@Override
public void update(float pDeltaTime) {
mGame.getInput().getMouseEvents();
mGame.getInput().getKeyEvents();
int len = mBalls.size();
for (int i = 0; i < len; i++) {
Ball firstBall = mBalls.get(i);
for (int j = 0; j < len; j++) {
Ball secondBall = mBalls.get(i);
if (secondBall == firstBall
|| !OverlapTester.overlapCircles(firstBall.bounds, secondBall.bounds)) {
continue;
}
System.out.println("overlap");
float newVelocityX1 =
(firstBall.velocity.x * (firstBall.mass - secondBall.mass)
+ (2 * secondBall.velocity.x * secondBall.mass))
/ (firstBall.mass + secondBall.mass);
float newVelocityY1 =
(firstBall.velocity.y * (firstBall.mass - secondBall.mass)
+ (2 * secondBall.velocity.y * secondBall.mass))
/ (firstBall.mass + secondBall.mass);
float newVelocityX2 =
(secondBall.velocity.x * (secondBall.mass - firstBall.mass)
+ (2 * firstBall.velocity.x * firstBall.mass))
/ (firstBall.mass + secondBall.mass);
float newVelocityY2 =
(secondBall.velocity.y * (secondBall.mass - firstBall.mass)
+ (2 * firstBall.velocity.y * firstBall.mass))
/ (firstBall.mass + secondBall.mass);
firstBall.velocity.add(newVelocityX1, newVelocityY1);
secondBall.velocity.add(newVelocityX2, newVelocityY2);
}
// firstBall.velocity.add(mGravity.x * pDeltaTime, mGravity.y * pDeltaTime);
firstBall.update(pDeltaTime);
if (firstBall.getX() < firstBall.getWidth() / 2) {
firstBall.setX(firstBall.getWidth() / 2);
firstBall.velocity.x *= -1;
}
if (firstBall.getX() > mWidth - firstBall.getWidth() / 2) {
firstBall.setX(mWidth - firstBall.getWidth() / 2);
firstBall.velocity.x *= -1;
}
if (firstBall.getY() < firstBall.getWidth() / 2) {
firstBall.setY(firstBall.getWidth() / 2);
firstBall.velocity.y *= -1;
}
if (firstBall.getY() > mHeight - firstBall.getHeight() / 2) {
firstBall.setY(mHeight - firstBall.getHeight() / 2);
firstBall.velocity.y *= -1;
}
}
}
// Constructor//
public Game_Screen() {
JFrame game_frame = new JFrame("Legend of Pong"); // creates the jframe
JLabel Background =
new JLabel(
new ImageIcon(
"C:\\Users\\Daniel\\workspace\\Pong_Game\\src\\resources\\Pics\\gameScreen.jpg")); // gets the BG image
game_frame.setContentPane(Background); // places background image
// setting the header section//
// Score//
long score = getScore(); // int to hold score value
JLabel scoreL = new JLabel(); // label to display score
scoreL.setText("Score: " + String.valueOf(score)); // connects label and int
scoreL.setBounds(25, 15, 200, 35); // sets location of score
scoreL.setFont(new Font("Courier New", Font.BOLD, 20)); // sets font and size of font
scoreL.setForeground(Color.GREEN); // sets color of Score
game_frame.add(scoreL); // adds score
// Timer//
int time = getTime();
JLabel timeL = new JLabel(); // label to hold time
timeL.setText("Time(sec): " + String.valueOf(time)); // connects label and int
timeL.setBounds(350, 15, 200, 35); // set location of time
timeL.setFont(new Font("Courier New", Font.BOLD, 20)); // sets font and size of font
timeL.setForeground(Color.GREEN); // sets color
game_frame.add(timeL); // adds time
// Life//
int life = getLife(); // int to hold value of lives left
JLabel lifeL = new JLabel(); // label to hold life
lifeL.setText("Lives: " + String.valueOf(life)); // connects label and int
lifeL.setBounds(700, 15, 200, 35); // sets location of life
lifeL.setFont(new Font("Courier New", Font.BOLD, 20)); // sets font and size of font
lifeL.setForeground(Color.GREEN); // sets color of life
game_frame.add(lifeL); // adds life
// Paddle//
JPanel paddle = new JPanel(); // new panel for paddle object and image
Paddle object = new Paddle(); // creates new paddle object
JLabel link =
new JLabel(
new ImageIcon(
"C:\\Users\\Daniel\\workspace\\Pong_Game\\src\\resources\\Pics\\Link.gif")); // new
// paddle image(also link)
paddle.add(object); // adds the actual object
paddle.add(link); // adds image to the paddle Panel
paddle.setBounds(
object.getX(),
object.getY(),
object.getWidth(),
object.getHeight()); // sets location and size of the paddle
game_frame.add(paddle); // game_frame gets link image
// a single ball = test //
JPanel ball = new JPanel(); // creates the JPanel to hold the ball object and image
Ball obj = new Ball(); // creates the ball object
JLabel stone =
new JLabel(
new ImageIcon(
"C:\\Users\\Daniel\\workspace\\Pong_Game\\src\\resources\\Pics\\Ball.png")); // creates the ball image
ball.add(obj); // adds the object
ball.add(stone); // adds the image
ball.setBounds(750, 250, obj.getWidth(), obj.getHeight()); // sets ball location and size
game_frame.add(ball); // adds it to the screen
// final frame things//
game_frame.pack();
game_frame.setResizable(false);
game_frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
game_frame.setVisible(true);
} // end of screen constructor
