ExperimentalApp() : GLFWApp(1280, 800, "Glass Material App")
    {
        igm.reset(new gui::ImGuiManager(window));
        gui::make_dark_theme();
        
        //cubeTex = load_cubemap();

        int width, height;
        glfwGetWindowSize(window, &width, &height);
        glViewport(0, 0, width, height);

         // Debugging views for offscreen surfaces
        uiSurface.bounds = {0, 0, (float) width, (float) height};
        uiSurface.add_child( {{0.0000f, +10},{0, +10},{0.1667f, -10},{0.133f, +10}});
        uiSurface.add_child( {{0.1667f, +10},{0, +10},{0.3334f, -10},{0.133f, +10}});
        uiSurface.layout();

        grid = RenderableGrid(1, 100, 100);
        cameraController.set_camera(&camera);
        camera.look_at({0, 2.5, -2.5}, {0, 2.0, 0});

		lights[0] = {{0, 10, -10}, {0, 0, 1}};
		lights[1] = {{0, 10, 10}, {0, 1, 0}};

        Renderable reflectiveSphere = Renderable(make_sphere(2.f));
        reflectiveSphere.pose = Pose(float4(0, 0, 0, 1), float3(0, 2, 0));
        glassModels.push_back(std::move(reflectiveSphere));

        Renderable debugAxis = Renderable(make_axis(), false, GL_LINES);
        debugAxis.pose = Pose(float4(0, 0, 0, 1), float3(0, 1, 0));
        regularModels.push_back(std::move(debugAxis));

        Renderable cubeA = Renderable(make_cube());
        cubeA.pose = Pose(make_rotation_quat_axis_angle({1, 0, 1}, ANVIL_PI / 3), float3(5, 0, 0));
        regularModels.push_back(std::move(cubeA));

        Renderable cubeB = Renderable(make_cube());
		cubeB.pose = Pose(make_rotation_quat_axis_angle({1, 0, 1}, ANVIL_PI / 4), float3(-5, 0, 0));
        regularModels.push_back(std::move(cubeB));

        glassMaterialShader = make_watched_shader(shaderMonitor, "assets/shaders/glass_vert.glsl", "assets/shaders/glass_frag.glsl");
        simpleShader = make_watched_shader(shaderMonitor, "assets/shaders/simple_vert.glsl", "assets/shaders/simple_frag.glsl");

        cubeCamera.reset(new CubemapCamera({1024, 1024}));

        gl_check_error(__FILE__, __LINE__);
    }
Esempio n. 2
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    ExperimentalApp() : GLFWApp(1280, 720, "Shadow App")
    {
        glfwSwapInterval(0);

        gen = std::mt19937(rd());

        igm.reset(new gui::ImGuiManager(window));
        gui::make_dark_theme();

        int width, height;
        glfwGetWindowSize(window, &width, &height);
        glViewport(0, 0, width, height);

        cameraController.set_camera(&camera);
        camera.farClip = 55.f;
        camera.look_at({0, 0, +15}, {0, 0, 0});

        // Debugging views
        uiSurface.bounds = {0, 0, (float) width, (float) height};
        uiSurface.add_child( {{0.0000f, +10},{0, +10},{0.1667f, -10},{0.133f, +10}});
        uiSurface.add_child( {{0.1667f, +10},{0, +10},{0.3334f, -10},{0.133f, +10}});
        uiSurface.add_child( {{0.3334f, +10},{0, +10},{0.5009f, -10},{0.133f, +10}});
        uiSurface.add_child( {{0.5000f, +10},{0, +10},{0.6668f, -10},{0.133f, +10}});
        uiSurface.add_child( {{0.6668f, +10},{0, +10},{0.8335f, -10},{0.133f, +10}});
        uiSurface.add_child( {{0.8335f, +10},{0, +10},{1.0000f, -10},{0.133f, +10}});
        uiSurface.layout();

        fullscreen_post_quad = make_fullscreen_quad();

        sceneShader = make_watched_shader(shaderMonitor, "assets/shaders/shadow/scene_vert.glsl", "assets/shaders/shadow/scene_frag.glsl");
        shadowmapShader = make_watched_shader(shaderMonitor, "assets/shaders/shadow/shadowmap_vert.glsl", "assets/shaders/shadow/shadowmap_frag.glsl");
        pointLightShader = make_watched_shader(shaderMonitor, "assets/shaders/shadow/point_light_vert.glsl", "assets/shaders/shadow/point_light_frag.glsl");
        gaussianBlurShader = make_watched_shader(shaderMonitor, "assets/shaders/gaussian_blur_vert.glsl", "assets/shaders/gaussian_blur_frag.glsl");

        skydome.recompute(2, 10.f, 1.15f);

        auto lightDir = skydome.get_light_direction();
        sunLight = std::make_shared<DirectionalLight>(lightDir, float3(.50f, .75f, .825f), 64.f);

