phongshadowmap.hpp

Go to the documentation of this file.

#ifndef __PHONGSHADOWMAP__
#define __PHONGSHADOWMAP__

#include <tucano/tucano.hpp>

namespace Tucano
{
namespace Effects
{

class PhongShadowmap : public Tucano::Effect
{

private:

    Tucano::Shader phong_shader;

public:

    PhongShadowmap (void) {}

    virtual void initialize (void)
    {
        // searches in default shader directory (/shaders) for shader files phongShader.(vert,frag,geom,comp)
        loadShader(phong_shader, "phongshadow") ;
    }

    void render (Tucano::Mesh& mesh, const Tucano::Camera& camera, const Tucano::Camera& light, Tucano::Framebuffer *shadow_fbo)
    {

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

        phong_shader.bind();

        // sets all uniform variables for the phong shader
        phong_shader.setUniform("projectionMatrix", camera.getProjectionMatrix());
        phong_shader.setUniform("modelMatrix", mesh.getModelMatrix());
        phong_shader.setUniform("viewMatrix", camera.getViewMatrix());
        phong_shader.setUniform("lightViewMatrix", light.getViewMatrix());
        phong_shader.setUniform("lightProjectionMatrix", light.getProjectionMatrix());
                phong_shader.setUniform("shadowmap", shadow_fbo->bindAttachment(0) );
        phong_shader.setUniform("has_color", mesh.hasAttribute("in_Color"));
                phong_shader.setUniform("default_color", mesh.getColor());

        mesh.setAttributeLocation(phong_shader);

        glEnable(GL_DEPTH_TEST);
        mesh.render();

        phong_shader.unbind();
                shadow_fbo->unbindAttachments();
    }
};
}
}


#endif