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javaでSTGを作ろうと思っています。
現在は自機の移動と弾一発、発射できます。
しかし、左斜め上に移動している時だけ弾が発射しません。他の方向に移動している時は弾がでます。
原因が分かれば教えてください。
import java.awt.*;
import java.awt.event.*;
public class Stg extends Frame implements Runnable,KeyListener{
Image pi=getToolkit().getImage("test.png");
Image tama=getToolkit().getImage("06.png");
Image black=getToolkit().getImage("black.jpg");
int px=300,py=450,tx,ty=-100;
int key[]=new int[5];
public static void main(String[] args) {
new Stg();
}
public Stg(){
Thread t;
setSize(800,500);
setVisible(true);
addWindowListener(new Ada());
addKeyListener(this);
t = new Thread(this);
t.start();
}
public void run(){
try{
while(true){
action();
repaint();
Thread.sleep(20);
}
}catch(Exception e){}
}
public void update(Graphics g){
paint(g);
}
public void paint(Graphics g){
g.drawImage(black,0,0,this);
g.drawImage(pi,px,py,this);
g.drawImage(tama,tx+24,ty,this);
}
public void action(){
Dimension d = getSize();
if(key[0] == 1){
py -=4;
if(py < 0){
py = 0;
}
}
if(key[1] == 1){
py +=4;
if(py > d.height){
py = d.height;
}
}
if(key[2] == 1){
px -=4;
if(px < 0){
px = 0;
}
}
if(key[3] == 1){
px +=4;
if(px > d.width){
px = d.width;
}
}
if(ty==-100){
if(key[4] == 1){
tx=px;
ty=py;
}}
if(ty>0){
ty-=5;
}
if(ty<1){
ty=-100;
}
}
public void keyTyped(KeyEvent e){
}
public void keyPressed(KeyEvent e){
int keyn;
keyn=e.getKeyCode();
switch(keyn){
case KeyEvent.VK_UP:
key[0]=1;
break;
case KeyEvent.VK_DOWN:
key[1] =1;
break;
case KeyEvent.VK_LEFT:
key[2] =1;
break;
case KeyEvent.VK_RIGHT:
key[3] =1;
break;
case KeyEvent.VK_SPACE:
key[4]=1;
break;
}
}
public void keyReleased(KeyEvent e){
int keyn;
keyn=e.getKeyCode();
switch(keyn){
case KeyEvent.VK_UP:
key[0] =0;
break;
case KeyEvent.VK_DOWN:
key[1] =0;
break;
case KeyEvent.VK_LEFT:
key[2] =0;
break;
case KeyEvent.VK_RIGHT:
key[3] =0;
break;
case KeyEvent.VK_SPACE:
key[4] =0;
break;
}
}
}
class Ada extends WindowAdapter
{
public void windowClosing(WindowEvent e){
System.exit(0);
}
}
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