// Get the animated parameters of a camera contained in the scene
// and store them in the associated member variables contained in
// the camera.
void Scene::getCameraAnimatedParameters(KFbxNode* pNode, KTime time)
{
KFbxCamera* lCamera = (KFbxCamera*) pNode->GetNodeAttribute();
lCamera->Position.Set(getGlobalPosition(pNode, time).GetT());
KFbxAnimCurve* fc = lCamera->Roll.GetCurve<KFbxAnimCurve>(currentAnimationLayer);
if (fc)
lCamera->Roll.Set(fc->Evaluate(time));
if (lCamera->GetApertureMode() == KFbxCamera::eHORIZONTAL ||
lCamera->GetApertureMode() == KFbxCamera::eVERTICAL)
{
fc = lCamera->FieldOfView.GetCurve<KFbxAnimCurve>(currentAnimationLayer);
if (fc)
lCamera->FieldOfView.Set(fc->Evaluate(time));
}
else if (lCamera->GetApertureMode() == KFbxCamera::eHORIZONTAL_AND_VERTICAL)
{
// In this aperture mode, the squeeze ratio is not relevant
// because the fields of view in X and Y are independent.
// It's value is set to retrieve the proper aspect in function SetCamera().
//
// if:
//
// aspect = field of view X / field of view Y = aperture width * squeeze ratio / aperture height
//
// then:
//
// squeeze ratio = (field of view X * aperture height) / (field of view Y * aperture width)
//
double lFieldOfViewX = lCamera->FieldOfViewX.Get();
double lFieldOfViewY = lCamera->FieldOfViewY.Get();
fc = lCamera->FieldOfViewX.GetCurve<KFbxAnimCurve>(currentAnimationLayer);
if (fc)
lFieldOfViewX = fc->Evaluate(time);
fc = lCamera->FieldOfViewY.GetCurve<KFbxAnimCurve>(currentAnimationLayer);
if (fc)
lFieldOfViewY = fc->Evaluate(time);
double lSqueezeRatio = (lFieldOfViewX * lCamera->GetApertureHeight()) / (lFieldOfViewY * lCamera->GetApertureWidth());
lCamera->FieldOfViewX.Set(lFieldOfViewX);
lCamera->FieldOfViewY.Set(lFieldOfViewY);
lCamera->SetSqueezeRatio(lSqueezeRatio);
}
else if (lCamera->GetApertureMode() == KFbxCamera::eFOCAL_LENGTH)
{
double lFocalLength = lCamera->FocalLength.Get();
fc = lCamera->FocalLength.GetCurve<KFbxAnimCurve>(currentAnimationLayer);
if (fc && fc ->Evaluate(time))
lCamera->FocalLength.Set(lFocalLength);
}
}
void GetCameraAnimatedParameters(KFbxNode* pNode, KTime& pTime)
{
KFbxCamera* lCamera = (KFbxCamera*) pNode->GetNodeAttribute();
lCamera->Position.Set(GetGlobalPosition(pNode, pTime).GetT());
KFbxAnimCurve* fc = lCamera->Roll.GetCurve<KFbxAnimCurve>(gCurrentAnimationLayer);
if (fc)
lCamera->Roll.Set(fc->Evaluate(pTime));
if (lCamera->GetApertureMode() == KFbxCamera::eHORIZONTAL ||
lCamera->GetApertureMode() == KFbxCamera::eVERTICAL)
{
fc = lCamera->FieldOfView.GetCurve<KFbxAnimCurve>(gCurrentAnimationLayer);
if (fc)
lCamera->FieldOfView.Set(fc->Evaluate(pTime));
}
else if (lCamera->GetApertureMode() == KFbxCamera::eHORIZONTAL_AND_VERTICAL)
{
double lFieldOfViewX = lCamera->FieldOfViewX.Get();
double lFieldOfViewY = lCamera->FieldOfViewY.Get();
fc = lCamera->FieldOfViewX.GetCurve<KFbxAnimCurve>(gCurrentAnimationLayer);
if (fc)
lFieldOfViewX = fc->Evaluate(pTime);
fc = lCamera->FieldOfViewY.GetCurve<KFbxAnimCurve>(gCurrentAnimationLayer);
if (fc)
lFieldOfViewY = fc->Evaluate(pTime);
double lSqueezeRatio = (lFieldOfViewX * lCamera->GetApertureHeight()) / (lFieldOfViewY * lCamera->GetApertureWidth());
lCamera->FieldOfViewX.Set(lFieldOfViewX);
lCamera->FieldOfViewY.Set(lFieldOfViewY);
lCamera->SetSqueezeRatio(lSqueezeRatio);
}
else if (lCamera->GetApertureMode() == KFbxCamera::eFOCAL_LENGTH)
{
double lFocalLength = lCamera->FocalLength.Get();
fc = lCamera->FocalLength.GetCurve<KFbxAnimCurve>(gCurrentAnimationLayer);
if (fc && fc ->Evaluate(pTime))
lCamera->FocalLength.Set(lFocalLength);
}
}
