/// <summary>
/// Coin spanws from inside a box and is automatically collected.
/// </summary>
public void Spawn(Vector3 spawnForce)
{
isBrickCoin = true;
rigidbody.useGravity = true;
rigidbody.AddForce(spawnForce, ForceMode.VelocityChange);
StartCoroutine(DoAutoCollect());
HitBox box = GameObject.FindObjectOfType(typeof(HitBox)) as HitBox;
if (box != null)
{
box.Collect(this);
}
}