No Compiling Error but doesn't work
import java.awt.*;
import java.awt.geom.*;
import java.awt.event.*;
import java.applet.*;
public class javacw extends Applet implements KeyListener, Runnable
{
Area pandaArea;
Graphics2D g2d;
// Providing coordinate control for the Panda
int pandax=20, panday=50;
// Animation condition. True = animate, False = static.
boolean pandabool=false, laidOut=false;
boolean left;
boolean right;
boolean up;
boolean down;
Thread animThread;
Dimension offDimension;// Defines an offscreen Dimension
Image offImage;// Defines an offscreen Image
Graphics offGraphics;// Defines an offscreen Graphics
Image panda;// Defines an Image object for panda
public void init() {
// Set the layout of the applet to null
setLayout(null);
panda = getImage(getCodeBase(), "panda.gif");
}
public void keyTyped(KeyEvent event){}
public void keyPressed(KeyEvent event)
{
if (event.getKeyCode() == KeyEvent.VK_LEFT) left = true;
if (event.getKeyCode() == KeyEvent.VK_RIGHT) right = true;
if (event.getKeyCode() == KeyEvent.VK_DOWN) down = true;
if (event.getKeyCode() == KeyEvent.VK_UP) up = true;
repaint();
}
public void keyReleased(KeyEvent e)
{
if (e.getKeyCode() == KeyEvent.VK_LEFT) left = false;
if (e.getKeyCode() == KeyEvent.VK_RIGHT) right = false;
if (e.getKeyCode() == KeyEvent.VK_UP) up = false;
if (e.getKeyCode() == KeyEvent.VK_DOWN) down = false;
repaint();
}
public void start()
{
// Make sure the thread hasn already been created
if (animThread == null) {
animThread = new Thread(this, "anim");
animThread.start();
}
}
public void run() {
// Create a current thread.
Thread myThread = Thread.currentThread();
// As long as the thread is created, keep redrawing the
// canvas and then pausing for 10 miliseconds.
while (animThread == myThread) {
repaint();
try {
Thread.sleep(10);
} catch (InterruptedException e){}
}
}
public void paint(Graphics g) {
if (offImage != null) {
g.drawImage(offImage, 0, 0, null);
}
}
// Overide the update() method
public void update(Graphics g) {
Dimension d = getSize();
// Create the offscreen graphics context
if ((offGraphics == null)
|| (d.width != offDimension.width)
|| (d.height != offDimension.height)) {
offDimension = d;
offImage = createImage(d.width, d.height);
offGraphics = offImage.getGraphics();
}
// Erase the previous image
offGraphics.setColor(getBackground());
offGraphics.fillRect(0, 0, d.width, d.height);
offGraphics.setColor(Color.black);
paintFrame(offGraphics);// Paint the frame into the image
g.drawImage(offImage, 0, 0, null);// Paint the image onto the screen
}
public void paintFrame(Graphics g) {
Graphics2D g2d = (Graphics2D)g;
g2d.drawImage(panda, pandax, panday, this);
if (pandabool) {// If pandabool==true, animate the panda =)
if (pandax>400) pandax=0;
if(pandax<0)pandax=400;
}
}
public void stop()
{
animThread = null;
offImage = null;
offGraphics = null;
}
public void destroy(){}
public void Move ()
{
if (left) {
pandax-=10;
}
if (right) {
pandax+=10;
}
if (up){
panday-=10;
}
if (down){
panday+=10;
}
}
}
i was trying to add the keylistener to makes my pic move and there are no compiling problem but it doesn't work when i press the key
thx for everyone
