| 1 | extern crate rand; |
| 2 | extern crate sdl2; |
| 3 | extern crate time; |
| 4 | |
| 5 | use std::f32::consts::PI; |
| 6 | |
| 7 | use rand::Rng; |
| 8 | use sdl2::event::Event; |
| 9 | use sdl2::event::WindowEvent; |
| 10 | use sdl2::gfx::primitives::DrawRenderer; |
| 11 | use sdl2::keyboard::Keycode; |
| 12 | use sdl2::pixels::Color; |
| 13 | use sdl2::rect::Rect; |
| 14 | use sdl2::video::FullscreenType; |
| 15 | use time::PreciseTime; |
| 16 | |
| 17 | use app::*; |
| 18 | use boll::{Boll, CircleBoll, SquareBoll}; |
| 19 | use common::Point2D; |
| 20 | |
| 21 | mod app; |
| 22 | #[macro_use] mod common; |
| 23 | mod boll; |
| 24 | mod sprites; |
| 25 | |
| 26 | const SCREEN_WIDTH: u32 = 1280; |
| 27 | const SCREEN_HEIGHT: u32 = (SCREEN_WIDTH as f64 * (1440.0 / 2560.0)) as u32; |
| 28 | const FPS: u32 = 60; |
| 29 | const NS_PER_FRAME: u32 = 1_000_000_000 / FPS; |
| 30 | |
| 31 | type Bollar = Vec<Box<dyn Boll>>; |
| 32 | |
| 33 | fn main() { |
| 34 | println!("starting..."); |
| 35 | let mut app = App::new(); |
| 36 | app.load_sprites(&[ |
| 37 | ("block", "res/block.bmp"), |
| 38 | ("mario", "res/mario-trans.png"), |
| 39 | ]); |
| 40 | |
| 41 | let mut frame_count: u64 = 0; |
| 42 | let mut fps_time = PreciseTime::now(); |
| 43 | |
| 44 | let mut bolls: Bollar = Bollar::new(); |
| 45 | let mut boll_size = 1; |
| 46 | |
| 47 | let mut mario_angle = 0.0; |
| 48 | |
| 49 | 'running: loop { |
| 50 | let loop_start = PreciseTime::now(); |
| 51 | app.canvas.set_draw_color(Color::RGB(0, 0, 0)); |
| 52 | app.canvas.clear(); |
| 53 | { |
| 54 | let blocks = 20; |
| 55 | let size = 32; |
| 56 | let offset = point!((SCREEN_WIDTH as i32 - (blocks + 1) * size) / 2, (SCREEN_HEIGHT as i32 - (blocks + 1) * size) / 2); |
| 57 | let block = app.sprites.get("block"); |
| 58 | for i in 0..blocks { |
| 59 | app.canvas.copy(block, None, Rect::new((i) * size + offset.x, (0) * size + offset.y, size as u32, size as u32)).unwrap(); |
| 60 | app.canvas.copy(block, None, Rect::new((blocks - i) * size + offset.x, (blocks) * size + offset.y, size as u32, size as u32)).unwrap(); |
| 61 | app.canvas.copy(block, None, Rect::new((0) * size + offset.x, (blocks - i) * size + offset.y, size as u32, size as u32)).unwrap(); |
| 62 | app.canvas.copy(block, None, Rect::new((blocks) * size + offset.x, (i) * size + offset.y, size as u32, size as u32)).unwrap(); |
| 63 | } |
| 64 | } |
| 65 | { |
| 66 | let size = 64; |
| 67 | let offset = point!((SCREEN_WIDTH as i32 - size) / 2, (SCREEN_HEIGHT as i32 - size) / 2); |
| 68 | let radius = 110.0 + size as f32 * 0.5; |
| 69 | let angle = (mario_angle as f32 - 90.0) * PI / 180.0; |
| 70 | let offset2 = point!((angle.cos() * radius) as i32, (angle.sin() * radius) as i32); |
| 71 | app.canvas.copy_ex(app.sprites.get("mario"), 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(); |
| 72 | mario_angle += 1.0; |
| 73 | if mario_angle >= 360.0 { mario_angle -= 360.0 } |
| 74 | } |
| 75 | { |
| 76 | let p = point!((SCREEN_WIDTH / 2) as i16, (SCREEN_HEIGHT / 2) as i16); |
| 77 | app.canvas.circle(p.x, p.y, 100, Color::RGB(255, 255, 255)).unwrap(); |
| 78 | app.canvas.aa_circle(p.x, p.y, 110, Color::RGB(255, 255, 255)).unwrap(); |
| 79 | app.canvas.ellipse(p.x, p.y, 50, 100, Color::RGB(255, 255, 255)).unwrap(); |
| 80 | app.canvas.aa_ellipse(p.x, p.y, 110, 55, Color::RGB(255, 255, 255)).unwrap(); |
