toon.hpp

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#ifndef __TOON__
#define __TOON__

#include <tucano/effect.hpp>
#include <tucano/camera.hpp>

namespace Tucano
{
namespace Effects
{

class Toon : public Tucano::Effect
{

private:

    Tucano::Shader toon_shader;

    float quantization_level = 8;

public:

    Toon (void) {}

    void setQuantizationLevel(int level)
    {
        quantization_level = level;
    }

    int getQuantizationLevel (void)
    {
        return quantization_level;
    }


    virtual void initialize (void)
        {
                loadShader(toon_shader, "toonshader");
        }

    virtual void render (Tucano::Mesh& mesh, const Tucano::Camera& cameraTrackball, const Tucano::Camera& lightTrackball)
        {       

        Eigen::Vector4f viewport = cameraTrackball.getViewport();
        glViewport(viewport[0], viewport[1], viewport[2], viewport[3]);

        toon_shader.bind();

        toon_shader.setUniform("projectionMatrix", cameraTrackball.getProjectionMatrix());
        toon_shader.setUniform("modelMatrix", mesh.getModelMatrix());
        toon_shader.setUniform("viewMatrix", cameraTrackball.getViewMatrix());
        toon_shader.setUniform("lightViewMatrix", lightTrackball.getViewMatrix());
        toon_shader.setUniform("has_color", mesh.hasAttribute("in_Color"));
        toon_shader.setUniform("default_color", mesh.getColor());
        toon_shader.setUniform("quantizationLevel", quantization_level);

        mesh.setAttributeLocation(toon_shader);
                mesh.render();

        toon_shader.unbind();
        }
};
}
}

#endif