added basic pause menu

Assets/Scripts/PauseController.cs

@@ -0,0 +1,30 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.InputSystem;
+
+public class PauseController : MonoBehaviour
+{
+
+    public bool isPaused = false;
+    public GameObject pauseMenuCanvas;
+
+    void Awake() {
+        TogglePauseMenu(false);
+    }
+
+    void OnPause() {
+        if (!isPaused) {
+            Time.timeScale = 0;
+            TogglePauseMenu(true);
+        } else {
+            Time.timeScale = 1;
+            TogglePauseMenu(false);
+        }
+        isPaused = !isPaused;
+    }
+
+    void TogglePauseMenu(bool showPauseMenu) {
+        pauseMenuCanvas.SetActive(showPauseMenu);
+    }
+}

Assets/Scripts/PauseController.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: cfde94a1d6dbc4cb49a9a7530cb6f6e0
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/PlayerBehavior.cs

@@ -132,11 +132,14 @@ public class PlayerBehavior : MonoBehaviour
     }
 
     void LetGoOfGrapple() {
-        if (tambourine != null && grapplingRope.isGrappling)
-            {
+        bool currentlyPaused = GameObject.Find("PauseMenu").GetComponent<PauseController>().isPaused;
+        if (grapplingRope.isGrappling && !currentlyPaused) {
+            print("currently paused is " + currentlyPaused + ", releasing grapple");
+            if (tambourine != null) {
                 tambourine.GetComponent<TambourineBehavior>().DestroySelf();
             }
             grapplingGun.ReleaseGrapple();
+        }
     }
 
     void OnTriggerEnter2D(Collider2D col)