Android实现人物在地图中移动

Mars.CN 2011-11-19 05:17:44

加精

初学Android，做了个例子和初学的人们分享，高手指点

代码包已经上传到我的下载资源中 http://download.csdn.net/detail/suolong123/3815059



package com.marssoft.graphicstest;





import android.app.Activity;

import android.content.Context;

import android.graphics.Bitmap;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.Paint;

import android.graphics.Bitmap.Config;

import android.graphics.drawable.BitmapDrawable;

import android.view.KeyEvent;

import android.view.View;



public class TestView extends View {

	public static final short DIRECTION_UP = 19;

	public static final short DIRECTION_DOWN = 20;

	public static final short DIRECTION_LEFT = 21;

	public static final short DIRECTION_RIGHT = 22;

	

	private int width;

	private int height;

	private Activity act = null;

	private Bitmap map = null;

	private Bitmap z[] = new Bitmap[2];

	private Bitmap rm[][] = new Bitmap[4][4];

	private Paint mPaint = new Paint();

	private Bitmap mzip = null;

	private int rx=0 , ry=0;

	

	private int moveDirection =0;		//移动方向

	private int dirction=DIRECTION_DOWN;	//目前面向

	private int move_p=0;				//移动动画

	

	public TestView(Context context) {

		super(context);

		

		act = (Activity)context;

		width = act.getWindowManager().getDefaultDisplay().getWidth();

		height = act.getWindowManager().getDefaultDisplay().getHeight();

		z[0] = new BitmapDrawable(this.getContext().getResources().openRawResource(R.drawable.m0)).getBitmap();

		z[1] = new BitmapDrawable(this.getContext().getResources().openRawResource(R.drawable.m0)).getBitmap();

		

//		HandlerThread thread = new HandlerThread("chonghua");

//		thread.start();

//		Repaint r = new Repaint(thread.getLooper());

		

		new Thread(new Repaint()).start();

		createImage();

		setFocusable(true);  //设置控制焦点

	}

	

	@Override

	public boolean onKeyDown(int keyCode, KeyEvent event) {

		//键盘按下

		System.out.println("按键操作：" + keyCode);

		moveDirection = keyCode;

		dirction = keyCode;

		return super.onKeyDown(keyCode, event);

	}

	

	@Override

	public boolean onKeyUp(int keyCode, KeyEvent event) {

		moveDirection=0;

		move_p=0;

		return super.onKeyUp(keyCode, event);

	}

	

	

	/**

	 * 创建一张地图。

	 */

	public void createImage(){

		map = Bitmap.createBitmap(width, height, Config.ARGB_8888);		//创建于屏幕大小一致的图片

		Canvas canvas = new Canvas(map);		//获得画图对象

		canvas.drawColor(Color.WHITE);			//设置背景色为白色

		int r = height/32;

		int c = width/32;

		Paint p = new Paint();

		for(short i=0 ; i<r ; i++){

			for(short f=0 ; f<c ; f++){

				canvas.drawBitmap(z[0], f*32, i*32, p);

			}

		}

		mzip = new BitmapDrawable(this.getContext().getResources().openRawResource(R.drawable.r01)).getBitmap();	//获得人物

		//分解人物动作

		System.out.println("开始切图");

		for(short i=0 ; i<4 ; i++){

			for(short f=0 ; f<4 ; f++){

				rm[i][f] = Bitmap.createBitmap(mzip, f*32, i*48, 32, 48);

			}

		}

	}

	

	@Override

	protected void onDraw(Canvas canvas) {

		// TODO Auto-generated method stub

		super.onDraw(canvas);

		if(map !=null){

			canvas.drawBitmap(map, 0,0, mPaint);

			short sd = 0;

			if(dirction == DIRECTION_UP){

				sd=3;

			}else if(dirction == DIRECTION_LEFT){

				sd=1;

			}else if(dirction == DIRECTION_RIGHT){

				sd=2;

			}else if(dirction == DIRECTION_DOWN){

				sd=0;

			}

			canvas.drawBitmap(rm[sd][move_p], rx,ry, mPaint);

		}

		System.out.println("据说调用到了onDraw函数");

	}

	

	/**

	 * 移动小人。

	 * @param direction 方向

	 */

	public void move(int direction){

		

	}

	

	

	private class Repaint implements Runnable{

		

		public void run() {

			while(true){

				if(moveDirection == DIRECTION_UP){

					ry-=5;

				}else if(moveDirection == DIRECTION_DOWN){

					ry+=5;

				}else if(moveDirection == DIRECTION_LEFT){

					rx-=5;

				}else if(moveDirection  == DIRECTION_RIGHT){

					rx+=5;

				}

				System.out.println(rx + "-" + ry);

				if(moveDirection !=0){

					move_p++;

					if(move_p == 4){

						move_p=0;

					}

				}

				//刷新

				postInvalidate();

				try {

					Thread.sleep(50);

				} catch (InterruptedException e) {

					e.printStackTrace();

				}

			}

		}

	}

}