private void applyAcceleration(Planet thePlanetToMove)
{
var aAccWithMass = new Point(thePlanetToMove.Acceleration.X / thePlanetToMove.Mass, thePlanetToMove.Acceleration.Y / thePlanetToMove.Mass);
thePlanetToMove.Location = MathHelper.AddPoints(thePlanetToMove.Location, aAccWithMass);
thePlanetToMove.IsDoomed = hasPlanetCrossedEventHorizon(thePlanetToMove.Location);
}
private void updateAcceleration(Planet thePlanetToUpdate, Planet theOtherPlanet)
{
var aDiff = MathHelper.GetDiffVector(thePlanetToUpdate.Location, theOtherPlanet.Location);
var aDistance = MathHelper.GetDistance(thePlanetToUpdate.Location, theOtherPlanet.Location);
var aNorm = (aDistance * aDistance * aDistance);
var aNewAcc = new Point(Universe.Configuration.GravitationConstant * thePlanetToUpdate.Mass * theOtherPlanet.Mass * aDiff.X / aNorm,
Universe.Configuration.GravitationConstant * thePlanetToUpdate.Mass * theOtherPlanet.Mass * aDiff.Y / aNorm);
if (aDistance > Universe.Configuration.CollisionThreshold)
{
thePlanetToUpdate.Acceleration = MathHelper.AddPoints(thePlanetToUpdate.Acceleration, aNewAcc);
}
else
{
// nothing
}
}