Method fromCamera

SIBR_viewers/src/core/view/InteractiveCameraHandler.cpp:150–190

	}

	void InteractiveCameraHandler::fromCamera(const sibr::InputCamera & cam, bool interpolate, bool updateResolution) {
		_isSetup = true;

		sibr::InputCamera idealCam(cam);
		if (updateResolution) {
			// Viewport might have not been set, in this case defer the full camera update 
			// until after the viewport has been updated, ie in onUpdate().
			if (_viewport.isEmpty()) {
				_triggerCameraUpdate = true;
			}
			else {
				const float w = _viewport.finalWidth();
				const float h = _viewport.finalHeight();
				idealCam.size(uint(w), uint(h));
				idealCam.aspect(w / h);
			}
		}

		_orbit.fromCamera(idealCam, _raycaster);
		_fpsCamera.fromCamera(idealCam);


		if (_raycaster != nullptr) {
			sibr::RayHit hit = _raycaster->intersect(sibr::Ray(idealCam.position(), idealCam.dir()));
			// If hit at the proxy surface, save the distance between the camera and the mesh, to use as a trackball radius.
			if (hit.hitSomething()) {
				_radius = hit.dist();
			}
		}
		_trackball.fromCamera(idealCam, _viewport, _radius);

		_currentCamera = idealCam;
		_cameraFovDeg = _currentCamera.fovy() * 180.0f / float(M_PI);

		if (!interpolate) {
			_previousCamera = _currentCamera;
		}

		_clippingPlanes[0] = _currentCamera.znear();
		_clippingPlanes[1] = _currentCamera.zfar();
	}

	void InteractiveCameraHandler::fromTransform(const Transform3f & transform, bool interpolate, bool updateResolution)
	{