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mod poly;
mod number;
mod lerp;
use number::Number;
use lerp::Lerp;
use std::thread;
use std::time::Duration;
use sdl2::pixels::Color;
use sdl2::event::Event;
use sdl2::keyboard::Keycode;
use sdl2::rect::Rect;
fn main() {
//let a = Lerp::new(vec![2.0, -2.0, 2.0]);
//let b = Lerp::new(vec![-1.0, 1.0, 2.0]);
//let pa = lerp::lp(a);
//let pb = lerp::lp(b);
let pa = vec![1.0, 5.0, -2.0];
let pb = vec![5.0, -4.0, 0.0];
let p = poly::gcd(&pa, &pb);
let sdl_context = sdl2::init().unwrap();
let video_subsystem = sdl_context.video().unwrap();
let window = video_subsystem.window("rust-sdl2 demo", 800, 600)
.position_centered()
.build()
.unwrap();
let mut canvas = window.into_canvas().build().unwrap();
let mut event_pump = sdl_context.event_pump().unwrap();
'running: loop {
canvas.set_draw_color(Color::RGB(20, 20, 20));
canvas.clear();
for event in event_pump.poll_iter() {
match event {
Event::Quit {..} |
Event::KeyDown { keycode: Some(Keycode::Escape), .. } => {
break 'running
},
_ => {}
}
}
let s = -600.0 / 10.0;
let k = 600.0 / 2.0;
for t in -800..800 {
let x = k + s * poly::eval_poly(&pa, t as Number / 100.0);
let y = k + s * poly::eval_poly(&pb, t as Number / 100.0);
let z = k + s * poly::eval_poly(&p, t as Number / 100.0);
canvas.set_draw_color(Color::RGB(180, 20, 20));
canvas.fill_rect(Rect::new(400 + t, x as i32, 5, 5)).unwrap();
canvas.set_draw_color(Color::RGB(20, 180, 20));
canvas.fill_rect(Rect::new(400 + t, y as i32, 5, 5)).unwrap();
canvas.set_draw_color(Color::RGB(20, 20, 180));
canvas.fill_rect(Rect::new(400 + t, z as i32, 2, 2)).unwrap();
canvas.set_draw_color(Color::RGB(255, 0, 0));
canvas.fill_rect(Rect::new(400 + t, k as i32, 2, 2)).unwrap();
}
canvas.present();
thread::sleep(Duration::new(0, 1_000_000_000u32 / 60));
}
}
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