Added custom hitAreaCallback for #6394

src/gameobjects/mesh/Mesh.js

@@ -364,6 +364,9 @@ var Mesh = new Class({
          */
         this.fov;
 
+        this.displayOriginX = 0;
+        this.displayOriginY = 0;
+
         var renderer = scene.sys.renderer;
 
         this.setPosition(x, y);
@@ -1146,6 +1149,73 @@ var Mesh = new Class({
         return this.setTint();
     },
 
+    /**
+     * Pass this Mesh Game Object to the Input Manager to enable it for Input.
+     *
+     * Unlike other Game Objects, the Mesh Game Object uses its own special hit area callback, which you cannot override.
+     *
+     * @example
+     * mesh.setInteractive();
+     *
+     * @method Phaser.GameObjects.Mesh#setInteractive
+     * @since 3.60.0
+     *
+     * @return {this} This GameObject.
+     */
+    setInteractive: function ()
+    {
+        this.scene.sys.input.enable(this, this.hitAreaCallback.bind(this));
+
+        return this;
+    },
+
+    /**
+     * The internal hit area callback for this Mesh.
+     *
+     * @method Phaser.GameObjects.Mesh#hitAreaCallback
+     * @since 3.60.0
+     *
+     * @return {this} This GameObject.
+     */
+    hitAreaCallback: function (area, x, y)
+    {
+        var faces = this.faces;
+
+        for (var i = 0; i < faces.length; i++)
+        {
+            var face = faces[i];
+
+            //  Don't pass a calcMatrix, as the x/y are already transformed
+            if (face.contains(x, y))
+            {
+                return true;
+            }
+        }
+
+        return false;
+    },
+
+    /**
+     * If this Mesh Game Object has previously been enabled for input, this will disable it.
+     *
+     * An object that is disabled for input stops processing or being considered for
+     * input events, but can be turned back on again at any time by simply calling
+     * `setInteractive()` with no arguments provided.
+     *
+     * If want to completely remove interaction from this Game Object then use `removeInteractive` instead.
+     *
+     * @method Phaser.GameObjects.Mesh#disableInteractive
+     * @since 3.60.0
+     *
+     * @return {this} This GameObject.
+     */
+    disableInteractive: function ()
+    {
+        this.scene.sys.input.disable(this);
+
+        return this;
+    },
+
     /**
      * Sets an additive tint on all vertices of this Mesh Game Object.
      *