Steppers, ForwardFixedInterpolated vs ExactVariable

I decided to simplify my question a bit to break my problems down in even smaller pieces... I also noticed some errors in the figures I posted, but I'll just blame that on the late hour

I'd like to know what the parameters to the steppers really mean. The code isn't very well commented and I'm not 100% sure about what has an impact on what.

Also, what are the major differences between the steppers at both high and low fps. (Over/under sampling, stability etc)

it's been a while since dont use OgreOde (but i used the same release you have). I remember that the only stepper that worked ok for me was the "ForwardFixedStepHandler".

Try this one

I had this code:

Real const time_step = 0.01;
Real const frame_rate = 1.0 / 60.0;
Real const max_frame_time = 1.0 / 4.0;
Real const time_scale = 1.0;
mStepper = new OgreOde::ForwardFixedStepHandler(
mWorld,
StepHandler::QuickStep,
time_step,
max_frame_time,
time_scale );

mStepper->setAutomatic( StepHandler::AutoMode_NotAutomatic, mRoot );
// Register it with the stepper, so we can (for example) add forces before each step
mStepper->setStepListener( mLightningWheels );


and then in the frame ended:

bool PlayState::frameEnded(GameManager* game, const FrameEvent& evt)
{
....
// physic simulation
Real timeStep = evt.timeSinceLastFrame * 1.5;
mStepper->step( timeStep );
mWorld->synchronise();
....
}


i'm doing a racing game so speeding by 1.5 the timestep to make it more funny.