void Particle::advance(int phase){
if(active()) {
QVector2D force;
foreach(Planet* planet, gameScene()->planets()) {
QVector2D r = QVector2D(this->position() - planet->position());
// save the length and lengthSquared to memory to avoid recalculations (with square roots!)
// double distance = r.length();
double distanceSquared = r.lengthSquared();
QVector2D rn = r.normalized();
if(distanceSquared != 0) {
QVector2D gravity = - rn * GravityConstant * planet->mass() / distanceSquared;
force += gravity;
if (r.lengthSquared() < planet->radius()*planet->radius()) { //Vj: Temporary fix while testing :O)
planet->collideWithParticle();
gameScene()->removeParticle(this);
return;
}
}
}
QVector2D acceleration = force / 1.0;
_velocity += acceleration * gameScene()->dt();
_position += _velocity * gameScene()->dt();
resized();
}
void PhysicalItem::createBody() {
if (body_ != nullptr)
throw new std::logic_error("A body has already been created.");
b2BodyDef bodyDef;
defineBody(bodyDef);
bodyDef.type = b2_dynamicBody;
bodyDef.userData = reinterpret_cast<void*>(this); // For CollisionCallback
bodyDef.position = gameScene()->mapToWorld(scenePos());
this->body_ = gameScene()->world()->CreateBody(&bodyDef); // Copies content of bodyDef
b2FixtureDef fixtureDef;
defineFixture(fixtureDef);
fixtureDef.shape = createShape();
body_->CreateFixture(&fixtureDef); // Deep copies fixtureDef.
delete fixtureDef.shape;
}
void MenusScene::SwitchToGame()
{
std::vector<ProbenderData> contestantData;
KinectBody* body = player1Nav.GetBody();
Player1Data.BaseAttributes.SetAllAttributes(10, 10, 10, 10, 10, 10);
Player2Data.BaseAttributes.SetAllAttributes(10, 10, 10, 10, 10, 10);
if(body)
Player1Data.BodyID = -1;// body->GetBodyID();
else
Player1Data.BodyID = -1;
body = player2Nav.GetBody();
if(body)
Player2Data.BodyID = -1;// body->GetBodyID();
else
Player2Data.BodyID = -1;
contestantData.push_back(Player1Data);
contestantData.push_back(Player2Data);
std::shared_ptr<GameScene> gameScene(new GameScene(owningManager, Ogre::Root::getSingletonPtr(), "Probending Arena", contestantData));
owningManager->FlagSceneSwitch(gameScene, true);
gameScene.reset();
}
void PhysicalItem::advance(int phase) {
// phase 0: The scene is about to advance
// phase 1: The scene is advancing
if (phase == 0) return;
if (body_ != nullptr and body_->IsAwake()) {
setPos(gameScene()->mapFromWorld(body_->GetPosition()));
setRotation(qRadiansToDegrees(body_->GetAngle()));
}
QGraphicsItem::advance(phase); // Advance children
}
void PhysicalItem::destroyBody() {
if (body_ == nullptr)
return; // Not created yet or already destroyed
gameScene()->world()->DestroyBody(body_);
body_ = nullptr;
}
