import java.applet.Applet;
import java.awt.Button;
import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.geom.Rectangle2D;


public class Pong2 extends Applet implements Runnable, KeyListener, ActionListener
{
	Button resetBtn;
    Thread animation;  //declares a thread called animation
    static final int REFRESH_RATE = 10;  //Constant for “delay”
    ball myBall = new ball(500,300);
    paddle leftPad = new paddle(20, 20, 300, 500);
    paddle rightPad = new paddle(480, 20, 300, 500);
    boolean bLeftUp=false, bLeftDown=false, bRightUp=false, bRightDown=false;
    private int leftScore;
    private int rightScore;

    //declare other class data members

    public void init()
    {
    	resetBtn = new Button("Reset Pong");
    	addKeyListener(this);
  		resetBtn.addActionListener(this);
  		add(resetBtn);
        setBackground( Color.black);
        addKeyListener(this);
        this.requestFocus();
    }
    
    public void paint(Graphics g)
    {
    	g.drawString("Left Score: "  , 20, 20);
    	g.drawString("Left Score: " + myBall.leftScore , myBall.appWidth/4, 20);
    	drawNiceBox(g, "RESET"  , 20,200, new Color(0, 255, 0, 100), new Color(0, 0, 0, 150), Color.BLACK, false);
		drawNiceBox(g, "Left Score: " + myBall.leftScore , myBall.appWidth/4, 20, new Color(0, 255, 0, 100), new Color(0, 0, 0, 150), Color.BLACK, false);
		drawNiceBox(g, "Right Score: " + myBall.rightScore , myBall.appWidth/2, 20, new Color(0, 255, 0, 100), new Color(0, 0, 0, 150), Color.BLACK, false);
		if(myBall.leftScore >= 10)
		{
			drawNiceBox(g, "LEFT WINS! " , 100, 50, new Color(230, 0, 0, 100), new Color(0, 0, 0, 150), Color.BLACK, false);
		//	System.out.print("left has won");
		}
		if(myBall.rightScore >= 10)
		{
			drawNiceBox(g, "RIGHT WINS! " , 100, 50, new Color(230, 0, 0, 100), new Color(0, 0, 0, 150), Color.BLACK, false);
		//	System.out.print("Right has won");
		}
    	myBall.draw(g);
    	leftPad.draw(g);
    	rightPad.draw(g);
    }
    public void start()
    {
    	animation = new Thread(this);
          if(animation != null)
          {
      animation.start();
          }
    }
    public void run()
    {
        while(true)
        {
            //put code that runs in loop here
            repaint();
            try
            {
            myBall.move();
            myBall.bounce(20, leftPad.yPos(), 480, rightPad.yPos(), 5, 200, 5, 200);

          //Left Paddle
            if(bLeftUp)
            {
            leftPad.moveUp();
            }
            else if(bLeftDown)
            {
            leftPad.moveDown();
            }

            //Right Paddle
            if(bRightUp)
            {
            rightPad.moveUp();
            }
            else if(bRightDown)
            {
            rightPad.moveDown();
            }
            repaint();
        Thread.sleep(REFRESH_RATE);
            }catch(Exception exc){};
        }
    }

    public void stop()
    {
    animation = null;
    }

//Pick up key pressed
public void keyPressed (KeyEvent e)
{
    char key = e.getKeyChar();
if((key == 'a') || (key == 'A'))
{
bLeftUp  = true;
}
else if((key == 'z') || (key == 'Z'))
{
bLeftDown  = true;
}


if((key == 'k') || (key == 'K'))
{
bRightUp  = true;
}
else if((key == 'm') || (key == 'M'))
{
bRightDown  = true;
}

}

public void keyReleased (KeyEvent ke)
{
char key = ke.getKeyChar();
if((key == 'a') || (key == 'A'))
{
bLeftUp  = false;
}
else if((key == 'z') || (key == 'Z'))
{
bLeftDown  = false;
}

if((key == 'k') || (key == 'K'))
{
bRightUp  = false;
}
else if((key == 'm') || (key == 'M'))
{
bRightDown  = false;
}
}

public void keyTyped (KeyEvent ke)
{

}

public void theScore()
{
	if(myBall.isRight())
	{
		rightPad.raiseScore();
	}
	if(myBall.isLeft())
	{
		leftPad.raiseScore();
	}
}
public void drawNiceBox(Graphics g, String text, int x, int y, Color col1, Color col2, Color col3, Boolean important) {
	int widthInPixels = 0;
	int height = 0;
	Rectangle2D bounds;
	if(important) {
		Font font = new Font("Arial", Font.BOLD, 16);
		FontMetrics metrics = new FontMetrics(font) {
		};
		bounds = metrics.getStringBounds(text, null);
		widthInPixels = (int) bounds.getWidth();
		g.setFont(font);
	}else{
		Font font = new Font("Arial", Font.PLAIN, 12);
		FontMetrics metrics = new FontMetrics(font) {
		};
		bounds = metrics.getStringBounds(text, null);
		widthInPixels = (int) bounds.getWidth();
		g.setFont(font);
	}
	height = (int) bounds.getHeight() + 6;
	g.setColor(col1);
	g.fill3DRect(x, y, widthInPixels+10, height, true);
	g.setColor(col2);
	g.drawRect(x-1, y-1, widthInPixels+11, height+1);
	g.setColor(new Color(col3.getRed(), col3.getGreen(), col3.getBlue(), 30));
	g.drawString(text, x+4, y+height-5);
	g.setColor(col3);
	g.drawString(text, x+5, y+height-6);
}

public void actionPerformed(ActionEvent e)
  {
      //Delete the SOPL and instead
      //put whatever code you want here
      //in pong, this would reset the scores to 0
      // and reset the ball back.
   leftPad.setScore(0);
   rightPad.setScore(0);
   
    this.requestFocus();
    repaint();

