1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)import java.util.ArrayList;import java.util.Random; /** * Write a description of class Bg here. * * @author (your name) * @version (a version number or a date) */public class Bg extends World{ArrayList dynamicArray = new ArrayList(6); public Bg() { super(600, 400, 1); for(int i =0;i <6;i++){ int x = Greenfoot.getRandomNumber(getWidth()); int y = Greenfoot.getRandomNumber(getHeight()); Actor[] actor ={new blue(), new green(),new orange(),new red(), new violet(), new yellow()}; int ColorNumber = Greenfoot.getRandomNumber(6); addObject(actor[ColorNumber],x, y); System.out.println(actor[ColorNumber]); } if(!getObjects(blue.class).isEmpty()){ int color= getObjects(blue.class).size(); for(int i = 0; i<color;i++){ dynamicArray.add(new blue()); System.out.println("blue is not null");} } if(!getObjects(green.class).isEmpty()){ int color= getObjects(green.class).size(); for(int i = 0; i<color;i++){ dynamicArray.add(new green()); System.out.println("green is not null");} } if(!getObjects(orange.class).isEmpty()){ int color= getObjects(orange.class).size(); for(int i = 0; i<color;i++){ dynamicArray.add(new orange()); System.out.println("orange is not null");} } if(!getObjects(red.class).isEmpty()){ int color= getObjects(red.class).size(); for(int i = 0; i<color;i++){ dynamicArray.add(new red()); System.out.println("red is not null");} } if(!getObjects(violet.class).isEmpty()){ int color= getObjects(violet.class).size(); for(int i = 0; i<color;i++){ dynamicArray.add(new violet()); System.out.println("violet is not null");} } if(!getObjects(yellow.class).isEmpty()){ int color= getObjects(yellow.class).size(); for(int i = 0; i<color;i++){ dynamicArray.add(new yellow()); System.out.println("yellow is not null");} } Random generator = new Random(); String a= dynamicArray.get(generator.nextInt(dynamicArray.size())).toString(); addObject(a,50,50); System.out.println(a); } } |
