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296187ca TW |
1 | extern crate rand; |
2 | extern crate sdl2; | |
3 | extern crate time; | |
4 | ||
296187ca TW |
5 | use std::f32::consts::PI; |
6 | ||
7 | use rand::Rng; | |
8 | use sdl2::event::Event; | |
fcbc5786 | 9 | use sdl2::event::WindowEvent; |
296187ca TW |
10 | use sdl2::EventPump; |
11 | use sdl2::gfx::primitives::DrawRenderer; | |
296187ca TW |
12 | use sdl2::keyboard::Keycode; |
13 | use sdl2::pixels::Color; | |
14 | use sdl2::rect::Rect; | |
15 | use sdl2::render::BlendMode; | |
16 | use sdl2::render::Canvas; | |
cf7dc104 | 17 | use sdl2::video::FullscreenType; |
296187ca | 18 | use sdl2::video::Window; |
296187ca TW |
19 | use time::PreciseTime; |
20 | ||
cdf8f998 | 21 | use boll::{Boll, CircleBoll, SquareBoll}; |
296187ca | 22 | use common::Point2D; |
cdf8f998 | 23 | use sprites::SpriteManager; |
296187ca TW |
24 | |
25 | #[macro_use] mod common; | |
26 | mod boll; | |
cdf8f998 | 27 | mod sprites; |
296187ca TW |
28 | |
29 | const SCREEN_WIDTH: u32 = 1280; | |
30 | const SCREEN_HEIGHT: u32 = (SCREEN_WIDTH as f64 * (1440.0 / 2560.0)) as u32; | |
31 | const FPS: u32 = 60; | |
32 | const NS_PER_FRAME: u32 = 1_000_000_000 / FPS; | |
33 | ||
c315bb31 TW |
34 | type Bollar = Vec<Box<dyn Boll>>; |
35 | ||
fcbc5786 TW |
36 | struct App { |
37 | canvas: Canvas<Window>, | |
38 | event_pump: EventPump, | |
39 | sprites: SpriteManager, | |
296187ca TW |
40 | } |
41 | ||
fcbc5786 TW |
42 | impl App { |
43 | fn new() -> App { | |
44 | let context = sdl2::init().unwrap(); | |
45 | sdl2::image::init(sdl2::image::InitFlag::PNG).unwrap(); | |
46 | let window = context.video().unwrap().window("SDL test", SCREEN_WIDTH, SCREEN_HEIGHT) | |
47 | .position_centered() | |
48 | .opengl() | |
49 | .build() | |
50 | .unwrap(); | |
51 | context.mouse().show_cursor(false); | |
52 | let mut canvas = window.into_canvas().build().unwrap(); | |
53 | canvas.set_blend_mode(BlendMode::Add); | |
54 | canvas.set_draw_color(Color::RGB(0, 0, 0)); | |
55 | canvas.clear(); | |
56 | canvas.present(); | |
57 | let event_pump = context.event_pump().unwrap(); | |
58 | let sprites = SpriteManager::new(canvas.texture_creator()); | |
59 | App { | |
60 | canvas, | |
61 | event_pump, | |
62 | sprites, | |
63 | } | |
64 | } | |
65 | ||
66 | fn load_sprites(&mut self, sprites: &[(&'static str, &str)]) { | |
67 | for (name, file) in sprites { | |
68 | self.sprites.load(name, file); | |
69 | } | |
70 | } | |
296187ca TW |
71 | } |
72 | ||
73 | fn main() { | |
74 | println!("starting..."); | |
fcbc5786 TW |
75 | let mut app = App::new(); |
76 | app.load_sprites(&[ | |
77 | ("block", "res/block.bmp"), | |
78 | ("mario", "res/mario-trans.png"), | |
79 | ]); | |
296187ca TW |
80 | |
81 | let mut frame_count: u64 = 0; | |
82 | let mut fps_time = PreciseTime::now(); | |
83 | ||
c315bb31 | 84 | let mut bolls: Bollar = Bollar::new(); |
296187ca TW |
85 | let mut boll_size = 1; |
86 | ||
296187ca TW |
87 | let mut mario_angle = 0.0; |
88 | ||
89 | 'running: loop { | |
90 | let loop_start = PreciseTime::now(); | |
fcbc5786 TW |
91 | app.canvas.set_draw_color(Color::RGB(0, 0, 0)); |
92 | app.canvas.clear(); | |
296187ca TW |
93 | { |
94 | let blocks = 20; | |
95 | let size = 32; | |
96 | let offset = point!((SCREEN_WIDTH as i32 - (blocks + 1) * size) / 2, (SCREEN_HEIGHT as i32 - (blocks + 1) * size) / 2); | |
fcbc5786 | 97 | let block = app.sprites.get("block"); |
296187ca | 98 | for i in 0..blocks { |
fcbc5786 TW |
99 | app.canvas.copy(block, None, Rect::new((i) * size + offset.x, (0) * size + offset.y, size as u32, size as u32)).unwrap(); |
100 | app.canvas.copy(block, None, Rect::new((blocks - i) * size + offset.x, (blocks) * size + offset.y, size as u32, size as u32)).unwrap(); | |
101 | app.canvas.copy(block, None, Rect::new((0) * size + offset.x, (blocks - i) * size + offset.y, size as u32, size as u32)).unwrap(); | |
102 | app.canvas.copy(block, None, Rect::new((blocks) * size + offset.x, (i) * size + offset.y, size as u32, size as u32)).unwrap(); | |
296187ca TW |
103 | } |
104 | } | |
105 | { | |
106 | let size = 64; | |
107 | let offset = point!((SCREEN_WIDTH as i32 - size) / 2, (SCREEN_HEIGHT as i32 - size) / 2); | |
108 | let radius = 110.0 + size as f32 * 0.5; | |
