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  #1 (permalink)  
Old 05-14-2008, 11:01 PM
Member
 
Join Date: May 2008
Posts: 1
sharkbait11 is on a distinguished road
can someone fix this?
hey so me and a freind are working on a game
but both of us are confused about whats wrong...
we have everything needed but it wont work

the blue triangle is supposed to move across a horizantal axis on the screen under the commands of the left and right arrow keys

can someone please fix it?

Quote:
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.*;
import java.net.*;
import java.util.*;
import java.applet.Applet;
import java.applet.AudioClip;
import javax.swing.*;

class GalaxyWars2
{
static int height;
static int width;

Polygon shape;
boolean active;
double angle;
double deltaAngle;
double currentX, currentY;
double deltaX, deltaY;
Polygon sprite;

public GalaxyWars2()
{
this.shape = new Polygon();
this.active = false;
this.angle = 0.0;
this.deltaAngle = 0.0;
this.currentX = 0.0;
this.currentY = 0.0;
this.deltaX = 0.0;
this.deltaY = 0.0;
this.sprite = new Polygon();
}

public void advance() {

this.angle += this.deltaAngle;
if (this.angle < 0)
this.angle += 2 * Math.PI;
if (this.angle > 2 * Math.PI)
this.angle -= 2 * Math.PI;
this.currentX += this.deltaX;
if (this.currentX < -width / 2)
this.currentX += width;
if (this.currentX > width / 2)
this.currentX -= width;
this.currentY -= this.deltaY;
if (this.currentY < -height / 2)
this.currentY += height;
if (this.currentY > height / 2)
this.currentY -= height;
}

public void render() {

int i;

this.sprite = new Polygon();
for (i = 0; i < this.shape.npoints; i++)
this.sprite.addPoint((int) Math.round(this.shape.xpoints[i] * Math.cos(this.angle) + this.shape.ypoints[i] * Math.sin(this.angle)) + (int) Math.round(this.currentX) + width / 2,
(int) Math.round(this.shape.ypoints[i] * Math.cos(this.angle) - this.shape.xpoints[i] * Math.sin(this.angle)) + (int) Math.round(this.currentY) + height / 2);
}


}

public class GWars2 extends Applet implements Runnable, ActionListener
{

int Score;
int shipsLeft=5;
int shipCounter;

GalaxyWars2 ship;
GalaxyWars2 enemy;

boolean playing;

boolean left = false;
boolean right = false;
boolean up = false;

Dimension offDimension;
Image offImage;
Graphics offGraphics;
Thread thethread;

Font font = new Font("Earwig Factory", Font.BOLD, 25);
FontMetrics fm;
int fontWidth;
int fontHeight;

public String getAppletInfo() {

return("Galaxy Wars 2, Copyright 2007 by Aaron , Tyler and Justin");
}
public void init()
{
Graphics g;
Dimension d;
int i;

g = getGraphics();
d = size();
GalaxyWars2.width = d.width;
GalaxyWars2.height = d.height;

//Makes our ships
ship=new GalaxyWars2();
ship.shape.addPoint(0, 20);
ship.shape.addPoint(20,10);
ship.shape.addPoint(0,0 );
ship.shape.addPoint(0,20 );

enemy=new GalaxyWars2();
enemy.shape.addPoint(250, 250);
enemy.shape.addPoint(233,342 );
enemy.shape.addPoint(234,84 );
enemy.shape.addPoint(340,230 );
enemy.shape.addPoint(250,250 );


initGame();
endGame();
}

public void initGame()
{
Score = 0;
initShip();
playing = true;
}
//ends game
public void endGame()
{
playing = false;
stopShip();
}
//stops our ship
public void stopShip()
{
ship.active = false;
}

public void initShip()
{
ship.active = true;
ship.angle = 0.0;
ship.deltaAngle = 0.0;
ship.currentX = 0.0;
ship.currentY = 0.0;
ship.deltaX = 0.0;
ship.deltaY = 0.0;
ship.render();
}
//updates ships cordinates
public void updateShip() {

double dx, dy;

if (!playing)
return;

if (left) {
ship.deltaX +=20;


ship.render();

}
if (right) {
ship.angle -= Math.PI / 16.0;
if (ship.angle < 0)
ship.angle += 2 * Math.PI;

dx = -Math.sin(ship.angle);
dy = Math.cos(ship.angle);

if (ship.active) {
ship.advance();
ship.render();
}

else
if (--shipCounter <= 0 || Score < 0)
if (shipsLeft > 0) {
initShip();
}

else
endGame();
}
}
public void run() {
int DELAY = 5;


int i, j;
long startTime;



Thread.currentThread().setPriority(Thread.MIN_PRIO RITY);
startTime = System.currentTimeMillis();


while (Thread.currentThread() == thethread) {


if (1 <0) {


updateShip();

int Score =1;

if (Score <= 0)
{
endGame();
}



}


updateShip();
repaint();
try {
startTime += DELAY;
Thread.sleep(Math.max(0, startTime - System.currentTimeMillis()));
}
catch (InterruptedException e) {
break;
}
}

