LD50/Assets/Scripts/PlayerController.cs

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.InputSystem;

public class PlayerController : MonoBehaviour
{
    private Rigidbody2D rb;
    private SpriteRenderer sr;
    private Camera main;
    
    //Input
    private PlayerInput input;
    private InputAction moveAction;
    private InputAction fightAction;
    
    private Vector2 moveDirection;
    private float moveSpeed = 5f;
    

    // Start is called before the first frame update
    private void Awake()
    {
        rb = this.gameObject.GetComponent<Rigidbody2D>();
        input = this.gameObject.GetComponent<PlayerInput>();
        moveAction = input.actions["Move"];
        fightAction = input.actions["Fight"];
        
        //Input events
        moveAction.performed += ctx => Move(ctx.ReadValue<Vector2>());
        moveAction.canceled += ctx => Move(Vector2.zero);
        main = Camera.main;
    }

    private void FixedUpdate()
    {   
        //Update move direction
        rb.MovePosition(rb.position + moveDirection * moveSpeed * Time.fixedDeltaTime);
    }

    private void Update()
    {
        //Update the sprite direction based on mouse position
        Vector2 mousePos = main.ScreenToWorldPoint(Mouse.current.position.ReadValue());
        Vector2 direction = mousePos - (Vector2)transform.position;
        float angle = Mathf.Atan2(direction.y, direction.x) * Mathf.Rad2Deg;
        transform.rotation = Quaternion.AngleAxis(angle, Vector3.forward);
    }

    //update the move direction
    void Move(Vector2 direction) => moveDirection = direction;
}