Examples with Particle edu.princeton.cs.algs4.Particle used on opensource projects

Example 1 with Particle

use of edu.princeton.cs.algs4.Particle in project AlgorithmsSolutions by Allenskoo856.

the class CollisionSystem method main.

public static void main(String[] args) {
    StdDraw.show(0);
    int N = Integer.parseInt(args[0]);
    Particle[] particles = new Particle[N];
    for (int i = 0; i < N; i++) {
        particles[i] = new Particle();
    }
    CollisionSystem system = new CollisionSystem(particles);
    system.simulate(10000, 0.5);
}

Example 2 with Particle

use of edu.princeton.cs.algs4.Particle in project AlgorithmsSolutions by Allenskoo856.

the class CollisionSystem method simulate.

public void simulate(double limit, double Hz) {
    pq = new MinPQ<Event>();
    for (int i = 0; i < particles.length; i++) {
        predictCollisions(particles[i], limit);
    }
    pq.insert(new Event(0, null, null));
    while (!pq.isEmpty()) {
        Event event = pq.delMin();
        if (!event.isValid()) {
            continue;
        }
        for (int i = 0; i < particles.length; i++) {
            particles[i].move(event.time - t);
        }
        t = event.time;
        Particle a = event.a, b = event.b;
        if (a != null && b != null) {
            a.bounceOff(b);
        } else if (a != null && b == null) {
            a.bounceOffVerticalWall();
        } else if (a == null && b != null) {
            b.bounceOffHorizontalWall();
        } else if (a == null && b == null) {
            redraw(limit, Hz);
        }
        predictCollisions(a, limit);
        predictCollisions(b, limit);
    }
}