FlappyBird—仅供娱乐

001

package

com.tarena.bird;

002

003

import

java.awt.Color;

004

import

java.awt.Font;

005

import

java.awt.Graphics;

006

import

java.awt.Graphics2D;

007

import

java.awt.RenderingHints;

008

import

java.awt.event.KeyAdapter;

009

import

java.awt.event.KeyEvent;

010

import

java.awt.event.MouseAdapter;

011

import

java.awt.event.MouseEvent;

012

import

java.awt.image.BufferedImage;

013

import

java.io.IOException;

014

015

import

javax.imageio.ImageIO;

016

import

javax.swing.JFrame;

017

import

javax.swing.JPanel;

018

019

public

class

World

extends

JPanel
{

020

021

Column
column1;

022

Column
column2;

023

Bird
bird;

024

Ground
ground;

025

BufferedImage
background;

026

BufferedImage
gameoverImg;

027

BufferedImage
startImg;

028

029

boolean

start;

030

int

score;

031

boolean

gameOver;

032

033

public

World()

throws

IOException
{

034

background
= ImageIO.read(getClass().getResource(

"bg.png"

));

035

gameoverImg
= ImageIO.read(getClass().getResource(

"gameover.png"

));

036

startImg
= ImageIO.read(getClass().getResource(

"start.png"

));

037

start();

038

}

039

public

void

start(){

040

try

{

041

start
=

false

;

042

gameOver
=

false

;

043

bird
=

new

Bird();

044

ground
=

new

Ground(

400

);

045

column1
=

new

Column(

320

+

100

);

046

column2
=

new

Column(

320

+

100

+

180

);

047

score
=

0

;

048

}

catch

(Exception
e) {

049

e.printStackTrace();

050

}

051

}

052

public

void

action()

throws

Exception{   

053

addMouseListener(

new

MouseAdapter()
{

054

@Override

055

public

void

mousePressed(MouseEvent
e) {

056

if

(gameOver)
{

057

start();

058

return

;

059

}

060

start
=

true

;

061

bird.flappy();

062

}

063

});

064

requestFocus();

065

addKeyListener(

new

KeyAdapter()
{

066

@Override

067

public

void

keyPressed(KeyEvent
e) {

068

if

(e.getKeyCode()==KeyEvent.VK_SPACE){

069

if

(gameOver){

070

start();

071

return

;

072

}

073

start
=

true

;

074

bird.flappy();

075

}

076

}

077

});

078

//主循环,
时间间隔是 1/60 秒

079

while

(

true

){

080

if

(start
&& !gameOver){

081

bird.step();

082

column1.step();

083

column2.step();

084

//检查是否通过柱子了

085

if

(bird.pass(column1,
column2)){

086

score++;

087

}

088

if

(bird.hit(column1,
column2,ground)){

089

start
=

false

;

090

gameOver
=

true

;

091

}

092

}

093

ground.step();

094

repaint();

095

Thread.sleep(

1000

/

60

);

096

}

097

098

}

099

@Override

100

public

void

paint(Graphics
g) {

101

//抗锯齿代码

102

Graphics2D
g2 = (Graphics2D)g;

103

RenderingHints
qualityHints =

new

RenderingHints(

104

RenderingHints.KEY_ANTIALIASING,

105

RenderingHints.VALUE_ANTIALIAS_ON);

106

qualityHints.put(RenderingHints.KEY_RENDERING,

107

RenderingHints.VALUE_RENDER_QUALITY);

108

g2.setRenderingHints(qualityHints);

109

//绘制背景

110

g.drawImage(background,

0

,

0

,

null

);

111

//绘制柱子

112

column1.paint(g);

113

column2.paint(g);

114

//绘制地面

115

ground.paint(g);

116

//绘制分数

117

Font
font =

new

Font(Font.MONOSPACED,
Font.BOLD,

30

);

118

g.setFont(font);

119

g.setColor(Color.white);

120

g.drawString(score+

""

,

30

,

50

);

121

//绘制小鸟

122

bird.paint(g);

123

//绘制结束状态

124

if

(gameOver){

125

//g.drawString("Game
Over!",70 ,190);

126

g.drawImage(gameoverImg,

0

,

0

,

null

);

127

return

;

128

}

129

if

(!
start){

130

//g.drawString("Start
>>>",bird.x+35,bird.y);

131

g.drawImage(startImg,

0

,

0

,

null

);

132

}

133

}

134

public

static

void

main(String[]
args)

throws

Exception
{

135

JFrame
frame =

new

JFrame(

"飞扬小鸟"

);

136

World
world =

new

World();

137

frame.add(world);

138

frame.setSize(

325

,

505

);

139

frame.setResizable(

false

);

140

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

141

frame.setLocationRelativeTo(

null

);

142

frame.setVisible(

true

);

143

world.action();

144

}

145

}