This is the code for my game. The entire image flickers every 30 ms (aprox)
public class MainGame extends Canvas implements Runnable, KeyListener, MouseListener, MouseMotionListener {
boolean isRunning = false;
public boolean isClicked, isReleased, lClick, rClick, down, up, upPressed;
public boolean drawArrow;
public boolean lastLeft, lastRight, goingLeft, goingRight, left, right;
public int x = 0, y = 0, aX = 250, aY = 250;
double modifier = 4;
public Graphics g;
ImageIcon background = new ImageIcon("F:/workspace/RPGGame/src/healy.jpg");
Image picture = background.getImage();
Image offscreen;
ControlBase base = new ControlBase();
Graphics buffer;`
private boolean fireLeft;
private boolean fireRight;
private int arrowCounter = 0;
public MainGame () {
base.frame.setVisible(true);
base.frame.setResizable(false);
base.frame.setMinimumSize(new Dimension(1024, 768));
base.frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
base.frame.setLocationRelativeTo(null);
base.frame.addMouseListener(this);
base.frame.addKeyListener(this);
JPanel panel = new JPanel();
Container pane = base.frame.getContentPane();
pane.add(panel);
pane.paint(g);
base.frame.setVisible(true);
Graphics g = base.frame.getGraphics();
g.drawImage(picture, x, y, this);
}
public void run() {
while(isRunning) {
paint(base.frame.getGraphics());
//moves left
if (left == true){
x+=1;
lastLeft = true;
lastRight = false;
}
//moves right
if (right == true){
x-=1;
lastLeft = false;
lastRight = true;
}
//moves down
if (down == true){
y-=1;
}
if (goingLeft == true) {
aX--;
}
if (goingRight == true) {
aX++;
}
if(attackStyle == 1) {
melee();
}
else if (attackStyle == 2) {
range();
}
else {
magic();
}
System.out.println(arrowCounter);
base.arrowMech();
fireLeft = base.fireLeft;
fireRight = base.fireRight;
base.frame.repaint();
}
}
@Override
public void paint(Graphics g) {
super.paint(g);
g.clearRect(0, 0, 1024, 768);
g.setColor(Color.red);
g.fillOval(250, 250, 20, 20);
g.drawImage(picture, x, y, this);
if (drawArrow == true) {
if (fireLeft) {
arrowCounter++;
goingLeft = true;
goingRight = false;
base.drawArrow(g);
}
if (fireRight) {
arrowCounter++;
goingLeft = false;
goingRight = true;
base.drawArrow(g);
}
}
if ((arrowCounter >=450) || (!drawArrow)){
arrowCounter = 0;
aX = 250;
aY = 250;
}
}
public void update(Graphics g) {
repaint();
}
public void start() {
isRunning = true;
new Thread(this).start();
}
public void stop() {
isRunning = false;
}
public void mouseDragged(MouseEvent e) {
}
public void mouseMoved(MouseEvent e) {
}
public void mouseClicked(MouseEvent click) {
if(click.getButton() == 1) {
}
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
/** This method handles mouse clicks
*/
public void mousePressed(MouseEvent click) {
if(SwingUtilities.isLeftMouseButton(click)) {
lClick = true;
}
else if (SwingUtilities.isRightMouseButton(click)) {
rClick = true;
}
}
/** This method handles the release of mouse clicks
*/
public void mouseReleased(MouseEvent release) {
if(SwingUtilities.isLeftMouseButton(release)) {
lClick = false;
}
else if (SwingUtilities.isRightMouseButton(release)) {
rClick = false;
}
}
/**
* This method handle the movement for the character and all other key binds
*/
public void keyPressed(KeyEvent e) {
//left arrow
if(e.getKeyCode() == 37 || e.getKeyCode() == 65){
left = true;
}
//up arrow
if(e.getKeyCode() == 38 || e.getKeyCode() == 87){
up = true;
upPressed = true;
down = false;
}
//right arrow
if(e.getKeyCode() == 39 || e.getKeyCode() == 68){
right = true;
}
//down arrow
if(e.getKeyCode() == 40 || e.getKeyCode() == 83){
down = true;
}
}
/**
* This method handles the stopping of movement for the character and stoping all other key binds
*/
public void keyReleased(KeyEvent e) {
//left arrow
if(e.getKeyCode() == 37 || e.getKeyCode() == 65){
left = false;
}
//up arrow
if(e.getKeyCode() == 38 || e.getKeyCode() == 87){
up = false;
upPressed = false;
}
//right arrow
if(e.getKeyCode() == 39 || e.getKeyCode() == 68){
right = false;
}
//down arrow
if(e.getKeyCode() == 40 || e.getKeyCode() == 83){
down = false;
}
}
public void keyTyped(KeyEvent e) {
}
Any help would be appreciated. Have tried using a bufferstrategy to no avail. Is there any other way to do it without using a bufferstrategy?
