android贪吃蛇完整代码
以下是我花了两天时间由一个简单的画矩形的例子改造而来的,还没有来得急测试就贴上了,追求完美的朋友还需要认真玩下啦.我就去做其他例子了.
游戏是由重写view类完成的,所以没有布局文件,这和官方的实例不一样,是直接画图,所以也没有图片,你只要建立个应用复制下代码应该没有问题啦.
看图:文字和方块是不采用屏幕比例的大小输出,所以从手机上要的图很不好看了,有空自己改改.
主代码:完成游戏控制
package org.mytest.snake;
import java.util.Timer;
import java.util.TimerTask;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.DisplayMetrics;
import android.view.Display;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.view.Window;
import android.view.WindowManager;
import android.view.View.OnKeyListener;
public class mainActivity extends Activity
{
// 屏幕宽度
private int width;
// 屏幕高度
private int height;
SnakeView snake;
private int direction;
Boolean start=false;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
// 去掉窗口标题
requestWindowFeature(Window.FEATURE_NO_TITLE);
// 全屏显示
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
// 获取窗口管理器
WindowManager windowManager = getWindowManager();
Display display = windowManager.getDefaultDisplay();
DisplayMetrics metrics = new DisplayMetrics();
display.getMetrics(metrics);
// 获得屏幕宽和高
width = metrics.widthPixels;
height = metrics.heightPixels;
snake=new SnakeView(this,width,height);
direction=snake.direction;
setContentView(snake);
startgame();
}
@SuppressLint("HandlerLeak")
private void startgame() {
// TODO 自动生成的方法存根
final Handler handler = new Handler()
{
@SuppressLint("HandlerLeak")
public void handleMessage(Message msg)
{
if (msg.what == 0x123)
{
snake.invalidate();
}
}
};
snake.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v) {
// TODO 自动生成的方法存根
start=true;
snake.pause=false;
snake.firstStart=false;
if(snake.isOver)
{
snake.replay();
}
}
});
snake.setOnKeyListener(new OnKeyListener()
{
@Override
public boolean onKey(View source, int keyCode, KeyEvent event)
{
if(start){
// 获取由哪个键触发的事件
switch (event.getKeyCode())
{
// 左移
case KeyEvent.KEYCODE_A:
direction=snake.LEFT;
break;
// 右移
case KeyEvent.KEYCODE_D:
direction=snake.RIGHT;
break;
// 上移
case KeyEvent.KEYCODE_W:
direction=snake.TOP;
break;
// 下移
case KeyEvent.KEYCODE_S:
direction=snake.BOTTOM;
break;
}
}
return false;
}
});
snake.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (start)
{
float x = event.getX() / v.getWidth();
float y = event.getY() / v.getHeight();
direction = (x > y) ?((x>1-y)?snake.RIGHT:snake.TOP):((x>1-y)?snake.BOTTOM:snake.LEFT);
}
return false;
}
});
final Timer timer = new Timer();
timer.schedule(new TimerTask()
{
@Override
public void run()
{
if(start&&!snake.isOver)
{
snake.snakeMove(direction);
// 发送消息，通知系统重绘组件
handler.sendEmptyMessage(0x123);
if(snake.pause)
{
start=false;
}
}
else
{
start=false;
}
}
}, 0, 500);
}
@Override
protected void onPause() {
super.onPause();
snake.pause=true;
}
}
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.RectF;
import android.view.View;
class SnakeView extends View
{
int stepx,stepy;
Chip chip=new Chip(0,0,0);
Paint paint=new Paint();
Random rand = new Random();
List snake=new ArrayList();
List food=new ArrayList();
public final int TOP=0;
public final int BOTTOM=1;
public final int LEFT=2;
public final int RIGHT=3;
int direction;
Boolean find;
Boolean firstStart=true;
Boolean pause=false;
Boolean isOver=false;
int code=0;
public SnakeView(Context context)
{
super(context);
setFocusable(true);
}
public SnakeView(Context context,int width,int height)
{
super(context);
setFocusable(true);
stepx=width/chip.LENGTH;
stepy=height/chip.LENGTH;
direction=BOTTOM;
setSnake();
foodPlace(2);
}
@SuppressLint("DrawAllocation")
public void onDraw(Canvas canvas)
{
canvas.drawRGB(0, 0xbf,0xff);
paint.setColor(Color.rgb(0, 0, 0));
canvas.drawRect(chip.LENGTH,chip.LENGTH, stepx*chip.LENGTH-chip.LENGTH,
stepy*chip.LENGTH-chip.LENGTH, paint);
paint.setColor(Color.rgb(36, 64, 0x8B));
Path p1=new Path();
p1.moveTo(chip.LENGTH, chip.LENGTH);
p1.lineTo(stepx*chip.LENGTH/2, stepy*chip.LENGTH/2);
p1.lineTo(chip.LENGTH, stepy*chip.LENGTH-chip.LENGTH);
p1.close();
canvas.drawPath(p1, paint);
p1.moveTo(stepx*chip.LENGTH-chip.LENGTH, chip.LENGTH);
p1.lineTo(stepx*chip.LENGTH/2, stepy*chip.LENGTH/2);
p1.lineTo(stepx*chip.LENGTH-chip.LENGTH, stepy*chip.LENGTH-chip.LENGTH);
p1.close();
canvas.drawPath(p1, paint);
if (firstStart)
{
paint.setColor(Color.RED);
paint.setTextSize(20);
canvas.drawText("点击屏幕开始游戏", 60, 200, paint);
canvas.drawText("触摸颜色区控制方向", 50, 260, paint);
}
if (pause)
{
paint.setColor(Color.RED);
paint.setTextSize(20);
canvas.drawText("点击游戏继续", 70, 260, paint);
}
findFood();
for(int i=0;ichip.LENGTH*(stepx-2)||
snake.get(0).cychip.LENGTH*(stepy-2))
{
return true;
}
for(int i=1;i 最后,一条蛇就是由这样的小碎片组成的
package org.mytest.snake;
class Chip
{
public final int LENGTH=15;
public int cx;
public int cy;
public int color;
public Chip(int x,int y,int color)
{
this.cx=x;
this.cy=y;
this.color=color;
}
}