renderer.h

#ifndef RENDERER_H
#define RENDERER_H

#include "edge.h"
#include "frame.h"
#include "maths.h"
#include "polygon.h"
#include "Scene.h"

#include <map>
#include <vector>

// Renders a Scene. Takes a Scene and a Frame
class Renderer
{
public:
    struct Intersection {
        double alpha;
        int deltaIQ;
        bool valid;
    };

    Renderer::Renderer(Scene* scene, Frame* frame);

    bool Render();

    bool FaceVertexCompare(Polygon* poly, vec4 vertex);

    std::map<double, int> BoundaryEdgeCompare(Edge* edge);

    Intersection EdgeEdgeCompare(Edge* edge, Edge* test_edge);

    void SetWireFrameMode(bool b) { wireframe_ = b; };

private:
    
    //double EdgeEdgeCompare(Edge* a, Edge* b);

    Scene* scene_;
    Frame* frame_;

    std::vector<Edge*> edge_list_;
    std::vector<Edge*> boundary_edges_;

    bool wireframe_;
};

#endif