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  1. PO
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    <p>got one of my friends to look at it and fix for you</p> <pre><code>import java.awt.Color; import java.awt.Graphics; import java.awt.Rectangle; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import javax.swing.JFrame; public class RadicalRacing extends JFrame { private static final long serialVersionUID = 1L; // Environment size final int WIDTH = 900, HEIGHT = 650; // Player speed double p1Speed = .5, p2Speed = .5; // Integer values that represent directions final int UP = 0, RIGHT = 1, DOWN = 2, LEFT = 3; // These keep track of the players directions(default = up) int p1Direction = UP; int p2Direction = UP; // Environment objects Rectangle left = new Rectangle(0, 0, WIDTH / 9, HEIGHT); Rectangle right = new Rectangle((WIDTH / 9) * 8, 0, WIDTH / 9, HEIGHT); Rectangle top = new Rectangle(0, 0, WIDTH, HEIGHT / 9); Rectangle bottom = new Rectangle(0, (HEIGHT / 9) * 8, WIDTH, HEIGHT / 9); Rectangle center = new Rectangle((int) ((WIDTH / 9) * 2.5), (int) ((HEIGHT / 9) * 2.5), (int) ((WIDTH / 9) * 5), (HEIGHT / 9) * 4); Rectangle obstacle = new Rectangle(WIDTH / 2, (int) ((HEIGHT / 9) * 7), WIDTH / 10, HEIGHT / 9); Rectangle obstacle2 = new Rectangle(WIDTH / 3, (int) ((HEIGHT / 9) * 5), WIDTH / 10, HEIGHT / 4); Rectangle obstacle3 = new Rectangle(2 * (WIDTH / 3), (int) ((HEIGHT / 9) * 5), WIDTH / 10, HEIGHT / 4); Rectangle obstacle4 = new Rectangle(WIDTH / 3, HEIGHT / 9, WIDTH / 30, HEIGHT / 9); Rectangle obstacle5 = new Rectangle(WIDTH / 2, (int) ((HEIGHT / 9) * 1.5), WIDTH / 30, HEIGHT / 4); Rectangle finish = new Rectangle(WIDTH / 9, (HEIGHT / 2) - HEIGHT / 9, (int) ((WIDTH / 9) * 1.5), HEIGHT / 70); Rectangle p1 = new Rectangle(WIDTH / 9, HEIGHT / 2, WIDTH / 30, WIDTH / 30); Rectangle p2 = new Rectangle( ((WIDTH / 9) + ((int) ((WIDTH / 9) * 1.5) / 2)), (HEIGHT / 2) + (HEIGHT / 10), WIDTH / 30, WIDTH / 30); // Start the program by calling the non-static constructor. public static void main(String[] args) { new RadicalRacing(); } // Constructor. public RadicalRacing() { super("Radical Racing"); // title of the window setSize(WIDTH, HEIGHT); setDefaultCloseOperation(EXIT_ON_CLOSE); setVisible(true); // A thread is nessicary to run the environment graphics and controls // at the same time. The graphics will run on the main thread and // the controls will be operated on a second thread. Movement m = new Movement(); m.start(); try { while(true) { // Delay the refresh rate of the graphics. Thread.sleep(50); // Update the environment graphics with new positioning, etc repaint(); } } catch(Exception e) { } } @Override public void paint(Graphics g) { // The racetrack itself is the background of the interface. g.setColor(Color.DARK_GRAY); g.fillRect(0, 0, WIDTH, HEIGHT); // Draw the environment outside of the race track g.setColor(Color.BLACK); g.fillRect(left.x, left.y, left.width, left.height); g.fillRect(right.x, right.y, right.width, right.height); g.fillRect(top.x, top.y, top.width, top.height); g.fillRect(bottom.x, bottom.y, bottom.width, bottom.height); g.fillRect(center.x, center.y, center.width, center.height); g.fillRect(obstacle.x, obstacle.y, obstacle.width, obstacle.height); g.fillRect(obstacle2.x, obstacle2.y, obstacle2.width, obstacle2.height); g.fillRect(obstacle3.x, obstacle3.y, obstacle3.width, obstacle3.height); g.fillRect(obstacle4.x, obstacle4.y, obstacle4.width, obstacle4.height); g.fillRect(obstacle5.x, obstacle5.y, obstacle5.width, obstacle5.height); // Draw