public BallsFrame() throws HeadlessException {
super("Funny balls");
setLayout(new BorderLayout());
executorService = Executors.newScheduledThreadPool(1);
ballsPanel =
new JPanel() {
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);
if (blueBallVisible) {
g.setColor(Color.BLUE);
g.fillOval(blueBall.x, getHeight() / 2, BALL_DIAGONAL, BALL_DIAGONAL);
}
g.setColor(Color.RED);
g.fillOval(redBall.x, getHeight() / 2, BALL_DIAGONAL, BALL_DIAGONAL);
}
};
add(ballsPanel, BorderLayout.CENTER);
blueBallSwitch = new JCheckBox("Collision", true);
blueBallSwitch.addItemListener(
e -> {
if (blueBallVisible = blueBallSwitch.isSelected()) {
int x;
do x = random.nextInt(getWidth() - BALL_DIAGONAL);
while (redBall.x <= x && x <= redBall.rightX()
|| redBall.x <= x + BALL_DIAGONAL && x + BALL_DIAGONAL <= redBall.rightX());
blueBall.x = x;
}
});
add(blueBallSwitch, BorderLayout.SOUTH);
blueBallVisible = true;
moveToRight = true;
setSize(500, 500);
}
void the_derive(double time, double y[], double dy[]) {
int i;
BallVector balls = decode_balls(y); // new BallVector();//Ball[num_balls];
BallVector dballs = new BallVector(); // new Ball[num_balls];
for (i = 0; i < num_balls; i++) {
Ball p = balls.get2(i);
Ball d = new Ball();
d.pos = p.speed;
d.speed = wall_power(p);
d.speed.y -= 1; // gravity
dballs.add(d);
}
for (i = 0; i < num_balls; i++)
for (int j = i + 1; j < num_balls; j++) {
Ball p1 = balls.get2(i);
Ball p2 = balls.get2(j);
if (far_away_fast_calc(p1.pos, p2.pos, radius * 2)) continue;
double dist = p1.pos.calc_dist(p2.pos);
// if (dist>radius*2)
// continue;
Vec collide_power = calc_collide_power(p1, p2, dist);
dballs.get2(i).speed.add_to(collide_power);
dballs.get2(j).speed.sub_to(collide_power);
}
for (i = 0; i < springs.size(); i++) {
Spring s = springs.get2(i);
Vec collide_power = calc_spring_power(balls.get2(s.start), balls.get2(s.end));
dballs.get2(s.start).speed.add_to(collide_power);
dballs.get2(s.end).speed.sub_to(collide_power);
}
encode_balls(dballs, dy);
};
public void mouseMoved(MouseEvent e) { // called during motion when no buttons are down
// if (e.getY ==
if ((e.getX() < appletsize_x - pad.width() / 2) && (e.getX() > (pad.width() / 2))) {
pad.changeX(e.getX() - (pad.width() / 2));
ball.moveWithPaddle(pad.xPos + (pad.width() / 2) - (ball.radius()));
}
e.consume();
repaint();
}
public void draw() {
background(255);
for (int i = 0; i < balls.size(); i++) {
Ball ball = (Ball) balls.get(i);
ball.calc();
ball.display();
}
}
/** Update all of the Ball's and draw them */
public void update() {
if (balls.size() != 0) {
for (int i = 0; i < balls.size(); i++) {
Ball b = (Ball) balls.get(i);
b.update();
b.attract = kelly;
b.drawBall();
}
}
}
public void paint(Graphics g) {
if (mainMenu) {
drawTitleScreen(g);
} else if (gamePlaying) {
drawBricks(g);
g.setColor(Color.green);
g.fillRect(pad.x(), 590, pad.width(), 10);
g.fillOval(
ball.x_Pos() - ball.radius(),
ball.y_Pos() - ball.radius(),
ball.radius() * 2,
ball.radius() * 2);
}
} // paint method
private void startAnimation() {
redBall = new Ball(1);
blueBall = new Ball(getWidth() / 2);
executorService.scheduleAtFixedRate(
() -> {
if (redBall.rightX() >= getWidth()
|| redBall.x <= 0
|| blueBallVisible && redBall.intersectsWith(blueBall)) moveToRight = !moveToRight;
redBall.x += moveToRight ? 1 : -1;
ballsPanel.repaint();
},
1,
5,
TimeUnit.MILLISECONDS);
}
public void mouseDragged(MouseEvent e) { // called during motion with buttons down
ball.LaunchBall();
e.consume();
repaint();
}
/** Add a ball to the ArrayList at current mouse position */
public void addBall() {
// Store current mouse position
x1 = mouseX;
y1 = mouseY;
// Get a random offset for the ball
int xDiff = (int) random(-10, 10);
int yDiff = (int) random(-10, 10);
// Add the mouse's (x,y) and the random offset
int x = mouseX + xDiff;
int y = mouseY + yDiff;
// Create new ball
Ball b = new Ball(x, y, ballSize);
b.STEM = stems;
b.attract = kelly;
balls.add(b);
}
/** If a key is pressed perform the respective actions */
public void keyPressed() {
// Add 'stems' to the balls
if (keyCode == SHIFT) {
stems = !stems;
for (int i = 0; i < balls.size(); i++) {
Ball b = (Ball) balls.get(i);
b.STEM = stems;
}
}
// toggle repaint background
else if (key == 'b') REPAINT = !REPAINT;
