void Camera::update_following(double dt) {
ActorPtr following_actor = following_actor_.lock();
if(following_actor) {
kmQuaternion actor_rotation = following_actor->absolute_rotation();
kmVec3 actor_position = following_actor->absolute_position();
kmVec3 actor_forward;
kmQuaternionGetForwardVec3RH(&actor_forward, &actor_rotation);
kmQuaternion initial_rotation;
kmQuaternionAssign(&initial_rotation, &rotation_);
float t = ((following_lag_ == 0) ? 1.0 : dt * (1.0 / following_lag_));
kmQuaternionSlerp(&rotation_, &initial_rotation, &actor_rotation, t);
kmVec3 rotated_offset;
kmQuaternionMultiplyVec3(&rotated_offset, &rotation_, &following_offset_);
//kmMat4RotationQuaternion(&new_rotation_matrix, &rotation_);
//kmVec3MultiplyMat4(&rotated_offset, &following_offset_, &new_rotation_matrix);
kmVec3Add(&position_, &rotated_offset, &actor_position);
update_from_parent();
} else {
//The actor was destroyed, so reset
following_actor_ = ActorRef();
}
}
ActorRef IActor::Find(ActorSelector const& selector) const
{
if (selector(m_self.lock()))
{
return m_self;
}
for (auto&& child : m_children)
{
ActorRef&& find = child->Find(selector);
if (!find.expired())
{
return find;
}
}
return ActorRef();
}
ActorRef TcpClient::create(const char* host, uint16_t port) {
return ActorRef(new TcpClient(host, port));
}
ActorRef Splitter::create(ActorRef input) {
return ActorRef(new Splitter(input));
}
ActorRef LineFramer::create(ActorRef link) {
return ActorRef(new LineFramer(link));
}
//_____________________________________________________________
//
ActorRef TcpServer::create(ActorRef wifi, uint16_t port) {
return ActorRef(new TcpServer(wifi, port));
}
ActorRef Tcp::create() {
return ActorRef(new Tcp());
}