When a user clicks on a 3D object, we need to first check whether the clicked object is an answer object. If it is, this collected object will be hidden from view and a list of collected objects will be updated along with the total number to keep track of the user's progress in the game.
To check whether the clicked VR object is an answerObject, we will use the indexOf method to find a match in the answerObjects array:
let match = this.state.game.answerObjects.indexOf(vrObject)
If the vrObject is an answerObject, indexOf will return the array index of the matched object, otherwise it will return -1 if no match is found.
To keep track of collected objects in the game, we will also maintain an array of ...
