Java实现Flappy Bird游戏源码

本文实例为大家分享了java实现flappy bird游戏的具体代码，供大家参考，具体内容如下

1.首先在mainactivity.xml中放置一个view，id为viewdraw

2.开始编程，程序中自定义一个view类的子类，与viewdraw关联，程序除了放置如一个view控件，没有其他控件，程序上面的所有图片都是通过控制canvas画图实现

3.游戏是依据flappybird的游戏过程重新写的算法，功能与原版游戏相似，可能有些地方不足，完全是学习练习编程而已，做的不好见谅

4.原图片大小为384*512，在展示图片时将图片进行了放大，尽可能满足800*1280的全屏展示，如果你使用三星note10，这个程序可以直接复制粘贴运行，否则，可能会遇到图片画错位置的问题，请适当调整

5.程序游戏中使用到的图片最后，只需要按照图片上的名字命名该图片，并导入到程序的图片资源中，就能顺利运行本程序

代码：

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public class mainactivity extends activity

{

static final int img_width=384; //图片的长宽

static final int img_height=512;

private view viewdraw;

@override

protected void oncreate(bundle savedinstancestate)

{

super.oncreate(savedinstancestate);

setcontentview(r.layout.activity_main);

viewdraw = (view) findviewbyid(r.id.viewdraw);

myview v = new myview(viewdraw.getcontext(), null);

setcontentview(v);

}

@override

public boolean onkeydown(int keycode, keyevent event)

{

if (keycode == keyevent.keycode_back)

{

finish();

return true;

}

return super.onkeydown(keycode, event);

}

//定义水管障碍物类

class obstacle

{

int x;

int h;

public obstacle()

{

x=0;

h=0;

}

//自定义view子类，完成动画的刷新

class myview extends view implements runnable

{

static final int speed=2;

// 图形当前坐标

private int x = 20, y = 20,a,b,c,birdheight,time,point,v,record;

obstacle pillar[]= new obstacle[3];

boolean binit,bcourse,bgame,bgameover;

refreshhandler mredrawhandler;

bitmap birdupbitmap,birddownbitmap,birdmiddlebitmap,groundbitmap,otherstartbitmap;

bitmap courseupbitmap,coursedownbitmap,coursemiddlebitmap;

bitmap pillarupbitmap,pillardownbitmap,gameoverbitmap,recordbitmap,playagainbitmap,listbitmap,goldbitmap,silverbitmap,bronzebitmap,whitegoldbitmap,gamebackgroundbitmap;

// 构造方法

public myview(context context, attributeset attrs)

{

super(context, attrs);

// todo auto-generated constructor stub

// 获得焦点

setfocusable(true);

binit=false;

bcourse=false;

bgame=false;

bgameover=false;

//障碍物初始化

pillar[0]=new obstacle();

pillar[1]=new obstacle();

pillar[2]=new obstacle();

//载入图片

otherstartbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.other_start);

birdupbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.bird_up);

birddownbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.bird_down);

birdmiddlebitmap = bitmapfactory.decoderesource(getresources(), r.drawable.bird_middle);

groundbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.background_ground);

pillardownbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.pillar_downside);

pillarupbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.pillar_upside);

gameoverbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.other_gameover);

recordbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.other_record);

playagainbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.other_restart);

listbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.other_list);

bronzebitmap = bitmapfactory.decoderesource(getresources(), r.drawable.medals_bronze);

silverbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.medals_silver);

goldbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.medals_gold);

whitegoldbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.medals_whitegold);

//游戏界面刷新handler

mredrawhandler = new refreshhandler();

// 启动线程

new thread(this).start();

}

@override

public void run()

{

// todo auto-generated method stub

while (true)

{

// 通过发送消息更新界面

message m = new message();

m.what = 0x101;

mredrawhandler.sendmessage(m);

try

{

thread.sleep(20);

} catch (interruptedexception e)

{

// todo auto-generated catch block

e.printstacktrace();

}

//游戏画面更新

void gamedraw(canvas canvas)

{

if(!binit)

{

bitmap bm;

bm = bitmapfactory.decoderesource(getresources(), r.drawable.other_load);

canvas.drawbitmap(bm, 0, 0, null);

paint p1 = new paint();

p1.setantialias(true);

p1.setcolor(color.white);

p1.settextsize(20);//设置字体大小

}

else if(binit)

