//returning all data necessary to re-generate timer
// uint32 contextId
// double period
// double timeUntil timer expires
// bool isSuspended
// bool isCleared
// func cb
v8::Handle<v8::Value> JSTimerStruct::struct_getAllData()
{
v8::HandleScope handle_scope;
uint32 contId = jsContStruct->getContextID();
bool issusp = getIsSuspended();
bool isclear = getIsCleared();
double period = -1;
double tUntil = -1;
v8::Handle<v8::Function> cbFunc;
if (! isclear)
{
cbFunc = cb;
period = timeUntil.toSeconds();
if (issusp)
tUntil = timeUntil.toSeconds();
else
{
Duration pt = mDeadlineTimer->expiresFromNow();
tUntil = pt.seconds();
}
}
v8::Handle<v8::Object> returner = v8::Object::New();
if (isclear)
{
returner->Set(v8::String::New("isCleared"),v8::Boolean::New(isclear));
returner->Set(v8::String::New("contextId"), v8::Integer::NewFromUnsigned(contId));
return handle_scope.Close(returner);
}
returner->Set(v8::String::New("period"), v8::Number::New(period));
returner->Set(v8::String::New("callback"),cbFunc);
returner->Set(v8::String::New("timeRemaining"),v8::Number::New(tUntil));
returner->Set(v8::String::New("isSuspended"),v8::Boolean::New(issusp));
return handle_scope.Close(returner);
}
void Camera::tick(const Time& t, const Duration& dt) {
if (!haveGoal()) return;
Vector3d goalPos = getGoalPosition();
Quaternion goalOrient = getGoalOrientation();
Vector3d pos;
Quaternion orient;
if (mMode == FirstPerson) {
// In first person mode we are tied tightly to the position of
// the object.
pos = goalPos;
orient = goalOrient;
}
else {
// In third person mode, the target is offset so we'll be behind and
// above ourselves and we need to interpolate to the target.
// Offset the goal.
BoundingSphere3f following_bounds = getGoalBounds();
goalPos += Vector3d(following_bounds.center());
// > 1 factor gets us beyond the top of the object
goalPos += mOffset * (following_bounds.radius());
// Restore the current values from the scene node.
pos = fromOgre(mSceneNode->getPosition(), mScene->getOffset());
orient = fromOgre(mSceneNode->getOrientation());
// And interpolate.
Vector3d toGoal = goalPos-pos;
double toGoalLen = toGoal.length();
if (toGoalLen < 1e-06) {
pos = goalPos;
orient = goalOrient;
} else {
double step = exp(-dt.seconds()*2.f);
pos = goalPos - (toGoal/toGoalLen)*(toGoalLen*step);
orient = (goalOrient*(1.f-step) + orient*step).normal();
}
}
mSceneNode->setPosition(toOgre(pos, mScene->getOffset()));
mSceneNode->setOrientation(toOgre(orient));
}
