java错误中的键事件
为什么会出现这个错误,即bruh.setLocation(bruh.x+2,bruh.y);错误是x和y变量。我将如何解决此问题java错误中的键事件,java,image,swing,paintcomponent,keylistener,Java,Image,Swing,Paintcomponent,Keylistener,为什么会出现这个错误,即bruh.setLocation(bruh.x+2,bruh.y);错误是x和y变量。我将如何解决此问题 public void paintComponent(Graphics g){ super.paintComponent(g); ImageIcon ii = new ImageIcon(this.getClass().getResource("bruh.png")); bruh = ii.getImage();
public void paintComponent(Graphics g){
super.paintComponent(g);
ImageIcon ii = new ImageIcon(this.getClass().getResource("bruh.png"));
bruh = ii.getImage();
Graphics2D g2d = (Graphics2D)g;
g2d.drawImage(bruh, x, y, this);
}
public void keyTyped(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_RIGHT)
{
bruh.setLocation(bruh.x + 2, bruh.y);
}
}
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_LEFT)
{
}
}
public void keyReleased(KeyEvent e) {
}
}
错误是,
bruh
是一个图像,并且没有设置位置方法是否有错误的完整堆栈跟踪?我需要它才能帮你。顺便说一下,Image
也缺少x
和y
字段。