Test

Vraag 1 import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo) /** * Write a description of class LittleRedcap here. * * @author (your name) * @version (a version number or a date) */ public class LittleRedCap extends BaseClass { private int speed=1; private int turbo=5; public void keys() { if (Greenfoot.isKeyDown("left")) { setLocation(getX() - speed, getY()); setImage("redcapleft.gif"); } if (Greenfoot.isKeyDown("right")) { setLocation(getX() + speed, getY()); setImage("redcapright.gif"); } if (Greenfoot.isKeyDown("up")) { setLocation(getX(), getY() - speed); setImage("redcapbehind.gif"); } if (Greenfoot.isKeyDown("down")) { setLocation(getX(), getY() + speed); setImage("redcapfront.gif"); } } public void act() { { keys(); } if(Greenfoot.isKeyDown("t")) { speed=2; }else { speed=1; } } }

Vraag 2: Level 1: Onder public class lvl 1 extend world private int flowers=10; private int margin=50; Onder public lvl 1 makeFlowers(); private void makeFlowers() { for (int teller = 0;teller<flowers;teller++) { for (int teller2 =0;teller2<flowers;teller2++) { if(teller % 2 ==0) { addObject (new Flower(true), margin+(teller*30), margin+(teller2*30)); }else { addObject (new Flower(false), margin+(teller*30), margin+(teller2*30)); } } } } Flower class: import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo) /** * Write a description of class Flower here. * * @author (your name) * @version (a version number or a date) */ public class Flower extends BaseClass { public void act() { // Add your action code here. } public Flower(boolean poisonous) { if (poisonous==true) { setImage("sm-flower-blue.gif"); }else { setImage("sm-flower-pink.gif"); } } }

Vraag 3 Wolf class: import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo) /** * Write a description of class wolf here. * * @author (your name) * @version (a version number or a date) */ public class wolf extends LittleRedCap { private int marge=90; private int randomWalk = 5; public void act() { move(10); turnAtEdge(); walkRandom(); eatLittleRedCap(); } /** * turns the wolf unpredictable at the edge in another rotation. * * */ public void turnAtEdge() { int min=0; int max=90; if(atWorldEdge()) { if (getX()>570) { max=getRandomNumber(100,200); } if (getY()>570) { max=getRandomNumber(180,240); } if (getX()<30) { max=getRandomNumber(230,400); } if (getY()<30) { max=getRandomNumber(30,160); } setRotation(max); } } /** * causes a random walk */ public void walkRandom() { //we have to set +1 for the max because the max variable will be excluded int randomNumber = getRandomNumber(-randomWalk,randomWalk+1); setRotation(getRotation()+randomNumber); } public void eatLittleRedCap() { if(canSee(LittleRedCap.class)) { removeObject(LittleRedCap.class); } } } Baseclass: import greenfoot.*; import java.util.Random; import java.util.List; import java.util.ArrayList; /** * helpClass. This is the base class for all animals. In addition to the standard Actor * methods, it provides the ability to move and turn. * * @author Michael Kolling * @version 1.0 */ public class BaseClass extends Actor { private static final double WALKING_SPEED = 1.0; /** * Turn 'angle' degrees towards the right (clockwise). */ public void turn(int angle) { setRotation(getRotation() + angle); } /** * Move forward in the current direction. */ public void move() { double angle = Math.toRadians( getRotation() ); int x = (int) Math.round(getX() + Math.cos(angle) * WALKING_SPEED); int y = (int) Math.round(getY() + Math.sin(angle) * WALKING_SPEED); setLocation(x, y); } /** * Test if we are close to one of the edges of the world. Return true is we are. */ public boolean atWorldEdge() { if(getX() < 20 || getX() > getWorld().getWidth() - 20) return true; if(getY() < 20 || getY() > getWorld().getHeight() - 20) return true; else return false; } /** * Return true if we can see an object of class 'clss' right where we are. * False if there is no such object here. */ public boolean canSee(Class clss) { Actor actor = getOneObjectAtOffset(0, 0, clss); return actor != null; } /** * Try to eat an object of class 'clss'. This is only successful if there * is such an object where we currently are. Otherwise this method does * nothing. */ public void removeObject(Class clss) { Actor actor = getOneObjectAtOffset(0, 0, clss); if(actor != null) { getWorld().removeObject(actor); } } public int getRandomNumber(int min, int max) { Random random = new Random(); int n = random.nextInt(max-min) + min; return n; } }