// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
CL_DisplayWindowDescription win_desc;
win_desc.set_allow_resize(true);
win_desc.set_title("Vertex Buffer Object Example");
win_desc.set_depth_size(16);
win_desc.set_size(CL_Size( 800, 600 ), false);
CL_DisplayWindow window(win_desc);
CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
CL_GraphicContext gc = window.get_gc();
Shader shader(gc);
// 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);
CL_BufferControl buffer_control;
buffer_control.enable_depth_test(true);
buffer_control.set_depth_compare_function(cl_comparefunc_lequal);
buffer_control.enable_depth_write(true);
gc.set_buffer_control(buffer_control);
std::vector<CL_Vec3f> object_positions;
std::vector<CL_Vec3f> object_normals;
std::vector<CL_Vec4f> object_material_ambient;
const int num_cubes = 20000;
object_positions.reserve(num_cubes * 6 * 6); // 6 faces, and 6 vertices per face
object_normals.reserve(num_cubes * 6 * 6);
object_material_ambient.reserve(num_cubes * 6 * 6);
for (int cnt=0; cnt < num_cubes; cnt++)
{
create_cube(object_positions, object_normals, object_material_ambient);
}
CL_VertexArrayBuffer vb_positions(gc, &object_positions[0], sizeof(CL_Vec3f) * object_positions.size());
CL_VertexArrayBuffer vb_normals(gc, &object_normals[0], sizeof(CL_Vec3f) * object_normals.size());
CL_VertexArrayBuffer vb_material_ambient(gc, &object_material_ambient[0], sizeof(CL_Vec4f) * object_material_ambient.size());
// ** Note, at this point "object_positions, object_normals and object_material_ambient"
// ** can be destroyed. But for the purpose of this example, is it kept
CL_Font fps_font(gc, "tahoma", 20);
FramerateCounter frameratecounter;
unsigned int time_last = CL_System::get_time();
float angle = 0.0f;
is_vertex_buffer_on = true;
while (!quit)
{
unsigned int time_now = CL_System::get_time();
float time_diff = (float) (time_now - time_last);
time_last = time_now;
gc.clear(CL_Colorf(0.0f, 0.0f, 0.0f, 1.0f));
gc.clear_depth(1.0f);
gc.set_map_mode(cl_map_2d_upper_left);
CL_String fps = cl_format("%1 fps", frameratecounter.get_framerate());
fps_font.draw_text(gc, gc.get_width() - 100, 30, fps);
CL_String info = cl_format("%1 vertices", (int) object_positions.size());
fps_font.draw_text(gc, 30, 30, info);
fps_font.draw_text(gc, 30, gc.get_height() - 8, "Press any key to toggle the Vertex Buffer option");
if (is_vertex_buffer_on)
{
fps_font.draw_text(gc, 200, 30, "Vertex Buffer = ON");
}
else
{
fps_font.draw_text(gc, 200, 30, "Vertex Buffer = OFF");
}
gc.set_map_mode(cl_user_projection);
CL_Mat4f perp = CL_Mat4f::perspective(45.0f, ((float) gc.get_width()) / ((float) gc.get_height()), 0.1f, 100000.0f);
gc.set_projection(perp);
angle += time_diff / 20.0f;
if (angle >= 360.0f)
angle -= 360.0f;
gc.push_modelview();
gc.set_modelview(CL_Mat4f::identity());
gc.mult_scale(1.0f,1.0f, -1.0f); // So +'ve Z goes into the screen
gc.mult_translate(0.0f, 0.0f, 800.0f);
gc.mult_rotate(CL_Angle(angle*2.0f, cl_degrees), 0.0f, 1.0f, 0.0f, false);
gc.mult_rotate(CL_Angle(angle, cl_degrees), 1.0f, 0.0f, 0.0f, false);
shader.Set(gc);
shader.Use(gc);
CL_PrimitivesArray prim_array(gc);
