java多功能选择器(5)

for(int i=0;i<60;i++) { int

xStart=(int)(xCenter+0.95*clockRadius*Math.sin(Math.PI/30*i)); int

yStart=(int)(yCenter-0.95*clockRadius*Math.cos(Math.PI/30*i)); int

xEnd=(int)(xCenter+clockRadius*Math.sin(Math.PI/30*i)); int

yEnd=(int)(yCenter-clockRadius*Math.cos(Math.PI/30*i));

g.setColor(Color.black);

g.drawLine(xStart,yStart,xEnd,yEnd); }

int sLength=(int)(clockRadius*0.8); int

xSecond=(int)(xCenter+sLength*Math.sin(second*(2*Math.PI/60)));

int

ySecond=(int)(yCenter-sLength*Math.cos(second*(2*Math.PI/60)));

g.setColor(Color.red);

g.drawLine(xCenter,yCenter,xSecond,ySecond); int mLength = (int)(clockRadius * 0.60);

int xMinute = (int)(xCenter + mLength *Math.sin(minute * (2 * Math.PI / 60)));

int yMinute = (int)(yCenter - mLength *Math.cos(minute * (2 * Math.PI / 60)));

g.setColor(Color.blue);

g.drawLine(xCenter, yCenter, xMinute, yMinute); int hLength = (int)(clockRadius * 0.45);

int xHour = (int)(xCenter + hLength *Math.sin((hour % 12 + minute / 60.0) * (2 * Math.PI / 12)));

int yHour = (int)(yCenter - hLength *Math.cos((hour % 12 + minute / 60.0) * (2 * Math.PI / 12)));

g.setColor(Color.green);

g.drawLine(xCenter, yCenter, xHour, yHour); g.setColor(Color.blue);

g.setFont(new Font(\ g.drawString(hour+\,getHeight()-10); }

public void setCurrentTime() {

Calendar calendar=new GregorianCalendar();

this.hour=calendar.get(Calendar.HOUR_OF_DAY); this.minute=calendar.get(Calendar.MINUTE); this.second=calendar.get(Calendar.SECOND); }

public Dimension getPreferredSize() {

return new Dimension(300,300); } }

//KeyListenerDemo类 import java.awt.*;

import java.awt.event.*; import javax.swing.*;

public class KeyListenerDemo extends JFrame implements KeyListener {

Image playerImage[]=new Image[4]; Image player; Toolkit tool;

int x=200,y=200;

public KeyListenerDemo() {

super(\ tool=getToolkit();

playerImage[0]=tool.getImage(\ playerImage[1]=tool.getImage(\ playerImage[2]=tool.getImage(\ playerImage[3]=tool.getImage(\ player=playerImage[0]; addKeyListener(this); this.setSize(600,600); this.setVisible(true); }

public void paint(Graphics g) {

super.paint(g);

g.setColor(Color.WHITE); g.fillRect(0,0,650,650);

g.drawImage(player,x,y,150,150,this); }

public void keyPressed(KeyEvent e) {

switch (e.getKeyCode()) {

case KeyEvent.VK_UP: player=playerImage[0]; if(y-32<0) break; else y-=10; repaint(); break;

case KeyEvent.VK_DOWN: player=playerImage[1]; if(y+48>400) break; else y+=10; repaint(); break;

case KeyEvent.VK_LEFT:

player=playerImage[2]; if(x-2<0) break; else x-=10; repaint(); break;

case KeyEvent.VK_RIGHT: player=playerImage[3]; if(x+48>400) break; else x+=10; repaint();

break; } }

public void keyTyped(KeyEvent e){} ; public void keyReleased(KeyEvent e){}; }

// AnimationDemo类 import javax.swing.*; import java.awt.event.*; import java.awt.*;

public class AnimationDemo extends JFrame { public AnimationDemo(){

ImageIcon imageIcon =new ImageIcon(\国旗.jpg\ Image image =imageIcon.getImage(); add(new MovingImagePanel(image)); }

static class MovingImagePanel extends JPanel{ ImageIcon imageIcon =new ImageIcon(); Image image =imageIcon.getImage(); private int xCoordinate=0; private int yCoordinate=500;

public MovingImagePanel(Image image){

this.image=image; }

public void paintComponent(Graphics g){ super.paintComponent(g);

ImageIcon imageIcon =new ImageIcon(\罪人.gif\ Image image2 =imageIcon.getImage();

g.drawImage(image2,xCoordinate+380,600-yCoordinate,200,160,this);

g.setColor(Color.GREEN);

g.setFont(new Font(\华文行楷\ g.drawString(\打倒小日本\ if(image!=null) {

if(yCoordinate<-150){ yCoordinate=610; }

yCoordinate-=1;

g.drawImage(image,xCoordinate,yCoordinate,210,180,this); if(yCoordinate<580&&yCoordinate>500) {

g.setColor(Color.RED); g.setFont(new Font(\方正舒体\

g.drawString(\中国万岁\ }

if(yCoordinate<430&&yCoordinate>340) {

g.setColor(Color.BLUE); g.setFont(new Font(\华文彩云\

g.drawString(\中国万岁\

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