KeyListener Help Needed for Tetris Game!
/*
* Tetris - Java Enhacned
* By: Kunnel Zachariah, Johnathan Smith, Johnathan Adkins
*/
import javax.swing.JFrame;
import java.awt.Color;
import java.awt.Graphics;
import javax.swing.Timer;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.KeyListener;
import java.awt.event.KeyEvent;
importstatic java.lang.Character.*;
import java.awt.*;
import java.awt.image.*;
import java.applet.*;
import java.lang.Math;
import java.lang.System;
import java.awt.event.*;
import javax.swing.*;
import java.util.Random;
import java.awt.event.KeyAdapter;
publicclass TetrisMainextends JFrameimplements KeyListener
{
int s;
int p;
int xPos;
int yPos;
int level = 1;
int lines = 0;
int score = 0;
int switchPiece;
privateboolean[] keys;
privateint SLEEP = 50;//bigger # = slower animation
private Timer timer;
int bologna = 11;
int posX[], posY[];
Color color;
boolean isSquare =false;
public TetrisMain()
{
setSize(550,710);
setBackground(Color.black);
setVisible(true);
getContentPane();
}
publicstaticvoid main( String args[] )
{
TetrisMain pongLab =new TetrisMain();
}
publicvoid paint (Graphics g)
{
s=0;
keys =newboolean[4];
this.addKeyListener(this);
g.setColor(Color.blue);
g.fillRect(0,0,550,710);
g.setColor(Color.black);
g.fillRect(0,0,460,600);
g.setColor(Color.blue);
g.setColor (Color.black);
g.setFont(new Font("Helvetica",Font.BOLD,14));
g.drawString ("Level: " + level, 485, 40);
g.drawString ("Lines: " + lines, 485, 80);
g.drawString ("Score: " + score, 485, 120);
ActionListener paintCaller =new ActionListener(){
publicvoid actionPerformed(ActionEvent event)
{
repaint();//recalls paint every SLEEP milliseconds
}
};
timer =new Timer(SLEEP, paintCaller);
timer.start();
while (bologna <= 30)
{
if ( keys[0] ==true )
{
//move left paddle up and draw it on the window
s+=3;
}
if ( keys[1] ==true )
{
//move left paddle down and draw it on the window
p+=3;
}
if ( keys[2] ==true )
{
s-=3;
}
if ( keys[3] ==true )
{
p-=3;
}
displayRandomPiece(g);
bologna++;
}
}
publicvoid drawGridVertical(Graphics g)
{
for(xPos = 0; xPos <=460; xPos+=23)
{
for(yPos=0; yPos <=600; yPos+=23)
{
g.drawLine(xPos,yPos,xPos,yPos);
}
}
}
publicvoid drawBlock(Graphics g)
{
ImageIcon animatedIcon1 =new ImageIcon("untitled.gif");
for(p =0; p <=530; p+=2)
{
animatedIcon1.paintIcon(this,g,s,p);
delay(100000);
}
}
publicvoid drawTpiece(Graphics g)
{
ImageIcon animatedIcon =new ImageIcon("tpiece.gif");
for(p =0; p <=530; p+=2)
{
animatedIcon.paintIcon(this,g,s,p);
delay(100000);
}
}
publicvoid drawZigZagpiece(Graphics g)
{
ImageIcon animatedIcon2 =new ImageIcon("zigzagpiece.gif");
for(p =0; p <=530; p+=2)
{
animatedIcon2.paintIcon(this,g,s,p);
delay(100000);
}
}
publicvoid Rectanglepiece(Graphics g)
{
ImageIcon animatedIcon3 =new ImageIcon("rectangle.gif");
for(p =0; p <=530; p+=2)
{
animatedIcon3.paintIcon(this,g,s,p);
delay(100000);
}
}
publicvoid Unknownpiece(Graphics g)
{
ImageIcon animatedIcon4 =new ImageIcon("unknownpiece.gif");
for(p =0; p <=530; p+=2)
{
animatedIcon4.paintIcon(this,g,s,p);
delay(100000);
}
}
publicvoid otherZigZagpiece(Graphics g)
{
ImageIcon animatedIcon5 =new ImageIcon("otherzigzagpiece.gif");
for(p =0; p <=530; p+=2)
{
animatedIcon5.paintIcon(this,g,s,p);
delay(100000);
}
}
publicvoid otherUnknownpiece(Graphics g)
{
ImageIcon animatedIcon6 =new ImageIcon("otherunknownpiece.gif");
for(p =0; p <=530; p+=2)
{
animatedIcon6.paintIcon(this,g,s,p);
delay(100000);
}
}
publicstaticvoid delay(double n)
{
for (double x = 0; x <= n; x += .01);
}
publicboolean keyPressed(Event e,int key)
{
if (key == Event.LEFT)
{
s=-1;
}
elseif (key == Event.RIGHT)
{
s+=1;
}
elseif (key == Event.UP)
{
p-=1;
}
elseif (key == Event.DOWN)
{
// fast=true;
}
elseif (key == Event.ESCAPE)
{
// ingame=false;
}
returntrue;
}
publicvoid keyPressed(KeyEvent e)
{
System.out.println("keypressed");
switch(toUpperCase(e.getKeyChar()))
{
case'W' : keys[0]=true;System.out.println("W keypressed");break;
case'Z' : keys[1]=true; System.out.println("z keypressed");break;
case'I' : keys[2]=true; System.out.println("i keypressed");break;
case'M' : keys[3]=true; System.out.println("m keypressed");break;
}
}
publicvoid keyReleased(KeyEvent e)
{
System.out.println("released");
switch(toUpperCase(e.getKeyChar()))
{
case'W' : keys[0]=true; System.out.println("W realeased");break;
case'Z' : keys[1]=true; System.out.println("Z realeased");break;
case'I' : keys[2]=true; System.out.println("i realeased");break;
case'M' : keys[3]=true; System.out.println("m realeased");break;
}
}
publicvoid keyTyped(KeyEvent e)
{
//no code needed here
}
publicvoid displayRandomPiece(Graphics g)
{
Random rand =new Random();
int c = rand.nextInt((7)+1);
switch(c)
{
case 1:
drawBlock(g);
break;
case 2:
drawTpiece(g);
break;
case 3:
drawZigZagpiece(g);
break;
case 4:
Rectanglepiece(g);
break;
case 5:
Unknownpiece(g);
break;
case 6:
otherZigZagpiece(g);
break;
case 7:
otherUnknownpiece(g);
break;
}
}
}
This is my code so far for Tetris. I am having issues with my keylisteners! I keep pressing the specified keys and the println statements wont show up or the piece wont move! i really need major help. can anyone give me some advice
Much Thanks,
Chris!
