#pragma strict
// BirdControl.js
// stuff goes here...

function FixedUpdate() {
    // ...
    if (h > 0) {
        rigidbody2D.velocity = new Vector2(speed, rigidbody2D.velocity.y);
    } else if (h < 0) {
        rigidbody2D.velocity = new Vector2(-speed, rigidbody2D.velocity.y);
    } else
        rigidbody2D.velocity = new Vector2(0, rigidbody2D.velocity.y);
}