Java 图像显示问题
我目前正准备用java制作我的第一个游戏,我已经成功地制作了一个侧面滚动游戏,直到我想把地图(背景)改大一点。我开始遇到背景图像的奇怪问题。Java 图像显示问题,java,Java,我目前正准备用java制作我的第一个游戏,我已经成功地制作了一个侧面滚动游戏,直到我想把地图(背景)改大一点。我开始遇到背景图像的奇怪问题。 它在分辨率高达5250px x 5148px的情况下运行良好。 如果超过此值,图像将无法显示 我尝试过减小文件大小,但无论文件大小如何,超过此分辨率的图像仍然无法显示 我的游戏由三个文件组成 框架、兄弟和董事会,如下所示 Frame.java package OurGame; import javax.swing.*; public class Fra
它在分辨率高达5250px x 5148px的情况下运行良好。 如果超过此值,图像将无法显示 我尝试过减小文件大小,但无论文件大小如何,超过此分辨率的图像仍然无法显示 我的游戏由三个文件组成
框架、兄弟和董事会,如下所示 Frame.java
package OurGame;
import javax.swing.*;
public class Frame {
public static void main(String[] args)
{
JFrame frame = new JFrame("Game");
frame.add(new Board());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(500,500);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
package OurGame;
import java.awt.Image;
import java.awt.event.KeyEvent;
import javax.swing.ImageIcon;
public class Dude {
int x, dx, y, dy, nx2, ny2;
Image still;
public Dude()
{
ImageIcon i = new ImageIcon("/Users/Connor/Desktop/square.jpg");
still = i.getImage();
x = 250;
y = 250;
nx2 = 485;
ny2 = 485;
}
public void move()
{
x = x + dx;
y = y + dy;
nx2 = nx2 + dx;
ny2 = ny2 + dy;
}
public int getX()
{
return x;
}
public int getY()
{
return y;
}
public Image getImage()
{
return still;
}
public void keyPressed(KeyEvent e)
{
int key = e.getKeyCode();
if(key == KeyEvent.VK_A)
{
dx = -1;
}
if(key == KeyEvent.VK_D)
{
dx = 1;
}
if(key == KeyEvent.VK_W)
{
dy = -1;
}
if(key == KeyEvent.VK_S)
{
dy = 1;
}
}
public void keyReleased(KeyEvent e)
{
int key = e.getKeyCode();
if(key == KeyEvent.VK_A)
{
dx = 0;
}
if(key == KeyEvent.VK_D)
{
dx = 0;
}
if(key == KeyEvent.VK_W)
{
dy = 0;
}
if(key == KeyEvent.VK_S)
{
dy = 0;
}
}
}
package OurGame;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Board extends JPanel implements ActionListener{
private static final long serialVersionUID = 1L;
Dude p;
Image img;
Timer time;
public Board()
{
p = new Dude();
addKeyListener(new AL());
setFocusable(true);
ImageIcon i = new ImageIcon("/Users/Connor/Desktop/background.jpg");
img = i.getImage();
time = new Timer(5, this);
time.start();
}
public void actionPerformed(ActionEvent e)
{
p.move();
repaint();
}
public void paint(Graphics g)
{
super.paint(g);
Graphics2D g2d = (Graphics2D) g;
g2d.drawImage(img, 485-p.nx2, 485-p.ny2, null);
g2d.drawImage(p.getImage(), 200, 200, null);
}
private class AL extends KeyAdapter
{
public void keyReleased(KeyEvent e)
{
p.keyReleased(e);
}
public void keyPressed(KeyEvent e)
{
p.keyPressed(e);
}
}
}
Dude.java
package OurGame;
import javax.swing.*;
public class Frame {
public static void main(String[] args)
{
JFrame frame = new JFrame("Game");
frame.add(new Board());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(500,500);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
package OurGame;
import java.awt.Image;
import java.awt.event.KeyEvent;
import javax.swing.ImageIcon;
public class Dude {
int x, dx, y, dy, nx2, ny2;
Image still;
public Dude()
{
ImageIcon i = new ImageIcon("/Users/Connor/Desktop/square.jpg");
still = i.getImage();
x = 250;
y = 250;
nx2 = 485;
ny2 = 485;
}
public void move()
{
x = x + dx;
y = y + dy;
nx2 = nx2 + dx;
ny2 = ny2 + dy;
}
public int getX()
{
return x;
}
public int getY()
{
return y;
}
public Image getImage()
{
return still;
}
public void keyPressed(KeyEvent e)
{
int key = e.getKeyCode();
