Add isPaused() methods to ScenePlugin, SceneManager

src/scene/SceneManager.js

@@ -911,6 +911,28 @@ var SceneManager = new Class({
         return null;
     },
 
+    /**
+     * Determines whether a Scene is paused.
+     *
+     * @method Phaser.Scenes.SceneManager#isPaused
+     * @since 3.17.0
+     *
+     * @param {string} key - The Scene to check.
+     *
+     * @return {boolean} Whether the Scene is paused.
+     */
+    isPaused: function (key)
+    {
+        var scene = this.getScene(key);
+
+        if (scene)
+        {
+            return scene.sys.isPaused();
+        }
+
+        return null;
+    },
+
     /**
      * Determines whether a Scene is visible.
      *

src/scene/ScenePlugin.js

@@ -693,6 +693,23 @@ var ScenePlugin = new Class({
         return this.manager.isActive(key);
     },
 
+    /**
+     * Checks if the given Scene is paused or not?
+     *
+     * @method Phaser.Scenes.ScenePlugin#isPaused
+     * @since 3.17.0
+     *
+     * @param {string} [key] - The Scene to check.
+     *
+     * @return {boolean} Whether the Scene is paused.
+     */
+    isPaused: function (key)
+    {
+        if (key === undefined) { key = this.key; }
+
+        return this.manager.isPaused(key);
+    },
+
     /**
      * Checks if the given Scene is visible or not?
      *