void ApplyGravity()
{
    if (isGravityDirectionSelected)
    {
        rb.useGravity = false;
        // Apply the new gravity direction relative to the player's rotation
        Vector3 adjustedGravityDirection = transform.TransformDirection(newGravityDirection);
        Physics.gravity = adjustedGravityDirection * Physics.gravity.magnitude;

        // Update the player's orientation
        UpdatePlayerOrientation(adjustedGravityDirection);

        // Update the camera's orientation
        UpdateCameraOrientation();

        // Reset the gravity application state
        ResetGravity();
    } else
    {
        rb.useGravity = true;
    }
}