/**
* check if human collides with a ghost
*
* @param game
* @return the ghost where the human collides with
*/
public Ghost checkGhostCollision(Game game) {
// ghost collision
for (Ghost ghost : game.getGhosts()) {
if (!ghost.getRip() && !ghost.getDead()) {
if (checkHitboxCollision(this.getPosition(), 90, 90, ghost.getPosition(), 90, 90)) {
return ghost;
}
}
}
return null;
}
public void update(List<Point> ghostPositions) {
for (int i = 0; i < ghosts.size(); ++i) {
Ghost ghost = ghosts.get(i);
Cell currentCell = getCell(ghost.getPosition());
Cell newCell = getCell(ghostPositions.get(i));
if (!currentCell.equals(newCell)) {
grid.get(currentCell.row).get(currentCell.column).remove(ghost);
grid.get(newCell.row).get(newCell.column).add(ghost);
}
}
}
private void build(List<Ghost> ghosts) {
grid = new ArrayList<List<List<Ghost>>>();
for (int i = 0; i < nRows; ++i) {
List<List<Ghost>> columns = new ArrayList<List<Ghost>>();
for (int j = 0; j < nColumns; ++j) {
columns.add(new LinkedList<Ghost>());
}
grid.add(columns);
}
for (Ghost ghost : ghosts) {
Cell c = getCell(ghost.getPosition());
grid.get(c.row).get(c.column).add(ghost);
}
}