1.4-NetworkGame/src/model/objects/Ball.java

package model.objects;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.geom.Ellipse2D;

import main.Window;

public class Ball {
	private Color color;
	private int size, bounceheight, direction;
	private Ellipse2D.Double bal;

	double rx, ry; 			// position
	double vx, vy; 	// velocity

	public Ball(int size, int bounceheight, Color color, int x, int y, int direction, double velocity) {
		this.color = color;
		this.size = size*20;
		this.bounceheight = bounceheight;
		this.direction = direction;
		this.vx = direction*3;
		this.vy = velocity;
		setDirection(direction);
		rx = x;
		ry = y;
		bal = new Ellipse2D.Double(x, y, this.size, this.size);
	}

	public boolean hitLine(ShootingLine l){
		return bal.intersects(l.getX(), l.getY()-l.getHeight(), l.getWidth(), l.getHeight());
	}
	
	public boolean hitPlayer(Player p){
		return bal.intersects(p.getX(),p.getY(),p.getWidth(),p.getHeigth());
	}
	
	public Ball clone(){
		return new Ball(getSize(), getBounceHeight(), getColor(), getX(), getY(), direction, vy);
	}
	
	//** Drawing and Calculating **//
	
	public void paint(Graphics2D g2d) {
		g2d.setColor(color);
		g2d.fill(bal);
		g2d.drawLine(0, 600-bounceheight, 500, 600-bounceheight);
	}

	public void update() {
		if (rx >= (Window.WIDTH - size - 10))
			vx = -3;
		else if (rx <= 10)
			vx =3;
		
		vy += 0.5;
		
		if(ry+size < 600-bounceheight && vy < 0)
		{
			vy +=0.5;
		}
		else if(ry+size < 600-bounceheight && vy > 0)
		{
			vy -=0.2;
		}

		if (ry >= (600-size))
			vy *= -1;
		
		rx += vx;
		ry += vy;
		setX((int) rx);
		setY((int) ry);
	}
	
	//** Getters and Setters **//
	
	public int getSize() {
		return size/20;
	}

	public int getBounceHeight() {
		return bounceheight;
	}

	public int getX() {
		return (int) bal.getX();
	}

	public int getY() {
		return (int) bal.getY();
	}

	public int getWidth() {
		return (int) bal.getWidth();
	}

	public int getHeight() {
		return (int) bal.getHeight();
	}
	
	public Color getColor() {
		return color;
	}

	public void setX(int x) {
		bal.setFrame(x, getY(), getWidth(), getHeight());
	}

	public void setY(int y) {
		bal.setFrame(getX(), y, getWidth(), getHeight());
	}
	
	public void setDirection(int d){
		if(d == -1 || d == 1){
			direction = d;
			vx = d*3;
		}
	}
	
	public double getYSpeed()
	{
		return vy;
	}
	
}