class ASinEquation : public DiscreteEquation{public:    ASinEquation()    {        m_StartX = 0.0f;        m_StartY = PI*0.5f;        m_ParamA = 0.5f;        m_ParamB = 1.0f;    }    void IterateValue(float x, float y, float& outX, float& outY) const    {        outX = x+0.00025f;        outY = m_ParamA*sinf(m_ParamB*y);    }    bool IsValidParamA() const {return true;}    bool IsValidParamB() const {return true;}};