if(key == KeyEvent.VK_A)
{
dx = -1;
}
if(key == KeyEvent.VK_D)
{
dx = 1;
}
if(key == KeyEvent.VK_W)
{
dy = -1;
}
if(key == KeyEvent.VK_S)
{
dy = 1;
}
}
public void keyReleased(KeyEvent e)
{
int key = e.getKeyCode();
if(key == KeyEvent.VK_A)
{
dx = 0;
}
if(key == KeyEvent.VK_D)
{
dx = 0;
}
if(key == KeyEvent.VK_W)
{
dy = 0;
}
if(key == KeyEvent.VK_S)
{
dy = 0;
}
}
}
package OurGame;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Board extends JPanel implements ActionListener{
private static final long serialVersionUID = 1L;
Dude p;
Image img;
Timer time;
public Board()
{
p = new Dude();
addKeyListener(new AL());
setFocusable(true);
ImageIcon i = new ImageIcon("/Users/Connor/Desktop/background.jpg");
img = i.getImage();
time = new Timer(5, this);
time.start();
}
public void actionPerformed(ActionEvent e)
{
p.move();
repaint();
}
public void paint(Graphics g)
{
super.paint(g);
Graphics2D g2d = (Graphics2D) g;
g2d.drawImage(img, 485-p.nx2, 485-p.ny2, null);
g2d.drawImage(p.getImage(), 200, 200, null);
}
private class AL extends KeyAdapter
{
public void keyReleased(KeyEvent e)
{
p.keyReleased(e);
}
public void keyPressed(KeyEvent e)
{
p.keyPressed(e);
}
}
}
Board.java
package OurGame;
import javax.swing.*;
public class Frame {
public static void main(String[] args)
{
JFrame frame = new JFrame("Game");
frame.add(new Board());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(500,500);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
package OurGame;
import java.awt.Image;
import java.awt.event.KeyEvent;
import javax.swing.ImageIcon;
public class Dude {
int x, dx, y, dy, nx2, ny2;
Image still;
public Dude()
{
ImageIcon i = new ImageIcon("/Users/Connor/Desktop/square.jpg");
still = i.getImage();
x = 250;
y = 250;
nx2 = 485;
ny2 = 485;
}
public void move()
{
x = x + dx;
y = y + dy;
nx2 = nx2 + dx;
ny2 = ny2 + dy;
}
public int getX()
{
return x;
}
public int getY()
{
return y;
}
public Image getImage()
{
return still;
}
public void keyPressed(KeyEvent e)
{
int key = e.getKeyCode();
if(key == KeyEvent.VK_A)
{
dx = -1;
}
if(key == KeyEvent.VK_D)
{
dx = 1;
}
if(key == KeyEvent.VK_W)
{
dy = -1;
}
if(key == KeyEvent.VK_S)
{
dy = 1;
}
}
public void keyReleased(KeyEvent e)
{
int key = e.getKeyCode();
if(key == KeyEvent.VK_A)
{
dx = 0;
}
if(key == KeyEvent.VK_D)
{
dx = 0;
}
if(key == KeyEvent.VK_W)
{
dy = 0;
}
if(key == KeyEvent.VK_S)
{
dy = 0;
}
}
}
package OurGame;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Board extends JPanel implements ActionListener{
private static final long serialVersionUID = 1L;
Dude p;
Image img;
Timer time;
public Board()
{
p = new Dude();
addKeyListener(new AL());
setFocusable(true);
ImageIcon i = new ImageIcon("/Users/Connor/Desktop/background.jpg");
img = i.getImage();
time = new Timer(5, this);
time.start();
}
public void actionPerformed(ActionEvent e)
{
p.move();
repaint();
}
public void paint(Graphics g)
{
super.paint(g);
Graphics2D g2d = (Graphics2D) g;
g2d.drawImage(img, 485-p.nx2, 485-p.ny2, null);
g2d.drawImage(p.getImage(), 200, 200, null);
}
private class AL extends KeyAdapter
{
public void keyReleased(KeyEvent e)
{
p.keyReleased(e);
}
public void keyPressed(KeyEvent e)
{
p.keyPressed(e);
}
}
}
在我阅读其余部分之前,这不是javascript.1。尝试使用ImageIO将图像读入BuffereImage。2.使用JPanel作为绘制图像方法中的图像观察者;g2d.绘图图像(img,485-p.nx2,485-p.ny2,本);