我在我的 GameFrame 中创建了两个矩形组件,但它们从不在同一个位置,尽管组件是使用相同的 X、Y 坐标构造的。有人知道怎么修这个东西吗?我还在顶部的绿色矩形上制作了一个 JLabel,但它从未出现过。感谢您的时间。
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class GameFrame extends JFrame
{
private SpellBarComponent bar;
private JPanel mainPanel = new JPanel();
private JPanel buttonPanel = new JPanel();
Color green = new Color(29, 180, 29);
Color red = new Color(255, 0, 0);
private RectangleComponent life;
private RectangleComponent death;
public GameFrame(char x)
{
setSize(1024, 768);
setTitle("Game");
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
createPanels(x);
buttonPanel.setLayout(new FlowLayout(FlowLayout.LEFT, 5, 5));
mainPanel.setLayout(new GridLayout(0, 2, 5, 5));
repaint();
getContentPane().add(mainPanel, BorderLayout.CENTER);
getContentPane().add(buttonPanel, BorderLayout.PAGE_END);
setExtendedState(getExtendedState() | JFrame.MAXIMIZED_BOTH);
setLocationByPlatform(true);
setVisible(true);
}
public RectangleComponent getLife()
{
return life;
}
private void createHealth()
{
life = new RectangleComponent(green, true);
death = new RectangleComponent(red, false);
}
private void createPanels(char x)
{
createBar(x);
createHealth();
mainPanel.add(buttonPanel);
mainPanel.add(life);
mainPanel.add(death);
buttonPanel.add(bar.getSpell1());
buttonPanel.add(bar.getSpell2());
buttonPanel.add(bar.getSpell3());
}
private void createBar(char x)
{
bar = new SpellBarComponent(x);
}
}
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.RoundRectangle2D;
import javax.swing.JComponent;
import javax.swing.JLabel;
public class RectangleComponent extends JComponent
{
private Color color;
private int width;
private int height;
private RoundRectangle2D roundedRectangle;
private int origWidth;
private JLabel label;
private boolean wantLabel;
public RectangleComponent(Color color, int width, int height, boolean wantLabel)
{
this.width = width;
this.height = height;
this.color = color;
origWidth = width;
this.wantLabel = wantLabel;
if(wantLabel)
{
label = new JLabel(this.width + "/" + origWidth);
label.setLabelFor(this);
}
}
public RectangleComponent(Color color, boolean wantLabel)
{
width = 125;
height = 18;
this.color = color;
origWidth = width;
this.wantLabel = wantLabel;
if(wantLabel)
{
label = new JLabel(this.width + "/" + origWidth);
label.setLabelFor(this);
}
}
public void paintComponent(Graphics g)
{
Graphics2D graphics2 = (Graphics2D) g;
roundedRectangle = new RoundRectangle2D.Float(10, 10, width, height, 10, 10);
graphics2.setPaint(color);
graphics2.fill(roundedRectangle);
graphics2.draw(roundedRectangle);
if(wantLabel)
label.setText(this.width + "/" + origWidth);
}
public Dimension getPreferredSize()
{
return (new Dimension(width, height));
}
public void subtractLife(int amount)
{
width -= amount;
if(width > 0)
{
roundedRectangle.setRoundRect(10, 10, width, height, 10, 10);
repaint();
}
else
width = 0;
}
public void addLife(int amount)
{
width += amount;
if(width < origWidth)
{
roundedRectangle.setRoundRect(10, 10, width, height, 10, 10);
repaint();
}
else width = origWidth;
}
}