Java小游戏飞翔的小鸟

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;

2. import java.awt.*;

3. import javax.swing.*;

4. import javax.imageio.ImageIO;

5.  

6. public class Bird {

7.  

8. Image image;

9. int x,y;

10. int width,height;

11. int size;

12.  

13. double g;

14.  

15. double t;

16.  

17. double v0;

18.  

19. double speed;

20.  

21. double s;

22.  

23. double alpha;

24.  

25. //֡

26. Image[] images;

27.  

28. int index;

29.  

30. public Bird() throws Exception

31. {

32. image=new ImageIcon("source/0.png").getImage();

33. width = image.getWidth(null);

34. height = image.getHeight(null);

35. x=132;

36. y=280;

37. size=40;

38.  

39. g=4;

40. v0=20;

41. t=0.25;

42. speed=v0;

43. s=0;

44.  

45. alpha=0;

46.  
47.  

48. images=new Image[8];

49.  

50. for(int i=0;i<8;i++)

51. {

52. images[i]=new ImageIcon("source/"+i+".png").getImage();

53. }

54. index=0;

55.  

56. }

57.  
58.  

59. public void fly()

60. {

61. index++;

62. image=images[(index/12)%8];

63. }

64.  
65.  

66. public void step()

67. {

68. double v0=speed;

69.  

70. s=v0*t+g*t*t/2;

71.  

72. y=y-(int)s;

73.  

74. double v=v0-g*t;

75. speed =v;

76.  

77. alpha=Math.atan(s/8);

78.  

79. }

80.  
81.  

82. public void flappy()

83. {

84.  

85. speed=v0;

86. }

87.  
88.  

89. public boolean hit(Ground ground)

90. {

91. boolean hit =y+size/2>ground.y;

92. if(hit)

93. {

94. y=ground.y-size/2;

95. alpha=Math.PI/2;

96. }

97. return hit;

98. }

99.  
100.  

101. public boolean hit(Column column)

102. {

103.  

104. if(x>column.x-column.width/2-size/2&&x

105. {

106. if(y>column.y-column.gap/2+size/2&&y

107. return true;

108. }

109. return false;

110. }

111. }

 

1. package game;

2.  

3. import javax.imageio.ImageIO;

4. import java.util.*;

5.  

6. import javax.swing.*;

7.  

8. import java.awt.Graphics;

9. import java.awt.event.MouseAdapter;

10. import java.awt.event.*;

11. import java.awt.image.BufferedImage;

12. import javax.imageio.*;

13. import java.awt.*;

14.  

15. public class BirdGame extends JPanel {

16.  
17.  

18. Image background;

19. Image startImage;

20. Image overImage;

21. Ground ground;//����

22. Column column1,column2;

23. Bird bird;

24. int score;

25. int state;//״̬

26. //״̬����

27. public static final int START=0;

28. public static final int RUNNING=1;

29. public static final int GAME_OVER=2;

30.  

31. public BirdGame() throws Exception

32. {

33. background = new ImageIcon("./source/bg.png").getImage();

34. startImage = new ImageIcon("./source/start.png").getImage();

35. overImage=new ImageIcon("./source/gameover.png").getImage();

36. //״̬

37. ground=new Ground();

38. column1=new Column(1);

39. column2=new Column(2);

40. bird=new Bird();

41. score=0;

42. state=0;

43. }

44.  

45. public void paint(Graphics g)

46. {

47.  

48. g.drawImage(background, 0, 0,null);

49.  

50. g.drawImage(ground.image, ground.x, ground.y, null);

51.  

52. g.drawImage(column1.image,column1.x-column1.width/2,column1.y-column1.height/2,null);

53. g.drawImage(column2.image,column2.x-column2.width/2,column2.y-column2.height/2,null);

54.  

55. Graphics2D g2=(Graphics2D) g;

56. g2.rotate(-bird.alpha,bird.x,bird.y);

57. g.drawImage(bird.image,bird.x-bird.width/2,bird.y-bird.height/2,null);

58. g2.rotate(bird.alpha,bird.x,bird.y);

59.  

60. Font f=new Font(Font.SANS_SERIF,Font.BOLD,40);

61. g.setFont(f);

62. g.drawString(""+score, 40, 60);

63. g.setColor(Color.WHITE);

64. g.drawString(""+score,40-3, 60-3);

65.  

66. switch(state)

67. {

68. case START:

69. g.drawImage(startImage, 0, 0, null);

70. break;

71. case GAME_OVER:

72. g.drawImage(overImage, 0, 0, null);

73. break;

74. }

75. }

76.  

77. public void action() throws Exception

78. {

79.  

80. MouseListener l=new MouseAdapter()

81. {

82. public void mousePressed(MouseEvent e)

83. {

84. try {

85. switch(state) {

86. case START:

87. //״̬

88. state=RUNNING;

89. break;

90. case RUNNING:

91.  

92. bird.flappy();

93. break;

94. case GAME_OVER:

95.  

96. column1=new Column(1);

97. column2=new Column(2);

98. bird=new Bird();

99. score=0;

100. state=START;

101. break;

102. }

103. }

104. catch (Exception ex)

105. {

106. ex.printStackTrace();

107. }

108. }

109.  

110. };

111. addMouseListener(l);

112. while(true)

113. {

114. switch(state)

115. {

116. case START:

117. bird.fly();

118. ground.step();

119. break;

120. case RUNNING:

121. ground.step();

122. column1.step();

123. column2.step();

124. bird.fly();

125. bird.step();

126.  

127. score++;

128. //

129. if(bird.hit(ground)||bird.hit(column1)||bird.hit(column2))

130. {

131. state=GAME_OVER;

132. }

133. break;

134. }

135.  

136. Thread.sleep(1000/60);

137. repaint();

138. }

139. }

140.  
141.  
142.  

143. public static void main(String[] args) throws Exception

144. {

145.  

146. JFrame frame=new JFrame();

147. BirdGame game=new BirdGame();

148. frame.add(game);

149. frame.setSize(440,670);

150. frame.setLocationRelativeTo(null);

151. frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

152. frame.setVisible(true);

153. game.action();

154. }

155.  

156. }

1. package game;

2.  

3. import java.util.*;

4. import java.awt.*;

5.  

6. import javax.imageio.ImageIO;

7. import javax.swing.*;

8.  

9. public class Column {

10.  

11. Image image;

12.  

13. int x,y;

14. int width,height;

15.  

16. int gap;

17.  

18. int distance;

19. Random random =new Random();

20.  
21.  
22.  

23. public Column(int n) throws Exception

24. {

25. image=new ImageIcon("source/column.png").getImage();

26. width=image.getWidth(null);

27. height=image.getHeight(null);

28. gap=144;

29. distance=245;

30. x=550+(n-1)*distance;

31. y=random.nextInt(218)+132;

32. }

33.  

34. public void step()

35. {

36. x-=4;

37. if(x<= -width/2)

38. {

39. x=distance*2-width/2;

40. y=random.nextInt(218);

41. }

42. }

43. }

 

 

1. package game;

2.  

3. import javax.swing.*;

4. import java.awt.*;

5.  

6. public class Ground {

7.  

8. Image image;

9.  

10. int x,y;

11.  

12. int width,height;

13.  
14.  

15. public Ground() throws Exception

16. {

17. image =new ImageIcon("source/ground.png").getImage();

18. width=image.getWidth(null);

19. height=image.getHeight(null);

20. x=0;

21. y=500;

22. }

23.  
24.  

25. public void step()

26. {

27. x-=4;

28. if(x<=-109)

29. {

30. x=0;

31. }

32. }

33.  
34.  

35. }

运行结果如下所示：