First steps

Assets/Scripts/UI/TestIndicator.cs

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+using UnityEngine;
+
+public class TestIndicator : MonoBehaviour, PuzzleS.IPuzzlePrompt
+{
+    // Start is called once before the first execution of Update after the MonoBehaviour is created
+    void Start()
+    {
+        
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+
+    public void ShowFar()
+    {
+        gameObject.SetActive(true);
+    }
+
+    public void ShowClose()
+    {
+        gameObject.transform.localScale = new Vector3(-0.2f, 0.2f, 0.2f);
+    }
+
+    public void HideClose()
+    {
+        gameObject.transform.localScale = new Vector3(-0.1f, 0.1f, 0.1f);
+    }
+
+    public void HideFar()
+    {
+        gameObject.SetActive(false);
+    }
+}

Assets/Scripts/UI/TestIndicator.cs.meta

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+fileFormatVersion: 2
+guid: 7a691a95f74c07245b64469dda594bfb