using UnityEngine;

public class Highlighter : MonoBehaviour
{
    public Renderer targetRenderer;
    public Color highlightColor = Color.yellow;
    public float outlineWidth = 0.1f; // Make this bigger for a thicker outline

    private MaterialPropertyBlock propBlock;
    private Color originalColor;
    private float originalOutlineWidth;

    void Awake()
    {
        if (targetRenderer == null)
            targetRenderer = GetComponent<Renderer>();
        propBlock = new MaterialPropertyBlock();
        if (targetRenderer != null)
        {
            targetRenderer.GetPropertyBlock(propBlock);
            originalColor = propBlock.GetColor("_OutlineColor");
            originalOutlineWidth = propBlock.GetFloat("_OutlineWidth");
        }
    }

    public void Highlight(bool on)
    {
        if (targetRenderer == null) return;
        targetRenderer.GetPropertyBlock(propBlock);
        propBlock.SetColor("_OutlineColor", on ? highlightColor : originalColor);
        propBlock.SetFloat("_OutlineWidth", on ? outlineWidth : originalOutlineWidth);
        targetRenderer.SetPropertyBlock(propBlock);
    }
}