java实现Flappy Bird游戏源代码

/*

2017/7/23

*/

import java.awt.graphics;

//import java.util.timer;

import java.awt.event.actionevent;

import java.awt.event.actionlistener;

import java.awt.event.mouselistener;

import java.awt.event.mouseevent;

import java.awt.event.keylistener;

import java.awt.event.keyevent;

import java.awt.rectangle;

import java.awt.*;

import java.util.*;

import javax.swing.jframe;

import javax.swing.timer;

import javax.swing.*;

import javax.swing.jpanel;

class renderer extends jpanel

{

  private static final long serialversionuid = 1l;

  protected void paintcomponent(graphics g)

  {

  super .paintcomponent(g);

  flappybird.flappybird.repaint(g);

  }

}

public class flappybird implements actionlistener, mouselistener, keylistener

{

  public static flappybird flappybird;

  public final int width = 900 , height = 800 ;

  public renderer renderer;

  public rectangle bird;

  public arraylist<rectangle> columns;

  public int ticks, ymotion, score;

  public boolean gameover, started;

  public random rand;

  public flappybird()

  {

  jframe jframe = new jframe();

  timer timer = new timer( 20 , this );

  renderer = new renderer();

  rand = new random();

  jframe.add(renderer);

  jframe.settitle( "flappy bird" );

  jframe.setdefaultcloseoperation(jframe.exit_on_close);

  jframe.setsize(width,height);

  jframe.addmouselistener( this );

  jframe.addkeylistener( this );

  jframe.setresizable( false );

  jframe.setvisible( true );

  bird = new rectangle(width / 2 - 10 , height / 2 - 10 , 20 , 20 );

  columns = new arraylist<rectangle>();

  addcolumn( true );

  addcolumn( true );

  addcolumn( true );

  addcolumn( true );

  timer.start();

  }

  public void addcolumn( boolean start)

  {

  int space = 300 ;

  int width = 100 ;

  int height = 50 + rand.nextint( 300 );

  if (start)

  {

  columns.add( new rectangle(width + width + columns.size() * 300 , height - height - 120 , width, height));

  columns.add( new rectangle(width + width + (columns.size()- 1 )* 300 , 0 , width, height - height - space));

  }

  else

  {

  columns.add( new rectangle(columns.get(columns.size() - 1 ).x + 600 , height - height - 120 , width, height));

  columns.add( new rectangle(columns.get(columns.size() - 1 ).x , 0 , width, height - height - space));

  }

  }

  public void paintcolumn(graphics g, rectangle column)

  {

  g.setcolor(color.green.darker());

  g.fillrect(column.x, column.y, column.width, column.height);

  }

  public void jump()

  {

  if (gameover)

  {

  bird = new rectangle(width / 2 - 10 , height / 2 - 10 , 20 , 20 );

  columns.clear();

  ymotion = 0 ;

  score = 0 ;

  addcolumn( true );

  addcolumn( true );

  addcolumn( true );

  addcolumn( true );

  gameover = false ;

  }

  if (!started)

  {

  started = true ;

  }

  else if (!gameover)

  {

  if (ymotion > 0 )

  {

  ymotion = 0 ;

  }

  ymotion -= 10 ;

  }

  }

  public void actionperformed(actionevent e)

  {

  int speed = 10 ;

  ticks++;

  if (started )

  {

  for ( int i = 0 ; i < columns.size(); i++)

  {

  rectangle column = columns.get(i);

  column.x -= speed;

  }

  if (ticks % 2 == 0 && ymotion < 15 )

  {

  ymotion += 2 ;

  }

  for ( int i = 0 ; i < columns.size(); i++)

  {

  rectangle column = columns.get(i);

  if (column.x + column.width < 0 )

  {

   columns.remove(column);

   if (column.y == 0 )

   {

   addcolumn( false );

   }

  }

  }

  bird.y += ymotion;

  for (rectangle column : columns)

  {

  if (bird.x + bird.width / 2 > column.x + column.width / 2 - 5

  && bird.x + bird.width / 2 < column.x + column.width / 2 + 5

  && column.y == 0 )

  {

   score++;

  }

  if (column.intersects(bird))

  {

   gameover = true ;

   if (bird.x <= column.x)

   {

   bird.x = column.x - bird.width;

   }

   else

   {

   if (column.y != 0 )

   {

   bird.y = column.y - bird.height;

   }

   else if (bird.y < column.height)

   {

   bird.y = column.height;

   }

   }

  }

  }

  if (bird.y > height - 120 || bird.y < 0 )

  {

  gameover = true ;

  }

  if (bird.y + ymotion >= height - 120 ) //(gameover)

  {

  bird.y = height - 120 - bird.height;

  }

  }

  renderer.repaint();

  }

  public void repaint(graphics g)

  {

  //system.out.println("hello");

  g.setcolor(color.cyan);

  g.fillrect( 0 , 0 ,width,height);

  g.setcolor(color.orange);

  g.fillrect( 0 , height - 120 , width, 150 );

  g.setcolor(color.green);

  g.fillrect( 0 , height - 120 , width, 20 );

  g.setcolor(color.red);

  g.fillrect(bird.x, bird.y, bird.width, bird.height);

  for ( rectangle column : columns )

  {

  paintcolumn(g,column);

  }

  g.setcolor(color.white);

  g.setfont( new font( "arial" , 1 , 70 ));

  if (!started)

  {

  g.drawstring( "click to start!" , 90 ,height / 2 - 50 );

  }

  if (gameover)

  {

  g.drawstring( "game over! you suck!" , 40 ,height / 2 - 50 );

  }

  if (!gameover && started)

  {

  g.drawstring(string.valueof(score), width / 2 , 100 );

  }

  }

  public static void main(string[]args)

  {

  flappybird = new flappybird();

  }

  public void mouseclicked(mouseevent e)

  {

  jump();

  }

  public void mousepressed(mouseevent e){}

  public void mousereleased(mouseevent e){}

  public void mouseentered(mouseevent e){}

  public void mouseexited(mouseevent e){}

  public void keypressed(keyevent e){}

  public void keytyped(keyevent e){}

  public void keyreleased(keyevent e)

  {

  if (e.getkeycode() == keyevent.vk_space)

  {

  jump();

  }

  }

}