the starting lines. g.setColor(Color.WHITE); // ..outer player starting line.. Rectangle lineO = new Rectangle(WIDTH / 9, HEIGHT / 2, (int) ((WIDTH / 9) * 1.5) / 2, HEIGHT / 140); // ..inner player starting line.. Rectangle lineI = new Rectangle( ((WIDTH / 9) + ((int) ((WIDTH / 9) * 1.5) / 2)), (HEIGHT / 2) + (HEIGHT / 10), (int) ((WIDTH / 9) * 1.5) / 2, HEIGHT / 140); g.fillRect(lineO.x, lineO.y, lineO.width, lineO.height); g.fillRect(lineI.x, lineI.y, lineI.width, lineI.height); // Draw the finish line. g.setColor(Color.YELLOW); g.fillRect(finish.x, finish.y, finish.width, finish.height); // Draw player #1 g.setColor(Color.BLUE); g.fillRect(p1.x, p1.y, p1.width, p1.height); // Draw player #2 g.setColor(Color.red); g.fillRect(p2.x, p2.y, p2.width, p2.height); } private class Movement extends Thread implements KeyListener { public void run() { // Activate keyboard controls addKeyListener(this); try { while(true) { // Delay the rate at which these variables are calculated. // Higher the number, the slower the race will feel. // Lower the number, the faster. // Too low and the game will be glitchy. Thread.sleep(75); // Check to see if the car hits the outside of the walls. // If so, slow it's speed temporarily. if( p1.intersects(left) || p1.intersects(right) || p1.intersects(top) || p1.intersects(bottom) || p1.intersects(obstacle) || p1.intersects(obstacle2) || p1.intersects(p2) || p1.intersects(obstacle3) || p1.intersects(obstacle4) || p1.intersects(obstacle5)) { p1Speed = -4; } if( p2.intersects(left) || p2.intersects(right) || p2.intersects(top) || p2.intersects(bottom) || p2.intersects(obstacle) || p2.intersects(obstacle2) || p2.intersects(p1) || p2.intersects(obstacle3) || p2.intersects(obstacle4) || p2.intersects(obstacle5)) { p2Speed = -4; } // If the car hits the center, slow it's speed just a little bit. if(p1.intersects(center)) p1Speed = -2.5; if(p2.intersects(center)) p2Speed = -2.5; // Now increase speed some. if(p1Speed &lt;= 5) p1Speed += .2; if(p2Speed &lt;= 5) p2Speed += .2; // Now move the player in the direction they're facing. if(p1Direction == UP) p1.y -= (int)p1Speed; if(p1Direction == DOWN) p1.y += (int)p1Speed; if(p1Direction == LEFT) p1.x -= (int)p1Speed; if(p1Direction == RIGHT) p1.x += (int)p1Speed; if(p2Direction == UP) p2.y -= (int)p2Speed; if(p2Direction == DOWN) p2.y += (int)p2Speed; if(p2Direction == LEFT) p2.x -= (int)p2Speed; if(p2Direction == RIGHT) p2.x += (int)p2Speed; } } catch (Exception e) { e.printStackTrace(); } } // Unused methods required for implementation. public void keyPressed(KeyEvent event) { } public void keyReleased(KeyEvent event) { } public void keyTyped(KeyEvent event) { char c = event.getKeyChar(); if(c == 'a') p1Direction = LEFT; if(c == 's') p1Direction = DOWN; if(c == 'd') p1Direction = RIGHT; if(c == 'w') p1Direction = UP; if(c == 'j') p2Direction = LEFT; if(c == 'k') p2Direction = DOWN; if(c == 'l') p2Direction = RIGHT; if(c == 'i') p2Direction = UP; } } } </code></pre> <p>spacing is probably off, but that doesnt matter much xD</p>
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    1. POWhy won't player 2's move method work without code for player 1?
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    1. COOh. Wooow. Thanks man. This is a LOT of different code than is in the book, but it works. I got some studying to do. LOL
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