{

if(!bcourse)

{

a-=speed;

if(a<=0)

a=384;

canvas.drawbitmap(otherstartbitmap, 0, 0, null);

canvas.drawbitmap(groundbitmap, a, 448, null);

canvas.drawbitmap(groundbitmap, a-384, 448, null);

b=a%128;

if(b>=0&&b<32)

{

canvas.drawbitmap(birdmiddlebitmap, 175, 220, null);

}

if(b>=32&&b<64)

{

canvas.drawbitmap(birdupbitmap, 175, 216, null);

}

if(b>=64&&b<96)

{

canvas.drawbitmap(birdmiddlebitmap, 175, 220, null);

}

if(b>=96&&b<=128)

{

canvas.drawbitmap(birddownbitmap, 175, 224, null);

}

canvas.drawbitmap(groundbitmap, a, 448, null);

}

else if (bcourse)

{

if(!bgame)

{

time += 1;

int temp = time % 64;

if (temp >= 0 && temp < 16)

canvas.drawbitmap(courseupbitmap, 0, 0, null);

if (temp >= 16 && temp < 32)

canvas.drawbitmap(coursemiddlebitmap, 0, 0, null);

if (temp >= 32 && temp < 48)

canvas.drawbitmap(coursedownbitmap, 0, 0, null);

if (temp >= 48 && temp < 64)

canvas.drawbitmap(coursemiddlebitmap, 0, 0, null);

a-=speed;

if(a<=0)

a=384;

canvas.drawbitmap(groundbitmap, a, 448, null);

canvas.drawbitmap(groundbitmap, a-384, 448, null);

}

else if(bgame)

{

if(!bgameover)

{

time+=1;

/***************计算高度************************/

v+=9.8;

if(v>120)

v=120;

else if(v<-150)

v=-150;

if(v>=0)

birdheight+=((v*5.0)/77);

else if(v<0)

birdheight+=((v*4.5)/77);

if(birdheight<0)

birdheight=0;

else if(birdheight>415)

birdheight=415;

/***************柱子的移动**********************/

for(c=0;c<3;c++)

{

pillar[c].x-=speed;

if(pillar[c].x<=-70)

pillar[c].x=650;

if(pillar[c].x==512)

{

pillar[c].h=(new random()).nextint(200)+200;

}

/***************计算分数************************/

for(c=0;c<3;c++)

{

if(pillar[c].x==100)

point++;

}

/****************地面移动***********************/

a-=speed;

/****************判断碰撞,+32判断下侧柱子，-170判断上侧柱子***********************/

if(pillar[0].x>=30&&pillar[0].x<=145&&(pillar[0].h<(birdheight+32)||(pillar[0].h-170)>birdheight))

bgameover=true;

if(pillar[1].x>=30&&pillar[1].x<=145&&(pillar[1].h<(birdheight+32)||(pillar[1].h-170)>birdheight))

bgameover=true;

if(pillar[2].x>=30&&pillar[2].x<=145&&(pillar[2].h<(birdheight+32)||(pillar[2].h-170)>birdheight))

bgameover=true;

//是否碰到地面

if(birdheight>414)

bgameover=true;

}

/***************显示图像************************/

//显示背景

canvas.drawbitmap(gamebackgroundbitmap, 0, 0, null);

//显示柱子

for(c=0;c<3;c++)

{

canvas.drawbitmap(pillardownbitmap, pillar[c].x, pillar[c].h, null);

canvas.drawbitmap(pillarupbitmap, pillar[c].x, pillar[c].h-420, null);

}

if(a<=0)

a=384;

canvas.drawbitmap(groundbitmap, a, 448, null);

canvas.drawbitmap(groundbitmap, a-384, 448, null);

int temp=time%16;

if(temp>=0&&temp<4)

canvas.drawbitmap(birdmiddlebitmap, 100, birdheight, null);

if(temp>=4&&temp<8)

canvas.drawbitmap(birdupbitmap, 100, birdheight, null);

if(temp>=8&&temp<12)

canvas.drawbitmap(birdmiddlebitmap, 100, birdheight, null);

if(temp>=12&&temp<16)

canvas.drawbitmap(birddownbitmap, 100, birdheight, null);

if(!bgameover)

