JAVA小游戏“飞翔的小鸟”

发布时间:2023年12月20日

第一步是创建项目?项目名自拟

第二步创建个包名?来规范class

再创建一个包? 来存储照片

如下:

代码如下:

 
  1. ?
    package game;
    import java.awt.*;
    import javax.swing.*;
    import javax.imageio.ImageIO;
     
    public class Bird {
     
    	Image image;
    	int x,y;
    	int width,height;
    	int size;
    	
    	double g;
    	
    	double t;
    	
    	double v0;
    	
    	double speed;
    	
    	double s;
    	
    	double alpha;
    	
    	//?
    	Image[] images;
    	
    	int index;
    	
    	public Bird() throws Exception
    	{
    		image=new ImageIcon("source/0.png").getImage();
    		width = image.getWidth(null);
    		height = image.getHeight(null);
    		x=132;
    		y=280;
    		size=40;
    	
    		g=4;
    		v0=20;
    		t=0.25;
    		speed=v0;
    		s=0;
    		
    		alpha=0;
    		
    		
    		images=new Image[8];
    		
    		for(int i=0;i<8;i++)
    		{
    			images[i]=new ImageIcon("source/"+i+".png").getImage();
    		}
    		index=0;
    		
    	}
    	
    	
    	public void fly()
    	{
    		index++;
    		image=images[(index/12)%8];
    	}
    	
    	
    	public void step()
    	{
    		double v0=speed;
    		
    		s=v0*t+g*t*t/2;
    		
    		y=y-(int)s;
    		
    		double v=v0-g*t;
    		speed =v;
    		
    		alpha=Math.atan(s/8);
    		
    	}
    	
    	
    	public void flappy()
    	{
    		
    		speed=v0;
    	}
    	
    	
    	public boolean hit(Ground ground)
    	{
    		boolean hit =y+size/2>ground.y;
    		if(hit)
    		{
    			y=ground.y-size/2;
    			alpha=Math.PI/2;
    		}
    		return hit;
    	}
    	
    	
    	public boolean hit(Column column)
    	{
    		
    		if(x>column.x-column.width/2-size/2&&x<column.x+column.width/2+size/2)
    		{
    			if(y>column.y-column.gap/2+size/2&&y<column.y+column.gap/2-size/2) return false;
    			return true;
    		}
    		return false;
    	}
    }
    package game;
     
    import javax.imageio.ImageIO;
    import java.util.*;
     
    import javax.swing.*;
     
    import java.awt.Graphics;
    import java.awt.event.MouseAdapter;
    import java.awt.event.*;
    import java.awt.image.BufferedImage;
    import javax.imageio.*;
    import java.awt.*;
     
    public class BirdGame extends JPanel {
    	
    	
    	Image background;
    	Image startImage;
    	Image overImage;
    	Ground ground;//����
    	Column column1,column2;
    	Bird bird;
    	int score;
    	int state;//??
    	//??����
    	public static final int START=0;
    	public static final int RUNNING=1;
    	public static final int GAME_OVER=2;
    	
    	public BirdGame() throws Exception
    	{
    		background = new ImageIcon("./source/bg.png").getImage();
    		startImage = new ImageIcon("./source/start.png").getImage();
    		overImage=new ImageIcon("./source/gameover.png").getImage();
    	//??
    		ground=new Ground();
    		column1=new Column(1);
    		column2=new Column(2);
    		bird=new Bird();
    		score=0;
    		state=0;
    	}
    	
    	public void paint(Graphics g)
    	{
     
    		g.drawImage(background, 0, 0,null);
    		
    		g.drawImage(ground.image, ground.x, ground.y, null);
    	
    		g.drawImage(column1.image,column1.x-column1.width/2,column1.y-column1.height/2,null);
    		g.drawImage(column2.image,column2.x-column2.width/2,column2.y-column2.height/2,null);
    	
