编程小白学逻辑-实现王者荣耀轮盘中奖功能

Posted 2021-10-02 长安紫薯

功能介绍

实现王者荣耀轮盘中奖功能

功能

功能：
1、窗口
2、画背景、画选框
3、按键
4、按任意键移动框、转弯移动
5、状态控制自动移动，按键启停
6、移动n次后停止，随机数，随机数转动
7、改变执行速度（慢、快、慢）
8、框最终如果移动到“水晶”上，界面显示中奖信息

界面原型

资源

两张图片

背景图 0.png

选中框 1.png

实现代码

Panel.java

package game.prize;

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;

/*
 * 1、解决刷新字体闪现问题
 * 2、键盘和鼠标额外方法就无需在主类中展现问题，如只用到keyPressed事件，其它事件无需要
 */

public class Panel  extends JPanel implements KeyListener,MouseListener {
	GoPrize gp = new GoPrize();

	//反复执行
	 public void paint(Graphics g) {
	     this.gp.paint(g);
	     this.repaint();			//重新绘制
	     //System.out.println(System.currentTimeMillis());
	 }

	@Override
	public void keyTyped(KeyEvent e) {
	}

	@Override
	public void keyPressed(KeyEvent e) {
		this.gp.keyPressed(e);
	}

	@Override
	public void keyReleased(KeyEvent e) {
	}

	@Override
	public void mouseClicked(MouseEvent e) {
		this.gp.mouseClicked(e);
	}

	@Override
	public void mousePressed(MouseEvent e) {
	}

	@Override
	public void mouseReleased(MouseEvent e) {
	}

	@Override
	public void mouseEntered(MouseEvent e) {
	}

	@Override
	public void mouseExited(MouseEvent e) {
	}
}

GoPrize.java

package game.prize;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.KeyEvent;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Random;

import javax.imageio.ImageIO;
import javax.swing.JFrame;

public class GoPrize{
	//框的起始坐标
	int x = 352;
	int y = 90 ;
	
	//控制转动标识
	boolean state = true;		//false暂停，true转动
	
	//控制旋转次数
	int count = 0;
	//int limit = 40;		//最大执行移动次数，一圈14，30固定值位置就能猜出来了
	//int limit = new Random().nextInt(50) +1;	//[1, 51) 范围1~50的随机值
	int limit = new Random().nextInt(50) +20;		//[20, 70) 范围1~70的随机值

	//拐点
	int kneePointLeft = x - 187;
	int kneePointRight =  x + 187+187+187;
	int kneePointTop = y;
	int kneePointBottom = y +125+125+125;	
	
	public static void main(String[] args) {
		GoPrize gp = new GoPrize();
		gp.paintWindow();
	}

	//画界面
	public void paintWindow() {
		JFrame f = new JFrame();
		//frame默认会创建一个JPanel，但不新创建，在repaint重新刷新页面更新内容时写入的字体会发生晃动
		Panel p = new Panel();
	    f.add(p);
	    
	    f.setTitle( "Game Prize");
	    f.setSize(1120, 630);	//设置窗口大小
	    f.setLocationRelativeTo(null); //居中
	    f.setDefaultCloseOperation(JFrame. EXIT_ON_CLOSE);  //关闭按钮
	    f.setVisible(true);		//展示界面
	    
	    f.addKeyListener(p);
	    f.addMouseListener(p);
	}
	
	public void keyPressed(KeyEvent e) {
		if(e.getKeyChar()=='x') {
			System.exit(0);  //当用户按下x键，直接结束程序
		}
		//状态切换
		state = !state;
		count = 0;		//重头开始计数
	}
	
	public void mouseClicked(MouseEvent e) {
		//状态切换
		state = !state;
	}
	
	//自动执行，进行画背景
	public void paint(Graphics g) {
		g.drawImage(read("images/0.png"), 0, 0, null);
		g.drawImage(read("images/1.png"), x, y, null);

		g.setFont(new Font("微软雅黑", Font.PLAIN, 20));	//设置字体、常规、大小
		g.setColor(Color.YELLOW);	//设置颜色
		g.drawString("52800", 800, 30); 	//写文字到界面上
		
		if(state) {
			//移动位置
			if( x!=kneePointRight && y==kneePointTop ) {
				x = x +187;
			}else if( x==kneePointRight && y!=kneePointBottom) {
				y = y +125;
			}else if( x!=kneePointLeft && y==kneePointBottom) {
				x = x -187;
			}else if( x==kneePointLeft && y!=kneePointTop) {
				y = y - 125;
			}
		}
		
		//根据不同区间，改变执行节奏
		if(count>0 && count<2) {
			sleep(100);
		}else if(limit-count<=2) {
			sleep(500);
		}else {
			sleep(30);
		}
		
		count++;	//移动次数+1
		if(count >= limit) {
			state = false;	//暂停
		}
		
		//当最后的框在荣耀水晶时，标识中奖
		if( x==kneePointLeft && y==kneePointTop && state==false) {
			g.setFont(new Font("微软雅黑", Font.PLAIN, 35));	//设置字体、常规、大小
			g.setColor(Color.WHITE);	//设置颜色
			g.drawString("恭喜获得丰厚奖金：荣耀水晶", 380, 360); 	//写文字到界面上
		}
	}
	
	//读取图片
	public BufferedImage read(String filename) {
		BufferedImage img = null;
		try {
			img = ImageIO.read(new File(filename));
		} catch (IOException e) {
			e.printStackTrace();
		}
		return img;
	}
	
	//延时
	public void sleep(int time) {
		try {
			Thread.sleep(time);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
	}
}