protected override void computeTargetTile(PacMan pac, Ghost ghost)
{
//We target a different point according to the mode
switch (this.mode)
{
case Mode.Scatter:
target = new Position(-1, 2); //We target a fixed point in a corner
break;
case Mode.StayIn:
target = new Position(14, 14); //We target the center of the square to stay in it
break;
case Mode.GoOut: //We target outside of the square
target = new Position(0, 14);
break;
case Mode.Normal:
//This ghost targets four tiles ahead of the pacman
Position pos = fourAhead(pac.getState(), pac.getPosition());
if (pac.getState() == State.Up)
{
//According to an overflow bug in the original version,
//When the pacman is heading up, the target was also four tiles to the left.
//For a purpose of keeping the same artificial intelligence, we decided to keep this
//even though it does not causes any bug today.
pos.setPosY(pos.getPosY() - 4);
}
target = pos;
break;
}
}
//Overriding computeTargetTile so that we can have a different target
protected override void computeTargetTile(PacMan pac, Ghost ghost)
{
switch (this.mode)
{
case Mode.Scatter: //If we are in Scatter mode, we target a fixed point in the corner of the map
target = new Position(32, 28);
break;
case Mode.StayIn: //We stay in the center
target = new Position(14, 14);
break;
case Mode.GoOut: //We target outside the center
target = new Position(0, 14);
break;
case Mode.Normal: //We chase the player
//This ghost target two tiles ahead of the pacman, and create a vector from this
//new position and the position of the red ghost, this vector timed by 2 gives
//The target of the blue ghost.
Position tmp = twoAhead(pac.getState(), pac.getPosition());
int xg = ghost.getPosition().getPosX();
int yg = ghost.getPosition().getPosY();
int xp = pac.getPosition().getPosX();
int yp = pac.getPosition().getPosY();
target = new Position(2 * xp - xg, 2 * yp - yg);
break;
}
}
