Greenfoot

Question 1

What is the code used to make an enemy turn randomly?

Answer 1

turn((Greenfoot.getRandomNumber(180)-90)

Question 2

What is the code used to detect if the player is touching the collect?

Answer 2

if(isTouching(—–.class))

Question 3

What is the code used to make the collect disappear when touched by the player?

Answer 3

removeTouching(—–.class)

Question 4

What must be imported at the top of the counter code?

Answer 4

import java.awt.Color;

Question 5

What variables must be created at the top of the counter code?

Answer 5

int score = 0;

int amount = 0;

Question 6

What code is used to create the counter?

Answer 6

setImage(new GreenfootImage(“Score = “ + score, 20, Color:BLACK, Color:WHITE));

Question 7

What code is used in the counter code to add to the score?

Answer 7

public void addToScore(int amount)
{
score += amount
}

Question 8

What code is used in the counter code to allow the score to decrease?

Answer 8

public void loseLife()
{
score+=amount
}

Question 9

What is used in the player code to access the counter?

Answer 9

counter counter = (counter) getWorld().getObjects(counter.class).get(0);

Question 10

What is used in the player code to add 1 to the score?

Answer 10

counter.addToScore(1)