lazy_flora 2015-12-06 10:00 采纳率: 0%
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java中的setBounds参数改变了没有什么变化

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import javax.imageio.ImageIO;
import java.awt.Image;
class SFish1 extends JFrame
{
JPanel panel = new JPanel();
Fish c;

public SFish1()
{
add(panel);
panel.setLayout(null);
c=new Fish(panel);
panel.add(c);
c.setBounds(100,200,150,100);
this.setTitle("副鱼");
this.setBounds(0,0,1500, 1000);
this.setVisible(true);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new SFish();}
}

class Fish extends Canvas implements ActionListener {
ImageIcon imageSFish = new ImageIcon("D:/java游戏编程/Fish/Fish/src/frame/fish.png");
Image imageSFish4= imageSFish.getImage();
public void paint(Graphics g)
  {
      super.paint(g);
      g.drawImage(imageSFish4,0,0,150,100,null);
  }
 // c.prepareImage(imageSFish4,ImageObserver observer);

private int TOP = 0; 
private int BOTTOM; 
private int LEFT = 0; 
private int RIGHT; 
private int xSpeed = 2; 
private int ySpeed = 1; 
Timer t = new Timer(1, this); 
JPanel panel;

public void actionPerformed(ActionEvent e) { // 定义事件的行为
RIGHT = panel.getWidth();
BOTTOM = panel.getHeight();
Point currentPoint = this.getLocation(); // 获得当前的坐标
double x = currentPoint.getX();
double y = currentPoint.getY();
x = x + xSpeed;
y = y + ySpeed;
if ((x ) > RIGHT +10000|| x < 0) {
 xSpeed = 0;ySpeed = 0;
}
if (y>=350)
{
    ySpeed=-ySpeed;
}
if ((y ) > BOTTOM+10000) {
 ySpeed = 0;xSpeed = 0;
}
currentPoint.setLocation(x, y);
this.setLocation(currentPoint);

}
// 构造函数一:参数为要添加的面板
public Fish(JPanel panel) {
this.panel = panel;
/*ImageIcon imageSFish = new ImageIcon("D:/java游戏编程/Fish/Fish/src/frame/fish.png");
Image immageSFish4= imageSFish.getImage();*/
t.start();
}
}

为什么我设置了第一个c.setBounds()的参数以后鱼出来的位置没有变化呢?哪位大神指点一下、φ(≧ω≦*)♪

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1条回答 默认 最新

  • 墨笙弘一 Java领域优质创作者 2015-12-06 12:15
    关注

    说明变化不大 给的值差别极大一些 再看看是否有变化

    评论

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