« Top Down Controller Unity » Code Réponse

Rigidbody2D body;

float horizontal;
float vertical;

public float runSpeed = 20.0f;

void Start ()
{
   body = GetComponent(); 
}

void Update ()
{
   horizontal = Input.GetAxisRaw("Horizontal");
   vertical = Input.GetAxisRaw("Vertical"); 
}

private void FixedUpdate()
{  
   body.velocity = new Vector2(horizontal * runSpeed, vertical * runSpeed);
}