// The start of the Application int App::start(const std::vector<CL_String> &args) { quit = false; CL_OpenGLWindowDescription desc; desc.set_title("ClanLib Geometry Shader Example"); desc.set_size(CL_Size(900, 700), true); desc.set_multisampling(0); desc.set_allow_resize(false); desc.set_depth_size(16); desc.set_version(3, 2, false); CL_DisplayWindow window(desc); // Connect the Window close event CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close); // Connect a keyboard handler to on_key_up() CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up); // Get the graphic context CL_GraphicContext gc = window.get_gc(); // Setup graphic store GraphicStore graphic_store(gc); scene.gs = &graphic_store; // Prepare the display gc.set_map_mode(cl_user_projection); CL_PolygonRasterizer polygon_rasterizer; polygon_rasterizer.set_culled(false); polygon_rasterizer.set_face_cull_mode(cl_cull_back); polygon_rasterizer.set_front_face(cl_face_side_clockwise); gc.set_polygon_rasterizer(polygon_rasterizer); create_scene(gc); camera_angle = 0.0f; CL_Font font(gc, "tahoma", 24); FramerateCounter framerate_counter; unsigned int time_last = CL_System::get_time(); // Run until someone presses escape while (!quit) { framerate_counter.frame_shown(); unsigned int time_now = CL_System::get_time(); time_delta = time_now - time_last; time_last = time_now; control_camera(); calculate_matricies(gc); gc.set_polygon_rasterizer(polygon_rasterizer); gc.clear_depth(1.0f); // ** If enabling below, change the graphic from alpha_ball2.png to alpha_ball.png in graphic_store.cpp //render_depth_buffer(gc); // Render to depth buffer first, to fake sorting the particles render(gc); // Render scene gc.set_modelview(CL_Mat4f::identity()); gc.set_map_mode(cl_map_2d_upper_left); CL_String fps(cl_format("fps = %1", framerate_counter.get_framerate())); font.draw_text(gc, 16-2, gc.get_height()-16-2, fps, CL_Colorf(0.0f, 0.0f, 0.0f, 1.0f)); font.draw_text(gc, 16, gc.get_height()-16-2, fps, CL_Colorf(1.0f, 1.0f, 1.0f, 1.0f)); CL_String info(cl_format("Drawing %1 particles", ParticleObject::num_points)); font.draw_text(gc, 16, 30, info); // Use flip(1) to lock the fps window.flip(0); // This call processes user input and other events CL_KeepAlive::process(); } return 0; }
// The start of the Application int App::start(const std::vector<CL_String> &args) { quit = false; CL_OpenGLWindowDescription desc; desc.set_title("ClanLib Light Surface Example"); desc.set_size(CL_Size(900, 700), true); desc.set_multisampling(4); desc.set_allow_resize(true); desc.set_depth_size(16); CL_DisplayWindow window(desc); // Connect the Window close event CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close); // Connect a keyboard handler to on_key_up() CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up); // Set up GUI CL_String theme; if (CL_FileHelp::file_exists("../../../Resources/GUIThemeAero/theme.css")) theme = "../../../Resources/GUIThemeAero"; else if (CL_FileHelp::file_exists("../../../Resources/GUIThemeBasic/theme.css")) theme = "../../../Resources/GUIThemeBasic"; else throw CL_Exception("No themes found"); CL_GUIWindowManagerTexture wm(window); CL_GUIManager gui(wm, theme); // Get the graphic context CL_GraphicContext gc = window.get_gc(); // Deleted automatically by the GUI Options *options = new Options(gui, CL_Rect(8, 8, CL_Size(340, 600))); options->request_repaint(); // Setup graphic store GraphicStore graphic_store(gc); scene.gs = &graphic_store; // Prepare the display gc.set_map_mode(cl_user_projection); CL_PolygonRasterizer polygon_rasterizer; polygon_rasterizer.set_culled(true); polygon_rasterizer.set_face_cull_mode(cl_cull_back); polygon_rasterizer.set_front_face(cl_face_side_clockwise); gc.set_polygon_rasterizer(polygon_rasterizer); create_scene(gc); CL_Font