Method reset

physx/samples/samplebase/SampleStepper.h:193–193

	virtual void	substepStrategy(const PxReal stepSize, PxU32& substepCount, PxReal& substepSize);
	virtual void	reset() { mAccumulator = 0.0f; }
	
	virtual void	setSubStepper(const PxReal stepSize, const PxU32 maxSteps) { mFixedSubStepSize = stepSize; mMaxSubSteps = maxSteps;}