1

So, I was looking through the Unity GUI system and noticed there’s a pixel border you can set of the image that isn’t scaled with the content inside it. Is there any way to do this with textures on say a scaled cube? I have found outline shaders but they only display the furthest edges, which in my case will be mostly hidden.

2

Came up with this, it gets the job done on cubes well enough

   using UnityEngine;
    using System.Collections;
    
    public class addTextureBorderByScale : MonoBehaviour {
    	public Texture2D t;
    	public int x;
    	public int y;
    	public bool useTransformScale = true;
    	public enum scaleTypes {XY,XZ,YZ};
    	public scaleTypes scaleAxis = scaleTypes.XZ;
    	public int scaleMod = 2;
    	// Use this for initialization
    	void Start () {
    	if(useTransformScale) { 
    			switch(scaleAxis) {
    			default:
    			case scaleTypes.XY:
    				x = (int)transform.localScale.x;
    				y = (int)transform.localScale.y;
    				break;
    
    			case scaleTypes.XZ:
    				x = (int)transform.localScale.x;
    				y = (int)transform.localScale.z;
    				break;
    
    			case scaleTypes.YZ:
    				x = (int)transform.localScale.y;
    				y = (int)transform.localScale.z;
    				break;
    
    			}
    		}
    
    		x = x*scaleMod;
    		y = y*scaleMod;
    
    		t = new Texture2D(x,y);
    		t.filterMode = FilterMode.Point;
    
    		for(int i = 0; i < y; i++) {
    			t.SetPixel(0,i,Color.clear);
    			t.SetPixel(x-1,i,Color.clear);
    		}
    		
    
    		for(int i = 0; i < x; i++) {
    			t.SetPixel(i,0,Color.clear);
    			t.SetPixel(i,y-1,Color.clear);
    		}
    
    		t.Apply();
    		//TextureScale.Point(t,1000,1000);
    		GetComponent<Renderer>().material.EnableKeyword("_EMISSION");
    		GetComponent<Renderer>().material.SetTexture("_EmissionMap",t);
    	}
    	
    	// Update is called once per frame
    	void Update () {
    	
    	}
    }