font(gc, "tahoma", 24); graphic_store.image_grid = CL_Image(gc, "../../Display_Render/Blend/Resources/grid.png"); FramerateCounter framerate_counter; unsigned int time_last = CL_System::get_time(); // Run until someone presses escape while (!quit) { framerate_counter.frame_shown(); unsigned int time_now = CL_System::get_time(); time_delta = time_now - time_last; time_last = time_now; // Copy direction options light_distant->rotation_y = options->light_direction_heading; light_distant->rotation_x = options->light_direction_pitch; // Set material options float shininess = options->material_shininess; // Convert shininess from a percentage, using Lightwave 3d's method shininess = shininess / 100.0f; shininess = pow(2, (10.0f * shininess) + 2); teapot->model.SetMaterial( shininess, // material_shininess CL_Vec4f(options->material_emission_color.r, options->material_emission_color.g, options->material_emission_color.b, options->material_emission_color.a), // material_emission CL_Vec4f(options->material_ambient_color.r, options->material_ambient_color.g, options->material_ambient_color.b, options->material_ambient_color.a), // material_ambient CL_Vec4f(options->material_specular_color.r, options->material_specular_color.g, options->material_specular_color.b, options->material_specular_color.a) //material_specular ); rotate_teapot(); calculate_matricies(gc); update_light(gc, options); polygon_rasterizer.set_culled(true); gc.set_polygon_rasterizer(polygon_rasterizer); render(gc); gc.set_modelview(CL_Mat4f::identity()); gc.set_map_mode(cl_map_2d_upper_left); polygon_rasterizer.set_culled(false); gc.set_polygon_rasterizer(polygon_rasterizer); CL_String fps(cl_format("%1 fps", framerate_counter.get_framerate())); font.draw_text(gc, 16-2, gc.get_height()-16-2, fps, CL_Colorf(0.0f, 0.0f, 0.0f, 1.0f)); font.draw_text(gc, 16, gc.get_height()-16-2, fps, CL_Colorf(1.0f, 1.0f, 1.0f, 1.0f)); wm.process(); wm.draw_windows(gc); // Use flip(1) to lock the fps window.flip(0); // This call processes user input and other events CL_KeepAlive::process(); } return 0; }
// The start of the Application int App::start(const std::vector<CL_String> &args) { quit = false; try { CL_OpenGLWindowDescription desc; desc.set_title("ClanLib AnimCursor Test"); desc.set_size(CL_Size(800, 600), true); CL_DisplayWindow window(desc); // Connect the Window close event CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close); // Connect a keyboard handler to on_key_up() CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up); // Get the graphic context CL_GraphicContext gc = window.get_gc(); CL_Font font = CL_Font(gc, "Tahoma", 20); CL_PixelBuffer pacman("pacman.png"); CL_SpriteDescription description; CL_Size size(22, 22); for (int frame_cnt=0; frame_cnt < 6; frame_cnt++) { CL_PixelBuffer frame(size.width, size.height, cl_rgba8); pacman.convert(frame, size, CL_Rect((frame_cnt * 28) + 4, 4, size)); description.add_frame(frame); description.set_frame_delay(frame_cnt, 0.1); } CL_Point hotspot(0,0); CL_Cursor cursor(window, description, hotspot); window.set_cursor(cursor); // Run until someone presses escape while (!quit) { gc.clear(CL_Colorf(0.0f,0.0f,0.5f)); font.draw_text(gc, 32, 32, "Observe the animated cursor"); // Flip the display, showing on the screen what we have drawed // since last call to flip() window.flip(1); // This call processes user input and other events CL_KeepAlive::process(); } } catch(CL_Exception& exception) { // Create a console window for text-output if not available CL_ConsoleWindow console("Console", 80, 200); CL_Console::write_line("Exception caught:"); CL_Console::write_line(exception.message); // Display the stack trace (if available) std::vector<CL_String> stacktrace = exception.get_stack_trace(); int size = stacktrace.size(); if (size > 0) { CL_Console::write_line("Stack Trace:"); for (int cnt=0; cnt < size; cnt++) { CL_Console::write_line(stacktrace[cnt]); } } console.display_close_message(); return -1; } return 0; }