if (is_vertex_buffer_on)
{
prim_array.set_attributes(0, vb_positions, 3, cl_type_float, (void *) 0);
prim_array.set_attributes(1, vb_normals, 3, cl_type_float, (void *) 0);
prim_array.set_attributes(2, vb_material_ambient, 4, cl_type_float, (void *) 0);
}
else
{
prim_array.set_attributes(0, &object_positions[0]);
prim_array.set_attributes(1, &object_normals[0]);
prim_array.set_attributes(2, &object_material_ambient[0]);
}
gc.draw_primitives(cl_triangles, object_positions.size(), prim_array);
gc.pop_modelview();
gc.reset_program_object();
window.flip(0);
frameratecounter.frame_shown();
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;
}
// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
// Setup the window
CL_DisplayWindowDescription win_desc;
win_desc.set_allow_resize(true);
win_desc.set_title("3D GUI Example");
win_desc.set_size(CL_Size( 700, 700 ), false);
window = CL_DisplayWindow(win_desc);
// Connect the slots that we require
CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
CL_Slot slot_input_down = (window.get_ic().get_keyboard()).sig_key_down().connect(this, &App::on_input_down);
CL_GraphicContext gc = window.get_gc();
CL_Font font = CL_Font(gc, "tahoma", 16);
// Initialise the GUI system
GUI gui(this);
// NOTE: The GUI component positions are still in 2D world, therefore
// be careful not to overlap windows, else unpredicted results may occur!
window1 = new Window1(gui, CL_Rect(0,0, CL_Size(256, 256)));
slider_1_xrotation = new Slider(gui, CL_Rect(0, 512, CL_Size(200, 17)));
slider_1_xrotation->object_matrix.translate_self(0.0f, 0.8f, 3.0f);
slider_1_xrotation->object_matrix.multiply(CL_Mat4f::rotate(CL_Angle(10, cl_degrees), 0.0f, 0.0f, 1.0f));
slider_1_yrotation = new Slider(gui, CL_Rect(256*1, 512, CL_Size(200, 17)));
slider_1_yrotation->object_matrix.translate_self(0.0f, 0.7f, 3.0f);
slider_1_yrotation->object_matrix.multiply(CL_Mat4f::rotate(CL_Angle(10, cl_degrees), 0.0f, 0.0f, 1.0f));
slider_1_zrotation = new Slider(gui, CL_Rect(256*2, 512, CL_Size(200, 17)));
slider_1_zrotation->object_matrix.translate_self(0.0f, 0.6f, 3.0f);
slider_1_zrotation->object_matrix.multiply(CL_Mat4f::rotate(CL_Angle(10, cl_degrees), 0.0f, 0.0f, 1.0f));
slider_1_xtranslation = new Slider(gui, CL_Rect(256*3, 512, CL_Size(200, 17)));
slider_1_xtranslation->object_matrix.translate_self(0.0f, 0.5f, 3.0f);
slider_1_xtranslation->object_matrix.multiply(CL_Mat4f::rotate(CL_Angle(10, cl_degrees), 0.0f, 0.0f, 1.0f));
slider_1_xtranslation->component->set_position(500);
slider_1_ytranslation = new Slider(gui, CL_Rect(256*4, 512, CL_Size(200, 17)));
slider_1_ytranslation->object_matrix.translate_self(0.0f, 0.4f, 3.0f);
slider_1_ytranslation->object_matrix.multiply(CL_Mat4f::rotate(CL_Angle(10, cl_degrees), 0.0f, 0.0f, 1.0f));
slider_1_ytranslation->component->set_position(500);
slider_1_ztranslation = new Slider(gui, CL_Rect(256*5, 512, CL_Size(200, 17)));
slider_1_ztranslation->object_matrix.translate_self(0.0f, 0.3f, 3.0f);
slider_1_ztranslation->object_matrix.multiply(CL_Mat4f::rotate(CL_Angle(10, cl_degrees), 0.0f, 0.0f, 1.0f));
slider_1_ztranslation->component->set_position(500);
while(!quit)
