import greenfoot.*; // (World, Actor, GreenfootImage, and Greenfoot)
import java.util.Random;
/**
* Ghost Class
*
* Available functions (see Assignment document for explanations on what each function does):
* treeFront, treeAbove, treeBelow, treeToLeft, treeToRight,
* getDirection, setDirection,
* move,
* isScared,
* animate, animateDead, animateScared,
* getClara, getGhostHealer,
* isAboveMe, isBelowMe, isToMyLeft, isToMyRight,
* makeClaraDead,
* playGhostEatenSound,
* isPacmanIntroStillPlaying,
* wrapAroundWorld
*/
public class Ghost extends Character
{
//Movement of the ghosts
public final int UPNUMBER = 0;
public final int DOWNNUMBER = 1;
public final int RIGHTNUMBER = 2;
public final int LEFTNUMBER = 3;
// Movement constants
public final String UP = "up";
public final String DOWN = "down";
public final String LEFT = "left";
public final String RIGHT = "right";
//Add and initialise Ghost variables here
public boolean IntroSongPlayed = false;
int imageCounter = 0;
/**
* Act method, runs on every frame
*/
public void act()
{
//Make the Ghost do things here
playSoundOnce();
animateGhost();
ghostMovement();
trapped();
wrapAroundWorld();
}
//Give the Ghost functions here
private void playSoundOnce()
{
if (!IntroSongPlayed)
{
playPacmanIntro();
IntroSongPlayed = true;
}
}
private void animateGhost()
{
if (imageCounter==10) //Every 10 frames, she will animate.
{
animate();
imageCounter=0;
}
else imageCounter++;
}
private void ghostMovement()
{
Random rnd = new Random();
int randomNumber = rnd.nextInt(4)-1;
int direction = Greenfoot.getRandomNumber(4);
if (canGhostMove() && corners())
{
Greenfoot.getRandomNumber(4);
move(1);
}
if (canGhostMove() && straightLine())
{
Greenfoot.getRandomNumber(4);
move(1);
}
if (canGhostMove() && isIntersection())
{
Greenfoot.getRandomNumber(4);
move(1);
}
if (canGhostMove() && twoDirections())
{
Greenfoot.getRandomNumber(4);
move(1);
}
if (canGhostMove() && threeDirections())
{
Greenfoot.getRandomNumber(4);
move(1);
}
if (twoDirections())
{
switch (direction)
{
case UPNUMBER: setDirection(UP);
break;
case DOWNNUMBER: setDirection(DOWN);
break;
case RIGHTNUMBER: setDirection(RIGHT);
break;
case LEFTNUMBER: setDirection(LEFT);
break;
}
}
if (threeDirections())
{
switch (direction)
{
case UPNUMBER: setDirection(UP);
break;
case DOWNNUMBER: setDirection(DOWN);
break;
case RIGHTNUMBER: setDirection(RIGHT);
break;
case LEFTNUMBER: setDirection(LEFT);
break;
}
}
if (corners())
{
switch (direction)
{
case UPNUMBER: setDirection(UP);
break;
case DOWNNUMBER: setDirection(DOWN);
break;
case RIGHTNUMBER: setDirection(RIGHT);
break;
case LEFTNUMBER: setDirection(LEFT);
break;
}
}
if (isIntersection())
{
switch (direction)
{
case UPNUMBER: setDirection(UP);
break;
case DOWNNUMBER: setDirection(DOWN);
break;
case RIGHTNUMBER: setDirection(RIGHT);
break;
case LEFTNUMBER: setDirection(LEFT);
break;
}
}
}
public void trapped ()
{
if (treeAbove() && treeToRight() && treeBelow())
{
setDirection(LEFT);
}
}
private boolean canGhostMove()
{
if(!isPacmanIntroStillPlaying() && !treeFront() )
{
return true;
}
return false;
}
private boolean isIntersection()
{
if (!treeAbove() && !treeToRight() && !treeBelow() && !treeToLeft())
{
return true;
}
return false;
}
private void WhenGhostisScared()
{
if(isScared())
{
//move(1);
}
}
private boolean straightLine()
{
if ((treeAbove() && treeBelow()) || (treeToLeft() && treeToRight()))
{
return true;
}
return false;
}
private boolean threeDirections()
{
if (!treeAbove() && !treeBelow() && !treeToLeft() || (!treeAbove() && !treeBelow() && !treeToRight() || (!treeAbove() && !treeToRight() && !treeToLeft() || !treeBelow() && !treeToRight() && !treeToLeft())))
{
return true;
}
return false;
}
private boolean corners()
{
if (treeAbove() && treeToLeft() || (treeToLeft() && treeBelow() || (treeBelow() && treeToRight() || (treeToRight() && !treeAbove()))))
{
return true;
}
return false;
}
private boolean twoDirections()
{
if (!treeToLeft() && !treeToRight() && treeFront() || !treeAbove() && !treeBelow() && treeFront())
{
return true;
}
return false;
}
}
this is the code till now. can somebody help me what are missing?
