From 1b7cbcbfb15705d301519e6ec65048068d75832a Mon Sep 17 00:00:00 2001
From: Michael Kauzmann <michael.kauzmann@colorado.edu>
Date: Mon, 9 Jan 2023 16:58:16 -0700
Subject: [PATCH] required options can't have defaults in optionize defaults,
 https://github.com/phetsims/chipper/issues/1360

---
 js/common/model/IdealGasLawModel.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/js/common/model/IdealGasLawModel.ts b/js/common/model/IdealGasLawModel.ts
index ddffd318..a0ff427a 100644
--- a/js/common/model/IdealGasLawModel.ts
+++ b/js/common/model/IdealGasLawModel.ts
@@ -166,7 +166,8 @@ export default class IdealGasLawModel extends BaseModel {
     if ( options.hasCollisionCounter ) {
       this.collisionCounter = new CollisionCounter( this.collisionDetector, {
         position: new Vector2( 40, 15 ), // view coordinates! determined empirically
-        tandem: tandem.createTandem( 'collisionCounter' )
+        tandem: tandem.createTandem( 'collisionCounter' ),
+        visible: true
       } );
     }