NewbJava wrote...
If it is a subclass of MyWorld it wouldn't have a super call.
NewbJava wrote ...
2020/12/1
Highscore
Yes -- it needs a super call with dimensions of MeteorWorld. MyWorld has been given 2 constructors -- one for the initial world which sets up the scoring and the other (with dimensions) to avoid resetting the high score.
danpost wrote...
NewbJava wrote...
If it is a subclass of MyWorld it wouldn't have a super call.danpost wrote...
NewbJava wrote...
If it is a subclass of MyWorld it wouldn't have a super call.import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
public class MeteorsWorld extends MyWorld
{
/**
* Constructor for objects of class MeteorsWorld.
*
*/
public MeteorsWorld()
{
// Create a new world with 600x400 cells with a cell size of 1x1 pixels.
super(600, 400, 1);
}
public void addMeteor()
{
addObject(new Meteors(),getWidth()-1,Greenfoot.getRandomNumber(getHeight()));
}
private void prepare()
{
Rocket Rocket = new Rocket();
addObject(Rocket,100,200);
Rocket.setLocation(70,200);
addObject(scoreboard,55,380);
addObject(highscore,525,25);
}
public void Switchscreen()
{
boolean noRockets = getObjects(Rocket.class).isEmpty();
if (noRockets == true)
{
Greenfoot.setWorld(new Playagain());
}
}
}import greenfoot.*;
public class MyWorld extends World
{
static Actor scoreDisplay;
static Actor highScoreDisplay;
public static int score;
static int highScore;
Scoreboard scoreboard = new Scoreboard();
HighScore highscore = new HighScore();
public MyWorld()
{
super(600, 400, 1, false);
prepare();
scoreDisplay = new Scoreboard();
highScoreDisplay = new HighScore();
score = -1;
highScore = -1;
adjustScore(1);
}
static void adjustScore(int amt)
{
score += amt;
GreenfootImage img = new GreenfootImage("Score: "+score, 24, Color.RED, Color.BLACK);
if (score > highScore)
{
highScore = score;
img = new GreenfootImage("High score: "+highScore, 24, Color.RED, Color.BLACK);
highScoreDisplay.setImage(img);
}
}
public void act()
{
Switchscreen();
if(Greenfoot.getRandomNumber(20)<1)
{
addMeteor();
}
}
public Scoreboard getScoreboard()
{
return scoreboard;
}
}
import greenfoot.*;
public class Meteors extends Obstacles
{
MyWorld thisGame;
public void act()
{
move();
meteor();
remove();
}
public void meteor()
{
Actor lasars = getOneIntersectingObject(Lasars.class);
if(lasars != null)
{
World MyWorld = getWorld();
MyWorld myWorld = (MyWorld)MyWorld;
Scoreboard scoreboard = myWorld.getScoreboard();
scoreboard.addscore();
getWorld().removeObject(lasars);
for(int i=0;i<10;i++)
{
int posx=-20+Greenfoot.getRandomNumber(40);
int posy=-20+Greenfoot.getRandomNumber(40);
getWorld().addObject(new Animate(getImage()),getX()+posx,getY()+posy);
}
getWorld().addObject(new Explosion(),getX(),getY());
toRemove=true;
}
}
}
danpost wrote...
NewbJava wrote...
If it is a subclass of MyWorld it wouldn't have a super call.NewbJava wrote...
is this now correct?danpost wrote...
NewbJava wrote...
is this now correct?import greenfoot.*;
public class MyWorld extends World
{
static Actor scoreDisplay;
static Actor highScoreDisplay;
public static int score;
static int highScore;
public MyWorld()
{
super(600, 400, 1, false);
scoreDisplay = new Scoreboard();
highScoreDisplay = new HighScore();
score = -1;
highScore = -1;
adjustScore(1);
}
static void adjustScore(int amt)
{
score += amt;
GreenfootImage img = new GreenfootImage("Score: "+score, 24, Color.RED, Color.BLACK);
if (score > highScore)
{
highScore = score;
img = new GreenfootImage("High score: "+highScore, 24, Color.RED, Color.BLACK);
highScoreDisplay.setImage(img);
}
}
public void act()
{
Greenfoot.setWorld(new MeteorsWorld());
}
}danpost wrote...
NewbJava wrote...
is this now correct?Now, call prepare from MeteorsWorld constructor. Also include lines to add the display actors into your MeteorsWorld world.
danpost wrote...
Now, call prepare from MeteorsWorld constructor. Also include lines to add the display actors into your MeteorsWorld world.NewbJava wrote...
when I called the prepare method and put it into the act() method in MyWorld there was error saying " cannot find symbol method prepare() "danpost wrote...
Now, call prepare from MeteorsWorld constructor. Also include lines to add the display actors into your MeteorsWorld world.import greenfoot.*;
public class MyWorld extends World
{
static Actor scoreDisplay;
static Actor highScoreDisplay;
public static int score;
static int highScore;
public MyWorld()
{
super(600, 400, 1, false);
scoreDisplay = new Scoreboard();
highScoreDisplay = new HighScore();
score = -1;
highScore = -1;
adjustScore(1);
}
static void adjustScore(int amt)
{
score += amt;
GreenfootImage img = new GreenfootImage("Score: "+score, 24, Color.RED, Color.BLACK);
if (score > highScore)
{
highScore = score;
img = new GreenfootImage("High score: "+highScore, 24, Color.RED, Color.BLACK);
highScoreDisplay.setImage(img);
}
}
public void act()
{
Greenfoot.setWorld(new MeteorsWorld());
prepare();
}
}danpost wrote...
NewbJava wrote...
when I called the prepare method and put it into the act() method in MyWorld there was error saying " cannot find symbol method prepare() "public class MeteorsWorld extends MyWorld
{
/**
* Constructor for objects of class MeteorsWorld.
*
*/
public MeteorsWorld()
{
// Create a new world with 600x400 cells with a cell size of 1x1 pixels.
super(600, 400, 1);
prepare();
}
public void addMeteor()
{
addObject(new Meteors(),getWidth()-1,Greenfoot.getRandomNumber(getHeight()));
}
private void prepare()
{
Rocket Rocket = new Rocket();
addObject(Rocket,100,200);
Rocket.setLocation(70,200);
addObject(scoreboard,55,380);
addObject(highscore,525,25);
}
public void Switchscreen()
{
boolean noRockets = getObjects(Rocket.class).isEmpty();
if (noRockets == true)
{
Greenfoot.setWorld(new Playagain());
}
}
}danpost wrote...
NewbJava wrote...
when I called the prepare method and put it into the act() method in MyWorld there was error saying " cannot find symbol method prepare() "There are more replies on the next page.