| 81 | } |
| 82 | |
| 83 | for b in &mut bolls { |
| 84 | b.update(); |
| 85 | b.draw(&mut app.canvas, boll_size); |
| 86 | } |
| 87 | |
| 88 | // window.gl_swap_window(); |
| 89 | for event in app.event_pump.poll_iter() { |
| 90 | match event { |
| 91 | Event::Quit { .. } | Event::KeyDown { keycode: Some(Keycode::Escape), .. } => { |
| 92 | break 'running; |
| 93 | } |
| 94 | Event::KeyDown { keycode: Some(Keycode::F11), .. } => { |
| 95 | match app.canvas.window().fullscreen_state() { |
| 96 | FullscreenType::Off => app.canvas.window_mut().set_fullscreen(FullscreenType::Desktop), |
| 97 | _ => app.canvas.window_mut().set_fullscreen(FullscreenType::Off) |
| 98 | }.unwrap(); |
| 99 | } |
| 100 | Event::KeyDown { keycode: Some(Keycode::KpPlus), .. } => { boll_size = std::cmp::min(boll_size + 1, 32) } |
| 101 | Event::KeyDown { keycode: Some(Keycode::KpMinus), .. } => { boll_size = std::cmp::max(boll_size - 1, 1) } |
| 102 | Event::MouseMotion { x, y, .. } => { |
| 103 | bolls.push(Box::new(CircleBoll::new( |
| 104 | point!(x as f64, y as f64), |
| 105 | point!(0.0, 0.0), |
| 106 | ))) |
| 107 | } |
| 108 | Event::Window { win_event: WindowEvent::Resized(x, y), .. } => { println!("window resized({}, {})", x, y) } |
| 109 | Event::Window { win_event: WindowEvent::Maximized, .. } => { println!("window maximized") } |
| 110 | Event::Window { win_event: WindowEvent::Restored, .. } => { println!("window restored") } |
| 111 | Event::Window { win_event: WindowEvent::Enter, .. } => { println!("window enter") } |
| 112 | Event::Window { win_event: WindowEvent::Leave, .. } => { println!("window leave") } |
| 113 | Event::Window { win_event: WindowEvent::FocusGained, .. } => { println!("window focus gained") } |
| 114 | Event::Window { win_event: WindowEvent::FocusLost, .. } => { println!("window focus lost") } |
| 115 | _ => {} |
| 116 | } |
| 117 | } |
| 118 | app.canvas.present(); |
| 119 | |
| 120 | match loop_start.to(PreciseTime::now()).num_nanoseconds() { |
| 121 | Some(ns) if ns < (NS_PER_FRAME - 50_0000) as i64 => { change_boll_count(&mut bolls, 100) } |
| 122 | Some(ns) if ns > (NS_PER_FRAME + 50_0000) as i64 => { change_boll_count(&mut bolls, -100) } |
| 123 | _ => {} |
| 124 | } |
| 125 | |
| 126 | frame_count += 1; |
| 127 | if frame_count == FPS as u64 { |
| 128 | let duration = fps_time.to(PreciseTime::now()).num_nanoseconds().unwrap() as f64 / 1_000_000_000.0; |
| 129 | println!("fps: {}", frame_count as f64 / duration); |
| 130 | frame_count = 0; |
| 131 | fps_time = PreciseTime::now(); |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | println!("number of bolls: {}", bolls.len()); |
| 136 | } |
| 137 | |
| 138 | fn change_boll_count(mut bolls: &mut Bollar, delta: i32) { |
| 139 | if delta > 0 { |
| 140 | for _i in 0..delta { |
| 141 | add_boll(&mut bolls); |
| 142 | } |
| 143 | } else if delta < 0 { |
| 144 | for _i in 0..delta { |
| 145 | bolls.pop(); |
| 146 | } |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | fn add_boll(bolls: &mut Bollar) { |
| 151 | let mut rng = rand::thread_rng(); |
| 152 | bolls.push(Box::new(SquareBoll { |
| 153 | pos: point!(rng.gen_range(0, SCREEN_WIDTH) as f64, rng.gen_range(0, SCREEN_HEIGHT) as f64), |
| 154 | vel: point!(rng.gen_range(-2.0, 2.0), rng.gen_range(-2.0, 2.0)), |
| 155 | })); |
| 156 | } |