flappybird.java

import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)

/**
 * Write a description of class flappybird here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class FlappyBird extends World
{
    GreenfootImage bgImage = new GreenfootImage("background.png");
    Ground ground;
    Pipe Pipe;
    int pipeCount=0;

    /**
     * Constructor for objects of class flappybird.
     *
     */
    public FlappyBird()
    {
        // Create a new world with 600x400 cells with a cell size of 1x1 pixels.
        super(600, 400, 1,false);
        setBackground(bgImage);
        populate();
        setPaintOrder(Ground.class, Bird.class, Pipe.class);
    }

    public void act()
    {
        createPipe();
        createGround();
    }

    public void populate()
    {
        Bird bird = new Bird();
        addObject(bird, 80, 200);

        ground = new Ground();
        addObject(ground, 309, getHeight()-25);
    }

    private void createGround() {
        if (getObjects(Ground.class).size()<3) {
            Ground additionalGround = new Ground();
            addObject(additionalGround, 905, getHeight()-25);
        }
    }

    public void createPipe() {
        Pipe topPipe = new Pipe("top");
        Pipe botPipe = new Pipe("bottom");
        int pipeSpacing =150;
        GreenfootImage image = botPipe.getImage();
        int numofpipes= Greenfoot.getRandomNumber(10)+4;

        pipeCount++;

        if (pipeCount> 50) {
            if(getObjects(Pipe.class).size()<numofpipes) {
                addObject(botPipe,getWidth(),getHeight()/2+image.getHeight()-Greenfoot.getRandomNumber(100)-10);
                addObject(topPipe,getWidth(),botPipe.getY()-image.getHeight()-pipeSpacing);
            }
            pipeCount=0;
        }
    }
}