// Empty the ArrayList of Balls
else if (key == 'x') balls.clear();
// Add a ball
else if (key == 'f') addBall();
}
@Override
public void paint(Graphics g) {
super.paint(g);
for (Ball b : ballsList) {
g.setColor(b.getColor());
g.fillOval(b.getX(), b.getY(), b.getSize(), b.getSize());
b.move(getWidth(), getHeight());
}
}
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g;
// paint ball, paddle, and brick configuration
g2.drawImage(background.getImage(), 0, 0, null);
bconfig.paint(g2);
paddle.paint(g2);
ball.paint(g2);
g2.setColor(Color.WHITE);
g2.setFont(new Font("Serif", Font.PLAIN, 20));
g2.drawString("Score: " + score, 15, 20);
if (ball.getY() > 500) {
g2.setColor(Color.WHITE);
g2.setFont(new Font("Serif", Font.PLAIN, 30));
g2.drawString("Game Over!", 200, 300);
g2.drawString("Your final score was " + score, 150, 330);
timer.stop();
}
}
/**
* Moves the paddle left by the movement offset field within the picture window's bounds avoiding
* the given ball
*
* @param pict is the Picture object with the boundary to keep the paddle within
* @param ball is a ball that causes the paddle to move back if it's in the way
*/
public void moveLeft(JFrame pict, Ball ball) {
this.x -= this.offset; // Move x left by the offset
// Test to see if the paddle moved into the ball
if (ball.distance(this.x, this.y) < ball.getRadius()
|| ball.distance(this.x, this.y + this.height / 2) < ball.getRadius()
|| ball.distance(this.x, this.y + this.height) < ball.getRadius())
this.x += this.offset; // If so, move it out of the ball
// Test to see if the boundary was in the way to the left
if (this.x < 0) this.x = 0; // If so, set left of paddle to zero
}
/**
* Moves the paddle up by the movement offset field within the picture window's bounds avoiding
* the given ball
*
* @param pict is the Picture object with the boundary to keep the paddle within
* @param ball is a ball that causes the paddle to move back if it's in the way
*/
public void moveUp(JFrame pict, Ball ball) {
this.y -= this.offset; // Move y up by the offset
// Test to see if the paddle moved into the ball
if (ball.distance(this.x, this.y) < ball.getRadius()
|| ball.distance(this.x + this.width / 2, this.y) < ball.getRadius()
|| ball.distance(this.x + this.width, this.y) < ball.getRadius())
this.y += this.offset; // If so, move it out of the ball
// Test to see if the boundary was in the way above
if (this.y < 0) this.y = 0; // If so, set top of paddle to zero
}
/**
* Moves the paddle right by the movement offset field within the picture window's bounds avoiding
* the given ball
*
* @param pict is the Picture object with the boundary to keep the paddle within
* @param ball is a ball that causes the paddle to move back if it's in the way
*/
public void moveRight(JFrame pict, Ball ball) {
this.x += this.offset; // Move x right by the offset
// Test to see if the paddle moved into the ball
if (ball.distance(this.x + this.width, this.y) < ball.getRadius()
|| ball.distance(this.x + this.width, this.y + this.height / 2) < ball.getRadius()
|| ball.distance(this.x + this.width, this.y + this.height) < ball.getRadius())
this.x -= this.offset; // If so, move it out of the ball
// Test to see if the boundary was in the way on the right
if (this.x + this.width > pict.getWidth())
this.x = pict.getWidth() - this.width; // If so, set right to right edge
}
/**
* Moves the paddle down by the movement offset field within the picture window's bounds avoiding
* the given ball
*
* @param pict is the Picture object with the boundary to keep the paddle within
* @param ball is a ball that causes the paddle to move back if it's in the way
*/
public void moveDown(JFrame pict, Ball ball) {
this.y += this.offset; // Move y down by the offset
// Test to see if the paddle moved into the ball
if (ball.distance(this.x, this.y + this.height) < ball.getRadius()
|| ball.distance(this.x + this.width / 2, this.y + this.height) < ball.getRadius()
|| ball.distance(this.x + this.width, this.y + this.height) < ball.getRadius())
this.y -= this.offset; // If so, move it out of the ball
// Test to see if the boundary was in the way below
if (this.y + this.height > pict.getHeight())
this.y = pict.getHeight() - this.height; // If so, set bottom to picture bottom
}
public void run() {
while (true) {