  }

}

import java.awt.*;
import java.applet.*;
import java.awt.event.*;

public class paddle
{
	private int x;
	private int y;
	private boolean bUp;
	private boolean bRight;
	private int distance;
	private int appWidth;
	private int appHeight;
	private int score;

	public paddle(int nXpos, int nYpos, int appletHeight, int appletWidth)
	{
		x = nXpos;
		y = nYpos;
		appWidth = appletWidth;
		appHeight = appletHeight;
		score = 0;
	}

	public void moveUp()
	{
		if(y < appHeight - 10)
		{
		y += 3;
		}
	}
	

	public void moveDown()
	{
		if(y > 0)
		{
			y -= 3;
		}
	}

	public void draw(Graphics g)
	{
		g.setColor(Color.red);
		g.fillRect(x,y,5,200);
	}
	
	public void raiseScore()
	{
		score++;
	}
	
	public void setScore(int x)
	{
		score = x;
	}
	
	public void reset()
	{
		score = 0;
	}

	public int yPos()
	{
		return y;
	}
	public int xPos()
	{
		return x;
	}
	
}

import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.geom.Rectangle2D;

public class ball
{
	public int x;
	public int y;
	private boolean bUp;
	private boolean bRight;
	private int distance;
	public int appWidth;
	public int appHeight;
	public int leftScore;
	public int rightScore;


	public ball(int width, int height)
	{
		x = 20 + (int)(Math.random()*200);
		y = 20 + (int)(Math.random()*200);
		appWidth = width;
		appHeight = height;
		bUp = false;
		bRight = true;
		distance = 1;
	}

	public void move()
	{
		if(bUp) // Ball is moving up
		{
			y = y + 3;
		}
		if(bRight) // Ball is going right
		{
			x = x + 3;
		}
		if(!bUp) // Ball is going down
		{
			y = y - 3;
		}
		if(!bRight)	//Ball is going left
		{
		 x = x - 3;
		}
	}

	public void bounce(int leftX, int leftY, int rightX, int rightY, int rightWidth, int rightHeight, int leftWidth, int leftHeight)
	{
		if(x >= appWidth) // Ball is moving off of the right side
		{
			bRight = false;
			rightScore++;
		}
		//perhaps x = 0 is left side?
		if(x <= 0)
		{
			bRight = true;
			leftScore++;
		}
		if(y <= 0) // Ball is hitting floor
		{
			bUp = true;
		}
		if(y >= appHeight) // ball is hitting ceiling
		{
			bUp = false;
		}
		if((y >= leftY && y <= leftY + leftHeight) && (x <= leftX && x<=leftX+leftWidth))
		{
			bRight = true;
		}
		if((y >= rightY && y <= rightY + rightHeight) && (x >= rightX && x<=rightX+rightWidth))
		{
			bRight = false;
		}
	}
	public void drawNiceBox(Graphics g, String text, int x, int y, Color col1, Color col2, Color col3, Boolean important) {
		int widthInPixels = 0;
		int height = 0;
		Rectangle2D bounds;
		if(important) {
			Font font = new Font("Arial", Font.BOLD, 16);
			FontMetrics metrics = new FontMetrics(font) {
			};
			bounds = metrics.getStringBounds(text, null);
			widthInPixels = (int) bounds.getWidth();
			g.setFont(font);
		}else{
			Font font = new Font("Arial", Font.PLAIN, 12);
			FontMetrics metrics = new FontMetrics(font) {
			};
			bounds = metrics.getStringBounds(text, null);
			widthInPixels = (int) bounds.getWidth();
			g.setFont(font);
		}
		height = (int) bounds.getHeight() + 6;
		g.setColor(col1);
		g.fill3DRect(x, y, widthInPixels+10, height, true);
		g.setColor(col2);
		g.drawRect(x-1, y-1, widthInPixels+11, height+1);
		g.setColor(new Color(col3.getRed(), col3.getGreen(), col3.getBlue(), 30));
		g.drawString(text, x+4, y+height-5);
		g.setColor(col3);
		g.drawString(text, x+5, y+height-6);
	}
	
	
public boolean isRight()
{
	if(x <= 0)
	{
		return true;
	}
	return false;
}
public boolean isLeft()
{
	if(x >= appWidth)
	{
		return true;
	}
	return false;
}
	public void draw(Graphics g)
	{
		g.setFont(new Font("AR BERKLEY", Font.ITALIC, 24));
		g.setColor(Color.blue);
		g.fillOval(x,y,10,10);
	}
}