Method exportCamera

COLLADAMax/src/COLLADAMaxCameraExporter.cpp:122–244

---------------------------------------------------------------

	//---------------------------------------------------------------
	void CameraExporter::exportCamera( ExportNode* exportNode )
	{
		if ( !exportNode->getIsInVisualScene() )
			return;
		
		String cameraId = getCameraId(*exportNode);

		INode* iNode = exportNode->getINode();

		CameraObject* camera = (CameraObject*)iNode->GetObjectRef();

		INode* targetNode =  ( camera->ClassID().PartA() == LOOKAT_CAM_CLASS_ID) ? iNode->GetTarget() : 0;

		if ( camera )
		{
			if (  mDocumentExporter->isExportedObject(ObjectIdentifier(camera)) )
				return;

			mDocumentExporter->insertExportedObject(ObjectIdentifier(camera), exportNode);


			// Retrieve the camera parameters block
			IParamBlock* parameters = (IParamBlock*) camera->GetReference(MaxCamera::PBLOCK_REF);

			COLLADASW::BaseOptic * optics = 0; 
			if ( camera->IsOrtho() )
			{
				optics = new COLLADASW::OrthographicOptic(COLLADASW::LibraryCameras::mSW);

				// Calculate the target distance for FOV calculations
				float targetDistance;
				if ( targetNode )
				{
					Point3 targetTrans = targetNode->GetNodeTM(mDocumentExporter->getOptions().getAnimationStart()).GetTrans();
					Point3 cameraTrans = iNode->GetNodeTM(mDocumentExporter->getOptions().getAnimationStart()).GetTrans();
					targetDistance = (targetTrans - cameraTrans).Length();
				}
				else
				{
					targetDistance = camera->GetTDist(mDocumentExporter->getOptions().getAnimationStart());
				}
				ConversionInverseOrthoFOVFunctor conversionInverseOrthoFOVFunctor(targetDistance);

				if ( AnimationExporter::isAnimated(parameters, MaxCamera::FOV) )
				{
					optics->setXMag(conversionInverseOrthoFOVFunctor(parameters->GetFloat(MaxCamera::FOV)), XMAG_SID);
					mAnimationExporter->addAnimatedParameter(parameters, MaxCamera::FOV, cameraId, XMAG_SID, 0, true, &conversionInverseOrthoFOVFunctor);
				}
				else
				{
					optics->setXMag(conversionInverseOrthoFOVFunctor(parameters->GetFloat(MaxCamera::FOV)));	
				}
			}
			else
			{
				optics = new COLLADASW::PerspectiveOptic(COLLADASW::LibraryCameras::mSW);
				if ( AnimationExporter::isAnimated(parameters, MaxCamera::FOV) )
				{