int App::start(const std::vector<CL_String> &args) { CL_OpenGLWindowDescription description; description.set_title("NightVision Shader"); description.set_size(CL_Size(1024, 768), true); CL_DisplayWindow window(description); CL_InputDevice keyboard = window.get_ic().get_keyboard(); CL_GraphicContext gc = window.get_gc(); CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up); CL_Slot slot_window_close = window.sig_window_close().connect(this, &App::window_close); // Create offscreen texture CL_Texture texture_offscreen(gc, gc.get_width(), gc.get_height()); texture_offscreen.set_min_filter(cl_filter_nearest); texture_offscreen.set_mag_filter(cl_filter_nearest); CL_Texture texture_mask(gc, gc.get_width(), gc.get_height()); texture_mask.set_min_filter(cl_filter_nearest); texture_mask.set_mag_filter(cl_filter_nearest); // Create offscreen framebuffer CL_FrameBuffer framebuffer_offscreen(gc); framebuffer_offscreen.attach_color_buffer(0, texture_offscreen); CL_FrameBuffer framebuffer_mask(gc); framebuffer_mask.attach_color_buffer(0, texture_mask); CL_Image background(gc, "../PostProcessing/Resources/background.png"); CL_Image ball(gc, "../PostProcessing/Resources/ball.png"); ball.set_alignment(origin_center); CL_Texture noise_texture(gc, "Resources/noise_texture_0001.png"); noise_texture.set_wrap_mode(cl_wrap_repeat, cl_wrap_repeat); // Load and link shaders CL_ProgramObject shader = CL_ProgramObject::load(gc, "Resources/vertex_shader.glsl", "Resources/fragment_shader.glsl"); shader.bind_attribute_location(0, "Position"); shader.bind_attribute_location(2, "TexCoord0"); if (!shader.link()) throw CL_Exception("Unable to link shader program: Error:" + shader.get_info_log()); quit = false; float amount = 0.0f; float timer = 0.0f; float scale = 1.0f; CL_Font font(gc, "tahoma", 32); // Shader based on: http://www.geeks3d.com/20091009/shader-library-night-vision-post-processing-filter-glsl/ elapsedTime = 0.0f; // seconds luminanceThreshold = 0.2f; colorAmplification = 4.0f; effectCoverage = 0.65f; // Render the mask gc.set_frame_buffer(framebuffer_mask); gc.clear(); for (float offset=0.0f; offset<=1.0f; offset+=0.01f) { CL_Draw::circle(gc, gc.get_width() / 2.0f, gc.get_height() / 2.0f, 400.0f - offset * 64.0f, CL_Colorf(offset, offset, offset, 1.0f)); } gc.reset_frame_buffer(); unsigned int startTime = CL_System::get_time(); while (!quit) { timer = (CL_System::get_time() - startTime) / 1000.0f; elapsedTime = timer; // Render standard image to offscreen buffer gc.set_frame_buffer(framebuffer_offscreen); background.draw(gc, 0, 0); ball.draw(gc, gc.get_width() / 2 + 200 * sinf(timer / 2.0f), gc.get_height() / 2 + 200 * cosf(timer / 2.0f)); gc.reset_frame_buffer(); render_night_vision(gc, texture_offscreen, texture_mask, noise_texture, shader); const int gap = 32; font.draw_text(gc, 10, 64+gap*0, CL_String("luminanceThreshold : " + CL_StringHelp::float_to_text(luminanceThreshold) + " (Press Q,W)" )); font.draw_text(gc, 10, 64+gap*1, CL_String("colorAmplification : " + CL_StringHelp::float_to_text(colorAmplification) + " (Press A,S)" )); font.draw_text(gc, 10, 64+gap*2, CL_String("effectCoverage : " + CL_StringHelp::float_to_text(effectCoverage) + " (Press Z,X)" )); window.flip(); CL_System::sleep(10); CL_KeepAlive::process(); } return 0; }
