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package swing.tests;
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.imageio.ImageIO;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import javax.swing.Timer;
public class GamePane extends JComponent implements ActionListener, KeyListener {
//l'horloge
private Timer timer;
//position horizontale du perso
private int hPosition = 20;
//Position verticale du perso
private int vPosition = 100;
//Direction du perso
private int direction = 1;
//Index de l'image selectionnee
private int currentImage = 0;
//Image a afficher
private BufferedImage selectedImage;
//Liste des etats de course
private List<BufferedImage> runningImages;
//les etats de course dans l'autre sens
private List<BufferedImage> reverseRunningImages;
//Image a l'arrêt
private BufferedImage standingImage;
//Combien de ticks avant un changement d'image
private int changeImageCount = 5;
//Compte de ticks
private int countTicks = 0;
//Savoir si le personnage est en mouvement
private boolean moving = false;
public GamePane() {
timer = new Timer(20, this);
//Recuperation des images de courses
runningImages = importRunningImages();
//Recuperation de l'image a l'arret
standingImage = importStandingImage();
//On selectionne par defaut l'image a l'arret
selectedImage = standingImage;
//On retourne les images de course
reverseRunningImages = new ArrayList<BufferedImage>();
for(BufferedImage im : runningImages) {
reverseRunningImages.add(reverseImage(im));
}
//Ajout du keyListener
this.addKeyListener(this);
//On recupere le focus
requestFocus();
}
@Override
public void actionPerformed(ActionEvent arg0) {
//On verifie que le perso bouge bien
if (moving) {
//On verifie si l'on doit changer l'image
if (countTicks == changeImageCount) {
countTicks = 0;
//On verifie que l'on arrive a la fin des images ou pas
if (currentImage == runningImages.size() - 1) {
currentImage = 0;
} else {
currentImage++;
}
//On selectionne la bonne image selon la direction
if(direction>0) {
selectedImage = runningImages.get(currentImage);
} else {
selectedImage = reverseRunningImages.get(currentImage);
}
} else {
countTicks++;
}
//On change la position horizontale
hPosition += 2 * direction;
} else {
//on selection l'image a l'arret
selectedImage = standingImage;
}
//On demande le repaint du composant
repaint();
}
@Override
protected void paintComponent(Graphics arg0) {
// TODO Module de remplacement de méthode auto-généré
super.paintComponent(arg0);
Graphics2D g = (Graphics2D) arg0.create();
//Dessin du backGround
g.setPaint(new Color(95, 151, 255));
g.fillRect(0, 0, getWidth(), getHeight());
g.setPaint(new Color(203, 79, 15));
g.fillRect(0, getHeight() - vPosition, getWidth(), getHeight());
//Dessin du perso si celui ci est dans la fenetre
if (hPosition + selectedImage.getWidth() >= 0 && hPosition - selectedImage.getWidth() <= getWidth()) {
g.drawImage(selectedImage, hPosition, getHeight() - vPosition - selectedImage.getHeight(), null);
}
}
/**
* Sert a charger les images des differents etats du deplacement
* @return
*/
private List<BufferedImage> importRunningImages() {
List<BufferedImage> images = new ArrayList<BufferedImage>();
try {
images.add(ImageIO.read(getClass().getResource("/mRunning1.png")));
images.add(ImageIO.read(getClass().getResource("/mRunning2.png")));
images.add(ImageIO.read(getClass().getResource("/mRunning3.png")));
images.add(ImageIO.read(getClass().getResource("/mRunning4.png")));
} catch (Exception e) {
e.printStackTrace();
}
return images;
}
/**
* Sert a charger l'image de l'etat arrete
* @return
*/
private BufferedImage importStandingImage() {
BufferedImage im = null;
try {
im = ImageIO.read(getClass().getResource("/mStill.png"));
} catch (IOException e) {
// TODO Bloc catch auto-généré
e.printStackTrace();
}
return im;
}
@Override
public void keyPressed(KeyEvent arg0) {
if (arg0.getKeyCode() == KeyEvent.VK_LEFT || arg0.getKeyCode() == KeyEvent.VK_RIGHT) {
//On active le deplacement
moving = true;
//Choix de la direction
if (arg0.getKeyCode() == KeyEvent.VK_LEFT) {
direction = -1;
} else {
direction = 1;
}
}
}
@Override
public void keyReleased(KeyEvent arg0) {
if (arg0.getKeyCode() == KeyEvent.VK_LEFT || arg0.getKeyCode() == KeyEvent.VK_RIGHT) {
//on arrete le déplacement
moving = false;
}
}
@Override
public void keyTyped(KeyEvent arg0) {
}
//Lance le jeu
public void startGame() {
timer.start();
}
//arrete le jeu
public void stoptGame() {
timer.stop();
}
@Override
public boolean isFocusTraversable() {
// Pour que le composant puisse avoir le focus
return true;
}
/**Cree le flip horizontal d'une image
*
* @param img
* @return
*/
private BufferedImage reverseImage(BufferedImage img) {
int w = img.getWidth();
int h = img.getHeight();
BufferedImage dimg = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
Graphics2D g = dimg.createGraphics();
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
g.drawImage(img, 0, 0, w, h, w, 0, 0, h, null);
g.dispose();
return dimg;
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
final GamePane pane = new GamePane();
final JFrame f = new JFrame();
f.add(pane);
pane.requestFocus();
f.setSize(800, 600);
f.setLocationRelativeTo(null);
f.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
f.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent arg0) {
pane.stoptGame();
f.dispose();
}
});
f.setVisible(true);
pane.startGame();
}
});
}
} |
