private void gameUpdate() {
if (!isPaused && !gameOver) {
if (jack.willHitBrick()) { // collision checking first
jack.stayStill(); // stop jack and scenery
bricksMan.stayStill();
ribsMan.stayStill();
}
ribsMan.update(); // update background and sprites
bricksMan.update();
jack.updateSprite();
fireball.updateSprite();
if (showExplosion) explosionPlayer.updateTick(); // update the animation
}
} // end of gameUpdate()
private void processKey(KeyEvent e)
// handles termination, help, and game-play keys
{
int keyCode = e.getKeyCode();
// termination keys
// listen for esc, q, end, ctrl-c on the canvas to
// allow a convenient exit from the full screen configuration
if ((keyCode == KeyEvent.VK_ESCAPE)
|| (keyCode == KeyEvent.VK_Q)
|| (keyCode == KeyEvent.VK_END)
|| ((keyCode == KeyEvent.VK_C) && e.isControlDown())) running = false;
// help controls
if (keyCode == KeyEvent.VK_H) {
if (showHelp) { // help being shown
showHelp = false; // switch off
isPaused = false;
} else { // help not being shown
showHelp = true; // show it
isPaused = true; // isPaused may already be true
}
}
// game-play keys
if (!isPaused && !gameOver) {
// move the sprite and ribbons based on the arrow key pressed
if (keyCode == KeyEvent.VK_LEFT) {
jack.moveLeft();
bricksMan.moveRight(); // bricks and ribbons move the other way
ribsMan.moveRight();
} else if (keyCode == KeyEvent.VK_RIGHT) {
jack.moveRight();
bricksMan.moveLeft();
ribsMan.moveLeft();
} else if (keyCode == KeyEvent.VK_UP)
jack.jump(); // jumping has no effect on the bricks/ribbons
else if (keyCode == KeyEvent.VK_DOWN) {
jack.stayStill();
bricksMan.stayStill();
ribsMan.stayStill();
}
}
} // end of processKey()