int App::start(const std::vector<CL_String> &args) { CL_OpenGLWindowDescription description; description.set_title("Guassian Blur Shader"); description.set_size(CL_Size(1024, 768), true); CL_DisplayWindow window(description); CL_InputDevice keyboard = window.get_ic().get_keyboard(); CL_GraphicContext gc = window.get_gc(); CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up); CL_Slot slot_window_close = window.sig_window_close().connect(this, &App::window_close); // Create offscreen texture CL_Texture texture_offscreen(gc, gc.get_width(), gc.get_height()); texture_offscreen.set_min_filter(cl_filter_nearest); texture_offscreen.set_mag_filter(cl_filter_nearest); CL_Texture texture_offscreen2(gc, gc.get_width(), gc.get_height()); texture_offscreen2.set_min_filter(cl_filter_nearest); texture_offscreen2.set_mag_filter(cl_filter_nearest); // Create offscreen framebuffer CL_FrameBuffer framebuffer_offscreen(gc); framebuffer_offscreen.attach_color_buffer(0, texture_offscreen); CL_FrameBuffer framebuffer_offscreen2(gc); framebuffer_offscreen2.attach_color_buffer(0, texture_offscreen2); CL_Image background(gc, "../PostProcessing/Resources/background.png"); CL_Image ball(gc, "../PostProcessing/Resources/ball.png"); ball.set_alignment(origin_center); // Load and link shaders CL_ProgramObject shader = CL_ProgramObject::load(gc, "Resources/vertex_shader.glsl", "Resources/fragment_shader.glsl"); shader.bind_attribute_location(0, "Position"); shader.bind_attribute_location(2, "TexCoord0"); if (!shader.link()) throw CL_Exception("Unable to link shader program: Error:" + shader.get_info_log()); quit = false; float amount = 0.0f; float timer = 0.0f; float scale = 1.0f; CL_Font font(gc, "tahoma", 32); blur = 1.0f; unsigned int startTime = CL_System::get_time(); while (!quit) { timer = (CL_System::get_time() - startTime) / 1000.0f; // Render standard image to offscreen buffer gc.set_frame_buffer(framebuffer_offscreen); background.draw(gc, 0, 0); ball.draw(gc, gc.get_width() / 2 + 200 * sinf(timer / 2.0f), gc.get_height() / 2 + 200 * cosf(timer / 2.0f)); gc.reset_frame_buffer(); gc.set_frame_buffer(framebuffer_offscreen2); render_gaussian_blur(gc, blur, texture_offscreen, shader, 1.0f / texture_offscreen2.get_width(), 0.0f); gc.reset_frame_buffer(); render_gaussian_blur(gc, blur, texture_offscreen2, shader, 0.0f, 1.0f / texture_offscreen2.get_height()); CL_String text( "Press 1 to 9 to control blur amount. Currently it is :" + CL_StringHelp::float_to_text(blur) ); font.draw_text(gc, 10, 64, text); window.flip(); CL_System::sleep(10); CL_KeepAlive::process(); } return 0; }
int App::start(const std::vector<CL_String> &args) { CL_OpenGLWindowDescription description; description.set_title("GLSL Test"); description.set_size(CL_Size(1024, 768), true); CL_DisplayWindow window(description); CL_InputDevice keyboard = window.get_ic().get_keyboard(); CL_GraphicContext gc = window.get_gc(); CL_Slot slot_window_close = window.sig_window_close().connect(this, &App::window_close); // Load and link shaders CL_ProgramObject shader = CL_ProgramObject::load(gc, "Resources/vertex_shader.glsl", "Resources/fragment_shader.glsl"); shader.bind_attribute_location(0, "Position"); if (!shader.link()) throw CL_Exception("Unable to link shader program: Error:" + shader.get_info_log()); quit = false; while (!keyboard.get_keycode(CL_KEY_ESCAPE) && !quit ) { gc.clear(); gc.set_program_object(shader, cl_program_matrix_modelview_projection); //shader.set_uniform1i("SourceTexture", 0); int xpos = 0; int size = 16; int gap = size + 2; //-------- Test 1 CL_Mat2f matrix2_a = CL_Mat2f(3, 1, 2, 4); CL_Mat2f matrix2_b = CL_Mat2f(-3, 7, 2, 5); CL_Mat2f matrix2_result = CL_Mat2f::multiply(matrix2_a, matrix2_b); CL_Mat2f matrix2_a_temp = matrix2_a; if (CL_Mat2i(matrix2_result) != CL_Mat2i(matrix2_a * matrix2_b)) throw CL_Exception("Failure"); shader.set_uniform1i("test_id", 