144 lines
3.5 KiB
Java
144 lines
3.5 KiB
Java
package linea;
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import java.awt.BasicStroke;
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import java.awt.Color;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.util.ArrayList;
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public class Ligne extends ObjetGraphique {
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protected int nbSegments = 50;
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protected Segment SegCourant;
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protected ArrayList<Segment> listeSegments = new ArrayList<Segment>();
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protected Segment dernierSegment;
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private double decalageXDernierSegment = 0;
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private NoiseGenerator noiseGenerator;
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private GestionnaireNiveau gestionnaireNiveau;
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private double xActuel;
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// Curseur dans le noise : avance plus vite quand la frequence du niveau augmente
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private double noiseCurseur = 0;
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public Ligne(NoiseGenerator noiseGenerator, GestionnaireNiveau gestionnaireNiveau) {
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double x = 0;
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this.noiseGenerator = noiseGenerator;
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this.gestionnaireNiveau = gestionnaireNiveau;
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double dx = GetLargeurSegment();
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double freq = gestionnaireNiveau.getNoiseFrequence();
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for (int i = 0; i < nbSegments; i++) {
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double noiseStep = dx * freq;
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double yDebut = CalculerY(noiseCurseur);
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double yFin = CalculerY(noiseCurseur + noiseStep);
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Segment s = new Segment(x, yDebut, dx, yFin - yDebut);
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s.setCouleur(new Color(0.2f, 0.2f, 0.2f));
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listeSegments.add(s);
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noiseCurseur += noiseStep;
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if (i == nbSegments - 1) {
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dernierSegment = s;
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xActuel = x + dx;
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}
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x += dx;
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}
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}
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protected double GetLargeurSegment(){
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return (double)ZoneDessin.largeur / nbSegments;
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}
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protected Segment CreerSegmentSuivant(){
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double dx = GetLargeurSegment();
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double freq = gestionnaireNiveau.getNoiseFrequence();
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double noiseStep = dx * freq;
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double yDebut = CalculerY(noiseCurseur);
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double yFin = CalculerY(noiseCurseur + noiseStep);
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noiseCurseur += noiseStep;
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Segment s = new Segment(0, yDebut, dx, yFin - yDebut);
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s.setCouleur(new Color(0.2f, 0.2f, 0.2f));
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return s;
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}
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protected double CalculerY(double noisePos){
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double limiteHaut = gestionnaireNiveau.getLimiteHaut();
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double limiteBas = gestionnaireNiveau.getLimiteBas();
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double hauteur = limiteBas - limiteHaut;
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double bruit = noiseGenerator.noise(noisePos);
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double normalise = (bruit + 1) / 2;
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return limiteBas - normalise * hauteur;
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}
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@Override
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public void Afficher(Graphics g) {
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Graphics2D g2D = (Graphics2D) g;
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g2D.setStroke(new BasicStroke(3.0f));
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for (Segment s : listeSegments) {
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s.Afficher(g);
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if (SegCourant == null) {
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if (Cercle.xCercle <= s.x + s.xLong && Cercle.xCercle >= s.x) {
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SegCourant = s;
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}
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} else {
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if ((SegCourant.x + SegCourant.xLong) < Cercle.xCercle) {
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if (s.x <= Cercle.xCercle && (s.x + s.xLong) >= Cercle.xCercle) {
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SegCourant = s;
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}
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}
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}
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}
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}
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@Override
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public void Animer() {
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double vitesse = gestionnaireNiveau.getVitesseScroll();
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for (Segment s : listeSegments) {
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s.Animer();
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s.x -= vitesse;
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}
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UpdateSegments();
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}
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private void UpdateSegments(){
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if (dernierSegment == null) throw new RuntimeException("dernierSegment n'existe pas");
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for (int i = 0; i < listeSegments.size(); i++) {
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Segment s = listeSegments.get(i);
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if (s.x + s.xLong < 0) {
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Segment nouveauSegment = CreerSegmentSuivant();
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nouveauSegment.x = dernierSegment.x + dernierSegment.xLong;
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listeSegments.set(i, nouveauSegment);
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xActuel += GetLargeurSegment();
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dernierSegment = nouveauSegment;
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}
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}
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}
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public double GetHauteurPointCercle(){
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double t = (400 - SegCourant.x) / SegCourant.xLong;
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return SegCourant.y + SegCourant.yLong * t;
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}
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}
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