feat: Player script updates - ground check, flip, animations, and study notes

Assets/Player.cs

@@ -2,16 +2,93 @@ using UnityEngine;
 
 public class Player : MonoBehaviour
 {
-    public Rigidbody2D rb;
-    // Start is called once before the first execution of Update after the MonoBehaviour is created
-    void Start()
+    private Animator anim;
+    private Rigidbody2D rb;
+
+    [Header("Movement details")]
+    [SerializeField] private float moveSpeed = 4.58f;
+    [SerializeField] private float jumpForce = 12;
+    private bool facingRight = true;
+    private float xInput;
+
+    [Header("Collision details")]
+    [SerializeField] private float groundCheckDistance;
+    [SerializeField] private LayerMask whatIsGround;
+    private bool isGrounded;
+
+    private void Awake()
     {
-        
+        rb = GetComponent<Rigidbody2D>();
+        anim = GetComponentInChildren<Animator>();
     }
 
-    // Update is called once per frame
-    void Update()
+    private void Update()
+
     {
-        rb.linearVelocity = new Vector2(Input.GetAxis("Horizontal"), rb.linearVelocityY);
+        HandleCollision();
+        HandleInput();
+        HandleMovement();
+        HandleAnimations();
+        HandleFlip();
     }
+
+    private void HandleInput()
+    {
+        xInput = Input.GetAxisRaw("Horizontal");
+
+        if (Input.GetKeyDown(KeyCode.K))
+        {
+            jump();
+        }
+    }
+
+
+    private void HandleAnimations()
+    {
+        bool isMoving = rb.linearVelocity.x != 0;
+        anim.SetBool("isMoving", isMoving);
+    }
+
+    private void HandleMovement()
+    {
+        rb.linearVelocity = new Vector2(xInput * moveSpeed, rb.linearVelocity.y);
+    }
+
+    private void jump()
+    {
+        if (isGrounded)
+        {
+            rb.linearVelocity = new Vector2(rb.linearVelocity.x, jumpForce);
+        }
+    }
+
+    private void HandleCollision()
+    {
+        isGrounded = Physics2D.Raycast(transform.position, Vector2.down, groundCheckDistance, whatIsGround);
+    }
+
+    private void HandleFlip()
+    {
+        if(rb.linearVelocity.x > 0 && facingRight == false)
+        {
+            Flip();
+        }
+        else if (rb.linearVelocity.x < 0 && facingRight == true)
+        {
+            Flip();
+        }
+    }
+
+    private void Flip()
+    {
+        transform.Rotate(0, 180, 0);
+        facingRight = !facingRight;
+    }
+
+    private void OnDrawGizmos()
+    {
+        Gizmos.DrawLine(transform.position, transform.position + new Vector3(0, -groundCheckDistance));
+    }
+
+
 }