1); shader.set_uniform_matrix("matrix2_a", matrix2_a); shader.set_uniform_matrix("matrix2_b", matrix2_b); shader.set_uniform_matrix("matrix2_result", matrix2_result); draw(gc, CL_Rect(xpos, 0, CL_Size(size, size))); xpos+=gap; //-------- Test 2 CL_Mat3f matrix3_a = CL_Mat3f(3, 1, 2, 4, 5 ,6, 4, 2, 1); CL_Mat3f matrix3_b = CL_Mat3f(4, 7, 2, 5, 3, 5, 2, 9, 3); CL_Mat3f matrix3_result = CL_Mat3f::multiply(matrix3_a, matrix3_b); CL_Mat3f matrix3_a_temp = matrix3_a; if (CL_Mat3i(matrix3_result) != CL_Mat3i(matrix3_a * matrix3_b)) throw CL_Exception("Failure"); shader.set_uniform1i("test_id", 2); shader.set_uniform_matrix("matrix3_a", matrix3_a); shader.set_uniform_matrix("matrix3_b", matrix3_b); shader.set_uniform_matrix("matrix3_result", matrix3_result); draw(gc, CL_Rect(xpos, 0, CL_Size(size, size))); xpos+=gap; //-------- Test 3 static float test_a_values[] = {3, 1, 2, 4, 5 ,6, 4, 2, 1, 4, 6, 7, 6, 3, 7, 2}; static float test_b_values[] = {4, 7, 2, 5, 3, 5, 2, 9, 3, 3, 6, 9, 2, 4, 6, 2}; CL_Mat4f matrix4_a = CL_Mat4f(test_a_values); CL_Mat4f matrix4_b = CL_Mat4f(test_b_values); CL_Mat4f matrix4_result = CL_Mat4f::multiply(matrix4_a, matrix4_b); CL_Mat4f matrix4_a_temp = matrix4_a; if (CL_Mat4i(matrix4_result) != CL_Mat4i(matrix4_a * matrix4_b)) throw CL_Exception("Failure"); shader.set_uniform1i("test_id", 3); shader.set_uniform_matrix("matrix4_a", matrix4_a); shader.set_uniform_matrix("matrix4_b", matrix4_b); shader.set_uniform_matrix("matrix4_result", matrix4_result); draw(gc, CL_Rect(xpos, 0, CL_Size(size, size))); xpos+=gap; //-------- Test 4 matrix2_result = CL_Mat2f::subtract(matrix2_a, matrix2_b); matrix2_a_temp = matrix2_a; if (CL_Mat2i(matrix2_result) != CL_Mat2i(matrix2_a - matrix2_b)) throw CL_Exception("Failure"); shader.set_uniform1i("test_id", 4); shader.set_uniform_matrix("matrix2_a", matrix2_a); shader.set_uniform_matrix("matrix2_b", matrix2_b); shader.set_uniform_matrix("matrix2_result", matrix2_result); draw(gc, CL_Rect(xpos, 0, CL_Size(size, size))); xpos+=gap; //-------- Test 5 matrix3_result = CL_Mat3f::subtract(matrix3_a, matrix3_b); matrix3_a_temp = matrix3_a; if (CL_Mat3i(matrix3_result) != CL_Mat3i(matrix3_a - matrix3_b)) throw CL_Exception("Failure"); shader.set_uniform1i("test_id", 5); shader.set_uniform_matrix("matrix3_a", matrix3_a); shader.set_uniform_matrix("matrix3_b", matrix3_b); shader.set_uniform_matrix("matrix3_result", matrix3_result); draw(gc, CL_Rect(xpos, 0, CL_Size(size, size))); xpos+=gap; //-------- Test 6 matrix4_result = CL_Mat4f::subtract(matrix4_a, matrix4_b); matrix4_a_temp = matrix4_a; if (CL_Mat4i(matrix4_result) != CL_Mat4i(matrix4_a - matrix4_b)) throw CL_Exception("Failure"); shader.set_uniform1i("test_id", 6); shader.set_uniform_matrix("matrix4_a", matrix4_a); shader.set_uniform_matrix("matrix4_b", matrix4_b); shader.set_uniform_matrix("matrix4_result", matrix4_result); draw(gc, CL_Rect(xpos, 0, CL_Size(size, size))); xpos+=gap; //-------- Test 7 CL_Vec2f vector2_a(2,3); CL_Vec2f vector2_result = vector2_a * matrix2_a; shader.set_uniform1i("test_id", 7); shader.set_uniform_matrix("matrix2_a", matrix2_a); shader.set_uniform2f("vector2_a", vector2_a); shader.set_uniform2f("vector2_result", vector2_result); draw(gc, CL_Rect(xpos, 0, CL_Size(size, size))); xpos+=gap; //-------- Test 8 vector2_result = matrix2_a * vector2_a; shader.set_uniform1i("test_id", 8); shader.set_uniform_matrix("matrix2_a", matrix2_a); shader.set_uniform2f("vector2_a", vector2_a); shader.set_uniform2f("vector2_result", vector2_result); draw(gc, CL_Rect(xpos, 0, CL_Size(size, size))); xpos+=gap; //-------- Test 9 CL_Vec3f vector3_a(3,5,6); CL_Vec3f vector3_result = vector3_a * matrix3_a; shader.set_uniform1i("test_id", 