Android实现人物在地图中移动

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();
				}
			}
		}
	}
}