Java programming part 101 Graphics : Java Animation 4 KeyListener
Java Programming tutorial, GUI, Graphical User Interface. this tutorial is teaching. How to use Java KeyListener for animation,Showing you how to use Key Board keys to control the game.
//below BKGround.java class code
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.ImageIcon;
import javax.swing.JPanel;
public class BKGround extends JPanel implements KeyListener{
Image image;
Image image2;
int x1,y1,x2,y2;
int num;
boolean right;
boolean down;
public BKGround(){
x1 = 100;
y1 = 100;
x2 = 200;
y2 = 200;
num = 0;
right = true;
down = true;
}
public void paint(Graphics g){
num = num + 1;
ImageIcon I = new ImageIcon("image/Abstract-background-1.png");
image = I.getImage();
ImageIcon I2 = new ImageIcon("image/charcustomsheet.gif");
image2 = I2.getImage();
/* if(right == true){
x1 = x1 + 1;
x2 = x2 + 1;
if(x2 == 450){
right = false;
}
}
if(right == false){
x1 = x1 - 1;
x2 = x2 - 1;
if(x1 == 0){
right = true;
}
}
if(down == true){
y1 = y1 + 1;
y2 = y2 + 1;
if(y2 == 350){
down = false;
}
}
if(down == false){
y1 = y1 - 1;
y2 = y2 - 1;
if(y1 == 0){
down = true;
}
}
*/
g.drawImage(image, 0, 0, null);
g.drawImage(image2, x1, y1, x2, y2, 40, 60, 80, 120, null);
repaint();
}
@Override
public void keyPressed(KeyEvent e) {
// TODO Auto-generated method stub
if(e.getKeyCode()==KeyEvent.VK_UP){
y1 = y1 - 1;
y2 = y2 - 1;
}
if(e.getKeyCode()==KeyEvent.VK_DOWN){
y1 = y1 + 1;
y2 = y2 + 1;
}
if(e.getKeyCode()==KeyEvent.VK_RIGHT){
x1 = x1 + 1;
x2 = x2 + 1;
}
if(e.getKeyCode()==KeyEvent.VK_LEFT){
x1 = x1 - 1;
x2 = x2 - 1;
}
}
@Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub
}
@Override
public void keyTyped(KeyEvent e) {
// TODO Auto-generated method stub
}
}
//GraphicsTut.java class below
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import javax.swing.*;
public class GraphicsTut extends JFrame{
Image image;
Image image2;
int x1,y1,x2,y2;
BKGround bkg = new BKGround();
public GraphicsTut(){
this.setTitle("Remember g for Graphics");
this.setSize(450,350);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);
this.add(bkg);
this.addKeyListener(bkg);
}
public static void main(String[] args){
new GraphicsTut();
}
}
On this page of the site you can watch the video online Java programming part 101 Graphics : Java Animation 4 KeyListener with a duration of hours minute second in good quality, which was uploaded by the user Redemptie 08 July 2012, share the link with friends and acquaintances, this video has already been watched 3,423 times on youtube and it was liked by 10 viewers. Enjoy your viewing!
