package?cn.ucai.game;

import?java.awt.image.BufferedImage;
import?java.io.IOException;

import?javax.imageio.ImageIO;

/**
?*小鳥類
?*/
public?class?Bird?{

	
	
	
	int?x?y;
	BufferedImage?image;
	int?size;

	int?width?height;?//?寬和高度
	BufferedImage[]?images;
	int?index;?//?下角標

	double?s;?//?位移量
	double?time;?//?事件
	double?g;?//?重力加速度
	double?v0;?//?初始速度
	double?speeh;?//?當前速度

	double?rad;

	public?Bird（）?throws?IOException?{
		x?=?140;
		y?=?245;?//?定義xy?坐標
		size?=40;
		index?=?0;

		v0?=20;
		g?=?4?;
		time?=?0.25;
		speeh?=?v0;

		try?{
			image?=?ImageIO.read（getClass（）.getResource（“0.png“））;
		}?catch?（IOException?e）?{
			//?TODO?Auto-generated?catch?block
			e.printStackTrace（）;
		}

		width?=?image.getWidth（）;
		height?=?image.getHeight（）;

		images?=?new?BufferedImage[8];
		for?（int?i?=?0;?i?			images[i]?=?ImageIO.read（getClass（）.getResource（i?+?“.png“））;
		}

	}
	//小鳥圖片的切換
	public?void?fly（）?{
		index++;
		image?=?images[（index?/?8）?%?8];
	}
	//小鳥跳動一下
	public?void?step（）?{

		double?v?=?speeh;
		s?=?v?*?time?-?g?*?time?*?time;
		y?=?（int）?（y?-?s）;
		speeh?=?v?-?g?*?time;
		rad?=?Math.atan（s?/?8）;//?讓小鳥有角度的拋起來伴隨著位移的變化，去改變角度（所以用s/）參數值越大角度越大

	}
	//小鳥向上飛
	public?void?flyUp（）?{
		speeh?=?v0;
	}

	public?boolean?hit（Column?column）?{//?碰撞柱子
		
		if?（x?>?column.x?-?size?/?2?-?column.width?/?2?&&?x?
			if?（y?>?column.y?-?column.gap?/?2?+?size?/?2?&&?y?				return?false;
			}
			return?true;//?將此處改為false，即不死鳥
		}

		return?false;
	}

	public?boolean?hit（Ground?ground）?{//?碰撞地板

		if?（y?>=?ground.y?-?size?/?2）?{
			rad?=?-Math.PI?/?2;
			return?true;

		}
		return?false;
	}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-06-04?21:10??BirdGame\
?????文件?????????301??2017-03-21?14:43??BirdGame\.classpath
?????文件????????6148??2017-05-31?17:38??BirdGame\.DS_Store
?????文件?????????384??2017-03-21?15:11??BirdGame\.project
?????目錄???????????0??2017-06-04?21:10??BirdGame\.settings\
?????文件?????????598??2017-03-21?14:43??BirdGame\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2017-06-04?21:14??BirdGame\bin\
?????文件????????6148??2017-05-23?23:48??BirdGame\bin\.DS_Store
?????目錄???????????0??2017-06-04?21:14??BirdGame\bin\cn\
?????文件????????6148??2017-05-23?23:48??BirdGame\bin\cn\.DS_Store
?????目錄???????????0??2017-06-04?21:14??BirdGame\bin\cn\ucai\
?????文件????????8196??2017-05-24?02:06??BirdGame\bin\cn\ucai\.DS_Store
?????目錄???????????0??2017-06-06?11:20??BirdGame\bin\cn\ucai\game\
?????文件????????3157??2017-03-21?14:43??BirdGame\bin\cn\ucai\game\0.png
?????文件????????3167??2017-03-21?14:43??BirdGame\bin\cn\ucai\game\1.png
?????文件????????3159??2017-03-21?14:43??BirdGame\bin\cn\ucai\game\2.png
?????文件????????3165??2017-03-21?14:43??BirdGame\bin\cn\ucai\game\3.png
?????文件????????3157??2017-03-21?14:43??BirdGame\bin\cn\ucai\game\4.png
?????文件????????3165??2017-03-21?14:43??BirdGame\bin\cn\ucai\game\5.png
?????文件????????3159??2017-03-21?14:43??BirdGame\bin\cn\ucai\game\6.png
?????文件????????3167??2017-03-21?14:43??BirdGame\bin\cn\ucai\game\7.png
?????文件????????9226??2017-03-21?14:43??BirdGame\bin\cn\ucai\game\bg.png
?????文件????????2619??2017-06-06?12:06??BirdGame\bin\cn\ucai\game\Bird.class
?????文件????????1280??2017-06-06?14:41??BirdGame\bin\cn\ucai\game\BirdGame$1.class
?????文件????????3644??2017-06-06?14:41??BirdGame\bin\cn\ucai\game\BirdGame.class
?????文件????????1267??2017-06-05?23:14??BirdGame\bin\cn\ucai\game\Column.class
?????文件????????5588??2017-03-21?14:43??BirdGame\bin\cn\ucai\game\column.png
?????文件????????8684??2017-03-21?14:43??BirdGame\bin\cn\ucai\game\gameover.png
?????文件?????????916??2017-06-04?21:14??BirdGame\bin\cn\ucai\game\Ground.class
?????文件????????3567??2017-03-21?14:43??BirdGame\bin\cn\ucai\game\ground.png
?????文件?????????900??2017-06-06?11:54??BirdGame\bin\cn\ucai\game\Run.class
............此處省略26個文件信息