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projet-dev/src/Ligne.java

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package linea;
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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 {
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protected int nbSegments = 50;
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protected Segment SegCourant;
protected ArrayList<Segment> listeSegments = new ArrayList<Segment>();
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protected Segment dernierSegment;
private double decalageXDernierSegment = 0;
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
private double noiseCurseur = 0;
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;
double dx = GetLargeurSegment();
for (int i = 0; i < nbSegments; i++) {
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double noiseStep = getNoiseStep();
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double yDebut = CalculerY(noiseCurseur);
double yFin = CalculerY(noiseCurseur + noiseStep);
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Segment s = new Segment(x, yDebut, dx, yFin - yDebut);
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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x += dx;
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}
}
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protected double GetLargeurSegment(){
return (double)ZoneDessin.largeur / nbSegments;
}
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private double getNoiseStep() {
return GetLargeurSegment() / gestionnaireNiveau.getNoiseFrequence();
}
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protected Segment CreerSegmentSuivant(){
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double noiseStep = getNoiseStep();
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double yDebut = CalculerY(noiseCurseur);
double yFin = CalculerY(noiseCurseur + noiseStep);
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noiseCurseur += noiseStep;
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Segment s = new Segment(0, yDebut, GetLargeurSegment(), yFin - yDebut);
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s.setCouleur(new Color(0.2f, 0.2f, 0.2f));
return s;
}
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protected double CalculerY(double noisePos){
double limiteHaut = gestionnaireNiveau.getLimiteHaut();
double limiteBas = gestionnaireNiveau.getLimiteBas();
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double hauteur = limiteBas - limiteHaut;
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double bruit = noiseGenerator.noise(noisePos, 1);
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double normalise = (bruit + 1) / 2;
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return limiteBas - normalise * hauteur;
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}
@Override
public void Afficher(Graphics g) {
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Graphics2D g2D = (Graphics2D) g;
g2D.setStroke(new BasicStroke(3.0f));
for (Segment s : listeSegments) {
s.Afficher(g);
if (SegCourant == null) {
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if (Cercle.xCercle <= s.x + s.xLong && Cercle.xCercle >= s.x) {
SegCourant = s;
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}
} else {
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if ((SegCourant.x + SegCourant.xLong) < Cercle.xCercle) {
if (s.x <= Cercle.xCercle && (s.x + s.xLong) >= Cercle.xCercle) {
SegCourant = s;
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}
}
}
}
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}
@Override
public void Animer() {
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double vitesse = gestionnaireNiveau.getVitesseScroll();
for (Segment s : listeSegments) {
s.Animer();
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s.x -= vitesse;
}
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UpdateSegments();
}
private void UpdateSegments(){
if (dernierSegment == null) throw new RuntimeException("dernierSegment n'existe pas");
for (int i = 0; i < listeSegments.size(); i++) {
Segment s = listeSegments.get(i);
if (s.x + s.xLong < 0) {
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Segment nouveauSegment = CreerSegmentSuivant();
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nouveauSegment.x = dernierSegment.x + dernierSegment.xLong;
listeSegments.set(i, nouveauSegment);
xActuel += GetLargeurSegment();
dernierSegment = nouveauSegment;
}
}
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}
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public double GetHauteurPointCercle(){
double t = (400 - SegCourant.x) / SegCourant.xLong;
return SegCourant.y + SegCourant.yLong * t;
}
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}