void Snake::move(Direction dir)
{
autoMoveTimer->start(speed);
int x = 0;
int y = 0;
newdir = dir;
switch (dir) {
case right: x = 16; break;
case left: x = -16; break;
case down: y = 16; break;
case up: y = -16; break;
}
int index = lookUpPiece(currentdir, newdir);
QCanvasSprite* sprite = new QCanvasSprite(snakeparts, canvas );
sprite->setFrame(index);
snakelist.insert(1, sprite);
sprite->move(snakelist.first()->x(), snakelist.first()->y() );
snakelist.first()->moveBy(x, y);
if (grow <= 0)
changeTail();
else
grow--;
sprite->show();
currentdir = dir;
}
void KGrCanvas::makeEnemySprite (int i, int j, int startFrame)
{
QCanvasSprite * enemySprite = new QCanvasSprite (enemyArray, field);
enemySprites->append (enemySprite);
// In KGoldrunner, the top-left visible cell is [1,1] --- in QCanvas [2,2].
i++; j++;
enemySprite->move (i * 4 * STEP, j * 4 * STEP, startFrame);
enemySprite->setZ (2);
enemySprite->show();
}
void Snake::detectCrash()
{
QCanvasSprite* head = snakelist.first();
QCanvasItem* item;
QCanvasItemList l=head->collisions(FALSE);
for (QCanvasItemList::Iterator it=l.begin(); it!=l.end(); ++it) {
item = *it;
// check if snake hit target
if ( (item->rtti()== 1500 ) && (item->collidesWith(head)) ) {
Target* target = (Target*) item;
target->done();
emit targethit();
extendSnake();
setScore(5);
return;
}
// check if snake hit obstacles
if ( (item->rtti()==1600) && (item->collidesWith(head)) ) {
emit dead();
autoMoveTimer->stop();
return;
}
}
//check if snake hit itself
for (uint i = 3; i < snakelist.count(); i++) {
if (head->collidesWith(snakelist.at(i)) ) {
emit dead();
autoMoveTimer->stop();
return;
}
}
//check if snake hit edge
if ( (head->x() > canvas->width()-5) || (head->y() > canvas->height()-10)
|| (head->x() <2) || (head->y() <-5) ) {
emit dead();
autoMoveTimer->stop();
return;
}
}
void Snake::createSnake()
{
snakeparts = new QCanvasPixmapArray();
QString s0 = Opie::Core::OResource::findPixmap("snake/s0001");
s0.replace(QRegExp("0001"),"%1");
snakeparts->readPixmaps(s0, 15);
grow = 0;
last = Key_Right;
QCanvasSprite* head = new QCanvasSprite(snakeparts, canvas );
head->setFrame(7);
snakelist.insert(0, head);
head->show();
head->move(34, 16);
QCanvasSprite* body = new QCanvasSprite(snakeparts, canvas );
body->setFrame(6);
snakelist.append( body );
body->show();
body->move(18, 16);
QCanvasSprite* end = new QCanvasSprite(snakeparts, canvas );
end->setFrame(11);
snakelist.append( end );
end->show();
end->move(2, 16);
currentdir = right;
speed = 250;
autoMoveTimer->start(speed);
moveSnake();
}