笔记04
会动的乌龟：（java代码）
package New03;
import javax.swing.JFrame;
/**
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JFrame----窗体—相框
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JPanel----画布—相片
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导包：
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1.手动导包 import……
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2.自动导包 ctrl+shift+o
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3.点击红色的叉号
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*/
public class TurtlePro {public static void main(String[] args) {
// TODO Auto-generated method stub
//1.创建一个窗体
JFrame frame = new JFrame();//2.给窗体添加标题 frame.setTitle("杰尼龟"); //3.给窗体添加大小 frame.setSize(1400,800); //4.窗体剧中 frame.setLocationRelativeTo(null); //类名.静态常量 减少内存的占用 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); TJpanel tj = new TJpanel(); frame.addMouseListener(tj); tj.addMouseListener(tj); frame.addKeyListener(tj); tj.addKeyListener(tj); //添加画布到画板上 frame.add(tj); //5.显示窗体 frame.setVisible(true);}
}
package New03;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JPanel;
public class TJpanel extends JPanel implements KeyListener,MouseListener,Runnable{
//Grapgics g
int x = 300;
int y = 200;
//脚的位置
int k1 = 300,t1 = 200;
int k2 = 300,t2 = 200;
int k3 = 300,t3 = 200;
int k4 = 300,t4 = 200;
//加水的波纹
int[] a = new int[300];//300个x坐标
int[] b = new int[300];//300个y坐标
//定义一个方向position，当position==0的时候乌龟的左上脚和右下脚同时向前移动
int position = 0;
//构造方法：方法名和类同名；无任何返回值类型；无参构造
public TJpanel(){
//随机产生位置
for(int i = 0;i < a.length; i++){
a[i] = (int)(Math.random() * 1400);
b[i] = (int)(Math.random() * 800);
}
Thread t = new Thread(this);
t.start();
}
public void paint(Graphics g) {
// TODO Auto-generated method stub
super.paint(g);
this.setBackground(Color.GRAY);
//给画笔设置颜色
/*g.setColor(Color.cyan);
//画矩形
g.drawRect(30, 30, 160, 180);
//实心
g.setColor(Color.pink);
g.fillRect(100, 200, 50, 100);
g.setColor(Color.yellow);
//画圆
g.fillOval(300, 300, 100, 150);
g.setColor(Color.pink);
g.drawOval(500, 500, 100, 100);
g.drawOval(570, 500, 100, 100);
g.drawOval(640, 500, 100, 100);
g.drawOval(710, 500, 100, 100);
//直线
g.drawLine(132, 456, 45, 45);*/
//绿龟
//画波纹
g.setColor(Color.blue);
for(int i = 0;i < a.length;i++){
g.drawString("~~~~~~~ ", a[i], b[i]);
}
//加头
g.setColor(Color.cyan);
g.fillOval(x, y, 70, 100);
//加眼睛
g.setColor(Color.black);
g.fillOval(x+30, y+30,10, 15);
g.fillOval(x+50, y+30,10, 15);
//加舌头
g.setColor(Color.red);
g.fillOval(x+30, y, 8, 6);
//加龟壳
g.setColor(Color.green);
g.fillOval(x-66, y+66, 200 ,230 );
//画脚
g.setColor(Color.cyan);
g.fillOval(k1-85, t1+75, 60, 70);
g.setColor(Color.cyan);
g.fillOval(k2+85, t2+75, 60, 70);
g.setColor(Color.cyan);
g.fillOval(k3-85, t3+235, 60, 70);
g.setColor(Color.cyan);
g.fillOval(k4+85, t4+235, 60, 70);
//加文字
g.setColor(Color.black);
//利用font创建字体
Font font =new Font(Font.DIALOG,Font.BOLD,30);
g.setFont(font);
g.drawString("韩敏", x-20, y+180);
}
@Override
public void run() {
// TODO Auto-generated method stub
//System.out.println("线程启动");
while(true){
for (int i = 0; i < a.length; i++) {
a[i]--;
if (a[i]<0) {
a[i] = 1400;
}
}
try {
Thread.sleep(10);
} catch (Exception e) {
// TODO: handle exception
}
repaint();//加速的
}
}
@Override
public void keyTyped(KeyEvent e) {
// TODO Auto-generated method stub
}
@Override
public void keyPressed(KeyEvent e) {
// TODO Auto-generated method stub
//System.out.println("点击了一下");
if(e.getKeyCode() == KeyEvent.VK_UP){
System.out.println("点击了上方键");
y = y-10;
if(position == 0){
t1 = t1 - 20;
t4 = t4 - 20;
}
if(position == 1){
t2 = t2 - 20;
t3 = t3 - 20;
}
if(t1=t2){
if(x !=k1){
x = k1 =k2 =k3 =k4;
}position =0;
}
}
if(e.getKeyCode() == KeyEvent.VK_DOWN){
System.out.println("点击了下方键");
y = y+10;
if(position == 0){
t1 = t1 - 20;
t4 = t4 - 20;
}
if(position == 1){
t2 = t2 - 20;
t3 = t3 - 20;
}
if(t1>t2){
if(x !=k1){
x = k1 =k2 =k3 =k4;
}position =1;
}
if(t1<=t2){
if(x !=k1){
x = k1 =k2 =k3 =k4;
}position =0;
}
}
if(e.getKeyCode() == KeyEvent.VK_LEFT){
System.out.println("点击了左方键");
x = x-10;
}
if(e.getKeyCode() == KeyEvent.VK_RIGHT){
System.out.println("点击了右方键");
x = x+10;
}
repaint();
}
@Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseClicked(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mousePressed(MouseEvent e) {
// TODO Auto-generated method stub
x = e.getX();
y = e.getY();
k1 =e.getX();
t1 =e.getY();
k2 =e.getX();
t2 =e.getY();
k3 =e.getX();
t3 =e.getY();
k 4 =e.getX();
t4 =e.getY();
repaint();
}
@Override
public void mouseReleased(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseEntered(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseExited(MouseEvent e) {
// TODO Auto-generated method stub
}
// public static void main(String[] args) {
// // TODO Auto-generated method stub
//
// }
}