}

public void start()
{
if (thethread == null)
{
thethread = new Thread(this);
thethread.start();
}
}

public void stop()
{
if (thethread != null)
{
thethread.stop();
thethread = null;
}
}
public void actionPerformed(ActionEvent e) {
int ShipCC=0;
if ("Ship".equals(e.getActionCommand()))
{
System.out.println("Confirm");
} }
public boolean keyUp(Event e, int key)
{


if (key==1005) {
up=true;
}

if (key==1007) {
left=true;
System.out.println("Left key up");
}
if (key==1006) {
right=false;
}

return true;
}

public boolean keyDown(Event e, int key) {

// Check if any cursor keys have been pressed and set flags.
if (key==1005) {
up=false;
}
if (key==1007) {
left=false;
System.out.println("Left key pressed");
}
if (key==1006) {
right=true;
}

return true;
}
public void paint(Graphics g) {

update(g);
}


public void update(Graphics g)
{
Dimension d = size();
int i;

if (offGraphics == null || d.width != offDimension.width || d.height != offDimension.height) {
offDimension = d;
offImage = createImage(d.width, d.height);
offGraphics = offImage.getGraphics();
}
offGraphics.setColor(Color.black);
offGraphics.fillRect(0, 0, d.width, d.height);



if (shipsLeft >= 5)
{
offGraphics.setColor(Color.blue);
offGraphics.fillPolygon(ship.sprite);
}
if(shipsLeft == 4)
{
offGraphics.setColor(Color.yellow);
offGraphics.fillPolygon(ship.sprite);
}
if(shipsLeft == 3)
{
offGraphics.setColor(Color.orange);
offGraphics.fillPolygon(ship.sprite);
}
if(shipsLeft == 2)
{
offGraphics.setColor(Color.red);
offGraphics.fillPolygon(ship.sprite);
}
if(shipsLeft == 1)
{
offGraphics.setColor(Color.white);
offGraphics.fillPolygon(ship.sprite);
}

offGraphics.setColor(new Color(0, 0, 0));
offGraphics.drawPolygon(ship.sprite);
offGraphics.drawLine(ship.sprite.xpoints[ship.sprite.npoints - 1], ship.sprite.ypoints[ship.sprite.npoints - 1],
ship.sprite.xpoints[0], ship.sprite.ypoints[0]);

g.drawImage(offImage, 0, 0, this);
}
}
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  #2 (permalink)  
Old 05-16-2008, 04:07 AM
Senior Member
 
