混沌数学之Feigenbaum模型

// http://wenku.baidu.com/view/a70190fe04a1b0717fd5ddeb.html
class FeigenbaumEquation : public DiscreteEquation
{
public:
    FeigenbaumEquation()
    {
        m_StartX = 0.0f;
        m_StartY = 0.25f;

        m_ParamA = 0.5f;
    }

    void IterateValue(float x, float y, float& outX, float& outY) const
    {
        outX = x+0.00025f;
        outY = m_ParamA*sinf(PI*y);
    }

    bool IsValidParamA() const {return true;}
};