if (t < 5) {
t++;
} else {
t = 0;
}
if (mainMenu) {
// Ball is bounced if its x - position reaches the right border of the applet
if (posy_cursor < posy_new) {
// Change direction of ball movement
posy_cursor += 50;
}
// Ball is bounced if its x - position reaches the left border of the applet
else if (posy_cursor > posy_highscores) {
// Change direction of ball movement
posy_cursor -= 50;
}
} else if (gamePlaying) {
ball.move();
if (ball.y_Pos() < 0) {
ball.reflectVertically();
} else if ((ball.x_Pos() < 0) || (ball.x_Pos() > appletsize_x)) {
ball.reflectHorizontally();
}
if (ball.y_Pos() > 590) {
if ((ball.x_Pos() > pad.x() - ball.radius())
&& ((ball.x_Pos() < pad.x() + (pad.width() / 2)))) {
ball.reflectFromPaddle(LEFT);
} else if ((ball.x_Pos() > pad.x() + (pad.width() / 2))
&& ((ball.x_Pos() < pad.x() + pad.width + ball.radius()))) {
ball.reflectFromPaddle(RIGHT);
} else {
ball.startBall();
}
}
for (int x = 0; x < numBricksX; x++) {
for (int y = 0; y < numBricksY; y++) {
if (brickWall[x][y].notBroken()) {
if (brickWall[x][y].ballContactVertical(ball.x_Pos(), ball.y_Pos())) {
ball.reflectVertically();
brickWall[x][y].reduceLife();
brickWall[x][y].startDropping();
} else if (brickWall[x][y].ballContactHorizontal(ball.x_Pos(), ball.y_Pos())) {
ball.reflectHorizontally();
brickWall[x][y].reduceLife();
brickWall[x][y].startDropping();
}
}
}
}
}
if (t == 5) {
for (int x = 0; x < numBricksX; x++) {
for (int y = 0; y < numBricksY; y++) {
brickWall[x][y].dropPowerUp();
if (brickWall[x][y].paddleContact(pad.xPos, 590)) {
pad.widthIncrease();
}
}
}
}
try {
// Stop thread for 20 milliseconds
Thread.sleep(2);
} catch (InterruptedException ex) {
// do nothing
}
repaint();
}
}
void new_ball(Vec vec) {
Ball b = new Ball();
b.pos = vec;
balls.add(b);
}
public void start() {
ball = new Ball(50, 50);
ball.changeColor(colorList[0]);
}
// 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
public void mouseClicked(MouseEvent ev) {
ball.move(ev.getX(), ev.getY());
repaint();
}
public void checkForHit() {
// change ball speed when ball hits paddle
if (ball.getShape().intersects(paddle.getShape())) {
int leftSide = paddle.getX();
int middleLeft = paddle.getX() + (int) (paddle.getWidth() / 3);
int middleRight = paddle.getX() + (int) (2 * paddle.getWidth() / 3);
int rightSide = paddle.getX() + paddle.getWidth();
if ((ball.getX() >= leftSide) && (ball.getX() < middleLeft)) {
// change ball speed
ball.setXspeed(-2);
ball.setYspeed(-2);
}
if ((ball.getX() >= middleLeft) && (ball.getX() <= middleRight)) {
// change ball speed
ball.setYspeed(-2);
}
if ((ball.getX() > middleRight) && (ball.getX() <= rightSide)) {
// change ball speed
ball.setXspeed(2);
ball.setYspeed(-2);
}
}
// change ball speed when ball hits brick
for (int i = 0; i < bconfig.getRows(); i++) {
for (int j = 0; j < bconfig.getCols(); j++) {
if (bconfig.exists(i, j)) {
if (ball.getShape().intersects(bconfig.getBrick(i, j).getShape())) {
Point ballLeft =
new Point(
(int) ball.getShape().getX(),
(int) (ball.getShape().getY() + ball.getShape().getHeight() / 2));
Point ballRight =
new Point(
(int) (ball.getShape().getX() + ball.getShape().getWidth()),
(int) (ball.getShape().getY() + ball.getShape().getHeight() / 2));
Point ballTop =
new Point(
(int) (ball.getShape().getX() + ball.getShape().getWidth() / 2),
(int) ball.getShape().getY());
Point ballBottom =
new Point(
(int) (ball.getShape().getX() + ball.getShape().getWidth() / 2),
(int) (ball.getShape().getY() + ball.getShape().getHeight()));
if (bconfig.getBrick(i, j).getShape().contains(ballLeft)) {
// change ball speed
ball.setXspeed(2);
score++;
} else if (bconfig.getBrick(i, j).getShape().contains(ballRight)) {
// change ball speed
ball.setXspeed(-2);
score++;
}
if (bconfig.getBrick(i, j).getShape().contains(ballTop)) {
// change ball speed
ball.setYspeed(2);
score++;
} else if (bconfig.getBrick(i, j).getShape().contains(ballBottom)) {
// change ball speed
ball.setYspeed(-2);
score++;
}
// remove brick
bconfig.removeBrick(i, j);
}
}
}
}
}
/**
* Determines if the given ball has collided with the paddle and returns true if it has and false
* if it has not. If the ball has collided with the paddle the balls movement vectors are modified
* so the ball will bounce back at the proper angle.
