KlassischeKeplerKriege/game/renderer_polygon_3d/renderer_polygon_3d.cpp

#include "renderer_polygon_3d.hpp"

#include <iostream>

#include "polygon_model.hpp"

namespace endofthejedi {
    void RendererPolygon3d::setup()
    {
        std::cout<<"setup 3d" << std::endl;

        //m_atomicBomb = new PolygonModel("../data/mesh/small_atomic_bomb.stl");
        m_atomicBomb = new PolygonModel("../data/mesh/quad_screen_coords.stl");
        m_atomicBomb->import();
        m_atomicBomb->uploadToOpenGl();

        m_models.push_back(m_atomicBomb);

        std::string vss =
            "varying vec3 vertex;\n"
            "void main()\n"
            "{\n"
            "  gl_Position = gl_Vertex;\n"
            "  vertex = gl_Vertex.xyz;\n"
            "}\n"
            ;

        std::string fss =
            "varying vec3 vertex;\n"
            "void main()\n"
            "{\n"
            //"  gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);\n"
            "  gl_FragColor = vec4(0.5+0.5*vertex.xyz, 1.0);\n"
            "}\n"
            ;

        m_shader.init();
        m_shader.load(vss.c_str(), GL_VERTEX_SHADER);
        m_shader.load(fss.c_str(), GL_FRAGMENT_SHADER);
    }

    void RendererPolygon3d::render(const game::State *state)
    {
        m_shader.bind();

        (void) state;

        //m_atomicBomb->bind();
        //m_atomicBomb->render();

        glColor3f(1.0, 0.0, 0.0);
        glBegin(GL_QUADS);
        glVertex2f(-1.0f, -1.0f);
        glVertex2f(1.0f, -1.0f);
        glVertex2f(1.0f, 1.0f);
        glVertex2f(-1.0f, 1.0f);
        glEnd();

        //std::cout<<"render 3d" << std::endl;
    }
}