유니티 C# 2D 물리 점프 간단 구현 Unity Rigidbody2D Jump

• 코드 작성

using UnityEngine;

public class PlayerController : MonoBehaviour
{
    public float jumpForce = 10f;
    public float moveSpeed = 5f;
    public float groundCheckRadius = 0.2f;
    public LayerMask whatIsGround;
    public Transform groundCheck;

    private Rigidbody2D rb;
    private bool isGrounded = false;

    void Start()
    {
        rb = GetComponent<Rigidbody2D>();
    }

    void FixedUpdate()
    {
        isGrounded = Physics2D.OverlapCircle(groundCheck.position, groundCheckRadius, whatIsGround);

        float horizontalInput = Input.GetAxis("Horizontal");
        rb.velocity = new Vector2(horizontalInput * moveSpeed, rb.velocity.y);

        if (isGrounded && Input.GetKeyDown(KeyCode.Space))
        {
            rb.velocity = new Vector2(rb.velocity.x, jumpForce);
        }
    }
}