 12:54 PM 1

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Sorry to resurrect an old thread, but I'm facing a problem with that... The prefab I am taking the mesh FRO$$anonymous$$ ends up losing the mesh. The mesh (a cube) gets applied to an object on the stage (a cylinder). At first glance, it seems to work, i.e. I can see the mesh changing. However, the cube mesh is ERASED from the cube prefab permanently - until I manually reassign a cubic mesh in the Inspector window. How can I prevent this from happening?

Here is the code I am using: using UnityEngine; using System.Collections;

 public class cameraCheck : $$anonymous$$onoBehaviour {
     
     public GameObject initialObject;
     public GameObject swapObject;
         
     $$anonymous$$esh initial$$anonymous$$esh;
     $$anonymous$$esh swap$$anonymous$$esh;
     
     GameObject theTarget;
 
     // Use this for initialization
     void Start () {
         
         theTarget = initialObject;
         
         initial$$anonymous$$esh = initialObject.GetComponent<$$anonymous$$eshFilter>().mesh;
         swap$$anonymous$$esh = swapObject.GetComponent<$$anonymous$$eshFilter>().mesh;
             
         theTarget.GetComponent<$$anonymous$$eshFilter>().mesh = swap$$anonymous$$esh;
     }

}

meat5000 ♦ silverwizard · Oct 21, 2013 at 01:03 PM 0

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$$anonymous$$ake a backup. These functions $$anonymous$$eshFilter.mesh and $$anonymous$$eshFilter.shared$$anonymous$$esh can permanently change an asset.

$$anonymous$$ake sure that it ends with a mesh loaded in and not No mesh and make sure you aren't Destroying it in the prefab.

Perhaps submit this as a new question.

silverwizard silverwizard · Oct 21, 2013 at 02:22 PM 0

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yes, but in this case it's the mesh of the prefab I am copying FRO$$anonymous$$ that gets destroyed. Please note that I am not "writing" anything to that object. I am just storing it in a variable, and then I am applying the variable to the other object. Why is it that the mesh I copied gets removed? It's analogous to copying (not moving) a file and then finding out that it no longer exists in the original location.

eric_unity45 silverwizard · Sep 21, 2018 at 02:29 AM 0

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Sorry to Necro your necro but I didn't see a satisfactory answer. Because you didn't clone it you assigned it. If you look up instantiate it is the unity equivalent of object.clone the = assigns it does not create equivalent copies. SendInTheClones.GetComponent().mesh = Instantiate(objOriginal.GetComponent().mesh); Tested it with a raw cube and turned it into a little white piggy without deleting the original

How do change the mesh of a game object

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