        // todo spotLightB

        shadowDepthTexture.load_data(shadowmapResolution, shadowmapResolution, GL_DEPTH_COMPONENT32, GL_DEPTH_COMPONENT, GL_FLOAT, nullptr);
        shadowFramebuffer.attach(GL_DEPTH_ATTACHMENT, shadowDepthTexture);
        if (!shadowFramebuffer.check_complete()) throw std::runtime_error("incomplete shadow framebuffer");

        shadowBlurTexture.load_data(shadowmapResolution, shadowmapResolution, GL_R32F, GL_RGBA, GL_FLOAT, nullptr);
        shadowBlurFramebuffer.attach(GL_COLOR_ATTACHMENT0, shadowBlurTexture);
        if (!shadowBlurFramebuffer.check_complete()) throw std::runtime_error("incomplete blur framebuffer");

        auto spotLightA = std::make_shared<SpotLight>(float3(0.f, 10.f, 0.f), float3(0.f, -1.f, 0.f), float3(0.766f, 0.766f, 0.005f), 30.0f, float3(1.0f, 0.0f, 0.0001f));
        spotLights.push_back(spotLightA);

        // Single spotlight fbo
        for (int i = 0; i < 1; ++i)
        {
            auto buffer = std::make_shared<SpotLightFramebuffer>();
            buffer->create(shadowmapResolution);
            spotLightFramebuffers.push_back(buffer);
        }

        // Point light init
        {

            pointLight.reset(new PointLight(float3(0.f, 0.f, 0.f), float3(0, 1, 1), float3(1.0f, 0.05f, 0.0002f)));
            pointLightFramebuffer.reset(new PointLightFramebuffer());
            pointLightFramebuffer->create(float2(shadowmapResolution));

            pointLightSphere = std::make_shared<Renderable>(make_sphere(0.5f));
            sceneObjects.push_back(pointLightSphere);
        }

        viewA.reset(new GLTextureView(shadowDepthTexture.get_gl_handle()));
        viewB.reset(new GLTextureView(shadowBlurTexture.get_gl_handle()));
        viewC.reset(new GLTextureView(spotLightFramebuffers[0]->shadowDepthTexture.get_gl_handle()));
        viewD.reset(new GLTextureView(pointLightFramebuffer->depthBuffer.get_gl_handle()));

        auto lucy = load_geometry_from_ply("assets/models/stanford/lucy.ply");

        rescale_geometry(lucy, 8.0f);
        auto lucyBounds = lucy.compute_bounds();

        auto statue = std::make_shared<Renderable>(lucy);
        statue->pose.position = {0, 0, 0};
        //sceneObjects.push_back(statue);

        auto hollowCube = load_geometry_from_ply("assets/models/geometry/CubeHollowOpen.ply");
        for (auto & v : hollowCube.vertices) v *= 0.20f;
        auto hCube = std::make_shared<Renderable>(hollowCube);
        hCube->pose.position = float3(0, 0, 0);
        hCube->pose.orientation = make_rotation_quat_around_x(ANVIL_PI / 2);
        //sceneObjects.push_back(hCube);

        auto curvedMesh = make_curved_plane(2, 1, 8, 8);
        sceneObjects.push_back(std::make_shared<Renderable>(curvedMesh));

        //floor = std::make_shared<Renderable>(make_plane(32.f, 32.f, 64, 64), false);
        //floor->pose.orientation = make_rotation_quat_axis_angle({1, 0, 0}, -ANVIL_PI / 2);
        //floor->pose.position = {0, lucyBounds.min().y, 0};
        //sceneObjects.push_back(floor);

        gl_check_error(__FILE__, __LINE__);
    }