How can i make the check_screen plane invisible . And also can i use mongoDB with playcanvas?
You can remove or disable the model component, it will then stop rendering.
Yes, you can use MongoDB in your server and use a Rest API to communicate with it in PlayCanvas.
I want it to be present , just invisible so that i can trigger collision component with it
That’s good, you can add a collision component for that. You don’t need a model component for the trigger.
Check the triggers example here for how that works: