#ifndef GRAPHICS_FL_H
#define GRAPHICS_FL_H

#include <vector>
#include <cocos\math\Vec2.h>
#include <cocos\base\ccTypes.h>
#include <cocos\2d\CCScene.h>
#include <cocos\2d\CCSprite.h>

USING_NS_CC;

typedef unsigned int uint;

static float random()
{
    static const float maxRand = RAND_MAX;
    return (((float)rand()) / maxRand);
}

class GraphicsObj
{
    // Triangulate a polygon, places results in STL vector
    static bool Process( const std::vector<Vec2> &polygon_verts,
                               std::vector<Vec2> &triangle_verts );

    static float Area( const std::vector<Vec2> &polygon_verts );

    static bool InsideTriangle(
        float Ax, float Ay,
        float Bx, float By,
        float Cx, float Cy,
        float Px, float Py
    );

    static bool Snip(
        const std::vector<Vec2> &contour,
        int u, int v, int w, int n, int *V
    );

    std::vector<Vec2>  m_fill_verts;          // Process(...) Input:  Polygon outline nodes
    std::vector<Vec2>  m_triangulated_verts;  // Process(...) Output: Triangulated nodes

    Vec2 m_pen_pos;
    int m_lineThickness;
    bool m_bFilling;

    Color4F m_fill_color;
    Color4F m_line_color;

public:

    cocos2d::Sprite    *m_cocosSprite;
    cocos2d::DrawNode  *m_drawNode;

    void init( cocos2d::Scene *scene );

    void lineStyle( int thickness, uint lineColour = 0xFFFFFFFF );   // Default: White line - RRGGBBAA
    void beginFill( uint fillColour = 0x000000FF );                  // Default: Black fill - RRGGBBAA
    void endFill();
    void moveTo( float x, float y );
    void lineTo( float x, float y );
    void clear();
};

#endif