9); shader.set_uniform_matrix("matrix3_a", matrix3_a); shader.set_uniform3f("vector3_a", vector3_a); shader.set_uniform3f("vector3_result", vector3_result); draw(gc, CL_Rect(xpos, 0, CL_Size(size, size))); xpos+=gap; //-------- Test 10 vector3_result = matrix3_a * vector3_a; shader.set_uniform1i("test_id", 10); shader.set_uniform_matrix("matrix3_a", matrix3_a); shader.set_uniform3f("vector3_a", vector3_a); shader.set_uniform3f("vector3_result", vector3_result); draw(gc, CL_Rect(xpos, 0, CL_Size(size, size))); xpos+=gap; //-------- Test 11 CL_Vec4f vector4_a(4,3,5,6); CL_Vec4f vector4_result = vector4_a * matrix4_a; shader.set_uniform1i("test_id", 11); shader.set_uniform_matrix("matrix4_a", matrix4_a); shader.set_uniform4f("vector4_a", vector4_a); shader.set_uniform4f("vector4_result", vector4_result); draw(gc, CL_Rect(xpos, 0, CL_Size(size, size))); xpos+=gap; //-------- Test 12 vector4_result = matrix4_a * vector4_a; shader.set_uniform1i("test_id", 12); shader.set_uniform_matrix("matrix4_a", matrix4_a); shader.set_uniform4f("vector4_a", vector4_a); shader.set_uniform4f("vector4_result", vector4_result); draw(gc, CL_Rect(xpos, 0, CL_Size(size, size))); xpos+=gap; gc.reset_program_object(); window.flip(); CL_System::sleep(10); CL_KeepAlive::process(); } return 0; }
// The start of the Application int App::start(const std::vector<CL_String> &args) { quit = false; CL_OpenGLWindowDescription desc; desc.set_title("ClanLib Shadow Example"); desc.set_size(CL_Size(640, 640), true); desc.set_multisampling(4); desc.set_depth_size(16); CL_DisplayWindow window(desc); #ifdef _DEBUG //struct aiLogStream stream; //stream = aiGetPredefinedLogStream(aiDefaultLogStream_STDOUT,NULL); //aiAttachLogStream(&stream); //stream = aiGetPredefinedLogStream(aiDefaultLogStream_FILE,"assimp_log.txt"); //aiAttachLogStream(&stream); #endif aiSetImportPropertyFloat(AI_CONFIG_PP_GSN_MAX_SMOOTHING_ANGLE,89.53f); // Connect the Window close event CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close); // Connect a keyboard handler to on_key_up() CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up); // Get the graphic context CL_GraphicContext gc = window.get_gc(); GraphicStore graphic_store(gc); scene.gs = &graphic_store; // Prepare the display gc.set_map_mode(cl_user_projection); CL_PolygonRasterizer polygon_rasterizer; polygon_rasterizer.set_culled(true); polygon_rasterizer.set_face_cull_mode(cl_cull_back); polygon_rasterizer.set_front_face(cl_face_side_clockwise); gc.set_polygon_rasterizer(polygon_rasterizer); create_scene(gc); CL_FrameBuffer framebuffer(gc); CL_Texture new_depth_texture(gc, CL_Size(1024, 1024), cl_depth_component); new_depth_texture.set_wrap_mode(cl_wrap_clamp_to_edge, cl_wrap_clamp_to_edge, cl_wrap_clamp_to_edge); framebuffer.attach_depth_buffer(new_depth_texture); scene.gs->texture_shadow = new_depth_texture; camera_angle = 0.0f; CL_Font font(gc, "tahoma", 24); FramerateCounter framerate_counter; unsigned int time_last = CL_System::get_time(); // Run until someone presses escape while (!quit) { framerate_counter.frame_shown(); unsigned int time_now = CL_System::get_time(); time_delta = time_now - time_last; time_last = time_now; rotate_teapot(); control_camera(); update_light(gc); calculate_matricies(gc); render_from_lightsource(gc, framebuffer); render_from_camera(gc, framebuffer); gc.set_modelview(CL_Mat4f::identity()); gc.set_map_mode(cl_map_2d_upper_left); CL_String fps(cl_format("%1 fps", framerate_counter.get_framerate())); font.draw_text(gc, 16-2, gc.get_height()-16-2, fps, CL_Colorf(0.0f, 0.0f, 0.0f, 1.0f)); font.draw_text(gc, 16, gc.get_height()-16-2, fps, CL_Colorf(1.0f, 1.0f, 1.0f, 1.0f)); // Use flip(1) to lock the fps window.flip(0); // This call processes user input and other events CL_KeepAlive::process(); } aiDetachAllLogStreams(); return 0; }