From 80adfca54cfc9c27600a9725f4e9bfa29b43f511 Mon Sep 17 00:00:00 2001
From: Samita Adhikari <sadhika7@myune.edu.au>
Date: Tue, 19 Sep 2023 23:47:05 +0545
Subject: [PATCH] Basic Game logic Implementation
---
app/src/main/java/brickbreaker/App.java | 14 +-
.../java/brickbreaker/GameMapBuilder.java | 56 +++++
app/src/main/java/brickbreaker/GamePanel.java | 199 +++++++++++++++++-
.../main/java/brickbreaker/LoginFrame.java | 4 -
app/src/main/java/brickbreaker/Vector.java | 19 ++
5 files changed, 273 insertions(+), 19 deletions(-)
create mode 100644 app/src/main/java/brickbreaker/GameMapBuilder.java
create mode 100644 app/src/main/java/brickbreaker/Vector.java
diff --git a/app/src/main/java/brickbreaker/App.java b/app/src/main/java/brickbreaker/App.java
index 1a2f5fb..4ab69ae 100644
--- a/app/src/main/java/brickbreaker/App.java
+++ b/app/src/main/java/brickbreaker/App.java
@@ -7,11 +7,13 @@ import javax.swing.JFrame;
public class App {
public static void main(String[] args) {
- LoginFrame frame=new LoginFrame();
- frame.setTitle("Register || Brick Breaker");
- frame.setVisible(true);
- frame.setBounds(10,10,370,600);
- frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
- frame.setResizable(false);
+ JFrame obj = new JFrame();
+ GamePanel gamePanel = new GamePanel();
+ obj.setBounds(10, 10, 700, 600);
+ obj.setTitle("Brick Breaker");
+ obj.setResizable(false);
+ obj.setVisible(true);
+ obj.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+ obj.add(gamePanel);
}
}
diff --git a/app/src/main/java/brickbreaker/GameMapBuilder.java b/app/src/main/java/brickbreaker/GameMapBuilder.java
new file mode 100644
index 0000000..f946281
--- /dev/null
+++ b/app/src/main/java/brickbreaker/GameMapBuilder.java
@@ -0,0 +1,56 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package brickbreaker;
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Graphics2D;
+
+/**
+ *
+ * @author Suman
+ */
+class GameMapBuilder {
+
+ public int map [][];
+ public int brickWidth;
+ public int brickHeight;
+
+ // this creates the brick of size 4x8
+ public GameMapBuilder(int row, int col) {
+ map = new int [row][col];
+ for (int i = 0; i < map.length; i++) {
+ for (int j=0; j< map[0].length;j++) {
+ map[i][j] = 1;
+ }
+ }
+
+ brickWidth = 540/col;
+ brickHeight = 150/row;
+ }
+
+ // this draws the bricks
+ public void draw(Graphics2D g) {
+ for (int i = 0; i < map.length; i++) {
+ for (int j=0; j< map[0].length;j++) {
+ if(map[i][j] > 0) {
+ g.setColor(new Color(0XFF8787)); // brick color
+ g.fillRect(j*brickWidth + 80, i*brickHeight + 50, brickWidth, brickHeight);
+
+ g.setStroke(new BasicStroke(4));
+ g.setColor(Color.BLACK);
+ g.drawRect(j*brickWidth + 80, i*brickHeight + 50, brickWidth, brickHeight);
+ }
+ }
+
+ }
+ }
+
+ // this sets the value of brick to 0 if it is hit by the ball
+ public void setBrickValue(int value, int row, int col) {
+ map[row][col] = value;
+ }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/brickbreaker/GamePanel.java b/app/src/main/java/brickbreaker/GamePanel.java
index f1e6ec7..eee5533 100644
--- a/app/src/main/java/brickbreaker/GamePanel.java
+++ b/app/src/main/java/brickbreaker/GamePanel.java
@@ -1,13 +1,194 @@
-/*
- * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
- * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
- */
package brickbreaker;
-/**
- *
- * @author Suman
- */
-public class GamePanel {
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.KeyEvent;
+import java.awt.event.KeyListener;
+
+public class GamePanel extends JPanel implements KeyListener, ActionListener {
+ private boolean play = true;
+ private int score = 0;
+
+ private int totalBricks = 21;
+
+ private Timer timer;
+ private int delay = 8;
+
+ private int playerX = 310;
+
+ private Vector ballPosition;
+ private Vector ballDirection;
+ private String font = "MV Boli";
+
+ private GameMapBuilder map;
+
+ public GamePanel() {
+ this.ballPosition = new Vector(120, 350);
+ this.ballDirection = new Vector(-1, -2);
+
+ map = new GameMapBuilder(4, 8);
+ addKeyListener(this);
+ setFocusable(true);
+ setFocusTraversalKeysEnabled(false);
+ timer = new Timer(delay, this);
+ timer.start();
+ }
+
+ protected void paintComponent(Graphics graphics) {
+ super.paintComponent(graphics);
+
+ // background color
+ graphics.setColor(Color.green);
+ graphics.fillRect(1, 1, 692, 592);
+
+ map.draw((Graphics2D) graphics);
+
+ graphics.fillRect(0, 0, 3, 592);
+ graphics.fillRect(0, 0, 692, 3);
+ graphics.fillRect(691, 0, 3, 592);
+
+ graphics.setColor(Color.blue);
