I am given this code here
import greenfoot.*; // (World, Actor, GreenfootImage, and Greenfoot)
/**
* Wombat. A Wombat moves forward until it hits the edge of the world, at
* which point it turns left. If a wombat finds a leaf, it eats it.
*
* @author Michael Kölling
* @version 2.0
*/
public class Wombat extends Actor
{
private int leavesEaten;
public Wombat()
{
leavesEaten = 0;
}
/**
* Do whatever the wombat likes to to just now.
*/
public void act()
{
if (foundLeaf()) {
eatLeaf();
}
else if (canMove()) {
move();
}
else {
turnLeft();
}
}
/**
* Move one step forward.
*/
public void move()
{
move(1);
}
/**
* Turn left by 90 degrees.
*/
public void turnLeft()
{
turn(-90);
}
/**
* Check whether there is a leaf in the same cell as we are.
* Return true, if there is, false otherwise.
*/
public boolean foundLeaf()
{
Actor leaf = getOneObjectAtOffset(0, 0, Leaf.class);
return leaf != null;
}
/**
* Eat a leaf (if there is one in our cell).
*/
public void eatLeaf()
{
Actor leaf = getOneObjectAtOffset(0, 0, Leaf.class);
if (leaf != null) {
// eat the leaf...
getWorld().removeObject(leaf);
leavesEaten = leavesEaten + 1;
}
}
/**
* Set the direction we're facing. The 'direction' parameter must
* be in the range .
*/
public void setDirection(int direction)
{
if ((direction >= 0) && (direction <= 3)) {
setRotation(direction * 90);
}
}
/**
* Test if we can move forward. Return true if we can, false otherwise.
*/
public boolean canMove()
{
int rotation = getRotation();
int x = getX();
int y = getY();
boolean facingEdge = false;
switch (rotation) {
case 0:
facingEdge = (x == getWorld().getWidth() - 1);
break;
case 90:
facingEdge = (y == getWorld().getHeight() - 1);
break;
case 180:
facingEdge = (x == 0);
break;
case 270:
facingEdge = (y == 0);
break;
}
return !facingEdge;
}
/**
* Tell how many leaves we have eaten.
*/
public int getLeavesEaten()
{
return leavesEaten;
}
}
Once it hits the grid it just goes in a complete circle and im trying to get it to eat all of the leaves on its own how can i do that
