Initial commit

examples/old/live.rs

@@ -0,0 +1,91 @@
+use crate::{
+	model::{Coloring, Model, Settings},
+	solver::Solver,
+	space::Space,
+};
+
+use sdl2::{event::Event, keyboard::Keycode, pixels::PixelFormatEnum};
+use std::{
+	sync::{Arc, RwLock, RwLockReadGuard},
+	time::Duration,
+};
+
+const FRAMEDUR: u64 = 30;
+
+pub fn run<
+	T: Copy,
+	P,
+	S: Settings,
+	M: Model<T, S, D> + Coloring<T, P, [u8; 3], D>,
+	V: Solver<T, S, M, D>,
+	const D: usize,
+>(
+	space: Arc<RwLock<Space<T, S, M, V, D>>>,
+) {
+	let sdl_context = sdl2::init().unwrap();
+	let video_subsystem = sdl_context.video().unwrap();
+
+	let size = space.read().unwrap().size;
+
+	let window = video_subsystem
+		.window("Model", size.0 as u32, size.1 as u32)
+		.resizable()
+		.position_centered()
+		.opengl()
+		.build()
+		.unwrap();
+
+	let mut canvas = window.into_canvas().build().unwrap();
+	let texture_creator = canvas.texture_creator();
+
+	let mut event_pump = sdl_context.event_pump().unwrap();
+	let interval = Duration::from_millis(FRAMEDUR);
+
+	let mut image = vec![0u8; size.0 * size.1 * 3];
+
+	'running: loop {
+		for event in event_pump.poll_iter() {
+			match event {
+				Event::Quit { .. }
+				| Event::KeyDown {
+					keycode: Some(Keycode::Escape),
+					..
+				} => {
+					break 'running;
+				}
+				_ => {}
+			}
+		}
+
+		render(space.read().unwrap(), &mut image);
+
+		let mut texture = texture_creator
+			.create_texture_streaming(PixelFormatEnum::RGB24, size.0 as u32, size.1 as u32)
+			.unwrap();
+		texture.update(None, &image, size.0 * 3).unwrap();
+		canvas.copy(&texture, None, None).unwrap();
+
+		canvas.present();
+
+		std::thread::sleep(interval);
+	}
+}
+
+fn render<
+	T: Copy,
+	P,
+	S: Settings,
+	M: Model<T, S, D> + Coloring<T, P, [u8; 3], D>,
+	V: Solver<T, S, M, D>,
+	const D: usize,
+>(
+	space: RwLockReadGuard<Space<T, S, M, V, D>>,
+	image: &mut Vec<u8>,
+) {
+	image.resize(space.points.len() * 3, 0);
+	if let Some(pre) = M::prepare(space.points.iter().map(|point| point.pos)) {
+		for (i, point) in space.points.iter().enumerate() {
+			image[i * 3..i * 3 + 3].copy_from_slice(&M::color(&pre, point.pos));
+		}
+	}
+}