+ graphics.fillRect(playerX, 550, 100, 12);
+
+ graphics.setColor(Color.RED); // ball color
+ graphics.fillOval(ballPosition.x, ballPosition.y, 20, 20);
+
+ graphics.setColor(Color.black);
+ graphics.setFont(new Font("MV Boli", Font.BOLD, 25));
+ graphics.drawString("Score: " + score, 520, 30);
+
+ if (totalBricks <= 0) { // if all bricks are destroyed then you win
+
+ Color color = new Color(0XFF6464);
+ gameOver(graphics, "You Won", color);
+
+ }
+
+ if (ballPosition.y > 570) { // if ball goes below the paddle then you lose
+ gameOver(graphics, "Game Over", Color.BLACK);
+ }
+ }
+
+ public void gameOver(Graphics graphics, String gameOverText,Color color) {
+ play = false;
+ ballDirection.x = 0;
+ ballDirection.y = 0;
+ graphics.setColor(color);
+ graphics.setFont(new Font(font, Font.BOLD, 30));
+ graphics.drawString(gameOverText + ", Your Score: " + score, 190, 300);
+
+ graphics.setFont(new Font(font, Font.BOLD, 20));
+ graphics.drawString("Press Enter to Restart", 230, 350);
+ }
+ @Override
+ public void actionPerformed(ActionEvent arg0) {
+ if (play) {
+ // Ball - Pedal interaction
+ if (new Rectangle(ballPosition.x, ballPosition.y, 20, 20).intersects(new Rectangle(playerX, 550, 100, 8))) {
+ ballDirection.y = -ballDirection.y;
+ }
+ for (int i = 0; i < map.map.length; i++) { // Ball - Brick interaction
+ for (int j = 0; j < map.map[0].length; j++) { // map.map[0].length is the number of columns
+ if (map.map[i][j] > 0) {
+ int brickX = j * map.brickWidth + 80;
+ int brickY = i * map.brickHeight + 50;
+ int brickWidth = map.brickWidth;
+ int brickHeight = map.brickHeight;
+
+ Rectangle rect = new Rectangle(brickX, brickY, brickWidth, brickHeight);
+ Rectangle ballRect = new Rectangle(ballPosition.x, ballPosition.y, 20, 20);
+ Rectangle brickRect = rect;
+
+ if (ballRect.intersects(brickRect)) {
+ map.setBrickValue(0, i, j);
+ totalBricks--;
+ score += 5;
+
+ if (ballPosition.x + 19 <= brickRect.x || ballPosition.x + 1 >= brickRect.x + brickRect.width)
+ ballDirection.x = -ballDirection.x;
+ else {
+ ballDirection.y = -ballDirection.y;
+ }
+ }
+
+ }
+
+ }
+ }
+
+ ballPosition.x += ballDirection.x;
+ ballPosition.y += ballDirection.y;
+ if (ballPosition.x < 0) { // if ball hits the left wall then it bounces back
+ ballDirection.x = -ballDirection.x;
+ }
+ if (ballPosition.y < 0) { // if ball hits the top wall then it bounces back
+ ballDirection.y = -ballDirection.y;
+ }
+ if (ballPosition.x > 670) { // if ball hits the right wall then it bounces back
+ ballDirection.x = -ballDirection.x;
+ }
+
+ }
+
+ repaint();
+ }
+
+ @Override
+ public void keyTyped(KeyEvent arg0) {
+
+ }
+
+ @Override
+ public void keyPressed(KeyEvent arg0) {
+ if (arg0.getKeyCode() == KeyEvent.VK_RIGHT) { // if right arrow key is pressed then paddle moves right
+ if (playerX >= 600) {
+ playerX = 600;
+ } else {
+ moveRight();
+
+ }
+ }
+ if (arg0.getKeyCode() == KeyEvent.VK_LEFT) { // if left arrow key is pressed then paddle moves left
+ if (playerX < 10) {
+ playerX = 10;
+ } else {
+ moveLeft();
+
+ }
+ }
+
+ if (arg0.getKeyCode() == KeyEvent.VK_ENTER) { // if enter key is pressed then game restarts
+ if (!play) {
+ play = true;
+ ballPosition.x = 120;
+ ballPosition.y = 350;
+ ballDirection.x = -1;
+ ballDirection.y = -2;
+ score = 0;
+ totalBricks = 21;
+ map = new GameMapBuilder(7, 8);
+
+ repaint();
+ }
+ }
+
+ }
+
+ public void moveRight() { // paddle moves right by 50 pixels
+ play = true;
+ playerX += 50;
+ }
+
+ public void moveLeft() { // paddle moves left by 50 pixels
+ play = true;
+ playerX -= 50;
+ }
+
+ @Override
+ public void keyReleased(KeyEvent arg0) {
+
+ }
}
diff --git a/app/src/main/java/brickbreaker/LoginFrame.java b/app/src/main/java/brickbreaker/LoginFrame.java
index 71252a9..4dd910a 100644
--- a/app/src/main/java/brickbreaker/LoginFrame.java
+++ b/app/src/main/java/brickbreaker/LoginFrame.java
@@ -1,7 +1,3 @@
-/*
- * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
- * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
- */
package brickbreaker;
/**
diff --git a/app/src/main/java/brickbreaker/Vector.java b/app/src/main/java/brickbreaker/Vector.java
new file mode 100644
index 0000000..258cb98
--- /dev/null
+++ b/app/src/main/java/brickbreaker/Vector.java
@@ -0,0 +1,19 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package brickbreaker;
+
+/**
+ *
+ * @author Suman
+ */
+public class Vector {
+ public int x;
+ public int y;
+
+ public Vector(int x, int y) {
+ this.x = x;
+ this.y = y;
+ }
+}
--
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