    		Graphics2D g2=(Graphics2D) g;
    		g2.rotate(-bird.alpha,bird.x,bird.y);
    		g.drawImage(bird.image,bird.x-bird.width/2,bird.y-bird.height/2,null);
    		g2.rotate(bird.alpha,bird.x,bird.y);
    		
    		Font f=new Font(Font.SANS_SERIF,Font.BOLD,40);
    		g.setFont(f);
    		g.drawString(""+score, 40, 60);
    		g.setColor(Color.WHITE);
    		g.drawString(""+score,40-3, 60-3);
    		
    		switch(state)
    		{
    		case START:
    			g.drawImage(startImage, 0, 0, null);
    			break;
    		case GAME_OVER:
    			g.drawImage(overImage, 0, 0, null);
    			break;
    		}
    	}
    	
    	public void action() throws Exception
    	{
    		
    		MouseListener l=new MouseAdapter()
    		{
    			public void mousePressed(MouseEvent e)
    			{
    				try {
    					switch(state) {
    					case START:
    						//??
    						state=RUNNING;
    						break;
    					case RUNNING:
    						
    						bird.flappy();
    						break;
    					case GAME_OVER:
    						
    						column1=new Column(1);
    						column2=new Column(2);
    						bird=new Bird();
    						score=0;
    						state=START;
    						break;
    					}
    				}
    				catch (Exception ex)
    				{
    					ex.printStackTrace();
    				}
    			}
    			
    		};
    		addMouseListener(l);
    		while(true)
    		{
    			switch(state)
    			{
    			case START:
    				bird.fly();
    				ground.step();
    				break;
    			case RUNNING:
    				ground.step();
    				column1.step();
    				column2.step();
    				bird.fly();
    				bird.step();
     
    				score++;
    				//
    				if(bird.hit(ground)||bird.hit(column1)||bird.hit(column2))
    				{
    					state=GAME_OVER;
    				}
    				break;
    			}	
    			
    			Thread.sleep(1000/60);
    			repaint();
    		}
    	}
    	
    	
    	
    	public static void main(String[] args) throws Exception
    	{
    		
    		JFrame frame=new JFrame();
    		BirdGame game=new BirdGame();
    		frame.add(game);
    		frame.setSize(440,670);
    		frame.setLocationRelativeTo(null);
    		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    		frame.setVisible(true);
    		game.action();
    	}
    	
    }
    package game;
     
    import java.util.*;
    import java.awt.*;
     
    import javax.imageio.ImageIO;
    import javax.swing.*;
     
    public class Column {
     
    	Image image;
    	
    	int x,y;
    	int width,height;
    	
    	int gap;
    	
    	int distance;
    	Random random =new Random();
    	
    	
    	
    	public Column(int n) throws Exception
    	{
    		image=new ImageIcon("source/column.png").getImage();
    		width=image.getWidth(null);
    		height=image.getHeight(null);
    		gap=144;
    		distance=245;
    		x=550+(n-1)*distance;
    		y=random.nextInt(218)+132;
    	}
    	
    	public void step()
    	{
    		x-=4;
    		if(x<= -width/2)
    		{
    			x=distance*2-width/2;
    			y=random.nextInt(218);
    		}
    	}
    }
    package game;
     
    import java.util.*;
    import java.awt.*;
     
    import javax.imageio.ImageIO;
    import javax.swing.*;
     
    public class Column {
     
    	Image image;
    	
    	int x,y;
    	int width,height;
    	
    	int gap;
    	
    	int distance;
    	Random random =new Random();
    	
    	
    	
    	public Column(int n) throws Exception
    	{
    		image=new ImageIcon("source/column.png").getImage();
    		width=image.getWidth(null);
    		height=image.getHeight(null);
    		gap=144;
    		distance=245;
    		x=550+(n-1)*distance;
    		y=random.nextInt(218)+132;
    	}
    	
    	public void step()
    	{
    		x-=4;
    		if(x<= -width/2)
    		{
    			x=distance*2-width/2;
    			y=random.nextInt(218);
    		}
    	}
    }

文章来源:https://blog.csdn.net/LDK195403806/article/details/135086602
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