How can i flip a plane mesh?

I have a plane mesh that needs to be flipped at the start of the program so it faces the right direction.

I have written this code:

Code (CSharp):

1. public class Flip : MonoBehaviour
2. {
3.     public Plane p;
4.     void Start()
5.     {
6.         p.Flip();
7.     }
8. }

Is this the right way to do this,and if it is,how do i access the plane in question?(the Plane p does not show up in the inspector window)?

 

why not flip the holding gameobject of the mesh ?

EDIT: if the mesh is procedural and not appear anywhere, then you have to do a 3D rotation to the mesh vertices i suppose. Or maybe just flipping the normals could work.

 

how do i flip a gameobject?Is that a seperate function?GameObject.Flip() does not exist.

 

The

Plane

struct isn't the mesh. It's not even something that can be rendered. It's a

Vector4

value that's a normal and offset from the coordinate space center for an analytical plane. I.E.: It's for doing math stuff.

If you're using the plane mesh created via GameObject > 3D Object > Plane, that's a Game Object with a Mesh Renderer component that's using the built in Mesh asset named Plane. Same name, but totally unrelated. If you want to "flip" that mesh, what you actually want to do is rotate the X or Z by 180 degrees, or invert the Y scale the game object's transform.

Code (csharp):

1. public class Flip : MonoBehaviour
2. {
3.     public Transform target;
4.     void Start()
5.     {
6.         target.scale = target.scale * new Vector3(1f, -1f, 1f);
7.     }
8. }

You could of course also just manipulate the game object in the editor before hand rather than using a script.

 

Thanks so much!A very simple solution for a problem that i overengineered for multiple hours before asking this question