/// <summary>
/// Call this function to change the fuel the rocket uses.
/// Different fuels affect the impulse provided and cost of the rocket.
/// </summary>
/// <param name="value">The index of the fuel type to use.</param>
public void SetFuelType(int value)
{
currentFuelIndex = value;
UIManager.Instance.UpdateFuelType(rocketFuels[value]);
rocket.SetImpulse(rocketFuels[value].impulsePerWeight);
UpdateBudget();
}