*
* @param ball is the ball to examine to see if it has collided with the paddle
* @return Returns true if ball collides with paddle and if so updates vectors
*/
public boolean collision(Ball ball) {
// Temp variables for paddle corner coordinates;
int pX1 = this.x;
int pX2 = pX1 + this.width - 1;
int pY1 = this.y;
int pY2 = pY1 + this.height - 1;
// Temp variables for ball coordinates, movement vectors, and radius
int bX = ball.getX();
int bY = ball.getY();
int vX = ball.getXVector();
int vY = ball.getYVector();
int bRad = ball.getRadius();
// Testing for collisions with the paddle edges and the Ball
if (bX < pX1 && bY >= pY1 && bY <= pY2 && vX > 0) // left edge
{
if (bX + bRad > pX1) // will collide with edge
{
ball.setX(pX1 - bRad);
ball.setXVector(-Math.abs(vX)); // Change x direction
return true;
}
} else if (bX > pX2 && bY >= pY1 && bY <= pY2 && vX < 0) // right edge
{
if (bX - bRad < pX2) // will collide with edge
{
ball.setX(pX2 + bRad);
ball.setXVector(Math.abs(vX)); // Change x direction
return true;
}
} else if (bY < pY1 && bX >= pX1 && bX <= pX2 && vY > 0) // top edge
{
if (bY + bRad > pY1) // will collide with edge
{
ball.setY(pY1 - bRad);
ball.setYVector(-Math.abs(vY)); // Change y direction
return true;
}
} else if (bY > pY2 && bX >= pX1 && bX <= pX2 && vY < 0) // bottom edge
{
if (bY - bRad < pY2) // will collide with edge
{
ball.setY(pY2 + bRad);
ball.setYVector(Math.abs(vY)); // Change y direction
return true;
}
} else // Otherwise test to see if the ball hits a corner of the paddle
{
if (ball.distance(pX1, pY1) <= bRad
&& ball.distance(pX1, pY1) <= ball.distance(pX2, pY1)) { // top-left corner collision
if (Math.abs(pX1 - bX) >= Math.abs(pY1 - bY)) if (vX > 0) ball.setXVector(-vX);
if (Math.abs(pX1 - bX) <= Math.abs(pY1 - bY)) if (vY > 0) ball.setYVector(-vY);
return true;
} else if (ball.distance(pX2, pY1) <= bRad) { // top-right corner collision
if (Math.abs(pX2 - bX) >= Math.abs(pY1 - bY)) if (vX < 0) ball.setXVector(-vX);
if (Math.abs(pX2 - bX) <= Math.abs(pY1 - bY)) if (vY > 0) ball.setYVector(-vY);
return true;
} else if (ball.distance(pX2, pY2) <= bRad
&& ball.distance(pX2, pY2) <= ball.distance(pX1, pY2)) { // bottom-right corner collision
if (Math.abs(pX2 - bX) >= Math.abs(pY2 - bY)) if (vX < 0) ball.setXVector(-vX);
if (Math.abs(pX2 - bX) <= Math.abs(pY2 - bY)) if (vY < 0) ball.setYVector(-vY);
return true;
} else if (ball.distance(pX1, pY2) <= bRad) { // bottom-left corner collision
if (Math.abs(pX1 - bX) >= Math.abs(pY2 - bY)) if (vX > 0) ball.setXVector(-vX);
if (Math.abs(pX1 - bX) <= Math.abs(pY2 - bY)) if (vY < 0) ball.setYVector(-vY);
return true;
}
}
return false;
}
public void actionPerformed(ActionEvent e) {
ball.changeColor(colorList[++colorNo % colorList.length]);
repaint();
}
public boolean intersectsWith(Ball other) {
return this.x <= other.x && other.x <= this.rightX()
|| this.x <= other.rightX() && other.rightX() <= this.rightX();
}
public void paint(Graphics g) {
ball.paint(g);
}