package?com.tarena.bird;

import?java.awt.Color;
import?java.awt.Font;
import?java.awt.Graphics;
import?java.awt.Graphics2D;
import?java.awt.event.MouseAdapter;
import?java.awt.event.MouseEvent;
import?java.awt.event.MouseListener;
import?java.awt.image.BufferedImage;
import?java.util.Random;

import?javax.imageio.ImageIO;
import?javax.swing.Jframe;
import?javax.swing.JPanel;
?
public?class?BirdGame?extends?JPanel?{
	Bird?bird;
	Column?column1?column2;?
	Ground?ground;
	BufferedImage?background;
	/**?游戲結束狀態?*/
	boolean?gameOver;
	BufferedImage?gameOverImage;
	/**?游戲開始狀態?*/
	boolean?started;
	BufferedImage?startImage;
	//分數
	int?score;
	
	Sound?hitSound;
	Sound?flappySound;
	Sound?scoreSound;
	Sound?startSound;
	
	/**?初始化?BirdGame?的屬性變量?*/
	public?BirdGame（）?throws?Exception?{
		started?=?false;
		startImage?=?ImageIO.read（
			getClass（）.getResource（“start.png“））;
		gameOver?=?false;
		gameOverImage?=?ImageIO.read（
			getClass（）.getResource（
					“gameover.png“））;
		score?=?0;
		bird?=?new?Bird（）;
		column1?=?new?Column（1）;
		column2?=?new?Column（2）;
		ground?=?new?Ground（）;
		background?=?ImageIO.read（
			getClass（）.getResource（“bg.png“））;?
		
		hitSound?=?new?Sound（“hit.wav“）;
		flappySound?=?new?Sound（“flappy.wav“）;
		scoreSound?=?new?Sound（“score.wav“）;
		startSound?=?new?Sound（“start.wav“）;
	}
	
	/**?“重寫（修改）“paint方法實現繪制?*/
	public?void?paint（Graphics?g）{
		g.drawImage（background?0?0?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）;
		//在paint方法中添加繪制分數的算法
		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）;
		
		g.drawImage（ground.image?ground.x?
			ground.y?null）;
		//旋轉（rotate）繪圖坐標系，是API方法
		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）;
		//在paint方法中添加顯示游戲結束狀態代碼
		if（gameOver）{
			g.drawImage（gameOverImage00null）;
		}
		if（!?started）{
			g.drawImage（startImage?0?0?null）;
		}
?
		//添加調試的方框
//		g.drawRect（bird.x-bird.size/2?
//				bird.y-bird.size/2?
//				bird.size?bird.size）;
//		g.drawRect（column1.x-column1.width/2?
//				column1.y-column1.height/2?
//				column1.width?
//				column1.height/2-column1.gap/2）;
//		g.drawRect（column1.x-column1.width/2?
//				column1.y+column1.gap/2?
//				column1.width?
//				column1.height/2-column1.gap/2）;		
	}//paint方法的結束
	//BirdGame中添加方法action（）
	public?void?action（）?throws?Exception?{
		MouseListener?l=new?MouseAdapter（）{
			//Mouse?老鼠?Pressed按下
			public?void?mousePressed（
					MouseEvent?e）{
				try{
					if（gameOver）{
						synchronized（BirdGame.this）{