private void onGameStatePlaying() {
// ball
Point position = ball.getPosition();
if (shadowCount >= SHADOW_SKIP) {
if (previousBallPositions.size() >= NUMBER_OF_BALL_SHADOWS) {
previousBallPositions.removeLast();
}
previousBallPositions.addFirst(new Point(position));
shadowCount = 0;
} else {
shadowCount += 1;
}
position.add((ballSpeed * ballUnitVector.getX()), -(ballSpeed * ballUnitVector.getY()));
ball.setPosition(position);
ball.setVisible(true);
for (int i = 0; i < NUMBER_OF_BALL_SHADOWS; i++) {
VisualControl visualControl = ballShadows.get(i);
if (previousBallPositions.size() > i) {
visualControl.setPosition(previousBallPositions.get(i));
visualControl.setVisible(true);
} else {
visualControl.setVisible(false);
}
}
// bounce
if (bouncedControl != null) {
if (!bouncedControl.isHit(ball.getPosition())) {
bouncedControl = null;
}
} else {
for (BounceableControl bounceableControl : paddles.values()) {
bounceableControls.add(bounceableControl);
}
for (BounceableControl bounceableControl : bounceableControls) {
if (bounceBall(bounceableControl)) {
bouncedControl = bounceableControl;
break;
}
}
for (BounceableControl bounceableControl : paddles.values()) {
bounceableControls.remove(bounceableControl);
}
}
// goal
if ((position.getX() <= 0.0f) || (position.getX() >= (float) displayMode.getWidth())) {
gameState = GameState.End;
}
}
