TO SQUASH: main menu progress.

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Assets/Scenes/MainMenu.unity

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Assets/Scripts/MainMenu/MenuButton.cs

@@ -0,0 +1,51 @@
+using UnityEngine;
+using UnityEngine.InputSystem;
+
+public class MenuButton : MonoBehaviour
+{
+    public bool isButtonPressed = false;
+
+    public Animator keyAnimator;
+
+    private SpriteRenderer spriteRenderer;
+
+    private Collider2D boxCollider;
+
+    private static Color transparent = new Color(1f, 1f, 1f, 0f);
+
+    private static Color opaque = new Color(1f, 1f, 1f, 1f);
+
+    // Start is called once before the first execution of Update after the MonoBehaviour is created
+    void Start()
+    {
+        spriteRenderer = GetComponent<SpriteRenderer>();
+        boxCollider = GetComponent<Collider2D>();
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        if (Mouse.current.leftButton.wasPressedThisFrame)
+        {
+            Vector2 mousePosition = Mouse.current.position.ReadValue();
+            Vector2 worldMousePosition = Camera.main.ScreenToWorldPoint(mousePosition);
+
+            if (boxCollider.OverlapPoint(worldMousePosition))
+            {
+                isButtonPressed = true;
+                keyAnimator.SetTrigger("buttonChanged");
+            } else {
+                isButtonPressed = false;
+            }
+        }
+
+        if (isButtonPressed)
+        {
+            spriteRenderer.color = opaque;
+        }
+        else
+        {
+            spriteRenderer.color = transparent;
+        }
+    }
+}

Assets/Scripts/MainMenu/MenuButton.cs.meta

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+fileFormatVersion: 2
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Assets/Scripts/MainMenu/MenuKey.cs

@@ -0,0 +1,35 @@
+using UnityEngine;
+
+public class MenuKey : MonoBehaviour
+{
+    public AudioClip keyTurnOpen;
+
+    public AudioClip keyTurnClose;
+
+    private AudioSource audioSource;
+
+    private Animator animator;
+
+    // Start is called once before the first execution of Update after the MonoBehaviour is created
+    void Start()
+    {
+        audioSource = GetComponent<AudioSource>();
+        animator = GetComponent<Animator>();
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+
+    public void playKeyTurnOpen(int _)
+    {
+        audioSource.PlayOneShot(keyTurnOpen);
+    }
+
+    public void playKeyTurnClose(int _)
+    {
+        audioSource.PlayOneShot(keyTurnClose);
+    }
+}

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