mureakuha 3.0 koodikirjasto Java/Tuplapuskurointi ja MultipleKey handling

Tuplapuskurointi ja MultipleKey handling

Japppppp 30.09.03 22:41

Yksinkertainen esimerkki kuinka voi esimerkiksi tehdä kahdenpelaajan näppäimistön hallinnan ja grafiikan tuplapuskuroinnin

Tekstiversio Arvo: 1 (5 ääntä) Äänestä: + -

/*
Esimerkki miten voi vaikkapa tehdä
kaksinpelin näppäimistön tapahtumien
hallinnan ja graafiikan tuplapuskuroinnin.

@author Japppppp

<HTML>
<HEAD>
<TITLE> KeyExample </TITLE>
</HEAD>
<BODY>
<APPLET CODE="KeyExample.class" WIDTH=400 HEIGHT=400>
</APPLET>
</BODY>
</HTML>

*/

import java.awt.*;
import java.applet.*;
import java.awt.event.*;

public class KeyExample extends Applet
implements Runnable, KeyListener
{
Player one;
Player two;

boolean leftUp = false;
boolean leftDown = false;
boolean leftLeft = false;
boolean leftRight = false;

boolean rightUp = false;
boolean rightDown = false;
boolean rightLeft = false;
boolean rightRight = false;

Thread gameThread;

int sleep = 50;

//tuplapuskurointi
Graphics puskuri;
Image image;

public void init()
{
super.init();
one = new Player(10, 10);
two = new Player(300, 300);

image = createImage(400,400);
puskuri = image.getGraphics();

addKeyListener(this);
requestFocus();

}

public void keyTyped(KeyEvent e){}

public void keyPressed(KeyEvent e)
{

char c = e.getKeyChar();
one.pressed = c;
two.pressed = c;

if (c == 'w')
{
leftUp = true;
}
if ( c == 's' )
{
leftDown = true;
}
if ( c == 'd')
{
leftRight = true;
}
if ( c == 'a' )
{
leftLeft = true;
}

if (c == 'i')
{
rightUp = true;
}
if ( c == 'k' )
{
rightDown = true;
}
if ( c == 'l')
{
rightRight = true;
}
if ( c == 'j' )
{
rightLeft = true;
}

}

public void keyReleased(KeyEvent e)
{

char c = e.getKeyChar();
if (c == 'w')
{
leftUp = false;
}
if ( c == 's' )
{
leftDown = false;
}
if ( c == 'd')
{
leftRight = false;
}
if ( c == 'a' )
{
leftLeft = false;
}

if (c == 'i')
{
rightUp = false;
}
if ( c == 'k' )
{
rightDown = false;
}
if ( c == 'l')
{
rightRight = false;
}
if ( c == 'j' )
{
rightLeft = false;
}
}

public void update(Graphics g)
{

puskuri.setColor(Color.black);
puskuri.fillRect(0,0,400,400);
puskuri.setColor(Color.white);

one.paint(puskuri);
two.paint(puskuri);

puskuri.drawString("Onex : " +one.x, 10, 200);
puskuri.drawString("Oney : " +one.y, 10, 220);
puskuri.drawString("Twox : " +two.x, 10, 240);
puskuri.drawString("Twoy : " +two.y, 10, 260);
puskuri.drawString("LastPressed : " +one.pressed, 10, 280);
paint(g);
}

public void paint(Graphics g)
{
g.drawImage( image , 0, 0 , null);
}

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

public void run()
{
while(true)
{
if(leftUp)
one.moveUp();

if(leftDown)
one.moveDown();

if(leftLeft)
one.moveLeft();

if(leftRight)
one.moveRight();

if(rightUp)
two.moveUp();

if(rightDown)
two.moveDown();

if(rightLeft)
two.moveLeft();

if(rightRight)
two.moveRight();

repaint();

try
{
   Thread.sleep(sleep);
}
   catch(Exception exc){};
}
}

public void stop()
{
gameThread = null;
}

class Player
{
public int x;
public int y;
public int size;
public char pressed;

public Player(int px, int py)
{
x = px;
y = py;
size = 2;
pressed = 'a';
}

protected void paint(Graphics g)
{
g.drawOval(x, y, size, size);
}

public void moveUp()
{
y-=5;
}

public void moveDown()
{
y+=5;
}

public void moveLeft()
{
x-=5;
}

public void moveRight()
{
x+=5;
}

}
}

stWasm1.0 14:28 14.9.05

Hyvä vinkki.

Haku

skeletonkuha