Join Date: Jul 2007
Posts: 1,124
hardwired is on a distinguished road
How to handle deprecated warnings:
Code:
C:\jexp>javac gw2.java Note: gw2.java uses or overrides a deprecated API. Note: Recompile with -Xlint:deprecation for details. C:\jexp>javac -Xlint:deprecation gw2.java gw2.java:48: warning: [deprecation] size() in java.awt.Component has been deprecated d = size(); ^ gw2.java:178: warning: [deprecation] stop() in java.lang.Thread has been deprecated thethread.stop(); ^ gw2.java:191: warning: [deprecation] keyUp(java.awt.Event,int) in java.awt.Component has b een deprecated public boolean keyUp(Event e, int key) ^ gw2.java:208: warning: [deprecation] keyDown(java.awt.Event,int) in java.awt.Component has been deprecated public boolean keyDown(Event e, int key) { ^ gw2.java:230: warning: [deprecation] size() in java.awt.Component has been deprecated Dimension d = size(); ^ 5 warnings
Try right arrow key now...
Code:
// <applet code="GW2" width="400" height="400"></applet> import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.awt.*; import java.net.*; import java.util.*; import java.applet.Applet; import java.applet.AudioClip; import javax.swing.*; public class GW2 extends Applet implements Runnable, ActionListener { int Score; int shipsLeft=5; int shipCounter; GalaxyWars2 ship; GalaxyWars2 enemy; boolean playing; boolean left = false; boolean right = false; boolean up = false; Dimension offDimension; Image offImage; Graphics offGraphics; Thread thethread; Font font = new Font("Earwig Factory", Font.BOLD, 25); FontMetrics fm; int fontWidth; int fontHeight; public String getAppletInfo() { return("Galaxy Wars 2, Copyright 2007 by Aaron , Tyler and Justin"); } public void init() { Graphics g; Dimension d; int i; g = getGraphics(); d = size(); GalaxyWars2.width = d.width; GalaxyWars2.height = d.height; //Makes our ships ship=new GalaxyWars2(); ship.shape.addPoint(0, 20); ship.shape.addPoint(20,10); ship.shape.addPoint(0,0 ); ship.shape.addPoint(0,20 ); enemy=new GalaxyWars2(); enemy.shape.addPoint(250, 250); enemy.shape.addPoint(233,342 ); enemy.shape.addPoint(234,84 ); enemy.shape.addPoint(340,230 ); enemy.shape.addPoint(250,250 ); initGame(); endGame(); requestFocusInWindow(); } public void initGame() { Score = 0; initShip(); playing = true; } public void endGame() { playing = false; stopShip(); } public void stopShip() { ship.active = false; } public void initShip() { ship.active = true; ship.angle = 0.0; ship.deltaAngle = 0.0; ship.currentX = 0.0; ship.currentY = 0.0; ship.deltaX = 0.0; ship.deltaY = 0.0; ship.render(); } //updates ships cordinates public void updateShip() { double dx, dy; if (!playing) return; if (left) { ship.deltaX += 20; ship.advance(); System.out.println("ship.deltaX = " + ship.deltaX); ship.render(); } if (right) { ship.angle -= Math.PI / 16.0; if (ship.angle < 0) ship.angle += 2 * Math.PI; dx = -Math.sin(ship.angle); dy = Math.cos(ship.angle); if (ship.active) { ship.advance(); ship.render(); } else if (--shipCounter <= 0 || Score < 0) if (shipsLeft > 0) { initShip(); } else endGame(); } } public void run() { int DELAY = 5; int i, j; long startTime; Thread.currentThread().setPriority(Thread.MIN_PRIORITY); startTime = System.currentTimeMillis(); while (Thread.currentThread() == thethread) { if (1 < 0) { updateShip(); int Score = 1; if (Score <= 0) { endGame(); } } updateShip(); repaint(); try { startTime += DELAY; Thread.sleep(//Math.max(0, //startTime - System.currentTimeMillis())); 250); } catch (InterruptedException e) { break; } } } public void start() { if (thethread == null) { playing = true; thethread = new Thread(this); thethread.start(); } } public void stop() { if (thethread != null) { // thethread.stop(); // deprecated method playing = false; thethread.interrupt(); thethread = null; } } public void actionPerformed(ActionEvent e) { int ShipCC=0; if ("Ship".equals(e.getActionCommand())) { System.out.println("Confirm"); } } public boolean keyUp(Event e, int key) { if (key==1005) { up=true; } if (key==1007) { // left=true; left=false; System.out.println("Left key up"); } if (key==1006) { right=false; } return true; } public boolean keyDown(Event e, int key) { // Check if any cursor keys have been pressed and set flags. if (key==1005) { up=false; } if (key==1007) { // left=false; left=true; System.out.println("Left key pressed"); } if (key==1006) { right=true; } return true; } public void paint(Graphics g) { update(g); } public void update(Graphics g) { Dimension d = //size(); // deprecated method getSize(); int i; if (offGraphics == null || d.width != offDimension.width || d.height != offDimension.height) { offDimension = d; offImage = createImage(d.width, d.height); offGraphics = offImage.getGraphics(); } offGraphics.setColor(Color.black); offGraphics.fillRect(0, 0, d.width, d.height); if (shipsLeft >= 5) { offGraphics.setColor(Color.blue); offGraphics.fillPolygon(ship.sprite); } if(shipsLeft == 4) { offGraphics.setColor(Color.yellow); offGraphics.fillPolygon(ship.sprite); } if(shipsLeft == 3) { offGraphics.setColor(Color.orange); offGraphics.fillPolygon(ship.sprite); } if(shipsLeft == 2) { offGraphics.setColor(Color.red); offGraphics.fillPolygon(ship.sprite); } if(shipsLeft == 1) { offGraphics.setColor(Color.white); offGraphics.fillPolygon(ship.sprite); } offGraphics.setColor(//new Color(0, 0, 0)); Color.red); offGraphics.drawPolygon(ship.sprite); offGraphics.drawLine(ship.sprite.xpoints[ship.sprite.npoints - 1], ship.sprite.ypoints[ship.sprite.npoints - 1], ship.sprite.xpoints[0], ship.sprite.ypoints[0]); g.drawImage(offImage, 0, 0, this); } } class GalaxyWars2 { static int height; static int width; Polygon shape; boolean active; double angle; double deltaAngle; double currentX, currentY; double deltaX, deltaY; Polygon sprite; public GalaxyWars2() { this.shape = new Polygon(); this.active = //false; true; this.angle = 0.0; this.deltaAngle = 0.0; this.currentX = 0.0; this.currentY = 0.0; this.deltaX = 0.0; this.deltaY = 0.0; this.sprite = new Polygon(); } public void advance() { this.angle += this.deltaAngle; if (this.angle < 0) this.angle += 2 * Math.PI; if (this.angle > 2 * Math.PI) this.angle -= 2 * Math.PI; this.currentX += this.deltaX; if (this.currentX < -width / 2) this.currentX += width; if (this.currentX > width / 2) this.currentX -= width; this.currentY -= this.deltaY; if (this.currentY < -height / 2) this.currentY += height; if (this.currentY > height / 2) this.currentY -= height; } public void render() { int i; this.sprite = new Polygon(); for (i = 0; i < this.shape.npoints; i++) this.sprite.addPoint( (int) Math.round(this.shape.xpoints[i] * Math.cos(this.angle) + this.shape.ypoints[i] * Math.sin(this.angle)) + (int) Math.round(this.currentX) + width / 2, (int) Math.round(this.shape.ypoints[i] * Math.cos(this.angle) - this.shape.xpoints[i] * Math.sin(this.angle)) + (int) Math.round(this.currentY) + height / 2); } }
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