void Level_1::createFirstSnake()
{
snake = new Snake;
QGraphicsEllipseItem* item1 = createEllipse(100, 170, 14, 14, QPen(Qt::black), QBrush(Qt::black));
QGraphicsEllipseItem* item2 = createEllipse(86, 170, 14, 14, QPen(Qt::black), QBrush (Qt::darkGray));
QGraphicsEllipseItem* item3 = createEllipse(72, 170, 14, 14, QPen(Qt::black), QBrush (Qt::darkGray));
QGraphicsEllipseItem* item4 = createEllipse(58, 170, 14, 14, QPen(Qt::black), QBrush (Qt::darkGray));
snake->balls->append(QList<QGraphicsEllipseItem*>() << item1 << item2 << item3 << item4);
snake->length = 4;
scene->addItem(item1);
scene->addItem(item2);
scene->addItem(item3);
scene->addItem(item4);
}
// ---
QGAMES::Ellipse* QGAMES::ObjectBuilder::readEllipse (TiXmlElement* e)
{
int id = -1;
double vX, vY, vZ, r1, r2;
vX = vY = vZ = r1 = r2 = 0.0;
std::string color (__NULL_STRING__);
std::map <std::string, std::string> pties;
e -> Attribute (__QGAMES_ELLIPSEATTRID__, &id);
e -> Attribute (__QGAMES_ELLIPSEATTRVX__, &vX);
e -> Attribute (__QGAMES_ELLIPSEATTRVY__, &vY);
e -> Attribute (__QGAMES_ELLIPSEATTRVZ__, &vZ);
e -> Attribute (__QGAMES_ELLIPSEATTRR1__, &r1);
e -> Attribute (__QGAMES_ELLIPSEATTRR2__, &r2);
color = e -> Attribute (__QGAMES_ELLIPSEATTRCOLOR__);
assert (id != -1);
// Read the attributes...if any
for (TiXmlElement* groupElement = e -> FirstChildElement ();
groupElement != NULL; groupElement = groupElement -> NextSiblingElement ())
if (strcmp (groupElement -> Value (), __QGAMES_ATTRSBLOCK__) == 0)
pties = readPropertiesSection (groupElement);
// Creates the ellipse and returns...
return (createEllipse (id, QGAMES::Position::_cero, QGAMES::Vector (__BD vX, __BD vY, __BD vZ),
__BD r1, __BD r2, QGAMES::Color (color), pties));
}
/**
* Draws a rotated ellipse arc.
*/
void RS_PainterQt::drawEllipse(const RS_Vector& cp,
double radius1, double radius2,
double angle,
double a1, double a2,
bool reversed) {
QPolygon pa;
createEllipse(pa, cp, radius1, radius2, angle, a1, a2, reversed);
drawPolyline(pa);
}
void Level_1::onAppleIntersection()
{
bool result = throwApple();
while (result)
result = throwApple();
emit applesCountChanged(++applesCount);
QGraphicsEllipseItem *item = createEllipse(snake->balls->at(snake->length - 1)->rect().x()
, snake->balls->at(snake->length - 1)->rect().y(), 14, 14, QPen(Qt::black), QBrush(Qt::darkGray));
snake->balls->append(item);
snake->length++;
scene->addItem(item);
}
Level_1::Level_1(QWidget *parent)
{
level = 1;
maxApplesOnLevel = 1;
levelSpeed = 300;
walls = new QList<QGraphicsPolygonItem*>;
scene = new QGraphicsScene(this);
setScene(scene);
scene->setSceneRect(0, 0, 750, 365);
createFirstSnake();
connect(&gameTimer, SIGNAL(timeout()), this, SLOT(snakeMovement()));
gameTimer.start(levelSpeed);
apple = createEllipse(10, 10, 14, 14, QPen(Qt::black), QBrush(Qt::green));
applesCount = 0;
throwApple();
scene->addItem(apple);
}
Path Path::createCircle(const FloatPoint& center, float r)
{
return createEllipse(center, r, r);
}