void ExportCamera(Scene scene, GameObject go, ExportPlan exportPlan)
{
CameraSample sample = (CameraSample)exportPlan.sample;
Camera camera = go.GetComponent <Camera>();
sample.CopyFromCamera(camera);
scene.Write(exportPlan.path, sample);
}
public static void ExportCamera(ObjectContext objContext, ExportContext exportContext)
{
UnityEngine.Profiling.Profiler.BeginSample("USD: Camera Conversion");
CameraSample sample = (CameraSample)objContext.sample;
Camera camera = objContext.gameObject.GetComponent <Camera>();
var path = objContext.path;
var scene = exportContext.scene;
bool fastConvert = exportContext.basisTransform == BasisTransformation.FastWithNegativeScale;
// If doing a fast conversion, do not let the constructor do the change of basis for us.
sample.CopyFromCamera(camera, convertTransformToUsd: !fastConvert);
if (fastConvert)
{
// Partial change of basis.
var basisChange = Matrix4x4.identity;
// Invert the forward vector.
basisChange[2, 2] = -1;
// Full change of basis would be b*t*b-1, but here we're placing only a single inversion
// at the root of the hierarchy, so all we need to do is get the camera into the same
// space.
sample.transform = sample.transform * basisChange;
// Is this also a root path?
// If so the partial basis conversion must be completed on the camera itself.
if (path.LastIndexOf("/") == 0)
{
sample.transform = basisChange * sample.transform;
}
}
UnityEngine.Profiling.Profiler.EndSample();
UnityEngine.Profiling.Profiler.BeginSample("USD: Camera Write");
scene.Write(path, sample);
UnityEngine.Profiling.Profiler.EndSample();
}