gh push for access

src/main.rs

@@ -0,0 +1,108 @@
+use sfml::graphics::*;
+use sfml::window::*;
+use sfml::SfResult;
+use sfml::system::{Vector2f, Clock};
+use std::rc::Rc;
+use std::cell::RefCell;
+
+mod particle;
+use particle::Particle;
+
+mod link;
+use link::Link;
+
+//const GRAVITY: f32 = 100.;
+
+fn populate_particles(particles: Vec<Particle>) {
+
+}
+
+fn populate_links(links: Vec<Link>) {
+
+}
+
+fn apply_forces(particles: Vec<Particle>) {
+
+}
+
+fn update_particles(particles: Vec<Particle>) {
+
+}
+
+fn solve_links(links: Vec<Link>) {
+
+}
+
+fn update_positions(circles: Vec<CircleShape>) {
+
+}
+
+fn main() -> SfResult<()> {
+    let mut window = RenderWindow::new(
+        (800, 600),
+        "Verlet",
+        Style::CLOSE,
+        &Default::default()
+    )?;
+    window.set_framerate_limit(60);
+
+    let mut clock = Clock::start()?;
+
+    let mut particles: Vec<Particle> = vec![];
+    populate_particles(particles);
+    let particle1 = Rc::new(RefCell::new(Particle::new(Vector2f::new(200., 300.))));
+    let particle2 = Rc::new(RefCell::new(Particle::new(Vector2f::new(300., 300.))));
+    let particle3 = Rc::new(RefCell::new(Particle::new(Vector2f::new(400., 300.))));
+
+    let mut link1 = Link::new(Rc::clone(&particle1), Rc::clone(&particle2), 100.);
+    let mut link2 = Link::new(Rc::clone(&particle2), Rc::clone(&particle3), 100.);
+    let mut link3 = Link::new(Rc::clone(&particle1), Rc::clone(&particle3), 200.);
+
+    let radius = 32.;
+    let mut circle1 = CircleShape::new(radius, 100);
+    let mut circle2 = CircleShape::new(radius, 100);
+    let mut circle3 = CircleShape::new(radius, 100);
+    circle1.set_origin((radius, radius));
+    circle2.set_origin((radius, radius));
+    circle3.set_origin((radius, radius));
+
+    while window.is_open() {
+        while let Some(event) = window.poll_event() {
+            match event {
+                Event::Closed => window.close(),
+                _ => {}
+            }
+        }
+
+        if mouse::Button::is_pressed(mouse::Button::Left) {
+            let mouse_pos = window.mouse_position();
+            let mouse_coords = window.map_pixel_to_coords_current_view(mouse_pos);
+            let p_pos = particle1.borrow().pos;
+            particle2.borrow_mut().apply_force(mouse_coords - p_pos);
+        }
+
+        let dt = clock.restart().as_seconds();
+
+        //particle.apply_force(Vector2f::new(0., GRAVITY));
+
+        particle1.borrow_mut().update(dt);
+        particle2.borrow_mut().update(dt);
+        particle3.borrow_mut().update(dt);
+
+        link1.solve();
+        link2.solve();
+        link3.solve();
+
+        circle1.set_position(particle1.borrow().pos);
+        circle2.set_position(particle2.borrow().pos);
+        circle3.set_position(particle3.borrow().pos);
+
+        window.clear(Color::BLACK);
+        window.draw(&circle1);
+        window.draw(&circle2);
+        window.draw(&circle3);
+        window.display();
+    }
+
+    Ok(())
+}