Moving Instance

// Valkyrie Script - Gauntlet
// name

using UnityEngine;

public class ValkyrieScript : MonoBehaviour
{
    // Sprite Renderer
    private SpriteRenderer memberSpriteRenderer = null; // I don't know

    // I STILL don't know. Rigid Body.
    private Rigidbody2D memberRigidBody = null;

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

    // The prefab is a serialized field.
    [SerializeField] private GameObject memberSwordbeamPrefab = null;

    // This is my Swordbeam Cooldown.
    [SerializeField] private float memberCooldownDuration = 0.0f;
    private float memberCooldownTimer = 0.0f;

    // Box Collider?
    [SerializeField] private GameObject memberBoxCollider2D;

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

        // Get the sprite renderer from Unity.
        memberSpriteRenderer = this.GetComponent<SpriteRenderer>();

    }

    // 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;

         // Vectors are variables that mean positions.
        Vector3 localWhichPosition;

        // Valkyrie is in the middle.
        localWhichPosition = Vector3.zero;

        // Cardinals
        if (Input.GetKey(KeyCode.LeftArrow))
        {
            localWhichPosition = 2 * Vector3.left;
            memberSpriteRenderer.flipX = true;

        }
        else
       if (Input.GetKey(KeyCode.RightArrow))
        {
            localWhichPosition = 2 * Vector3.right;
            memberSpriteRenderer.flipX = false;
        }

        if (Input.GetKey(KeyCode.UpArrow))
        {
            localWhichPosition = 2 * Vector3.up;
            memberSpriteRenderer.flipY = true;

        }
        else
           if (Input.GetKey(KeyCode.DownArrow))
        {
            localWhichPosition = 2 * Vector3.down;
            memberSpriteRenderer.flipY = false;
        }

        // Diagonals
        if (Input.GetKey(KeyCode.RightArrow))
        {
            // The player is pressing the right key
            // so add right to the position so
            // the hero moves to the right.

            localWhichPosition += 3 * Vector3.right;

        }

        if (Input.GetKey(KeyCode.UpArrow))
        {
            // The player is pressing the up key so add up to the position so the hero moves up.
            localWhichPosition += 1 * Vector3.up;

        }

        if (Input.GetKey(KeyCode.LeftArrow))
        {
            // The player is pressing the left key so add up to the position so the hero moves left.
            localWhichPosition  += 3 * Vector3.left;
        }

        // Rotate sprite to simulate looking up or down
        if (verticalInput > 0)
            transform.rotation = Quaternion.Euler(0, 0, 90);
        else if (verticalInput < 0)
            transform.rotation = Quaternion.Euler(0, 0, -90);
        if (horizontalInput < 0)
            transform.rotation = Quaternion.Euler(0, 0, 0);
        else if (horizontalInput > 0)
            transform.rotation = Quaternion.Euler(0, 0, 0);

        if (Input.GetKey(KeyCode.DownArrow))
        {
            localWhichPosition += 1 * Vector3.down;
        }

        if (Input.GetKeyDown(KeyCode.Space))
        {
            // Swordbeam Prefab
            Vector3 localPosition = this.transform.position;;
            Instantiate(memberSwordbeamPrefab, localPosition, Quaternion.identity);

            // Reset the cooldown timer.
            memberCooldownTimer = memberCooldownDuration;
        }

    }
}
    /* This completes a script. */