46 lines
1.2 KiB
Rust
46 lines
1.2 KiB
Rust
extern crate sdl2;
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use sdl2::pixels::Color;
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use sdl2::event::Event;
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use sdl2::keyboard::Keycode;
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use std::time::Duration;
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pub fn main() {
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println!("Hello, world!");
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let sdl_context = sdl2::init().unwrap();
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let video_subsystem = sdl_context.video().unwrap();
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let window = match (video_subsystem.window("fractals", 800, 600)
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.position_centered()
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.build()) {
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Ok(w) => { w },
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Err(_) => { panic!("Can not build window!") }
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};
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let mut canvas = window.into_canvas().build().unwrap();
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canvas.set_draw_color(Color::RGB(0, 255, 255));
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canvas.clear();
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canvas.present();
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let mut event_pump = sdl_context.event_pump().unwrap();
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let mut i = 0;
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'running: loop {
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i = (i + 1) % 255;
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canvas.set_draw_color(Color::RGB(i, 64, 255 - i));
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canvas.clear();
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for event in event_pump.poll_iter() {
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match event {
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Event::Quit { .. } |
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Event::KeyDown { keycode: Some(Keycode::Escape), .. } => {
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break 'running
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},
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_ => {}
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}
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}
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canvas.present();
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::std::thread::sleep(Duration::new(0, 1_000_000_000 / 60));
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}
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}
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