{
calculate_matrix();
gc.set_modelview(CL_Mat4f::identity());
gc.set_map_mode(CL_MapMode(cl_map_2d_upper_left));
// Draw the gradient
CL_Draw::gradient_fill(gc, CL_Rect(0, 0, gc.get_width(), gc.get_height()/2), CL_Gradient(CL_Colorf(0.2f, 0.2f, 0.8f, 1.0f), CL_Colorf(0.0f, 0.0f, 0.2f, 1.0f)));
CL_Draw::gradient_fill(gc, CL_Rect(0, gc.get_height()/2, gc.get_width(), gc.get_height()), CL_Gradient(CL_Colorf(0.0f, 0.0f, 0.2f, 1.0f), CL_Colorf(0.2f, 0.2f, 0.8f, 1.0f)));
font.draw_text(gc, 8, 20, "GUI3D");
int xoffset = 160;
int yoffset = 70;
const int ygap = 35;
font.draw_text(gc, xoffset, yoffset, "X Rotation");
yoffset += ygap;
font.draw_text(gc, xoffset, yoffset, "Y Rotation");
yoffset += ygap;
font.draw_text(gc, xoffset, yoffset, "Z Rotation");
yoffset += ygap;
font.draw_text(gc, xoffset, yoffset, "X Translation");
yoffset += ygap;
font.draw_text(gc, xoffset, yoffset, "Y Translation");
yoffset += ygap;
font.draw_text(gc, xoffset, yoffset, "Z Translation");
yoffset += ygap;
if (!gui.run())
break;
gc.set_map_mode(cl_user_projection);
gc.set_projection(projection_matrix);
gc.set_modelview(modelview_matrix);
control_window();
gui.draw();
window.flip(1);
CL_KeepAlive::process();
}
return 0;
}
// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
CL_DisplayWindowDescription win_desc;
win_desc.set_allow_resize(true);
win_desc.set_title("MapMode Example");
win_desc.set_size(CL_Size( 800, 480 ), false);
CL_DisplayWindow window(win_desc);
CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
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);
CL_GraphicContext gc = window.get_gc();
// Deleted automatically by the GUI
Options *options = new Options(gui, CL_Rect(0, 0, gc.get_size()));
CL_Image image_grid(gc, "../Blend/Resources/grid.png");
CL_Image image_ball(gc, "../Blend/Resources/ball.png");
float grid_width = (float) image_grid.get_width();
float grid_height = (float) image_grid.get_height();
grid_space = (float) (image_grid.get_width() - image_ball.get_width());
setup_balls();
options->request_repaint();
unsigned int time_last = CL_System::get_time();
while (!quit)
{
unsigned int time_now = CL_System::get_time();
float time_diff = (float) (time_now - time_last);
time_last = time_now;
wm.process();
wm.draw_windows(gc);
int num_balls = options->num_balls;
if (num_balls > max_balls)
num_balls = max_balls;
if (options->is_moveballs_set)
move_balls(time_diff, num_balls);
gc.set_map_mode(options->current_mapmode);
const float grid_xpos = 10.0f;
const float grid_ypos = 10.0f;
if (options->current_mapmode == cl_user_projection)
{
CL_Sizef area_size(grid_width + (grid_xpos * 2.0f), grid_height + (grid_ypos * 2.0f));
set_user_projection(gc, area_size, options);
}
// Draw the grid
image_grid.draw(gc, grid_xpos, grid_ypos);
gc.flush_batcher(); // <--- Fix me, this should not be required for cl_user_projection
for (int cnt=0; cnt<num_balls; cnt++)
{
image_ball.draw(gc, grid_xpos + balls[cnt].xpos, grid_ypos + balls[cnt].ypos);
}
gc.set_modelview(CL_Mat4f::identity());
gc.set_projection(CL_Mat4f::identity());
gc.set_map_mode(cl_map_2d_upper_left);
window.flip(1);
CL_KeepAlive::process();
}
return 0;
}
