projet-dev/src/Ligne.java

package linea;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.util.ArrayList;

public class Ligne extends ObjetGraphique {

	protected int nbSegments = 400;
	protected double xCercle = 400;
	protected Segment SegCourant;

	protected ArrayList<Segment> listeSegments = new ArrayList<Segment>();

	protected double limiteHaut = 50;
	protected double limiteBas = 550;

	public Ligne() {
		double x = 0;
		double y = 200;
		double dx, dy;

		Segment s;
		for (int i = 0; i < nbSegments; i++) {
			dx = Math.random() * 20 + 80;
			dy = Math.random() * 40 - 20;

			if (y + dy > limiteBas) {
				dy = limiteBas - y;
			}
			if (y + dy < limiteHaut) {
				dy = limiteHaut - y;
			}

			s = new Segment(x, y, dx, dy);
			s.setCouleur(new Color(0.2f, 0.2f, 0.2f));

			listeSegments.add(s);

			x += dx;
			y += dy;
		}
	}

	@Override
	public void Afficher(Graphics g) {
		Graphics2D g2D = (Graphics2D) g;
		g2D.setStroke(new BasicStroke(3.0f));

		for (Segment s : listeSegments) {
			s.Afficher(g);
			if (SegCourant == null) {
				if (xCercle < s.x + s.xLong && xCercle > s.x) {
					SegCourant = s;
				}
			} else {
				if ((SegCourant.x + SegCourant.xLong) < xCercle) {
					if (s.x <= xCercle && (s.xLong) >= xCercle) {
						SegCourant = s;
					}
				}
			}
		}
	}

	@Override
	public void Animer() {
		for (Segment s : listeSegments) {
			s.Animer();
			s.x -= 10;
		}
	}
}