45 lines
1.2 KiB
Java
45 lines
1.2 KiB
Java
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.*;
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public class Rond extends JComponent implements MouseWheelListener{
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public int nbRond;
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public int valeur;
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public double tailleRond;
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public Rond(int nbRond){
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this.nbRond = nbRond;
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this.valeur = 0;
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this.tailleRond = 0.8;
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}
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@Override
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protected void paintComponent(Graphics pinceau) {
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Graphics secondPinceau = pinceau.create();
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secondPinceau.setColor(new Color(0,0,0));
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secondPinceau.fillRect(0, 0, this.getWidth(), this.getHeight());
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secondPinceau.setColor(new Color(0,255,100));
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int unite = this.getWidth() / this.nbRond;
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int diametre = (int) ((double) unite * tailleRond);
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int ordonnee = (getHeight()-diametre)/2;
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for (int i=0; i<this.nbRond; i++){
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if (this.valeur <= i){
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secondPinceau.setColor(new Color(100,0,255));
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}
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secondPinceau.fillOval(i*unite+(unite-diametre)/2, ordonnee,diametre,diametre);
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}
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}
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public void mouseWheelMoved(MouseWheelEvent e){
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if (e.getWheelRotation() < 0) {
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if (this.valeur<this.nbRond){
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this.valeur++;
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}
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} else {
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if (this.valeur>0){
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this.valeur--;
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}
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}
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}
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}
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