bool App::update() { game_time.update(); canvas_center.clear(clan::Colorf(0.0f,0.0f,0.0f, 1.0f)); rock.draw(canvas_center, 0.0f, 0.0f); // Move tux for (int cnt=0; cnt<num_tuxballs; cnt++) { tuxballs[cnt].move(tuxballs, game_time.get_time_elapsed() * 1000.0f); } // Draw tux for (int cnt=0; cnt<num_tuxballs; cnt++) { tuxballs[cnt].draw(canvas_center); } std::string fps = clan::string_format("%1 fps", clan::StringHelp::float_to_text(game_time.get_updates_per_second(), 1)); font.draw_text(canvas_center, 150-2, 150-2, fps, clan::Colorf(0.0f, 0.0f, 0.0f, 1.0f)); font.draw_text(canvas_center, 150, 150, fps, clan::Colorf(1.0f, 1.0f, 1.0f, 1.0f)); window_center.flip(0); return !quit; }
bool App::update() { game_time.update(); canvas.clear(clan::Colorf(0.0f,0.0f,0.0f, 0.0f)); rock.set_color(clan::Colorf(1.0f, 1.0f, 1.0f, 0.8f)); rock.draw(canvas, 0.0f, 0.0f); // Rotate tux rotation += game_time.get_time_elapsed() * 100.0f; clan::Angle angle; angle.set_degrees(rotation); tux.set_angle(angle); // Caculate tux position clan::Pointf circle_center( (float) (canvas.get_width()/2), (float) (canvas.get_height()/2) ); const float radius = 210.0f; int tux_circle = 12; tux_position.x = -(radius - tux_radius - tux_circle) * cos( angle.to_radians() / 2.0f ); tux_position.y = (radius - tux_radius - tux_circle) * sin( angle.to_radians()/ 2.0f ); tux_position += circle_center; tux_position.x -= tux.get_width()/2; tux_position.y -= tux.get_height()/2; // Give tux circle blue outer outline, because it looks nice canvas.fill_circle(tux_position.x + tux_radius, tux_position.y + tux_radius, tux_radius+tux_circle, clan::Colorf(0.0f, 0.0f, 1.0f, 1.0f)); // Make see through border canvas.set_blend_state(blend_state_off); canvas.fill_circle(tux_position.x + tux_radius, tux_position.y + tux_radius, tux_radius+tux_circle-2, clan::Colorf(0.0f, 0.0f, 0.0f, 0.0f)); canvas.reset_blend_state(); // Give tux circle blue outline, to mask the alpha channel canvas.fill_circle(tux_position.x + tux_radius, tux_position.y + tux_radius, tux_radius+2, clan::Colorf(0.0f, 0.0f, 1.0f, 1.0f)); // Draw tux tux.draw(canvas, tux_position.x, tux_position.y); // Draw text font_large.draw_text(canvas, 10-2, 50-2, "ClanLib Layered Window", clan::Colorf(0.1f, 0.1f, 0.1f, 1.0f)); font_large.draw_text(canvas, 10, 50, "ClanLib Layered Window", clan::Colorf::green); font_small.draw_text(canvas, 60-2, 80-2, "Click mouse on the penguin to exit", clan::Colorf(0.1f, 0.1f, 0.1f, 1.0f)); font_small.draw_text(canvas, 60, 80, "Click mouse on the penguin to exit", clan::Colorf::green); font_small.draw_text(canvas, 110-2, 110-2, "Drag rock to move window", clan::Colorf(0.1f, 0.1f, 0.1f, 1.0f)); font_small.draw_text(canvas, 110, 110, "Drag rock to move window", clan::Colorf::green); window.flip(1); return !quit; }
bool GUI::run(clan::GameTime &game_time) { clan::Canvas canvas = app->get_canvas(); canvas.fill_rect(canvas.get_size(), clan::Gradient(clan::Colorf(0.4f, 0.4f, 0.4f, 1.0f), clan::Colorf(0.0f, 0.0f, 0.0f, 1.0f))); gui_direct->gui_manager.render_windows(); std::string fps = clan::string_format("FPS: %1", clan::StringHelp::float_to_text(game_time.get_updates_per_second(), 1)); fps_font.draw_text(canvas, canvas.get_width() - 100 - 2, 24 - 2, fps, clan::Colorf(0.0f, 0.0f, 0.0f, 1.0f)); fps_font.draw_text(canvas, canvas.get_width() - 100, 24, fps, clan::Colorf::white); fps_font.draw_text(canvas, 24, canvas.get_height() - 48, "Rendering GUI, Directly onto the display window. Some demo windows disabled to improve FPS (in gui_direct.cpp)", clan::Colorf(1.0f, 1.0f, 1.0f, 1.0f)); balls.Run(canvas, game_time.get_time_elapsed()); clan::KeepAlive::process(); app->get_window()->flip(0); return true; }