fractals/src/main.rs

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Rust
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extern crate sdl2;
use sdl2::pixels::Color;
use sdl2::event::Event;
use sdl2::keyboard::Keycode;
use std::time::Duration;
pub fn main() {
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println!("Hello, world!");
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let sdl_context = sdl2::init().unwrap();
let vide_subsystem = sdl_context.video().unwrap();
let window = vide_subsystem.window("fractals", 800, 600)
.position_centered()
.build()
.unwrap();
let mut canvas = window.into_canvas().build().unwrap();
canvas.set_draw_color(Color::RGB(0, 255, 255));
canvas.clear();
canvas.present();
let mut event_pump = sdl_context.event_pump().unwrap();
let mut i = 0;
'running: loop {
i = (i + 1) % 255;
canvas.set_draw_color(Color::RGB(i, 64, 255 - i));
canvas.clear();
for event in event_pump.poll_iter() {
match event {
Event::Quit { .. } |
Event::KeyDown { keycode: Some(Keycode::Escape), .. } => {
break 'running
},
_ => {}
}
}
canvas.present();
::std::thread::sleep(Duration::new(0, 1_000_000_000 / 60));
}
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}