(2010年11月26)javaMe实现的智能小球碰墙游戏
package com.ball;
public class Ball
{
private int width=0;//画板的宽度
private int hight=0;//画板的高度
private int add_x=0;//自增变量x
private int add_y=0;//自增变量y
private int x=0;// x轴坐标
private int y=0;//y轴坐标
private boolean X_add=true;//判断小球在那个方向的增减变量
private boolean Y_add=false;
public Ball(int width,int hight)
{
this.width=width;
this.hight=hight;
add_x=base.add;
add_y=base.add;
x=width/2;//定义开始小球的坐标位置
y=hight-base.R;
}
public int getX()//获得小球的坐标
{
if(x+base.R<width&&X_add)
{
if((x+add_x+base.R)<width)
return x+=add_x;
else
{
X_add=false;
return x=width-base.R;
}
}
else
{
if(x-add_x>0)
return x-=add_x;
else
{
X_add=true;
return x=0;
}
}
}
public int getY()
{
if(Y_add)
{
if(y+add_y+base.R<=hight)
return y+=add_y;
else
return y=hight-base.R;
}
else
{
if(y-add_y>0)
return y-=add_y;
else
{
Y_add=true;
return y=0;
}
}
}
public void setBallBack()
{
Y_add=false;
}
public int getCurrent_Y()
{
return y;
}
public int getCurrent_X()
{
return x;
}
public boolean get_X_Direction()
{
return this.X_add;
}
public boolean get_Y_Direction()
{
return this.Y_add;
}
}
package com.ball;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;
public class Ball_Main extends MIDlet implements CommandListener
{
private Display display=null;
private BallCanvas canvas=null;
private Command exit=null;
private Command Start_Wisdom=null;
private Command End_Wisdom=null;
public Ball_Main(){
display=Display.getDisplay(this);
canvas=new BallCanvas();
exit=new Command("退出",Command.EXIT,1);
Start_Wisdom=new Command("启动智能",Command.SCREEN,1);
End_Wisdom=new Command("结束智能",Command.SCREEN,2);
canvas.addCommand(exit);
canvas.addCommand(Start_Wisdom);
canvas.setCommandListener(this);
}
protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
}
protected void pauseApp() {
}
protected void startApp() throws MIDletStateChangeException {
display.setCurrent(canvas);
}
public void commandAction(Command arg0, Displayable arg1) {
if(arg0==exit)
{
try
{
destroyApp(true);
}
catch (MIDletStateChangeException e) {
e.printStackTrace();
}
notifyDestroyed();
}
else if(arg0==Start_Wisdom)
{
canvas.startSmort(true);
canvas.removeCommand(Start_Wisdom);
canvas.addCommand(End_Wisdom);
}
else
{
canvas.startSmort(false);
canvas.removeCommand(End_Wisdom);
canvas.addCommand(Start_Wisdom);
}
}
}
package com.ball;
import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Graphics;
public class BallCanvas extends Canvas
{
private Ball ball=null;
private int width=0;
private int hight=0;
private boolean isStart=false;
private boolean gameIsover=false;
/******************托板的成员变量**********************/
private boolean keyPressed=false;//键一直处于按下的状态
private static int desk_x=0;
private int keyCode=0;
private boolean smortStart=false;
private int desk_add=0;
private boolean desk_add_start=true;
/****************************************/
public BallCanvas()
{
width=this.getWidth();
hight=this.getHeight();
ball=new Ball(width,hight);
desk_x=width/2;
new ThreadRun().start();
new KeyThread().start();
}
protected void paint(Graphics g)
{
g.setColor(255,255,255);
g.fillRect(0, 0, width, hight);
g.setColor(0,0,0);
if(!isStart)
g.fillArc(width/2, hight-10, base.R, base.R, 0,360);
else
g.fillArc(ball.getX(),ball.getY(), base.R, base.R, 0,360);
/****************
* 绘制底层画板的代码
* ************************/
g.fillRect(desk_x, hight-base.DESK_hight, base.DESK_width,base.DESK_hight);
}
public void keyPressed(int code)
{
keyPressed=true;
keyCode=code;
keyEvent(code,5);
}
public void keyReleased(int code)
{
keyPressed=false;
}
private void keyEvent(int code,int size)
{
if(!smortStart)
{
switch(code){
case base.LEFT:
case base.LEFT_x:
if(desk_x>0)
desk_x=desk_x-size;
else
desk_x=0;
break;
case base.RIGHT:
case base.RIGHT_x:
if(desk_x+base.DESK_width+size<width)
desk_x=desk_x+size;
else
desk_x= width-base.DESK_width;
break;
}
}
}
private class KeyThread extends Thread
{
public void run()
{
while(true)
{
if(keyPressed){
keyEvent(keyCode,7);
}
try
{
this.sleep(100);
}
catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
private class ThreadRun extends Thread
{
public void run()
{
isStart=true;
while(!gameIsover)
{
if(smortStart)//启用智能
customStart();
repaint();
back();
try
{
this.sleep(150);
}
catch (InterruptedException e) {
e.printStackTrace();
}
}
}
public void back()
{
if(ball.getCurrent_Y()>=hight-base.R-base.DESK_hight-base.add)
{
if(ball.getCurrent_X()+base.R/2>=desk_x&&ball.getCurrent_X()+base.R/2<=desk_x+base.DESK_width)
{
ball.setBallBack();
}
else
gameIsover=true;
}
}
private void desk_Add_Values()
{
if(ball.get_X_Direction())//如果小球是向右移动
{
if(ball.getCurrent_X()>desk_x+base.DESK_width)
{
//desk_add=(width-desk_x-base.R-base.DESK_width)/(width-ball.getCurrent_X()+base.R);
desk_add=(ball.getCurrent_X()-desk_x)/5;
}
else if(ball.getCurrent_X()<desk_x)
{
desk_add=(ball.getCurrent_X()-desk_x)/5;
}
}
else//如果小球是向左移动的
{
if(desk_x>ball.getCurrent_X())
{
//desk_add=base.add*(desk_x-2)/(ball.getCurrent_X()+2);
desk_add=(ball.getCurrent_X()-desk_x)/5;
}
else if(ball.getCurrent_X()>desk_x)
{
desk_add=(ball.getCurrent_X()-desk_x)/5;
}
}
}
private void customStart()
{
if(desk_add_start)//启动计算方法
{
desk_Add_Values();
System.out.println(desk_add);
desk_add_start=false;
}
if(ball.getCurrent_X()+base.R/2>=desk_x&&ball.getCurrent_X()<desk_x+base.DESK_width)
{
desk_x=ball.getCurrent_X()+base.R/2-base.DESK_width/2;
if(desk_x<0)
desk_x=0;
else if(desk_x+base.DESK_width>width)
desk_x=width-base.DESK_width;
}
else
{
desk_x+=desk_add;
}
}
}
public void startSmort(boolean start)
{
smortStart=start;
desk_add_start=true;
}
}
package com.ball;
public class base
{
public final static int R=10;//小球的半径
public final static int add=10;
public final static int LEFT=-3;
public final static int LEFT_x=52;
public final static int RIGHT=-4;
public final static int RIGHT_x=54;
public final static int DESK_width=30;
public final static int DESK_hight=6;
}
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