bool
DX11ResourceManager::translateCamera( const MDagPath &cameraPath )
//
// Description:
// Translate Maya's camera
//
{
bool translatedCamera = false;
if (cameraPath.isValid())
{
MStatus status;
MFnCamera camera (cameraPath, &status);
if ( !status ) {
status.perror("MFnCamera constructor");
}
else
{
translatedCamera = true;
MPoint eyePoint = camera.eyePoint( MSpace::kWorld );
MPoint lookAtPt = camera.centerOfInterestPoint( MSpace::kWorld );
MVector upDirection = camera.upDirection ( MSpace::kWorld );
MFloatMatrix projMatrix = camera.projectionMatrix();
double horizontalFieldOfView = MAngle( /* camera.verticalFieldOfView() / */ camera.horizontalFieldOfView()
).asDegrees();
double nearClippingPlane = camera.nearClippingPlane();
double farClippingPlane = camera.farClippingPlane();
// Convert API values to internal native storage.
//
m_camera.m_vEyePt = XMFLOAT3((float)eyePoint.x, (float)eyePoint.y, (float)eyePoint.z);
m_camera.m_vLookatPt = XMFLOAT3((float)lookAtPt.x, (float)lookAtPt.y, (float)lookAtPt.z);
m_camera.m_vUpVec = XMFLOAT3((float)upDirection.x, (float)upDirection.y, (float)upDirection.z);
m_camera.m_FieldOfView = (float)horizontalFieldOfView;
m_camera.m_nearClip = (float)nearClippingPlane;
m_camera.m_farClip = (float)farClippingPlane;
m_camera.m_isOrtho = camera.isOrtho();
}
}
else
{
initializeDefaultCamera();
}
return translatedCamera;
}