{

/*******************显示分数**********************/

paint p1 = new paint();

p1.setantialias(true);

p1.setcolor(color.white);

p1.settextsize(20);//设置字体大小

canvas.drawtext("score:"+point, 171, 50, p1);

canvas.drawtext("acc:"+v, 171, 80, p1);

canvas.drawtext("h:"+birdheight, 171, 110, p1);

}

else if(bgameover)

{

canvas.drawbitmap(gameoverbitmap, 55, 60, null);

canvas.drawbitmap(recordbitmap, 35, 150, null);

canvas.drawbitmap(playagainbitmap, 35, 350, null);

canvas.drawbitmap(listbitmap, 200, 350, null);

if(point>=10&&point<20)

canvas.drawbitmap(bronzebitmap, 67, 200, null);

if(point>=20&&point<30)

canvas.drawbitmap(silverbitmap, 67, 200, null);

if(point>=30&&point<40)

canvas.drawbitmap(goldbitmap, 67, 200, null);

if(point>=40)

canvas.drawbitmap(whitegoldbitmap, 67, 200, null);

paint p1 = new paint();

p1.setantialias(true);

p1.setcolor(color.white);

p1.settextsize(20);//设置字体大小

canvas.drawtext(""+point, 260, 210, p1);

//最高纪录

canvas.drawtext("1000", 260, 268, p1);

}

// 实例化画笔

paint p = new paint();

p.setcolor(color.black);

p.setcolor(color.white);

canvas.drawtext("init: "+binit+" course: "+bcourse+" game: "+bgame+" over: "+bgameover, 0, 10, p);

}

@override

protected void ondraw(canvas canvas)

{

// todo auto-generated method stub

super.ondraw(canvas);

canvas.drawcolor(color.black);

//这里的操作是为了在我的平板电脑竖屏尽量全屏显示，原图片很小，我的屏幕分辨率为1280*800，如果不需要对图片进行缩放，可以在只而立只保留gamedraw（）部分

canvas.save();

canvas.translate(16, 80);

float scale=(float) 2.0;

canvas.scale(scale, scale);

canvas.cliprect(0, 0, img_width, img_height);

gamedraw(canvas);

canvas.restore();

}

// 更新界面处理器

class refreshhandler extends handler

{

@override

public void handlemessage(message msg)

{

// todo auto-generated method stub

if (msg.what == 0x101)

{

myview.this.update();

myview.this.invalidate();

}

super.handlemessage(msg);

}

// 更新坐标

private void update()

{

}

//触屏事件

@override

public boolean ontouchevent(motionevent event)

{

switch (event.getpointercount())

{

case 1:

return onsingletouchevent(event);

case 2:

return ondoubletouchevent(event);

default:

return false;

}

//单手指触屏处理

private boolean onsingletouchevent(motionevent event)

{

int x = (int) event.getx();

int y = (int) event.gety();

switch (event.getaction())

{

case motionevent.action_up:

if(!binit)

{

a=-2;

binit=true;

}

else if(binit)

{

if(!bcourse)

{

if((new random()).nextint(3)==0)

{

gamebackgroundbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.background_night);

coursedownbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.intro_night_down);

courseupbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.intro_night_up);

coursemiddlebitmap = bitmapfactory.decoderesource(getresources(), r.drawable.intro_night_middle);

}

else

{

gamebackgroundbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.background_day);

coursedownbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.intro_day_down);

courseupbitmap = bitmapfactory.decoderesource(getresources(), r.drawable.intro_day_up);

coursemiddlebitmap = bitmapfactory.decoderesource(getresources(), r.drawable.intro_day_middle);

}

time = 0;

图片：

background_day.png

background_ground.png

background_night.png

bird_down.png

bird_middle.png

bird_up.png

intro_day_down.png

intro_day_middle.png

intro_day_up.png

intro_night_down.png

intro_night_middle.png

intro_night_up.png

medals_bronze.png

medals_gold.png

medals_silver.png

medals_whitegold.png

other_gameover.png

other_list.png

other_load.png

other_record.png

other_restart.png

other_start.png

pillar_downside.png

pillar_upside.png

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持快网idc。

原文链接：https://blog.csdn.net/sqh4587/article/details/23458877

Java实现Flappy Bird游戏源码

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