void Snake::detectCrash()
{
QAnimatedPixmapItem* head = snakelist.first();
QList<QGraphicsItem *> l = head->collidingItems();
for (QList<QGraphicsItem *>::Iterator it=l.begin(); it!=l.end(); ++it) {
QGraphicsItem* item = *it;
// check if snake ate a mouse
if ( item->type() == mouse_rtti && item->collidesWithItem(head) ) {
delete item;
emit ateMouse();
grow++; // make the snake grow the next time it moves
setScore(5);
return;
}
// check if snake hit a wall
if ( item->type() == wall_rtti && item->collidesWithItem(head) ) {
emit dead();
autoMoveTimer->stop();
return;
}
}
// check if snake hit itself
for (int i = 3; i < snakelist.count(); i++) {
if (head->collidesWithItem(snakelist.at(i)) ) {
emit dead();
autoMoveTimer->stop();
return;
}
}
}
