void Bird::launch(b2Vec2 velocity)
{
invulnerability=false;
launched = true;
g_size = QSizeF(g_worldsize.height()*ratio,g_worldsize.height()*ratio);
QPointF mapped;
mapped.setX((g_pixmap.x()+g_pixmap.pixmap().width()/2)/g_windowsize.width()*g_worldsize.width());
mapped.setY((1.0f-(g_pixmap.y()+g_pixmap.pixmap().height()/2)/g_windowsize.height())*g_worldsize.height());
// Create Body
b2BodyDef bodydef;
bodydef.type = b2_dynamicBody;
bodydef.position.Set(mapped.x(),mapped.y());
bodydef.userData = this;
g_body = g_world->CreateBody(&bodydef);
b2CircleShape bodyshape;
bodyshape.m_radius = g_worldsize.height()*ratio/2;
b2FixtureDef fixturedef;
fixturedef.shape = &bodyshape;
fixturedef.density = BIRD_DENSITY;
fixturedef.friction = BIRD_FRICTION;
fixturedef.restitution = BIRD_RESTITUTION;
g_body->CreateFixture(&fixturedef);
g_body->SetAngularDamping(1);
g_body->SetLinearVelocity(velocity);
connect(g_timer, SIGNAL(timeout()), this,SLOT(paint()));
connect(g_timer, SIGNAL(timeout()), this, SLOT(checkPos()));
connect(g_timer, SIGNAL(timeout()), this, SLOT(checkVelocity()));
}
void moveEntities(float dt, const Map* map, const std::vector<Entity*>& entities, CollisionData& coldata) {
// Do not affect "non-physics" entities
std::vector<Entity*> physicsEntities;
for (size_t i=0; i<entities.size(); ++i) {
if (entities[i]->getBehavior()->getSlot<PhysicsBehaviorSlot>()) {
physicsEntities.push_back(entities[i]);
}
}
Vec2f newVel;
for (size_t i=0; i < physicsEntities.size(); ++i) {
PhysicsBehaviorSlot* phys = physicsEntities[i]->getBehavior()->getSlot<PhysicsBehaviorSlot>();
physicsEntities[i]->setNextWithCurrent();
newVel = physicsEntities[i]->getVel() + getAccel(physicsEntities[i]) * dt;
checkVelocity(newVel, phys);
physicsEntities[i]->setNextVel(newVel);
phys->inAir = true;
//the<VisDebug>().addSegment(physicsEntities[i]->getPos(),physicsEntities[i]->getPos() + physicsEntities[i]->getVel() * dt, Vec3f(1,0,1));
}
// Find collisions for all entities, and find out where they need to move (by setting next pos)
resolveCollisionsAndMove(dt,map,physicsEntities);
// Officially move the entities by making their next positions the current ones, this is needed to
// ensure that all entities collide against the same setup.
for (size_t i=0; i < physicsEntities.size(); ++i) {
physicsEntities[i]->setCurrentWithNext();
//the<VisDebug>().addSegment(physicsEntities[i]->getPos(),physicsEntities[i]->getPos() + physicsEntities[i]->getVel() * dt, Vec3f(0,0,0.5));
}
}
