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Balls.java
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Balls.java
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import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
public class Balls extends Rectangle {
Random random;
int xVelocity;
int yVelocity;
int initialSpeed = 2;
Balls(int x,int y, int width , int height){
super(x,y,width,height);
random = new Random();
int randomXDirection = random.nextInt(2);
if(randomXDirection == 0 )
randomXDirection--;
setXDirection(randomXDirection*initialSpeed);
int randomYDirection = random.nextInt(2);
if(randomYDirection == 0 )
randomYDirection--;
setYDirection(randomYDirection*initialSpeed);
}
public void setXDirection(int randomXDirection) {
xVelocity = randomXDirection;
}
public void setYDirection(int randomYDirection) {
yVelocity = randomYDirection;
}
public void move() {
x += xVelocity;
y += yVelocity;
}
public void draw(Graphics g) {
g.setColor(Color.WHITE);
g.fillOval(x, y, height, width);
}
}