class CCDrawNode : public CCNode
{
    static CCDrawNode* create();

    CCDrawNode();

    virtual ~CCDrawNode();
    
    virtual bool init();

    void drawDot(const CCPoint &pos, float radius, const Color4F &color);
    
    void drawSegment(const CCPoint &from, const CCPoint &to, float radius, const Color4F &color);
        
    void clear();
    
    const BlendFunc& getBlendFunc() const;
    
    void setBlendFunc(const BlendFunc &blendFunc);
    
    virtual void draw();
};