在我开始知道这一点之前:我对 Java 和编程非常陌生。我如何正确地将“grass.jpg”绘制到屏幕上?
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.ImageIcon;
import java.util.Random;
import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
public class Game extends Canvas {
private static int Height = 300, Width = 600; //25x50
private Random generator = new Random();
private String[][] TerrainList = new String[12][12];
public void GameSetup() {
JFrame container = new JFrame("CARSSémon");
// get hold the content of the frame and set up the resolution of the game
JPanel panel = (JPanel) container.getContentPane();
panel.setPreferredSize(new Dimension(Width,Height));
//panel.setLayout(null);
//setBounds(0,0,800,600);
//panel.add(this);
// finally make the window visible
container.pack();
container.setResizable(false);
container.setVisible(true);
container.setLocationRelativeTo(null); //Centers screen
container.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
PrepareTerrain();
PreparePlayer();
}
public void PrepareTerrain() {
for (int a=0; a<=11; a++){
for (int b=0; b<=11; b++){
TerrainList[a][b]="grass"; //Sets defult terrain of grass
}
}
int BushLocationx = generator.nextInt(12);
int BushLocationy = generator.nextInt(12);
BushCheck(BushLocationx,BushLocationy); //Checks to see if it can make bushs at the location
}
@Override
public void paint(Graphics g) {
super.paint(g);
// Draw an Image object
Image grass = new ImageIcon("grass.jpg").getImage();
Image bushes = Toolkit.getDefaultToolkit().getImage("bushes.jpg");
g.setColor(Color.BLACK);
g.drawImage(grass, 0, 0, null);
g.drawImage(grass, 0, 50, null);
g.drawImage(grass, 50, 0, null);
g.drawImage(grass, 200, 200, null);
}
public void DrawTerrain() {
for (int r=0; r<=11; r++){
for (int c=0; c<=11; c++){
}
}
}
private void BushCheck(int x, int y){
}
public void PreparePlayer() {
}
public static void main(String[] args) {
Game G =new Game();
G.GameSetup();
}
}
现在我显然意识到这个程序基本上没有实现,但我想如果我什至不能显示任何图片,开始实现的意义何在?
我的问题是我无法弄清楚为什么 .jpgs 没有被显示。创建andpaint();
时不应该调用该方法吗?代码非常混乱,但我认为最好包含所有代码。JFrame
JPanel
万一这很重要,这最终将成为一款类似于 Pokemon 的游戏,其中运行窗口由许多 16x16 像素的正方形组成,玩家可以在上面移动。在开始之前,我想尝试在随机位置输出一些图像。我一直在阅读类似的问题并查看示例,我刚刚阅读了一段关于图形的 Java 文本,但只能找到有关加载图像的信息,而不是通过绘画显示的信息。如果有人可以通过正确的方式指出我,将不胜感激。(我意识到我很可能完全需要重新启动,并且正在做完全错误的事情,但你能做的任何事情都会有所帮助。)