public override void Update(IGameTimeService gameTime)
{
base.Update(gameTime);
float lifeFraction = (TimeKeeper.MsSinceInitialization - _creationTime) / Stats.Lifetime;
float gravFraction = 1 - Stats.NonGravityFraction;
_gravityObject.Position = Position;
if (lifeFraction > Stats.NonGravityFraction)
{
_gravityObject.Gravitate(bodiesInArea);
}
//Check if its time to flip gravity
if (_currentFlipPoint < flipPoints.Count)
{
if (lifeFraction > flipPoints[_currentFlipPoint])
{
float gravVal = (Stats.FinalGravityVal - Stats.InitialGravityVal) / Stats.NumFlips * (_currentFlipPoint + 1);
_gravityObject.GravVal *= -1 * Math.Sign(_gravityObject.GravVal) * gravVal;
_currentFlipPoint++;
}
}
}