Incrementor and Collision

// Hero Script - Adventure
// name

using UnityEngine;

public class HeroScript : MonoBehaviour
{
    // Set my Speed. If There is no speed, you can't move.
    [SerializeField] private float memberSpeed = 3.0f;

    // I still don't know. I'm assuming it calls the Sprite Renderer, but I don't know what null is.
    private SpriteRenderer memberSpriteRenderer = null;

    // I STILL don't know. Rigid Body.
    private Rigidbody2D memberRigidBody = null; // I don't know, I'll tell you later.

    // Green Key
    private bool memberHasGreenKey = false;

    // Orange Key
    private bool memberHasOrangeKey = false;

    // Master Key
    private bool memberHasMasterKey = false;

    // Score
    private int memberScore = 0;

    // Lance
    private bool memberHasLance = false;

    // Sword
    private bool memberHasSword = false;



    // Start is called before the first frame update
    void Start()
    {
        // Get the rigid body that we added in Unity.
        memberRigidBody = this.GetComponent<Rigidbody2D>();
    }

    // Update is called once per frame
    void Update()
    {
        // Which direction does the player want to go?
        // Assume the player doesn't want to move, so no direction.

        Vector3 localWhichDirection;
        localWhichDirection = Vector3.one;

        // Get movement input
        float horizontalInput = Input.GetAxis("Horizontal");
        float verticalInput = Input.GetAxis("Vertical");

        // Calculate movement direction
        Vector3 movementDirection = new Vector3(horizontalInput, verticalInput);

        // Apply movement
        memberRigidBody.velocity = movementDirection * memberSpeed;

        // Hero just collided with something.
        void OnCollisionEnter2D(Collision2D localCollision)
        {

                // What is the other object?
                GameObject localOtherObject = localCollision.gameObject;
            {

                // Is it a Green Key?
                if (localOtherObject.name.StartsWith("Green Key"))
                {
                    // Gain Green Key.
                    memberHasGreenKey = true;
                }

                // Is it a Coin?
                if (localOtherObject.name.StartsWith("Coin"))
                {
                    // Increase the score.
                    memberScore++;
                    print(memberScore);
                }

                // Is it an Orange Key?
                if (localOtherObject.name.StartsWith("Orange Key"))
                {
                    // Gain Orange Key
                    memberHasOrangeKey = true;
                }

                // Is it a Sword?
                if (localOtherObject.name.StartsWith("Sword"))
                {
                    memberHasSword = true;
                }







            }


        }

    }
}