109 | let angle = (mario_angle as f32 - 90.0) * PI / 180.0; | |
110 | let offset2 = point!((angle.cos() * radius) as i32, (angle.sin() * radius) as i32); | |
fcbc5786 | 111 | 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(); |
296187ca TW |
112 | mario_angle += 1.0; |
113 | if mario_angle >= 360.0 { mario_angle -= 360.0 } | |
114 | } | |
115 | { | |
116 | let p = point!((SCREEN_WIDTH / 2) as i16, (SCREEN_HEIGHT / 2) as i16); | |
fcbc5786 TW |
117 | app.canvas.circle(p.x, p.y, 100, Color::RGB(255, 255, 255)).unwrap(); |
118 | app.canvas.aa_circle(p.x, p.y, 110, Color::RGB(255, 255, 255)).unwrap(); | |
119 | app.canvas.ellipse(p.x, p.y, 50, 100, Color::RGB(255, 255, 255)).unwrap(); | |
120 | app.canvas.aa_ellipse(p.x, p.y, 110, 55, Color::RGB(255, 255, 255)).unwrap(); | |
296187ca TW |
121 | } |
122 | ||
123 | for b in &mut bolls { | |
124 | b.update(); | |
fcbc5786 | 125 | b.draw(&mut app.canvas, boll_size); |
296187ca TW |
126 | } |
127 | ||
128 | // window.gl_swap_window(); | |
fcbc5786 | 129 | for event in app.event_pump.poll_iter() { |
296187ca TW |
130 | match event { |
131 | Event::Quit { .. } | Event::KeyDown { keycode: Some(Keycode::Escape), .. } => { | |
132 | break 'running; | |
133 | } | |
134 | Event::KeyDown { keycode: Some(Keycode::F11), .. } => { | |
fcbc5786 TW |
135 | match app.canvas.window().fullscreen_state() { |
136 | FullscreenType::Off => app.canvas.window_mut().set_fullscreen(FullscreenType::Desktop), | |
137 | _ => app.canvas.window_mut().set_fullscreen(FullscreenType::Off) | |
cf7dc104 | 138 | }.unwrap(); |
296187ca TW |
139 | } |
140 | Event::KeyDown { keycode: Some(Keycode::KpPlus), .. } => { boll_size = std::cmp::min(boll_size + 1, 32) } | |
141 | Event::KeyDown { keycode: Some(Keycode::KpMinus), .. } => { boll_size = std::cmp::max(boll_size - 1, 1) } | |
6c5dd5cf TW |
142 | Event::MouseMotion { x, y, .. } => { |
143 | bolls.push(Box::new(CircleBoll::new( | |
144 | point!(x as f64, y as f64), | |
145 | point!(0.0, 0.0), | |
146 | ))) | |
147 | } | |
d0c9b1f5 TW |
148 | Event::Window { win_event: WindowEvent::Resized(x, y), .. } => { println!("window resized({}, {})", x, y) } |
149 | Event::Window { win_event: WindowEvent::Maximized, .. } => { println!("window maximized") } | |
150 | Event::Window { win_event: WindowEvent::Restored, .. } => { println!("window restored") } | |
151 | Event::Window { win_event: WindowEvent::Enter, .. } => { println!("window enter") } | |
152 | Event::Window { win_event: WindowEvent::Leave, .. } => { println!("window leave") } | |
153 | Event::Window { win_event: WindowEvent::FocusGained, .. } => { println!("window focus gained") } | |
154 | Event::Window { win_event: WindowEvent::FocusLost, .. } => { println!("window focus lost") } | |
296187ca TW |
155 | _ => {} |
156 | } | |
157 | } | |
fcbc5786 | 158 | app.canvas.present(); |
296187ca TW |
159 | |
160 | match loop_start.to(PreciseTime::now()).num_nanoseconds() { | |
161 | Some(ns) if ns < (NS_PER_FRAME - 50_0000) as i64 => { change_boll_count(&mut bolls, 100) } | |
162 | Some(ns) if ns > (NS_PER_FRAME + 50_0000) as i64 => { change_boll_count(&mut bolls, -100) } | |
163 | _ => {} | |
164 | } | |
165 | ||
166 | frame_count += 1; | |
167 | if frame_count == FPS as u64 { | |
168 | let duration = fps_time.to(PreciseTime::now()).num_nanoseconds().unwrap() as f64 / 1_000_000_000.0; | |
169 | println!("fps: {}", frame_count as f64 / duration); | |
170 | frame_count = 0; | |
171 | fps_time = PreciseTime::now(); | |
172 | } | |
173 | } | |
174 | ||
175 | println!("number of bolls: {}", bolls.len()); | |
176 | } | |
177 | ||
c315bb31 | 178 | fn change_boll_count(mut bolls: &mut Bollar, delta: i32) { |
296187ca TW |
179 | if delta > 0 { |
180 | for _i in 0..delta { | |
181 | add_boll(&mut bolls); | |
182 | } | |
183 | } else if delta < 0 { | |
184 | for _i in 0..delta { | |
185 | bolls.pop(); | |
186 | } | |
187 | } | |
188 | } | |
189 | ||
c315bb31 | 190 | fn add_boll(bolls: &mut Bollar) { |
296187ca | 191 | let mut rng = rand::thread_rng(); |
c315bb31 | 192 | bolls.push(Box::new(SquareBoll { |
296187ca TW |
193 | pos: point!(rng.gen_range(0, SCREEN_WIDTH) as f64, rng.gen_range(0, SCREEN_HEIGHT) as f64), |
194 | vel: point!(rng.gen_range(-2.0, 2.0), rng.gen_range(-2.0, 2.0)), | |
c315bb31 | 195 | })); |
296187ca | 196 | } |