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|
import java.awt.Color;
import java.awt.font.*;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import javax.swing.JPanel;
public class Panneau extends JPanel
{
private int posX=-50;
private int posY=-50;
private String forme="ROND";
public void paintComponent (Graphics g)
{
g.setColor (Color.white);
g.fillRect (0,0,this.getWidth ( ),this.getHeight ( ));
g.setColor (Color.red);
draw(g);
}
private void draw(Graphics g)
{
if(this.forme.equals("ROND"))
{
g.fillOal(posX,posY,50,50);
}
if(this.forme.equals("CARRE"))
{
g.fillRect(posX,posY,50,50);
}
if(this.forme.equals("TRIANGLE"))
{
int s1X=posX+25;
int s1Y=posY;
int s2X=posX+50;
int s2Y=posY+50;
int s3X=posX;
int s3Y=posY+50;
int[]ptsX={s1X,s2X,s3X};
int[]ptsY={s1Y,s2Y,s3Y};
g.fillPolygon(ptsX,ptsY,3);
}
if(this.forme.equals("ETOILE"));
{
int s1X=posX+25;
int s1Y=posY;
int s2X=posX+50;
int s2Y=posY+50;
g.drawLine(s1X,s1Y,s2X,s2Y);
int s3X=posX;
int s3Y=posY+17;
g.drawLine(s2X,s2Y,s3X,s3Y);
int s4X=posX+50;
int s4Y=posY+17;
g.drawLine(s3X,s3Y,s4X,s4Y);
int s5X=posX;
int s5Y=posY+50;
g.drawLine(s4X,s4Y,s5X,s5Y);
g.drawLine(s5X,s5Y,s1X,s1Y);
}
}
public void setForme(String form)
{
this.forme=form;
}
public int getPosX( )
{
return posX;
}
public void setPosX (int posX)
{
this.posX=posX;
}
public int getPosY ( )
{
return posY;
}
public void setPosY (int posY)
{
this.posY=posY;
}
}
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class Fenetre extends JFrame
{
private Panneau pan=new Panneau();
private JButton bouton=new JButton("Go");
private JButton bouton2=new JButton("Stop");
private JPanel container=new JPanel();
private JLabel label = new JLabel("Choix de la forme");
private int compteur=0;
private boolean animated=true;
private boolean backX, backY;
private int x,y;
private Thread t;
private JComboBox combo=new JComboBox();
public Fenetre()
{
this.setTitle("Animation");
this.setSize(300,300);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setLocationRelativeTo(null);
container.setBackground(Color.white);
container.setLayout(new BorderLayout());
container.add(pan,BorderLayout.CENTER);
bouton.addActionListener(new BoutonListener());
bouton2.addActionListener(new Bouton2Listener());
bouton.setEnabled(false);
JPanel south=new JPanel();
south.add(bouton);
south.add(bouton2);
container.add(south,BorderLayout.SOUTH);
combo.addItem("ROND");
combo.addItem("CARRE");
combo.addItem("TRIANGLE");
combo.addItem("ETOILE");
combo.addActionListener(new FormeListener());
JPanel top=new JPanel();
top.add(label);
top.add(combo);
container.add(top,BorderLayout.NORTH);
this.setContentPane(container);
this.setVisible(true);
}
private void go ( )
{
x=pan.getPosX();
y=pan.getPosY();
while(this.animated)
{
if(x<1)backX=false;
if(x>pan.getWidth()-50)backX=true;
if(y<1)backY=false;
if(y>pan.getHeight()-50)backY=true;
if(!backX)
pan.setPosX(++x);
else
pan.setPosX(--x);
if(!backY)
pan.setPosY(++y);
else
pan.setPosY(--y);
pan.repaint();
try
{
Thread.sleep(3);
}
catch(InterruptedException e)
{
e.printStackTrace();
}
}
}
public class BoutonListener implements ActionListener
{
/*Redéfinition de la méthode actionPerformed ***/
public void actionPerformed(ActionEvent arg0)
{
animated=true;
t=new Thread(new PlayAnimation());
t.start();
bouton.setEnabled(false);
bouton2.setEnabled(true);
}
}
/**** Classe qui écoute notre bouton2 **/
class Bouton2Listener implements ActionListener
{
/*Redéfinition de la méthode actionPerformed ***/
public void actionPerformed(ActionEvent arg0)
{
animated=false;
bouton.setEnabled(true);
bouton2.setEnabled(false);
}
}
class PlayAnimation implements Runnable
{
public void run()
{
go();
}
}
class FormeListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
pan.setForme(combo.getSelectedItem().toString());
}
}
}
import java.lang.reflect.Constructor;
public class Test
{
public static void main(String[] args)
{
Fenetre fen=new Fenetre();
}
} |
Etoile se balade arrière plan de rond et triangle
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