public virtual void Update(double dt)
{
ElapsedTime += dt;
if (IsPrograde)
{
DVector2 prograde = SpaceCraft.GetRelativeVelocity();
prograde.Normalize();
SpaceCraft.SetRotation(prograde.Angle());
}
if (IsRetrograde)
{
DVector2 retrograde = SpaceCraft.GetRelativeVelocity();
retrograde.Negate();
retrograde.Normalize();
SpaceCraft.SetRotation(retrograde.Angle());
}
}
// Interpolate between current and target orientation over the duration
public override void Update(double elapsedTime, ISpaceCraft spaceCraft)
{
DVector2 prograde = spaceCraft.GetRelativeVelocity();
prograde.Normalize();
double retrogradeAngle = prograde.Angle();
double adjustRatio = (elapsedTime - StartTime) / _adjustmentTime;
if (adjustRatio > 1)
{
spaceCraft.SetRotation(retrogradeAngle);
}
else
{
double interpolatedAdjust = _curentOrientation * (1 - adjustRatio) + retrogradeAngle * adjustRatio;
spaceCraft.SetRotation(interpolatedAdjust);
}
}
