import java.applet.*;
import java.awt.*;
import java.awt.event.*;
class add方块 extends Canvas{
aa a;
add方块(aa o){
a=o;
setSize(301,451);
}
public void paint(Graphics g){
for(int i=0;i<a.a.length;i++){
for(int i1=0;i1<a.a[i].length;i1++){
if(a.a[i][i1]){
g.setColor(new Color(0xaaaaaa));
g.fillRect((i1+a.n[0])*10,(i+a.n[1])*10,10,10);
g.setColor(new Color(0x333333));
g.drawRect((i1+a.n[0])*10,(i+a.n[1])*10,10,10);
}
}
}
for(int i=0;i<46;i++){
for(int i1=0;i1<30;i1++){
if(a.墙的数据[i][i1]){
g.setColor(new Color(0xcccccc));
g.fillRect(i1*10,i*10,10,10);
g.setColor(new Color(0x666666));
g.drawRect(i1*10,i*10,10,10);
}
}
}
}
}
public class aa extends Applet implements KeyListener,Runnable{
private Panel p1;
private add方块 f;
Thread settime;
private int 速度=300;
public int n[]={13,0};
public boolean 墙的数据[][]=new boolean[46][30];
private boolean a1[][]={{false,true,true,false},{false,true,false,false},{false,true,false,false},{false,false,false,false}};
private boolean a2[][]={{false,true,false,false},{false,true,false,false},{false,true,false,false},{false,true,false,false}};
private boolean a3[][]={{false,false,false,false},{false,true,true,false},{false,true,true,false},{false,false,false,false}};
private boolean a4[][]={{false,true,false,false},{false,true,true,false},{false,true,false,false},{false,false,false,false}};
public boolean a[][]=a4;
public void run(){
while(true){
try{
settime.sleep(速度);
}catch(InterruptedException e){}
if(测试碰撞()){
for(int i=0;i<4;i++){
for(int p=0;p<4;p++){
if(a[i][p]){墙的数据[i+n[1]][p+n[0]]=true;}
}
}
n[0]=13;
n[1]=-1;
int x=(int) (Math.random()*4);
if(x==0){a=a1;}else if(x==1){a=a2;}else if(x==2){a=a3;}else{a=a4;}
}
n[1]++;
f.repaint();
}
}
private boolean 测试碰撞(){
for(int i=0;i<4;i++){
for(int p=0;p<4;p++){
if(a[i][p]==true && 墙的数据[i+n[1]+1][p+n[0]]==true){return true;}
}
}
return false;
}
public void init(){
for(int i=0;i<46;i++){
for(int o=0;o<30;o++){
墙的数据[i][o]=false;
}
}
for(int o=0;o<30;o++){
墙的数据[44][o]=true;
}
setBackground(new Color(0x88000000,true));
setLayout(null);
p1=new Panel(null);
p1.setBackground(new Color(0xffffff));
p1.setBounds(20,20,301,451);
add(p1);
f=new add方块(this);
p1.add(f);
f.setLocation(0,0);
Button b=new Button("开始");
add(b);
b.setBounds(350,20,100,25);
b.addKeyListener(this);
settime=new Thread(this);
settime.start();
}
private
boolean[][] 转动(){
boolean ar[][]=new boolean[4][4];
for(int o=0;o<4;o++){
for(int i=3;i>=0;i--){
ar[o][3-i]=a[i][o];
}
}
return ar;
}
private void 左边界(){
if(n[0]<0){
int i=-n[0]-1;
for(int p=0;p<4;p++){
if(a[p][i]){
n[0]++;
return;
}
}
}
}
private void 右边界(){
if(n[0]>26){
int i=4-(n[0]-26);
for(int p=0;p<4;p++){
if(a[p][i]){
n[0]--;
return;
}
}
}
}
private boolean 左碰撞(){
for(int i=0;i<4;i++){
for(int p=0;p<4;p++){
if(p+n[0]-1>=0){
if(a[i][p]==true && 墙的数据[i+n[1]][p+n[0]-1]==true){return false;}
}
}
}
return true;
}
private boolean 右碰撞(){
for(int i=0;i<4;i++){
for(int p=0;p<4;p++){
if(p+n[0]-1<=30){
if(a[i][p]==true && 墙的数据[i+n[1]][p+n[0]+1]==true){return false;}
}
}
}
return true;
}
public void keyPressed(KeyEvent e){
if(e.getKeyCode()==KeyEvent.VK_UP){
for(int i=0;i<3;i++){a=转动();}
for(int i=0;i<2;i++){
左边界();
右边界();
}
}else if(e.getKeyCode()==KeyEvent.VK_LEFT){
if(左碰撞()){n[0]--;}
左边界();
}else if(e.getKeyCode()==KeyEvent.VK_RIGHT){
n[0]++;
右边界();
}else if(e.getKeyCode()==KeyEvent.VK_DOWN){
速度=30;
}
f.repaint();
}
public void keyReleased(KeyEvent e){
if(e.getKeyCode()==KeyEvent.VK_DOWN){
速度=300;
}
}
public void keyTyped(KeyEvent e){}
}
2010-06-27 18:21
