- let (mut canvas, mut event_pump) = init();
-
- let mut frame_count: u64 = 0;
- let mut fps_time = PreciseTime::now();
-
- let mut bolls: Bollar = Bollar::new();
- let mut boll_size = 1;
-
- let texture_creator = canvas.texture_creator();
- let textures = load_textures(&texture_creator);
- let mut mario_angle = 0.0;
-
- 'running: loop {
- let loop_start = PreciseTime::now();
- canvas.set_draw_color(Color::RGB(0, 0, 0));
- canvas.clear();
- {
- let blocks = 20;
- let size = 32;
- let offset = point!((SCREEN_WIDTH as i32 - (blocks + 1) * size) / 2, (SCREEN_HEIGHT as i32 - (blocks + 1) * size) / 2);
- for i in 0..blocks {
- canvas.copy(&(textures.get("block").unwrap()), None, Rect::new((i) * size + offset.x, (0) * size + offset.y, size as u32, size as u32)).unwrap();
- canvas.copy(&(textures.get("block").unwrap()), None, Rect::new((blocks - i) * size + offset.x, (blocks) * size + offset.y, size as u32, size as u32)).unwrap();
- canvas.copy(&(textures.get("block").unwrap()), None, Rect::new((0) * size + offset.x, (blocks - i) * size + offset.y, size as u32, size as u32)).unwrap();
- canvas.copy(&(textures.get("block").unwrap()), None, Rect::new((blocks) * size + offset.x, (i) * size + offset.y, size as u32, size as u32)).unwrap();
- }
- }
- {
- let size = 64;
- let offset = point!((SCREEN_WIDTH as i32 - size) / 2, (SCREEN_HEIGHT as i32 - size) / 2);
- let radius = 110.0 + size as f32 * 0.5;
- let angle = (mario_angle as f32 - 90.0) * PI / 180.0;
- let offset2 = point!((angle.cos() * radius) as i32, (angle.sin() * radius) as i32);
- canvas.copy_ex(&(textures.get("mario").unwrap()), None, Rect::new(offset.x + offset2.x, offset.y + offset2.y, size as u32, size as u32), mario_angle, sdl2::rect::Point::new(size / 2, size / 2), false, false).unwrap();
- mario_angle += 1.0;
- if mario_angle >= 360.0 { mario_angle -= 360.0 }
- }
- {
- let p = point!((SCREEN_WIDTH / 2) as i16, (SCREEN_HEIGHT / 2) as i16);
- canvas.circle(p.x, p.y, 100, Color::RGB(255, 255, 255)).unwrap();
- canvas.aa_circle(p.x, p.y, 110, Color::RGB(255, 255, 255)).unwrap();
- canvas.ellipse(p.x, p.y, 50, 100, Color::RGB(255, 255, 255)).unwrap();
- canvas.aa_ellipse(p.x, p.y, 110, 55, Color::RGB(255, 255, 255)).unwrap();
- }
-
- for b in &mut bolls {
- b.update();
- b.draw(&mut canvas, boll_size);
- }
-
-// window.gl_swap_window();
- for event in event_pump.poll_iter() {
- match event {
- Event::Quit { .. } | Event::KeyDown { keycode: Some(Keycode::Escape), .. } => {
- break 'running;
- }
- Event::KeyDown { keycode: Some(Keycode::F11), .. } => {
- canvas.window_mut()
- .set_fullscreen(sdl2::video::FullscreenType::True).unwrap();
- }
- Event::KeyDown { keycode: Some(Keycode::KpPlus), .. } => { boll_size = std::cmp::min(boll_size + 1, 32) }
- Event::KeyDown { keycode: Some(Keycode::KpMinus), .. } => { boll_size = std::cmp::max(boll_size - 1, 1) }
- Event::MouseMotion { x, y, .. } => { bolls.push(Box::new(SquareBoll {
- pos: point!(x as f64, y as f64),
- vel: point!(0.0, 0.0),
- })) }
- _ => {}
- }
- }
- canvas.present();
-
- match loop_start.to(PreciseTime::now()).num_nanoseconds() {
- Some(ns) if ns < (NS_PER_FRAME - 50_0000) as i64 => { change_boll_count(&mut bolls, 100) }
- Some(ns) if ns > (NS_PER_FRAME + 50_0000) as i64 => { change_boll_count(&mut bolls, -100) }
- _ => {}
- }
-
- frame_count += 1;
- if frame_count == FPS as u64 {
- let duration = fps_time.to(PreciseTime::now()).num_nanoseconds().unwrap() as f64 / 1_000_000_000.0;
- println!("fps: {}", frame_count as f64 / duration);
- frame_count = 0;
- fps_time = PreciseTime::now();
- }
- }
-
- println!("number of bolls: {}", bolls.len());
-}
-
-fn change_boll_count(mut bolls: &mut Bollar, delta: i32) {
- if delta > 0 {
- for _i in 0..delta {
- add_boll(&mut bolls);
- }
- } else if delta < 0 {
- for _i in 0..delta {
- bolls.pop();
- }
- }
-}